/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 interpolation-heuristic=FIRST --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_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 14:42:26,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 14:42:26,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 14:42:26,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 14:42:26,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 14:42:26,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 14:42:26,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 14:42:26,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 14:42:26,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 14:42:26,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 14:42:26,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 14:42:26,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 14:42:26,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 14:42:26,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 14:42:26,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 14:42:26,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 14:42:26,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 14:42:26,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 14:42:26,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 14:42:26,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 14:42:26,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 14:42:26,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 14:42:26,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 14:42:26,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 14:42:26,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 14:42:26,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 14:42:26,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 14:42:26,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 14:42:26,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 14:42:26,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 14:42:26,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 14:42:26,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 14:42:26,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 14:42:26,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 14:42:26,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 14:42:26,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 14:42:26,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 14:42:26,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 14:42:26,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 14:42:26,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 14:42:26,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 14:42:26,550 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 14:42:26,605 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 14:42:26,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 14:42:26,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 14:42:26,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 14:42:26,607 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 14:42:26,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 14:42:26,607 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 14:42:26,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 14:42:26,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 14:42:26,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 14:42:26,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 14:42:26,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 14:42:26,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 14:42:26,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 14:42:26,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 14:42:26,610 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 14:42:26,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 14:42:26,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 14:42:26,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 14:42:26,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 14:42:26,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 14:42:26,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:42:26,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 14:42:26,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 14:42:26,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 14:42:26,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 14:42:26,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 14:42:26,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 14:42:26,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 14:42:26,613 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 -> interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; [2020-08-21 14:42:26,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 14:42:26,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 14:42:26,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 14:42:26,952 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 14:42:26,952 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 14:42:26,953 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2020-08-21 14:42:27,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1839fd777/f4b8670c7dc547f28ab14c8292a0db2c/FLAGf00c2683e [2020-08-21 14:42:27,536 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 14:42:27,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2020-08-21 14:42:27,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1839fd777/f4b8670c7dc547f28ab14c8292a0db2c/FLAGf00c2683e [2020-08-21 14:42:27,897 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1839fd777/f4b8670c7dc547f28ab14c8292a0db2c [2020-08-21 14:42:27,905 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 14:42:27,907 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 14:42:27,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 14:42:27,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 14:42:27,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 14:42:27,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:42:27" (1/1) ... [2020-08-21 14:42:27,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc2875a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:42:27, skipping insertion in model container [2020-08-21 14:42:27,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:42:27" (1/1) ... [2020-08-21 14:42:27,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 14:42:27,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 14:42:28,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:42:28,603 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 14:42:28,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:42:28,744 INFO L208 MainTranslator]: Completed translation [2020-08-21 14:42:28,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:42:28 WrapperNode [2020-08-21 14:42:28,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 14:42:28,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 14:42:28,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 14:42:28,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 14:42:28,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:42:28" (1/1) ... [2020-08-21 14:42:28,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:42:28" (1/1) ... [2020-08-21 14:42:28,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:42:28" (1/1) ... [2020-08-21 14:42:28,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:42:28" (1/1) ... [2020-08-21 14:42:28,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:42:28" (1/1) ... [2020-08-21 14:42:28,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:42:28" (1/1) ... [2020-08-21 14:42:28,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:42:28" (1/1) ... [2020-08-21 14:42:28,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 14:42:28,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 14:42:28,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 14:42:28,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 14:42:28,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:42:28" (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 14:42:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 14:42:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 14:42:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 14:42:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 14:42:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 14:42:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 14:42:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 14:42:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 14:42:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 14:42:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 14:42:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 14:42:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 14:42:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 14:42:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 14:42:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 14:42:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 14:42:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 14:42:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 14:42:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 14:42:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 14:42:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 14:42:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 14:42:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 14:42:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 14:42:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 14:42:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 14:42:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 14:42:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 14:42:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 14:42:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 14:42:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 14:42:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 14:42:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 14:42:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 14:42:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 14:42:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-21 14:42:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-21 14:42:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 14:42:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 14:42:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 14:42:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 14:42:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 14:42:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 14:42:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 14:42:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 14:42:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 14:42:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 14:42:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 14:42:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 14:42:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 