/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 15:13:47,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 15:13:47,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 15:13:47,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 15:13:47,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 15:13:47,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 15:13:47,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 15:13:47,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 15:13:47,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 15:13:47,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 15:13:47,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 15:13:47,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 15:13:47,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 15:13:47,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 15:13:47,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 15:13:47,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 15:13:47,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 15:13:47,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 15:13:47,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 15:13:47,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 15:13:47,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 15:13:47,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 15:13:47,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 15:13:47,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 15:13:47,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 15:13:47,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 15:13:47,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 15:13:47,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 15:13:47,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 15:13:47,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 15:13:47,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 15:13:47,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 15:13:47,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 15:13:47,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 15:13:47,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 15:13:47,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 15:13:47,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 15:13:47,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 15:13:47,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 15:13:47,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 15:13:47,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 15:13:47,697 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 [2020-08-18 15:13:47,740 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 15:13:47,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 15:13:47,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 15:13:47,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 15:13:47,743 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 15:13:47,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 15:13:47,744 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 15:13:47,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 15:13:47,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 15:13:47,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 15:13:47,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 15:13:47,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 15:13:47,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 15:13:47,747 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 15:13:47,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 15:13:47,747 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 15:13:47,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 15:13:47,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 15:13:47,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 15:13:47,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 15:13:47,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 15:13:47,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 15:13:47,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 15:13:47,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 15:13:47,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 15:13:47,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 15:13:47,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 15:13:47,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 15:13:47,750 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 15:13:47,750 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 -> false [2020-08-18 15:13:48,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 15:13:48,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 15:13:48,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 15:13:48,074 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 15:13:48,074 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 15:13:48,075 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2020-08-18 15:13:48,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/361fe7e83/522e5f8266aa4538b04132b3ba865dc4/FLAG114d0f030 [2020-08-18 15:13:48,711 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 15:13:48,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2020-08-18 15:13:48,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/361fe7e83/522e5f8266aa4538b04132b3ba865dc4/FLAG114d0f030 [2020-08-18 15:13:48,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/361fe7e83/522e5f8266aa4538b04132b3ba865dc4 [2020-08-18 15:13:48,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 15:13:48,985 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 15:13:48,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 15:13:48,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 15:13:48,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 15:13:48,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:13:48" (1/1) ... [2020-08-18 15:13:48,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76127e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:48, skipping insertion in model container [2020-08-18 15:13:48,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:13:48" (1/1) ... [2020-08-18 15:13:49,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 15:13:49,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 15:13:49,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:13:49,467 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 15:13:49,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:13:49,642 INFO L208 MainTranslator]: Completed translation [2020-08-18 15:13:49,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:49 WrapperNode [2020-08-18 15:13:49,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 15:13:49,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 15:13:49,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 15:13:49,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 15:13:49,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:49" (1/1) ... [2020-08-18 15:13:49,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:49" (1/1) ... [2020-08-18 15:13:49,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:49" (1/1) ... [2020-08-18 15:13:49,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:49" (1/1) ... [2020-08-18 15:13:49,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:49" (1/1) ... [2020-08-18 15:13:49,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:49" (1/1) ... [2020-08-18 15:13:49,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:49" (1/1) ... [2020-08-18 15:13:49,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 