/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 13:54:12,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:54:12,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:54:12,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 13:54:12,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 13:54:12,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 13:54:12,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 13:54:12,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 13:54:12,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 13:54:12,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 13:54:12,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 13:54:12,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 13:54:12,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:54:12,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:54:12,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:54:12,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:54:12,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:54:12,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:54:12,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:54:12,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:54:12,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:54:12,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:54:12,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:54:12,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:54:12,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 13:54:12,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 13:54:12,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 13:54:12,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 13:54:12,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 13:54:12,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 13:54:12,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 13:54:12,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 13:54:12,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 13:54:12,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 13:54:12,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 13:54:12,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 13:54:12,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 13:54:12,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 13:54:12,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:54:12,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:54:12,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:54:12,723 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 [2020-08-21 13:54:12,747 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:54:12,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:54:12,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:54:12,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:54:12,749 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:54:12,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:54:12,749 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:54:12,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:54:12,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:54:12,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:54:12,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:54:12,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:54:12,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:54:12,751 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:54:12,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:54:12,751 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:54:12,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:54:12,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:54:12,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:54:12,752 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:54:12,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:54:12,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:54:12,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:54:12,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:54:12,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:54:12,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:54:12,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:54:12,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:54:12,754 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:54:12,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> log-additional-information=true; [2020-08-21 13:54:13,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:54:13,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:54:13,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:54:13,070 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:54:13,071 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:54:13,071 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2020-08-21 13:54:13,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3abdf4141/e60bbf638cdb4db297607d8e18fa45b1/FLAGbb95ac29d [2020-08-21 13:54:13,660 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:54:13,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2020-08-21 13:54:13,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3abdf4141/e60bbf638cdb4db297607d8e18fa45b1/FLAGbb95ac29d [2020-08-21 13:54:14,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3abdf4141/e60bbf638cdb4db297607d8e18fa45b1 [2020-08-21 13:54:14,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:54:14,025 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:54:14,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:54:14,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:54:14,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:54:14,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:54:14" (1/1) ... [2020-08-21 13:54:14,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c07bf98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:14, skipping insertion in model container [2020-08-21 13:54:14,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:54:14" (1/1) ... [2020-08-21 13:54:14,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:54:14,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:54:14,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:54:14,485 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:54:14,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:54:14,603 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:54:14,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:14 WrapperNode [2020-08-21 13:54:14,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:54:14,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:54:14,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:54:14,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:54:14,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:14" (1/1) ... [2020-08-21 13:54:14,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:14" (1/1) ... [2020-08-21 13:54:14,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:14" (1/1) ... [2020-08-21 13:54:14,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:14" (1/1) ... [2020-08-21 13:54:14,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:14" (1/1) ... [2020-08-21 13:54:14,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:14" (1/1) ... [2020-08-21 13:54:14,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:14" (1/1) ... [2020-08-21 13:54:14,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:54:14,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:54:14,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:54:14,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:54:14,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:14" (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 [2020-08-21 13:54:14,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:54:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:54:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 13:54:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 13:54:14,801 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 13:54:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 13:54:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 13:54:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:54:14,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-21 13:54:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-21 13:54:14,803 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 13:54:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 13:54:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 13:54:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 13:54:14,804 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 13:54:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 13:54:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 13:54:14,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 13:54:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 13:54:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 13:54:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 13:54:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 13:54:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 13:54:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 13:54:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 13:54:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 13:54:14,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 13:54:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 13:54:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 13:54:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 13:54:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 13:54:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 13:54:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 13:54:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 13:54:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 13:54:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 13:54:14,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:54:14,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 13:54:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 13:54:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 13:54:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 13:54:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 13:54:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 13:54:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 13:54:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 13:54:14,811 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 13:54:14,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-21 13:54:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 13:54:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 13:54:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 13:54:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 13:54:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 13:54:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:54:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 13:54:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 13:54:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 13:54:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-21 13:54:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 13:54:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 13:54:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 13:54:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 13:54:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 13:54:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 13:54:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 13:54:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 13:54:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 13:54:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 13:54:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 13:54:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 13:54:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 13:54:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 13:54:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 13:54:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 13:54:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 13:54:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 13:54:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 13:54:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 13:54:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 13:54:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 13:54:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 13:54:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 13:54:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 13:54:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 13:54:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:54:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 13:54:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:54:15,857 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:54:15,857 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 13:54:15,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:54:15 BoogieIcfgContainer [2020-08-21 13:54:15,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:54:15,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:54:15,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:54:15,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:54:15,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:54:14" (1/3) ... [2020-08-21 13:54:15,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eaf7270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:54:15, skipping insertion in model container [2020-08-21 13:54:15,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:14" (2/3) ... [2020-08-21 13:54:15,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eaf7270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:54:15, skipping insertion in model container [2020-08-21 13:54:15,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:54:15" (3/3) ... [2020-08-21 13:54:15,872 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2020-08-21 13:54:15,882 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:54:15,891 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 13:54:15,907 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 13:54:15,937 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 13:54:15,938 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 13:54:15,938 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 13:54:15,938 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 13:54:15,939 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 13:54:15,939 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 13:54:15,939 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 13:54:15,939 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 13:54:15,961 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-08-21 13:54:15,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 13:54:15,971 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:54:15,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:54:15,973 