14:42:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 14:42:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 14:42:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 14:42:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 14:42:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 14:42:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 14:42:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 14:42:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 14:42:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 14:42:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 14:42:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 14:42:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 14:42:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 14:42:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 14:42:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 14:42:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 14:42:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 14:42:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 14:42:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-21 14:42:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 14:42:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 14:42:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 14:42:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 14:42:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 14:42:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 14:42:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 14:42:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 14:42:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 14:42:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 14:42:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 14:42:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-21 14:42:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 14:42:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 14:42:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 14:42:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 14:42:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 14:42:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 14:42:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 14:42:29,959 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 14:42:29,959 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 14:42:29,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:42:29 BoogieIcfgContainer [2020-08-21 14:42:29,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 14:42:29,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 14:42:29,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 14:42:29,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 14:42:29,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:42:27" (1/3) ... [2020-08-21 14:42:29,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dfeb7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:42:29, skipping insertion in model container [2020-08-21 14:42:29,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:42:28" (2/3) ... [2020-08-21 14:42:29,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dfeb7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:42:29, skipping insertion in model container [2020-08-21 14:42:29,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:42:29" (3/3) ... [2020-08-21 14:42:29,973 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2020-08-21 14:42:29,984 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 14:42:29,993 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 14:42:30,008 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 14:42:30,033 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 14:42:30,033 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 14:42:30,033 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 14:42:30,034 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 14:42:30,034 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 14:42:30,034 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 14:42:30,034 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 14:42:30,034 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 14:42:30,056 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2020-08-21 14:42:30,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 14:42:30,064 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:42:30,065 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 14:42:30,066 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:42:30,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:42:30,071 INFO L82 PathProgramCache]: Analyzing trace with hash 972892505, now seen corresponding path program 1 times [2020-08-21 14:42:30,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:42:30,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1948704264] [2020-08-21 14:42:30,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:42:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:30,742 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:42:30,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:42:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:30,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:42:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:30,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:42:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:30,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:42:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:30,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:42:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:30,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:42:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:30,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 14:42:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:30,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 14:42:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:30,838 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 14:42:30,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1948704264] [2020-08-21 14:42:30,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:42:30,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 14:42:30,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479546172] [2020-08-21 14:42:30,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 14:42:30,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:42:30,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 14:42:30,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 14:42:30,868 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 4 states. [2020-08-21 14:42:31,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:42:31,933 INFO L93 Difference]: Finished difference Result 229 states and 304 transitions. [2020-08-21 14:42:31,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 14:42:31,935 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 14:42:31,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:42:31,949 INFO L225 Difference]: With dead ends: 229 [2020-08-21 14:42:31,950 INFO L226 Difference]: Without dead ends: 131 [2020-08-21 14:42:31,954 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 14:42:31,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-21 14:42:32,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 99. [2020-08-21 14:42:32,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-21 14:42:32,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-08-21 14:42:32,036 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 51 [2020-08-21 14:42:32,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:42:32,036 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-08-21 14:42:32,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 14:42:32,037 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-08-21 14:42:32,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 14:42:32,040 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:42:32,041 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 14:42:32,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 14:42:32,041 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:42:32,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:42:32,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1607408945, now seen corresponding path program 1 times [2020-08-21 14:42:32,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:42:32,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039468857] [2020-08-21 14:42:32,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:42:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:32,378 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:42:32,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:42:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:32,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:42:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:32,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:42:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:32,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:42:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:32,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:42:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:32,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:42:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:32,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:42:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:32,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 14:42:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:32,434 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 14:42:32,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039468857] [2020-08-21 14:42:32,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:42:32,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 14:42:32,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135621201] [2020-08-21 14:42:32,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 14:42:32,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:42:32,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 14:42:32,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 14:42:32,438 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 5 states. [2020-08-21 14:42:32,943 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 14:42:33,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:42:33,557 INFO L93 Difference]: Finished difference Result 161 states and 201 transitions. [2020-08-21 14:42:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 14:42:33,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-21 14:42:33,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:42:33,560 INFO L225 Difference]: With dead ends: 161 [2020-08-21 14:42:33,560 INFO L226 Difference]: Without dead ends: 121 [2020-08-21 14:42:33,562 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 14:42:33,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-21 14:42:33,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 