15:13:49,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 15:13:49,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 15:13:49,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 15:13:49,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:49" (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 [2020-08-18 15:13:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 15:13:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 15:13:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 15:13:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 15:13:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 15:13:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 15:13:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 15:13:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 15:13:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 15:13:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 15:13:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 15:13:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 15:13:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 15:13:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 15:13:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 15:13:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 15:13:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 15:13:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 15:13:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 15:13:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 15:13:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 15:13:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 15:13:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 15:13:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 15:13:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 15:13:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 15:13:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 15:13:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 15:13:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 15:13:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 15:13:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 15:13:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 15:13:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 15:13:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 15:13:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 15:13:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 15:13:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 15:13:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 15:13:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 15:13:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 15:13:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 15:13:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 15:13:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 15:13:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 15:13:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 15:13:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 15:13:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 15:13:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 15:13:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 15:13:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 15:13:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 15:13:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 15:13:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 15:13:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 15:13:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 15:13:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 15:13:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 15:13:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 15:13:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 15:13:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 15:13:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 15:13:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 15:13:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 15:13:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 15:13:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 15:13:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 15:13:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 15:13:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 15:13:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 15:13:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 15:13:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 15:13:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 15:13:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 15:13:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 15:13:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 15:13:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 15:13:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 15:13:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 15:13:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 15:13:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 15:13:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 15:13:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 15:13:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 15:13:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 15:13:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 15:13:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 15:13:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 15:13:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 15:13:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 15:13:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 15:13:51,011 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 15:13:51,012 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 15:13:51,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:13:51 BoogieIcfgContainer [2020-08-18 15:13:51,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 15:13:51,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 15:13:51,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 15:13:51,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 15:13:51,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 03:13:48" (1/3) ... [2020-08-18 15:13:51,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e51b992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:13:51, skipping insertion in model container [2020-08-18 15:13:51,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:49" (2/3) ... [2020-08-18 15:13:51,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e51b992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:13:51, skipping insertion in model container [2020-08-18 15:13:51,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:13:51" (3/3) ... [2020-08-18 15:13:51,026 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2020-08-18 15:13:51,037 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 15:13:51,046 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 15:13:51,061 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 15:13:51,087 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 15:13:51,088 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 15:13:51,088 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 15:13:51,088 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 15:13:51,089 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 15:13:51,089 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 15:13:51,089 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 15:13:51,089 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 