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:54:15,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:54:15,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1269401024, now seen corresponding path program 1 times [2020-08-21 13:54:15,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:54:15,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [266991735] [2020-08-21 13:54:15,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:54:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:16,691 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:54:16,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:54:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:16,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:54:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:16,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:54:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:16,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:54:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:16,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:54:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:16,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:54:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:16,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 13:54:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:16,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 13:54:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:16,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:54:16,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [266991735] [2020-08-21 13:54:16,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:54:16,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 13:54:16,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848805992] [2020-08-21 13:54:16,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 13:54:16,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:54:16,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 13:54:16,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:54:16,879 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 4 states. [2020-08-21 13:54:17,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:54:17,887 INFO L93 Difference]: Finished difference Result 236 states and 314 transitions. [2020-08-21 13:54:17,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 13:54:17,889 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 13:54:17,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:54:17,903 INFO L225 Difference]: With dead ends: 236 [2020-08-21 13:54:17,903 INFO L226 Difference]: Without dead ends: 133 [2020-08-21 13:54:17,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:54:17,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-08-21 13:54:17,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 104. [2020-08-21 13:54:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-08-21 13:54:17,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 122 transitions. [2020-08-21 13:54:18,000 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 122 transitions. Word has length 51 [2020-08-21 13:54:18,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:54:18,000 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 122 transitions. [2020-08-21 13:54:18,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 13:54:18,001 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2020-08-21 13:54:18,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 13:54:18,006 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:54:18,006 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] [2020-08-21 13:54:18,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 13:54:18,007 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:54:18,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:54:18,008 INFO L82 PathProgramCache]: Analyzing trace with hash 595669144, now seen corresponding path program 1 times [2020-08-21 13:54:18,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:54:18,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329502127] [2020-08-21 13:54:18,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:54:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:18,384 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:54:18,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:54:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:18,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:54:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:18,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:54:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:18,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:54:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:18,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:54:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:18,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:54:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:18,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 13:54:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:18,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 13:54:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:18,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:54:18,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329502127] [2020-08-21 13:54:18,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:54:18,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 13:54:18,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999568951] [2020-08-21 13:54:18,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 13:54:18,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:54:18,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 13:54:18,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:54:18,448 INFO L87 Difference]: Start difference. First operand 104 states and 122 transitions. Second operand 5 states. [2020-08-21 13:54:18,923 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:54:19,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:54:19,534 INFO L93 Difference]: Finished difference Result 181 states and 225 transitions. [2020-08-21 13:54:19,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 13:54:19,535 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-21 13:54:19,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:54:19,537 INFO L225 Difference]: With dead ends: 181 [2020-08-21 13:54:19,537 INFO L226 Difference]: Without dead ends: 123 [2020-08-21 13:54:19,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:54:19,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-21 13:54:19,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2020-08-21 13:54:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-21 13:54:19,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-08-21 13:54:19,573 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 52 [2020-08-21 13:54:19,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:54:19,573 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-08-21 13:54:19,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 13:54:19,573 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-08-21 13:54:19,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 13:54:19,575 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:54:19,576 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:54:19,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 13:54:19,576 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:54:19,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:54:19,577 INFO L82 PathProgramCache]: Analyzing trace with hash 111621899, now seen corresponding