90. [2020-08-21 14:42:33,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-08-21 14:42:33,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2020-08-21 14:42:33,596 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 52 [2020-08-21 14:42:33,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:42:33,596 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2020-08-21 14:42:33,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 14:42:33,596 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2020-08-21 14:42:33,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-21 14:42:33,598 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:42:33,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:42:33,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 14:42:33,599 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:42:33,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:42:33,600 INFO L82 PathProgramCache]: Analyzing trace with hash -712810545, now seen corresponding path program 1 times [2020-08-21 14:42:33,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:42:33,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1976773746] [2020-08-21 14:42:33,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:42:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:33,932 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:42:33,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:42:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:33,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:42:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:33,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:42:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:34,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:42:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:34,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:42:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:34,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:42:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:34,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 14:42:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:34,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 14:42:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:34,056 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 14:42:34,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1976773746] [2020-08-21 14:42:34,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:42:34,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 14:42:34,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55228910] [2020-08-21 14:42:34,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 14:42:34,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:42:34,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 14:42:34,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 14:42:34,059 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 9 states. [2020-08-21 14:42:34,412 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:42:34,698 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:42:34,949 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:42:35,184 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:42:35,994 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 14:42:37,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:42:37,196 INFO L93 Difference]: Finished difference Result 314 states and 397 transitions. [2020-08-21 14:42:37,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 14:42:37,197 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-21 14:42:37,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:42:37,201 INFO L225 Difference]: With dead ends: 314 [2020-08-21 14:42:37,202 INFO L226 Difference]: Without dead ends: 252 [2020-08-21 14:42:37,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-21 14:42:37,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-08-21 14:42:37,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 179. [2020-08-21 14:42:37,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-08-21 14:42:37,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 214 transitions. [2020-08-21 14:42:37,264 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 214 transitions. Word has length 57 [2020-08-21 14:42:37,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:42:37,264 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 214 transitions. [2020-08-21 14:42:37,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 14:42:37,264 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 214 transitions. [2020-08-21 14:42:37,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-21 14:42:37,267 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:42:37,267 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] [2020-08-21 14:42:37,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 14:42:37,268 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:42:37,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:42:37,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1899205419, now seen corresponding path program 1 times [2020-08-21 14:42:37,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:42:37,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870417415] [2020-08-21 14:42:37,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:42:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:37,688 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:42:37,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:42:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:37,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:42:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:37,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:42:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:37,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:42:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:37,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:42:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:37,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:42:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:37,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-21 14:42:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:37,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 14:42:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:37,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 14:42:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:37,840 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 14:42:37,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870417415] [2020-08-21 14:42:37,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:42:37,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 14:42:37,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807657906] [2020-08-21 14:42:37,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:42:37,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:42:37,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:42:37,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:42:37,843 INFO L87 Difference]: Start difference. First operand 179 states and 214 transitions. Second operand 8 states. [2020-08-21 14:42:38,188 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:42:39,218 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:42:39,497 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:42:39,744 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:42:40,007 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:42:40,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:42:40,369 INFO L93 Difference]: Finished difference Result 536 states and 699 transitions. [2020-08-21 14:42:40,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 14:42:40,369 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-08-21 14:42:40,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:42:40,378 INFO L225 Difference]: With dead ends: 536 [2020-08-21 14:42:40,378 INFO L226 Difference]: Without dead ends: 385 [2020-08-21 14:42:40,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-08-21 14:42:40,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2020-08-21 14:42:40,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 306. [2020-08-21 14:42:40,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-08-21 14:42:40,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 368 transitions. [2020-08-21 14:42:40,464 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 368 transitions. Word has length 60 [2020-08-21 14:42:40,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:42:40,465 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 368 transitions. [2020-08-21 14:42:40,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:42:40,465 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 368 transitions. [2020-08-21 14:42:40,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 14:42:40,468 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:42:40,468 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 14:42:40,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 14:42:40,468 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:42:40,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:42:40,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1357836985, now seen corresponding path program 1 times [2020-08-21 14:42:40,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:42:40,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956685068] [2020-08-21 14:42:40,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:42:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:40,769 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:42:40,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:42:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:40,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:42:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:40,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:42:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:40,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:42:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:40,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:42:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:40,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:42:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:40,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 14:42:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:40,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 14:42:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:40,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 14:42:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:40,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 14:42:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:42:40,873 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 14:42:40,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956685068] [2020-08-21 14:42:40,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:42:40,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 