15:13:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-08-18 15:13:51,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 15:13:51,122 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:13:51,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:13:51,124 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:13:51,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:13:51,131 INFO L82 PathProgramCache]: Analyzing trace with hash 841763169, now seen corresponding path program 1 times [2020-08-18 15:13:51,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:13:51,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1170981756] [2020-08-18 15:13:51,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:13:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:51,753 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:51,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:13:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:51,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:13:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:51,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:13:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:51,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:13:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:51,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:13:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:51,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 15:13:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:51,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 15:13:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:13:51,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1170981756] [2020-08-18 15:13:51,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:13:51,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 15:13:51,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846846855] [2020-08-18 15:13:51,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 15:13:51,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:13:51,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 15:13:51,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 15:13:51,933 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 3 states. [2020-08-18 15:13:52,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:13:52,998 INFO L93 Difference]: Finished difference Result 260 states and 346 transitions. [2020-08-18 15:13:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 15:13:53,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 15:13:53,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:13:53,019 INFO L225 Difference]: With dead ends: 260 [2020-08-18 15:13:53,020 INFO L226 Difference]: Without dead ends: 142 [2020-08-18 15:13:53,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 15:13:53,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-08-18 15:13:53,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 109. [2020-08-18 15:13:53,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-08-18 15:13:53,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2020-08-18 15:13:53,136 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 46 [2020-08-18 15:13:53,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:13:53,138 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2020-08-18 15:13:53,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 15:13:53,138 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2020-08-18 15:13:53,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 15:13:53,145 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:13:53,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:13:53,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 15:13:53,146 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:13:53,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:13:53,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1716807413, now seen corresponding path program 1 times [2020-08-18 15:13:53,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:13:53,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141730991] [2020-08-18 15:13:53,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:13:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:53,540 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:53,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:13:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:53,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:13:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:53,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:13:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:53,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:13:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:53,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:13:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:53,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 15:13:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:53,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 15:13:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:53,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:13:53,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1141730991] [2020-08-18 15:13:53,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:13:53,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 15:13:53,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824311892] [2020-08-18 15:13:53,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 15:13:53,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:13:53,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 15:13:53,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 15:13:53,584 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 4 states. [2020-08-18 15:13:54,029 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:13:54,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:13:54,718 INFO L93 Difference]: Finished difference Result 183 states and 225 transitions. [2020-08-18 15:13:54,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 15:13:54,719 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 15:13:54,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:13:54,722 INFO L225 Difference]: With dead ends: 183 [2020-08-18 15:13:54,723 INFO L226 Difference]: Without dead ends: 126 [2020-08-18 15:13:54,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 15:13:54,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-08-18 15:13:54,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 100. [2020-08-18 15:13:54,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-18 15:13:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2020-08-18 15:13:54,762 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 47 [2020-08-18 15:13:54,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:13:54,763 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2020-08-18 15:13:54,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 15:13:54,763 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2020-08-18 15:13:54,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 15:13:54,765 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:13:54,765 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] [2020-08-18 15:13:54,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 15:13:54,766 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:13:54,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:13:54,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1646650364, now seen corresponding path program 1 times [2020-08-18 