path program 1 times [2020-08-21 13:54:19,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:54:19,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [909097118] [2020-08-21 13:54:19,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:54:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:19,922 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:54:19,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:54:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:19,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:54:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:19,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:54:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:19,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:54:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:20,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:54:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:20,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:54:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:20,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 13:54:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:20,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 13:54:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:20,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:54:20,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [909097118] [2020-08-21 13:54:20,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:54:20,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 13:54:20,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621387814] [2020-08-21 13:54:20,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:54:20,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:54:20,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:54:20,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:54:20,070 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 9 states. [2020-08-21 13:54:20,480 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:54:20,766 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:54:21,021 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:54:21,296 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:54:22,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:54:22,313 INFO L93 Difference]: Finished difference Result 190 states and 240 transitions. [2020-08-21 13:54:22,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 13:54:22,316 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-21 13:54:22,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:54:22,318 INFO L225 Difference]: With dead ends: 190 [2020-08-21 13:54:22,318 INFO L226 Difference]: Without dead ends: 123 [2020-08-21 13:54:22,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-21 13:54:22,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-21 13:54:22,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2020-08-21 13:54:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-21 13:54:22,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-08-21 13:54:22,382 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 56 [2020-08-21 13:54:22,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:54:22,385 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-08-21 13:54:22,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:54:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-08-21 13:54:22,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 13:54:22,396 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:54:22,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:54:22,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 13:54:22,397 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:54:22,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:54:22,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1110138086, now seen corresponding path program 1 times [2020-08-21 13:54:22,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:54:22,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1421282098] [2020-08-21 13:54:22,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:54:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:22,760 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:54:22,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:54:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:22,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:54:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:22,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:54:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:22,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:54:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:22,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:54:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:22,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:54:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:22,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 13:54:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:22,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:54:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:22,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 13:54:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:22,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 13:54:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:54:22,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1421282098] [2020-08-21 13:54:22,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:54:22,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 13:54:22,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066085894] [2020-08-21 13:54:22,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:54:22,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:54:22,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:54:22,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:54:22,866 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 9 states. [2020-08-21 13:54:23,219 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:54:24,102 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:54:24,420 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:54:24,961 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:54:25,188 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:54:25,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:54:25,687 INFO L93 Difference]: Finished difference Result 292 states and 393 transitions. [2020-08-21 13:54:25,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 13:54:25,688 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-21 13:54:25,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:54:25,692 INFO L225 Difference]: With dead ends: 292 [2020-08-21 13:54:25,692 INFO L226 Difference]: Without dead ends: 225 [2020-08-21 13:54:25,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-21 13:54:25,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-21 13:54:25,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 152. [2020-08-21 13:54:25,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-08-21 13:54:25,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions. [2020-08-21 13:54:25,743 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 64 [2020-08-21 13:54:25,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:54:25,744 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 178 transitions. [2020-08-21 13:54:25,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:54:25,744 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2020-08-21 13:54:25,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-21 