15:13:54,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:13:54,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067928220] [2020-08-18 15:13:54,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:13:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:55,117 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:55,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:13:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:55,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:13:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:55,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:13:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:55,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:13:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:55,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:13:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:55,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 15:13:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:55,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 15:13:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:55,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:13:55,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067928220] [2020-08-18 15:13:55,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:13:55,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 15:13:55,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458165656] [2020-08-18 15:13:55,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 15:13:55,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:13:55,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 15:13:55,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 15:13:55,210 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 8 states. [2020-08-18 15:13:55,591 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:13:55,931 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:13:56,193 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:13:56,435 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:13:57,160 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:13:58,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:13:58,507 INFO L93 Difference]: Finished difference Result 351 states and 439 transitions. [2020-08-18 15:13:58,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 15:13:58,507 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 15:13:58,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:13:58,512 INFO L225 Difference]: With dead ends: 351 [2020-08-18 15:13:58,512 INFO L226 Difference]: Without dead ends: 275 [2020-08-18 15:13:58,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 15:13:58,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-08-18 15:13:58,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 214. [2020-08-18 15:13:58,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-08-18 15:13:58,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 260 transitions. [2020-08-18 15:13:58,578 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 260 transitions. Word has length 52 [2020-08-18 15:13:58,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:13:58,579 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 260 transitions. [2020-08-18 15:13:58,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 15:13:58,579 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 260 transitions. [2020-08-18 15:13:58,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 15:13:58,581 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:13:58,581 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:13:58,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 15:13:58,582 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:13:58,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:13:58,582 INFO L82 PathProgramCache]: Analyzing trace with hash 385460171, now seen corresponding path program 1 times [2020-08-18 15:13:58,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:13:58,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1668991543] [2020-08-18 15:13:58,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:13:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,882 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:58,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:13:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:13:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:13:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:13:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:13:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 15:13:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 15:13:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 15:13:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:13:58,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1668991543] [2020-08-18 15:13:58,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:13:59,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 15:13:59,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957001119] [2020-08-18 15:13:59,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 15:13:59,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:13:59,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 15:13:59,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 15:13:59,001 INFO L87 Difference]: Start difference. First operand 214 states and 260 transitions. Second operand 8 states. [2020-08-18 15:13:59,369 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:14:00,349 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:00,686 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:14:00,925 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:01,180 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:01,557 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:14:02,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:14:02,261 INFO L93 Difference]: Finished difference Result 695 states and 919 transitions. [2020-08-18 15:14:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 15:14:02,262 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-18 15:14:02,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:14:02,267 INFO L225 Difference]: With dead ends: 695 [2020-08-18 15:14:02,268 INFO L226 Difference]: Without dead ends: 505 [2020-08-18 15:14:02,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 15:14:02,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-08-18 15:14:02,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 383. [2020-08-18 15:14:02,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-08-18 15:14:02,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 470 transitions. [2020-08-18 15:14:02,370 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 470 transitions. Word has length 57 [2020-08-18 15:14:02,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:14:02,371 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 470 transitions. [2020-08-18 15:14:02,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 15:14:02,371 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 470 transitions. [2020-08-18 15:14:02,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 15:14:02,374 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:14:02,374 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] [2020-08-18 15:14:02,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 15:14:02,374 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:14:02,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:14:02,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1496116017, now seen corresponding path program 1 times [2020-08-18 15:14:02,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:14:02,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [87160123] [2020-08-18 15:14:02,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:14:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,691 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:14:02,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:14:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:14:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:14:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:14:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:14:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 15:14:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 15:14:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 15:14:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 15:14:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:14:02,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [87160123] [2020-08-18 15:14:02,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:14:02,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 15:14:02,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725155186] [2020-08-18 15:14:02,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 15:14:02,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:14:02,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 15:14:02,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 15:14:02,786 INFO L87 Difference]: Start difference. First operand 383 states and 470 transitions. Second operand 9 states. [2020-08-18 15:14:03,231 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:14:04,097 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:04,385 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:04,619 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:05,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:14:05,006 INFO L93 Difference]: Finished difference Result 765 states and 1021 transitions. [2020-08-18 15:14:05,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 15:14:05,007 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-18 15:14:05,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:14:05,008 INFO L225 Difference]: With dead ends: 765 [2020-08-18 15:14:05,008 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 15:14:05,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-18 15:14:05,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 15:14:05,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 15:14:05,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 15:14:05,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 15:14:05,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-18 15:14:05,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:14:05,013 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 15:14:05,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 15:14:05,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 15:14:05,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 15:14:05,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 15:14:05,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 15:14:08,376 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 15:14:08,546 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:09,041 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-18 15:14:09,217 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 15:14:09,426 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:09,627 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 15:14:09,904 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-08-18 15:14:10,098 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:14:10,436 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 15:14:10,608 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 15:14:10,897 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 15:14:11,221 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 15:14:11,387 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 15:14:11,555 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 15:14:11,886 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 15:14:12,039 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:12,190 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 15:14:12,365 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:12,542 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 15:14:12,838 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 15:14:13,000 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:13,182 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:13,350 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 15:14:13,655 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 15:14:13,659 INFO L268 CegarLoopResult]: For program point L383(lines 383 387) no Hoare annotation was computed. [2020-08-18 15:14:13,660 INFO L268 CegarLoopResult]: For program point L383-1(lines 383 387) no Hoare annotation was computed. [2020-08-18 15:14:13,660 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-08-18 15:14:13,660 INFO L268 CegarLoopResult]: For program point L377-2(lines 377 398) no Hoare annotation was computed. [2020-08-18 15:14:13,660 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 352 407) no Hoare annotation was computed. [2020-08-18 15:14:13,660 INFO L268 CegarLoopResult]: For program point L399(lines 376 400) no Hoare annotation was computed. [2020-08-18 15:14:13,660 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 352 407) no Hoare annotation was computed. [2020-08-18 15:14:13,661 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 352 407) no Hoare annotation was computed. [2020-08-18 15:14:13,661 INFO L268 CegarLoopResult]: For program point L440(lines 440 444) no Hoare annotation was computed. [2020-08-18 15:14:13,661 INFO L268 CegarLoopResult]: For program point L440-1(lines 440 444) no Hoare annotation was computed. [2020-08-18 15:14:13,661 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 408 467) no Hoare annotation was computed. [2020-08-18 15:14:13,661 INFO L268 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-08-18 15:14:13,661 INFO L268 CegarLoopResult]: For program point L434-2(lines 434 459) no Hoare annotation was computed. [2020-08-18 15:14:13,662 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 408 467) no Hoare annotation was computed. [2020-08-18 15:14:13,662 INFO L268 CegarLoopResult]: For program point L460(lines 433 461) no Hoare annotation was computed. [2020-08-18 15:14:13,662 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 408 467) no Hoare annotation was computed. [2020-08-18 15:14:13,662 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-08-18 15:14:13,662 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-08-18 15:14:13,663 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 175 181) the Hoare annotation is: true [2020-08-18 15:14:13,663 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 175 181) no Hoare annotation was computed. [2020-08-18 15:14:13,663 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 182 190) no Hoare annotation was computed. [2020-08-18 15:14:13,663 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 182 190) the Hoare annotation is: true [2020-08-18 15:14:13,663 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 182 190) no Hoare annotation was computed. [2020-08-18 15:14:13,663 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 267 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:13,664 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 267 289) no Hoare annotation was computed. [2020-08-18 15:14:13,664 INFO L264 CegarLoopResult]: At program point L279(line 