13:54:25,745 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:54:25,745 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:54:25,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 13:54:25,746 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:54:25,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:54:25,746 INFO L82 PathProgramCache]: Analyzing trace with hash 494399618, now seen corresponding path program 1 times [2020-08-21 13:54:25,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:54:25,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961131824] [2020-08-21 13:54:25,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:54:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:26,061 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:54:26,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:54:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:26,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:54:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:26,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:54:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:26,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:54:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:26,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:54:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:26,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:54:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:26,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 13:54:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:26,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 13:54:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:26,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:54:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:26,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 13:54:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:26,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-21 13:54:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:54:26,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1961131824] [2020-08-21 13:54:26,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:54:26,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 13:54:26,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209732401] [2020-08-21 13:54:26,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 13:54:26,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:54:26,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 13:54:26,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-21 13:54:26,178 INFO L87 Difference]: Start difference. First operand 152 states and 178 transitions. Second operand 10 states. [2020-08-21 13:54:26,558 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:54:27,352 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:54:27,635 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:54:27,874 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:54:28,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:54:28,078 INFO L93 Difference]: Finished difference Result 279 states and 356 transitions. [2020-08-21 13:54:28,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 13:54:28,079 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-08-21 13:54:28,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:54:28,079 INFO L225 Difference]: With dead ends: 279 [2020-08-21 13:54:28,079 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 13:54:28,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-21 13:54:28,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 13:54:28,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 13:54:28,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 13:54:28,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 13:54:28,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-08-21 13:54:28,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:54:28,083 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 13:54:28,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 13:54:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 13:54:28,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 13:54:28,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 13:54:28,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 13:54:28,318 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 202 [2020-08-21 13:54:28,828 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 203 [2020-08-21 13:54:30,197 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-21 13:54:30,365 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 13:54:30,606 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-21 13:54:30,799 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-21 13:54:30,965 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 13:54:31,154 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 13:54:31,368 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:54:31,730 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-21 13:54:32,146 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-21 13:54:32,484 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-21 13:54:32,819 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-21 13:54:33,149 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-21 13:54:33,329 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 13:54:33,504 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 13:54:33,667 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-21 13:54:33,861 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 13:54:34,028 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-21 13:54:34,397 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-21 13:54:34,572 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-21 13:54:34,743 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-21 13:54:35,097 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-21 13:54:35,418 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-21 13:54:35,423 INFO L268 CegarLoopResult]: For program point L598(lines 598 602) no Hoare annotation was computed. [2020-08-21 13:54:35,423 INFO L268 CegarLoopResult]: For program point L598-1(lines 598 602) no Hoare annotation was computed. [2020-08-21 13:54:35,423 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 567 622) no Hoare annotation was computed. [2020-08-21 13:54:35,423 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-08-21 13:54:35,423 INFO L268 CegarLoopResult]: For program point L592-2(lines 592 613) no Hoare annotation was computed. [2020-08-21 13:54:35,424 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 567 622) no Hoare annotation was computed. [2020-08-21 13:54:35,424 INFO L268 CegarLoopResult]: For program point L614(lines 591 615) no Hoare annotation was computed. [2020-08-21 13:54:35,424 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 567 622) no Hoare annotation was computed. [2020-08-21 13:54:35,424 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-08-21 13:54:35,424 INFO L268 CegarLoopResult]: For program point L668-1(line 668) no Hoare annotation was computed. [2020-08-21 13:54:35,425 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 623 682) no Hoare annotation was computed. [2020-08-21 13:54:35,425 INFO L268 CegarLoopResult]: For program point L655(lines 655 659) no Hoare annotation was computed. [2020-08-21 13:54:35,425 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 623 682) no Hoare annotation was computed. [2020-08-21 13:54:35,425 INFO L268 CegarLoopResult]: For program point L655-1(lines 655 659) no Hoare