279) 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~1 ~systemActive~0))) [2020-08-18 15:14:13,664 INFO L264 CegarLoopResult]: At program point L279-1(line 279) 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~1 ~systemActive~0))) [2020-08-18 15:14:13,664 INFO L268 CegarLoopResult]: For program point L277(lines 277 284) no Hoare annotation was computed. [2020-08-18 15:14:13,664 INFO L268 CegarLoopResult]: For program point L277-1(lines 277 284) no Hoare annotation was computed. [2020-08-18 15:14:13,664 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-18 15:14:13,665 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:13,665 INFO L264 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:13,665 INFO L264 CegarLoopResult]: At program point L273-1(line 273) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:13,665 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 267 289) no Hoare annotation was computed. [2020-08-18 15:14:13,665 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2020-08-18 15:14:13,665 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2020-08-18 15:14:13,666 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2020-08-18 15:14:13,666 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-08-18 15:14:13,666 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-08-18 15:14:13,666 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-08-18 15:14:13,666 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-08-18 15:14:13,666 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-08-18 15:14:13,666 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-08-18 15:14:13,666 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-08-18 15:14:13,667 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-08-18 15:14:13,667 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-08-18 15:14:13,667 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-08-18 15:14:13,667 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-08-18 15:14:13,667 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-08-18 15:14:13,667 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-08-18 15:14:13,667 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-08-18 15:14:13,667 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 697 703) no Hoare annotation was computed. [2020-08-18 15:14:13,667 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 697 703) the Hoare annotation is: true [2020-08-18 15:14:13,668 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 819 833) no Hoare annotation was computed. [2020-08-18 15:14:13,668 INFO L264 CegarLoopResult]: At program point L825(line 825) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 15:14:13,668 INFO L268 CegarLoopResult]: For program point L823(lines 823 829) no Hoare annotation was computed. [2020-08-18 15:14:13,668 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 819 833) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 15:14:13,668 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 819 833) no Hoare annotation was computed. [2020-08-18 15:14:13,668 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 730 737) no Hoare annotation was computed. [2020-08-18 15:14:13,668 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 730 737) no Hoare annotation was computed. [2020-08-18 15:14:13,668 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 730 737) no Hoare annotation was computed. [2020-08-18 15:14:13,668 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2020-08-18 15:14:13,668 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2020-08-18 15:14:13,668 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2020-08-18 15:14:13,669 INFO L268 CegarLoopResult]: For program point L802-2(lines 802 810) no Hoare annotation was computed. [2020-08-18 15:14:13,669 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-08-18 15:14:13,669 INFO L268 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2020-08-18 15:14:13,669 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 783 818) no Hoare annotation was computed. [2020-08-18 15:14:13,669 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-08-18 15:14:13,669 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-08-18 15:14:13,669 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 783 818) no Hoare annotation was computed. [2020-08-18 15:14:13,669 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 783 818) no Hoare annotation was computed. [2020-08-18 15:14:13,669 INFO L268 CegarLoopResult]: For program point L802(lines 802 810) no Hoare annotation was computed. [2020-08-18 15:14:13,669 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 168 174) no Hoare annotation was computed. [2020-08-18 15:14:13,669 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 168 174) the Hoare annotation is: true [2020-08-18 15:14:13,669 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 306 351) no Hoare annotation was computed. [2020-08-18 15:14:13,669 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 306 351) no Hoare annotation was computed. [2020-08-18 15:14:13,670 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 306 351) no Hoare annotation was computed. [2020-08-18 15:14:13,670 INFO L268 CegarLoopResult]: For program point L639(lines 639 646) no Hoare annotation was computed. [2020-08-18 15:14:13,670 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 619 664) no Hoare annotation was computed. [2020-08-18 15:14:13,670 INFO L268 CegarLoopResult]: For program point L633(lines 633 653) no Hoare annotation was computed. [2020-08-18 15:14:13,670 INFO L268 CegarLoopResult]: For program point L633-1(lines 633 653) no Hoare annotation was computed. [2020-08-18 15:14:13,670 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 619 664) no Hoare annotation was computed. [2020-08-18 15:14:13,670 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 619 664) no Hoare annotation was computed. [2020-08-18 15:14:13,670 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 257 266) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:13,670 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 257 266) no Hoare annotation was computed. [2020-08-18 15:14:13,670 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 257 266) no Hoare annotation was computed. [2020-08-18 15:14:13,670 INFO L271 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: true [2020-08-18 15:14:13,671 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 763 773) the Hoare annotation is: true [2020-08-18 15:14:13,671 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-08-18 15:14:13,671 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2020-08-18 15:14:13,671 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2020-08-18 15:14:13,671 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 755 762) the Hoare annotation is: true [2020-08-18 15:14:13,671 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2020-08-18 15:14:13,671 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2020-08-18 15:14:13,671 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 705 729) no Hoare annotation was computed. [2020-08-18 15:14:13,671 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:13,671 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 705 729) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:13,672 INFO L268 CegarLoopResult]: For program point L724-1(lines 705 729) no Hoare annotation was computed. [2020-08-18 15:14:13,672 INFO L264 CegarLoopResult]: At program point L719(line 719) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:13,672 INFO L264 CegarLoopResult]: At program point L715(line 715) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:13,672 INFO L268 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2020-08-18 15:14:13,672 INFO L264 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:13,672 INFO L268 CegarLoopResult]: For program point L711-1(line 711) no Hoare annotation was computed. [2020-08-18 15:14:13,672 INFO L268 CegarLoopResult]: For program point L709(lines 709 726) no Hoare annotation was computed. [2020-08-18 15:14:13,673 INFO L264 CegarLoopResult]: At program point L865(line 865) 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))) [2020-08-18 15:14:13,673 INFO L264 CegarLoopResult]: At program point testENTRY(lines 843 910) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:13,673 INFO L268 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2020-08-18 15:14:13,673 INFO L268 CegarLoopResult]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2020-08-18 15:14:13,673 INFO L268 CegarLoopResult]: For program point L855(lines 855 859) no Hoare annotation was computed. [2020-08-18 15:14:13,673 INFO L268 CegarLoopResult]: For program point testFINAL(lines 843 910) no Hoare annotation was computed. [2020-08-18 15:14:13,674 INFO L264 CegarLoopResult]: At program point L903(lines 852 904) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:13,674 INFO L264 CegarLoopResult]: At program point L893(line 893) 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))) [2020-08-18 15:14:13,674 INFO L268 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2020-08-18 15:14:13,674 INFO L264 CegarLoopResult]: At program point L891-1(lines 883 898) 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))) [2020-08-18 15:14:13,674 INFO L268 CegarLoopResult]: For program point L854(lines 853 902) no Hoare annotation was computed. [2020-08-18 15:14:13,674 INFO L264 CegarLoopResult]: At program point L885(line 885) 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))) [2020-08-18 15:14:13,674 INFO L268 CegarLoopResult]: For program point L883(lines 883 898) no Hoare annotation was computed. [2020-08-18 15:14:13,674 INFO L264 CegarLoopResult]: At program point L875(line 875) 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))) [2020-08-18 15:14:13,674 INFO L268 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-08-18 15:14:13,674 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2020-08-18 15:14:13,675 INFO L264 CegarLoopResult]: At program point L900(lines 853 902) 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))) [2020-08-18 15:14:13,675 INFO L268 CegarLoopResult]: For program point testEXIT(lines 843 910) no Hoare annotation was computed. [2020-08-18 15:14:13,675 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 573 618) no Hoare annotation was computed. [2020-08-18 15:14:13,675 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 573 618) no Hoare annotation was computed. [2020-08-18 15:14:13,675 INFO L268 CegarLoopResult]: For program point L593(lines 593 600) no Hoare annotation was computed. [2020-08-18 15:14:13,675 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 573 618) no Hoare annotation was computed. [2020-08-18 15:14:13,675 INFO L268 CegarLoopResult]: For program point L587(lines 587 607) no Hoare annotation was computed. [2020-08-18 15:14:13,675 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 607) no Hoare annotation was computed. [2020-08-18 15:14:13,675 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-18 15:14:13,675 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-18 15:14:13,675 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-18 15:14:13,675 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-18 15:14:13,676 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-18 15:14:13,676 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 158 167) no Hoare annotation was computed. [2020-08-18 15:14:13,676 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 158 167) no Hoare annotation was computed. [2020-08-18 15:14:13,676 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 158 167) no Hoare annotation was computed. [2020-08-18 15:14:13,676 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 470 572) no Hoare annotation was computed. [2020-08-18 15:14:13,676 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-18 15:14:13,676 INFO L268 CegarLoopResult]: For program point L535-1(line 535) no Hoare annotation was computed. [2020-08-18 15:14:13,676 INFO L268 CegarLoopResult]: For program point L494(lines 494 498) no Hoare annotation was computed. [2020-08-18 15:14:13,676 INFO L268 CegarLoopResult]: For program point L558(lines 558 569) no Hoare annotation was computed. [2020-08-18 15:14:13,676 INFO L268 CegarLoopResult]: For program point L521(lines 521 525) no Hoare annotation was computed. [2020-08-18 15:14:13,676 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 470 572) no Hoare annotation was computed. [2020-08-18 15:14:13,676 INFO L268 CegarLoopResult]: For program point L519-2(lines 519 539) no Hoare annotation was computed. [2020-08-18 15:14:13,676 INFO L268 CegarLoopResult]: For program point L540(lines 518 541) no Hoare annotation was computed. [2020-08-18 15:14:13,677 INFO L268 CegarLoopResult]: For program point L499(lines 499 515) no Hoare annotation was computed. [2020-08-18 15:14:13,677 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 470 572) no Hoare annotation was computed. [2020-08-18 15:14:13,677 INFO L268 CegarLoopResult]: For program point L559(lines 559 566) no Hoare annotation was computed. [2020-08-18 15:14:13,677 INFO L268 CegarLoopResult]: For program point L520(lines 519 539) no Hoare annotation was computed. [2020-08-18 15:14:13,677 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-18 15:14:13,677 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-08-18 15:14:13,677 INFO L268 CegarLoopResult]: For program point L516(lines 516 557) no Hoare annotation was computed. [2020-08-18 15:14:13,677 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:14:13,677 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#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)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-18 15:14:13,677 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:14:13,678 INFO L268 CegarLoopResult]: For program point L749(line 749) no Hoare annotation was computed. [2020-08-18 15:14:13,678 INFO L268 CegarLoopResult]: For program point L749-1(lines 738 754) no Hoare annotation was computed. [2020-08-18 15:14:13,678 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 738 754) no Hoare annotation was computed. [2020-08-18 15:14:13,678 INFO L268 CegarLoopResult]: For program point L745(lines 745 751) no Hoare annotation was computed. [2020-08-18 15:14:13,678 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 738 754) no Hoare annotation was computed. [2020-08-18 15:14:13,678 INFO L268 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-08-18 15:14:13,678 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-08-18 15:14:13,678 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-08-18 15:14:13,678 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-18 15:14:13,678 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-18 15:14:13,679 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 15:14:13,679 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-18 15:14:13,679 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-18 15:14:13,679 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:14:13,679 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 15:14:13,679 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:14:13,679 