annotation was computed. [2020-08-21 13:54:35,425 INFO L268 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-08-21 13:54:35,426 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 623 682) no Hoare annotation was computed. [2020-08-21 13:54:35,426 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 674) no Hoare annotation was computed. [2020-08-21 13:54:35,426 INFO L268 CegarLoopResult]: For program point L675(lines 648 676) no Hoare annotation was computed. [2020-08-21 13:54:35,426 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 408 414) the Hoare annotation is: true [2020-08-21 13:54:35,426 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 408 414) no Hoare annotation was computed. [2020-08-21 13:54:35,426 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 415 423) no Hoare annotation was computed. [2020-08-21 13:54:35,427 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 415 423) the Hoare annotation is: true [2020-08-21 13:54:35,427 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 415 423) no Hoare annotation was computed. [2020-08-21 13:54:35,427 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:54:35,427 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:54:35,427 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:54:35,428 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:54:35,428 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-08-21 13:54:35,428 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-08-21 13:54:35,428 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:54:35,428 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:54:35,428 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-08-21 13:54:35,429 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-08-21 13:54:35,429 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 13:54:35,429 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-21 13:54:35,429 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-21 13:54:35,429 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-21 13:54:35,429 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-21 13:54:35,429 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-21 13:54:35,429 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 13:54:35,430 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-21 13:54:35,430 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-21 13:54:35,430 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 13:54:35,430 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-21 13:54:35,430 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-21 13:54:35,430 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 13:54:35,430 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-21 13:54:35,430 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-21 13:54:35,430 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 13:54:35,431 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-21 13:54:35,431 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-21 13:54:35,431 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 344 352) no Hoare annotation was computed. [2020-08-21 13:54:35,431 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 344 352) the Hoare annotation is: true [2020-08-21 13:54:35,431 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 344 352) no Hoare annotation was computed. [2020-08-21 13:54:35,431 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-08-21 13:54:35,431 INFO L268 CegarLoopResult]: For program point L383-1(line 383) no Hoare annotation was computed. [2020-08-21 13:54:35,431 INFO L268 CegarLoopResult]: For program point L372(lines 372 380) no Hoare annotation was computed. [2020-08-21 13:54:35,432 INFO L268 CegarLoopResult]: For program point L372-2(lines 372 380) no Hoare annotation was computed. [2020-08-21 13:54:35,432 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 353 388) no Hoare annotation was computed. [2020-08-21 13:54:35,432 INFO L268 CegarLoopResult]: For program point L360(lines 360 368) no Hoare annotation was computed. [2020-08-21 13:54:35,432 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 353 388) no Hoare annotation was computed. [2020-08-21 13:54:35,432 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 368) no Hoare annotation was computed. [2020-08-21 13:54:35,432 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 353 388) no Hoare annotation was computed. [2020-08-21 13:54:35,432 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 401 407) no Hoare annotation was computed. [2020-08-21 13:54:35,432 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 401 407) the Hoare annotation is: true [2020-08-21 13:54:35,432 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 521 566) no Hoare annotation was computed. [2020-08-21 13:54:35,432 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 521 566) no Hoare annotation was computed. [2020-08-21 13:54:35,433 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 521 566) no Hoare annotation was computed. [2020-08-21 13:54:35,433 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 834 879) no Hoare annotation was computed. [2020-08-21 13:54:35,433 INFO L268 CegarLoopResult]: For program point L854(lines 854 861) no Hoare annotation was computed. [2020-08-21 13:54:35,433 INFO L268 CegarLoopResult]: For program point L848(lines 848 868) no Hoare annotation was computed. [2020-08-21 13:54:35,433 INFO L268 CegarLoopResult]: For program point L848-1(lines 848 868) no Hoare annotation was computed. [2020-08-21 13:54:35,433 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 834 879) no Hoare annotation was computed. [2020-08-21 13:54:35,433 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 834 879) no Hoare annotation was computed. [2020-08-21 13:54:35,434 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:54:35,434 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:54:35,434 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-08-21 13:54:35,434 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-08-21 13:54:35,434 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-08-21 13:54:35,434 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 333 343) the Hoare annotation is: true [2020-08-21 13:54:35,435 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 333 343) no Hoare annotation was computed. [2020-08-21 13:54:35,435 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 333 343) no Hoare annotation was computed. [2020-08-21 13:54:35,435 INFO L271 CegarLoopResult]: At program point L338(line 338) the Hoare annotation is: true [2020-08-21 13:54:35,435 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 325 332) the Hoare annotation is: true [2020-08-21 13:54:35,435 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 325 332) no Hoare annotation was computed. [2020-08-21 13:54:35,435 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 325 332) no Hoare annotation was computed. [2020-08-21 13:54:35,435 INFO L264 CegarLoopResult]: At program point L311(line 311) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:54:35,435 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 292 316) no Hoare annotation was computed. [2020-08-21 13:54:35,435 INFO L268 CegarLoopResult]: For program point L311-1(lines 292 316) no Hoare annotation was computed. [2020-08-21 13:54:35,435 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 292 316) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:54:35,435 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:54:35,436 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:54:35,436 INFO L268 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2020-08-21 13:54:35,436 INFO L264 CegarLoopResult]: At program point L298(line 298) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:54:35,436 INFO L268 CegarLoopResult]: For program point L298-1(line 298) no Hoare annotation was computed. [2020-08-21 13:54:35,436 INFO L268 CegarLoopResult]: For program point L296(lines 296 313) no Hoare annotation was computed. [2020-08-21 13:54:35,436 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 284 290) no Hoare annotation was computed. [2020-08-21 13:54:35,436 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 284 290) the Hoare annotation is: true [2020-08-21 13:54:35,436 INFO L264 CegarLoopResult]: At program point testENTRY(lines 188 251) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:54:35,436 INFO L268 CegarLoopResult]: For program point testFINAL(lines 188 251) no Hoare annotation was computed. [2020-08-21 13:54:35,436 INFO L264 CegarLoopResult]: At program point L244(lines 197 245) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:54:35,437 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-21 13:54:35,437 INFO L264 CegarLoopResult]: At program point L234-2(lines 228 239) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 13:54:35,437 INFO L268 CegarLoopResult]: For program point L199(lines 198 243) no Hoare annotation was computed. [2020-08-21 13:54:35,437 INFO L268 CegarLoopResult]: For program point L228(lines 228 239) no Hoare annotation was computed. [2020-08-21 13:54:35,437 INFO L264 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 13:54:35,437 INFO L268 CegarLoopResult]: For program point L218(lines 218 224) no Hoare annotation was computed. [2020-08-21 13:54:35,437 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 224) no Hoare annotation was computed. [2020-08-21 13:54:35,437 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 13:54:35,437 INFO L264 CegarLoopResult]: At program point L241(lines 198 243) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 13:54:35,438 INFO L268 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-08-21 13:54:35,438 INFO L268 CegarLoopResult]: For program point L208-1(lines 208 214) no Hoare annotation was computed. [2020-08-21 13:54:35,438 INFO L268 CegarLoopResult]: For program point L200(lines 200 204) no Hoare annotation was computed. [2020-08-21 13:54:35,438 INFO L268 CegarLoopResult]: For program point testEXIT(lines 188 251) no Hoare annotation was computed. [2020-08-21 13:54:35,438 INFO L268 CegarLoopResult]: For program point L802-1(lines 802 822) no Hoare annotation was computed. [2020-08-21 13:54:35,438 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 788 833) no Hoare annotation was computed. [2020-08-21 13:54:35,438 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 788 833) no Hoare annotation was computed. [2020-08-21 13:54:35,438 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 788 833) no Hoare annotation was computed. [2020-08-21 13:54:35,438 INFO L268 CegarLoopResult]: For program point L808(lines 808 815) no Hoare annotation was computed. [2020-08-21 13:54:35,438 INFO L268 CegarLoopResult]: For program point L802(lines 802 822) no Hoare annotation was computed. [2020-08-21 13:54:35,438 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 13:54:35,438 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 13:54:35,438 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-08-21 13:54:35,439 INFO L268 CegarLoopResult]: For program point L170(lines 170 180) no Hoare annotation was computed. [2020-08-21 13:54:35,439 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-21 13:54:35,439 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-08-21 13:54:35,439 INFO L268 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-08-21 13:54:35,439 INFO L268 CegarLoopResult]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2020-08-21 13:54:35,439 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 13:54:35,439 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2020-08-21 13:54:35,439 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-08-21 13:54:35,439 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 13:54:35,439 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2020-08-21 13:54:35,439 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2020-08-21 13:54:35,440 INFO L268 CegarLoopResult]: For program point L481(lines 481 489) no Hoare annotation was computed. [2020-08-21 13:54:35,440 INFO L268 CegarLoopResult]: For program point L481-2(lines 481 489) no Hoare annotation was computed. [2020-08-21 13:54:35,440 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 473 495) no Hoare annotation was computed. [2020-08-21 13:54:35,440 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 473 495) no Hoare annotation was computed. [2020-08-21 13:54:35,440 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 473 495) no Hoare annotation was computed. [2020-08-21 13:54:35,440 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 391 400) no Hoare annotation was computed. [2020-08-21 13:54:35,440 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 391 400) no Hoare annotation was computed. [2020-08-21 13:54:35,440 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 391 400) no Hoare annotation was computed. [2020-08-21 13:54:35,440 INFO L268 CegarLoopResult]: For program point L735(lines 734 754) no Hoare annotation was computed. [2020-08-21 13:54:35,440 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 685 787) no Hoare annotation was computed. [2020-08-21 13:54:35,441 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-08-21 13:54:35,441 INFO L268 CegarLoopResult]: For program point L766-1(line 766) no Hoare annotation was computed. [2020-08-21 13:54:35,441 INFO L268 CegarLoopResult]: For program point L731(lines 731 772) no Hoare annotation was computed. [2020-08-21 13:54:35,441 INFO L268 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-08-21 13:54:35,441 INFO L268 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-08-21 13:54:35,441 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 685 787) no Hoare annotation was computed. [2020-08-21 13:54:35,441 INFO L268 CegarLoopResult]: For program point L709(lines 709 713) no Hoare annotation was computed. [2020-08-21 13:54:35,441 INFO L268 CegarLoopResult]: For program point L773(lines 773 784) no Hoare annotation was computed. [2020-08-21 13:54:35,441 INFO L268 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-08-21 13:54:35,441 INFO L268 CegarLoopResult]: For program point L734-2(lines 734 754) no Hoare annotation was computed. [2020-08-21 13:54:35,441 INFO L268 CegarLoopResult]: For program point L755(lines 733 756) no Hoare annotation was computed. [2020-08-21 13:54:35,441 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 685 787) no Hoare annotation was computed. [2020-08-21 13:54:35,442 INFO L268 CegarLoopResult]: For program point L714(lines 714 730) no Hoare annotation was computed. [2020-08-21 13:54:35,442 INFO L268 CegarLoopResult]: For program point L774(lines 774 781) no Hoare annotation was computed. [2020-08-21 13:54:35,442 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:54:35,442 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~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 13:54:35,442 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:54:35,442 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 317 324) no Hoare annotation was computed. [2020-08-21 13:54:35,442 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 317 324) no