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-18 15:14:13,679 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-18 15:14:13,679 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-18 15:14:13,679 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 673 696) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:13,679 INFO L264 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:13,679 INFO L264 CegarLoopResult]: At program point L684(lines 684 690) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:13,680 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 673 696) no Hoare annotation was computed. [2020-08-18 15:14:13,680 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 15:14:13,680 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 673 696) no Hoare annotation was computed. [2020-08-18 15:14:13,680 INFO L268 CegarLoopResult]: For program point L677(lines 676 695) no Hoare annotation was computed. [2020-08-18 15:14:13,680 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2020-08-18 15:14:13,680 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2020-08-18 15:14:13,680 INFO L271 CegarLoopResult]: At program point L219(lines 194 223) the Hoare annotation is: true [2020-08-18 15:14:13,680 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-08-18 15:14:13,680 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-08-18 15:14:13,680 INFO L271 CegarLoopResult]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2020-08-18 15:14:13,681 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-08-18 15:14:13,681 INFO L271 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2020-08-18 15:14:13,681 INFO L271 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: true [2020-08-18 15:14:13,681 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-08-18 15:14:13,681 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-18 15:14:13,681 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-18 15:14:13,681 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-18 15:14:13,681 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2020-08-18 15:14:13,682 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2020-08-18 15:14:13,682 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:14:13,682 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 15:14:13,682 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 15:14:13,682 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:14:13,682 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 834 841) no Hoare annotation was computed. [2020-08-18 15:14:13,682 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 834 841) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-18 15:14:13,683 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 834 841) no Hoare annotation was computed. [2020-08-18 15:14:13,683 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-18 15:14:13,683 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-18 15:14:13,683 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 15:14:13,683 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 291 298) no Hoare annotation was computed. [2020-08-18 15:14:13,683 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-08-18 15:14:13,683 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 291 298) the Hoare annotation is: true [2020-08-18 15:14:13,684 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 291 298) no Hoare annotation was computed. [2020-08-18 15:14:13,684 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2020-08-18 15:14:13,684 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2020-08-18 15:14:13,684 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 15:14:13,684 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-08-18 15:14:13,684 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 15:14:13,684 INFO L268 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-08-18 15:14:13,684 INFO L268 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2020-08-18 15:14:13,685 INFO L268 CegarLoopResult]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2020-08-18 15:14:13,685 INFO L271 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: true [2020-08-18 15:14:13,685 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-08-18 15:14:13,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 03:14:13 BoogieIcfgContainer [2020-08-18 15:14:13,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 15:14:13,714 INFO L168 Benchmark]: Toolchain (without parser) took 24728.55 ms. Allocated memory was 143.1 MB in the beginning and 618.7 MB in the end (delta: 475.5 MB). Free memory was 103.8 MB in the beginning and 391.8 MB in the end (delta: -288.0 MB). Peak memory consumption was 489.1 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:13,716 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 123.4 MB in the beginning and 123.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-18 15:14:13,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.04 ms. Allocated memory was 143.1 MB in the beginning and 205.5 MB in the end (delta: 62.4 MB). Free memory was 103.8 MB in the beginning and 172.3 MB in the end (delta: -68.5 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:13,717 INFO L168 Benchmark]: Boogie Preprocessor took 92.38 ms. Allocated memory is still 205.5 MB. Free memory was 172.3 MB in the beginning and 167.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:13,719 INFO L168 Benchmark]: RCFGBuilder took 1280.76 ms. Allocated memory was 205.5 MB in the beginning and 232.8 MB in the end (delta: 27.3 MB). Free memory was 167.9 MB in the beginning and 186.9 MB in the end (delta: -19.0 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:13,721 INFO L168 Benchmark]: TraceAbstraction took 22693.35 ms. Allocated memory was 232.8 MB in the beginning and 618.7 MB in the end (delta: 385.9 MB). Free memory was 186.9 MB in the beginning and 391.8 MB in the end (delta: -204.9 MB). Peak memory consumption was 482.5 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:13,728 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 123.4 MB in the beginning and 123.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.04 ms. Allocated memory was 143.1 MB in the beginning and 205.5 MB in the end (delta: 62.4 MB). Free memory was 103.8 MB in the beginning and 172.3 MB in the end (delta: -68.5 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.38 ms. Allocated memory is still 205.5 MB. Free memory was 172.3 MB in the beginning and 167.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1280.76 ms. Allocated memory was 205.5 MB in the beginning and 232.8 MB in the end (delta: 27.3 MB). Free memory was 167.9 MB in the beginning and 186.9 MB in the end (delta: -19.0 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22693.35 ms. Allocated memory was 232.8 MB in the beginning and 618.7 MB in the end (delta: 385.9 MB). Free memory was 186.9 MB in the beginning and 391.8 MB in the end (delta: -204.9 MB). Peak memory consumption was 482.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: 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: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 484 SDtfs, 764 SDslu, 437 SDs, 0 SdLazy, 2044 SolverSat, 546 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=383occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 505 PreInvPairs, 608 NumberOfFragments, 704 HoareAnnotationTreeSize, 505 FomulaSimplifications, 108835 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 53 FomulaSimplificationsInter, 17276 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 73758 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...