Hoare annotation was computed. [2020-08-21 13:54:35,442 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 317 324) no Hoare annotation was computed. [2020-08-21 13:54:35,442 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 496 504) no Hoare annotation was computed. [2020-08-21 13:54:35,443 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 496 504) no Hoare annotation was computed. [2020-08-21 13:54:35,443 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 496 504) no Hoare annotation was computed. [2020-08-21 13:54:35,443 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 452 463) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 13:54:35,443 INFO L268 CegarLoopResult]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2020-08-21 13:54:35,443 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 452 463) no Hoare annotation was computed. [2020-08-21 13:54:35,443 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:54:35,443 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 13:54:35,443 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:54:35,443 INFO L264 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:54:35,443 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 260 283) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:54:35,444 INFO L264 CegarLoopResult]: At program point L271(lines 271 277) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:54:35,444 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 260 283) no Hoare annotation was computed. [2020-08-21 13:54:35,444 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:54:35,444 INFO L268 CegarLoopResult]: For program point L264(lines 263 282) no Hoare annotation was computed. [2020-08-21 13:54:35,444 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 260 283) no Hoare annotation was computed. [2020-08-21 13:54:35,444 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-21 13:54:35,445 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-21 13:54:35,445 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-21 13:54:35,445 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-21 13:54:35,445 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-21 13:54:35,445 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-21 13:54:35,445 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-21 13:54:35,445 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-21 13:54:35,445 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-21 13:54:35,446 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-21 13:54:35,446 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 464 472) the Hoare annotation is: true [2020-08-21 13:54:35,446 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 464 472) no Hoare annotation was computed. [2020-08-21 13:54:35,446 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 464 472) no Hoare annotation was computed. [2020-08-21 13:54:35,446 INFO L268 CegarLoopResult]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2020-08-21 13:54:35,446 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 428 439) the Hoare annotation is: true [2020-08-21 13:54:35,446 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 428 439) no Hoare annotation was computed. [2020-08-21 13:54:35,447 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-21 13:54:35,447 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-21 13:54:35,447 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:54:35,447 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 13:54:35,447 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 13:54:35,447 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:54:35,447 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 440 451) no Hoare annotation was computed. [2020-08-21 13:54:35,447 INFO L268 CegarLoopResult]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2020-08-21 13:54:35,448 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 440 451) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 13:54:35,448 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 506 513) no Hoare annotation was computed. [2020-08-21 13:54:35,448 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 510) no Hoare annotation was computed. [2020-08-21 13:54:35,448 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 506 513) the Hoare annotation is: true [2020-08-21 13:54:35,448 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 506 513) no Hoare annotation was computed. [2020-08-21 13:54:35,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:54:35 BoogieIcfgContainer [2020-08-21 13:54:35,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 13:54:35,468 INFO L168 Benchmark]: Toolchain (without parser) took 21442.44 ms. Allocated memory was 140.0 MB in the beginning and 597.2 MB in the end (delta: 457.2 MB). Free memory was 101.8 MB in the beginning and 490.2 MB in the end (delta: -388.4 MB). Peak memory consumption was 441.7 MB. Max. memory is 7.1 GB. [2020-08-21 13:54:35,468 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 13:54:35,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.10 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 172.4 MB in the end (delta: -70.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-08-21 13:54:35,470 INFO L168 Benchmark]: Boogie Preprocessor took 117.56 ms. Allocated memory is still 203.4 MB. Free memory was 172.4 MB in the beginning and 168.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-21 13:54:35,471 INFO L168 Benchmark]: RCFGBuilder took 1140.09 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 168.2 MB in the beginning and 203.4 MB in the end (delta: -35.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-08-21 13:54:35,472 INFO L168 Benchmark]: TraceAbstraction took 19601.55 ms. Allocated memory was 237.0 MB in the beginning and 597.2 MB in the end (delta: 360.2 MB). Free memory was 201.9 MB in the beginning and 490.2 MB in the end (delta: -288.3 MB). Peak memory consumption was 444.8 MB. Max. memory is 7.1 GB. [2020-08-21 13:54:35,476 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 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 578.10 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 172.4 MB in the end (delta: -70.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.56 ms. Allocated memory is still 203.4 MB. Free memory was 172.4 MB in the beginning and 168.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1140.09 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 168.2 MB in the beginning and 203.4 MB in the end (delta: -35.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19601.55 ms. Allocated memory was 237.0 MB in the beginning and 597.2 MB in the end (delta: 360.2 MB). Free memory was 201.9 MB in the beginning and 490.2 MB in the end (delta: -288.3 MB). Peak memory consumption was 444.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 510]: 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: 198]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 209 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 416 SDtfs, 779 SDslu, 362 SDs, 0 SdLazy, 1684 SolverSat, 535 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred 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, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 246 PreInvPairs, 278 NumberOfFragments, 758 HoareAnnotationTreeSize, 246 FomulaSimplifications, 90186 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 50 FomulaSimplificationsInter, 8752 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 84318 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...