14:42:40,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903998432] [2020-08-21 14:42:40,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 14:42:40,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:42:40,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 14:42:40,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 14:42:40,877 INFO L87 Difference]: Start difference. First operand 306 states and 368 transitions. Second operand 9 states. [2020-08-21 14:42:41,308 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:42:42,181 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:42:42,446 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:42:42,720 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:42:42,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:42:42,983 INFO L93 Difference]: Finished difference Result 633 states and 830 transitions. [2020-08-21 14:42:42,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 14:42:42,984 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-21 14:42:42,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:42:42,984 INFO L225 Difference]: With dead ends: 633 [2020-08-21 14:42:42,985 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 14:42:42,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-08-21 14:42:42,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 14:42:42,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 14:42:42,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 14:42:42,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 14:42:42,990 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-08-21 14:42:42,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:42:42,990 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 14:42:42,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 14:42:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 14:42:42,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 14:42:42,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 14:42:42,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 14:42:43,125 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 6 [2020-08-21 14:42:43,495 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 6 [2020-08-21 14:42:46,556 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 14:42:46,720 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 14:42:46,893 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 14:42:47,187 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 14:42:47,387 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 14:42:47,564 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 14:42:47,741 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-21 14:42:47,913 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 14:42:48,198 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-08-21 14:42:48,397 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:42:48,552 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 14:42:48,872 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-08-21 14:42:49,206 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-08-21 14:42:49,691 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 15 [2020-08-21 14:42:49,842 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 14:42:50,165 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-21 14:42:50,333 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-21 14:42:50,506 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 14:42:50,687 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 14:42:51,004 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 14:42:51,297 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-21 14:42:51,619 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 14:42:51,941 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-21 14:42:51,953 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-21 14:42:51,953 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-21 14:42:51,954 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 14:42:51,954 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-21 14:42:51,954 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-21 14:42:51,954 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-21 14:42:51,954 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-21 14:42:51,954 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-21 14:42:51,954 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 14:42:51,954 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-21 14:42:51,955 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-21 14:42:51,955 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-21 14:42:51,955 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-21 14:42:51,955 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 14:42:51,955 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-21 14:42:51,955 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-21 14:42:51,955 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-21 14:42:51,955 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-21 14:42:51,956 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2020-08-21 14:42:51,956 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2020-08-21 14:42:51,956 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2020-08-21 14:42:51,956 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2020-08-21 14:42:51,957 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2020-08-21 14:42:51,957 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 14:42:51,957 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2020-08-21 14:42:51,958 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-21 14:42:51,958 INFO L264 CegarLoopResult]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-21 14:42:51,958 INFO L268 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2020-08-21 14:42:51,958 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2020-08-21 14:42:51,958 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-08-21 14:42:51,958 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 14:42:51,959 INFO L264 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 14:42:51,959 INFO L264 CegarLoopResult]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 14:42:51,959 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2020-08-21 14:42:51,959 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2020-08-21 14:42:51,959 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2020-08-21 14:42:51,959 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2020-08-21 14:42:51,960 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-21 14:42:51,960 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-21 14:42:51,960 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-08-21 14:42:51,960 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-21 14:42:51,960 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-21 14:42:51,960 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-08-21 14:42:51,960 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-21 14:42:51,960 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-21 14:42:51,961 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-08-21 14:42:51,961 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-21 14:42:51,961 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-21 14:42:51,961 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-08-21 14:42:51,961 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-21 14:42:51,961 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-21 14:42:51,961 INFO L264 CegarLoopResult]: At program point L737(line 737) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 14:42:51,961 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 731 745) no Hoare annotation was computed. [2020-08-21 14:42:51,962 INFO L268 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-08-21 14:42:51,962 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 731 745) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 14:42:51,962 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 731 745) no Hoare annotation was computed. [2020-08-21 14:42:51,962 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 686 694) no Hoare annotation was computed. [2020-08-21 14:42:51,962 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 686 694) the Hoare annotation is: true [2020-08-21 14:42:51,962 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 686 694) no Hoare annotation was computed. [2020-08-21 14:42:51,962 INFO L268 CegarLoopResult]: For program point L702(lines 702 710) no Hoare annotation was computed. [2020-08-21 14:42:51,963 INFO L268 CegarLoopResult]: For program point L702-2(lines 702 710) no Hoare annotation was computed. [2020-08-21 14:42:51,963 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-08-21 14:42:51,963 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-08-21 14:42:51,963 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 695 730) no Hoare annotation was computed. [2020-08-21 14:42:51,963 INFO L268 CegarLoopResult]: For program point L714(lines 714 722) no Hoare annotation was computed. [2020-08-21 14:42:51,963 INFO L268 CegarLoopResult]: For program point L714-2(lines 714 722) no Hoare annotation was computed. [2020-08-21 14:42:51,963 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 695 730) no Hoare annotation was computed. [2020-08-21 14:42:51,963 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 695 730) no Hoare annotation was computed. [2020-08-21 14:42:51,964 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2020-08-21 14:42:51,964 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2020-08-21 14:42:51,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-21 14:42:51,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-21 14:42:51,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-21 14:42:51,964 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-21 14:42:51,964 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-21 14:42:51,964 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-21 14:42:51,965 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-21 14:42:51,965 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-21 14:42:51,965 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-21 14:42:51,965 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 512 522) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 14:42:51,965 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 512 522) no Hoare annotation was computed. [2020-08-21 14:42:51,965 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 512 522) no Hoare annotation was computed. [2020-08-21 14:42:51,965 INFO L264 CegarLoopResult]: At program point L517(line 517) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 14:42:51,966 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 675 685) no Hoare annotation was computed. [2020-08-21 14:42:51,966 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 675 685) no Hoare annotation was computed. [2020-08-21 14:42:51,966 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-08-21 14:42:51,966 INFO L268 CegarLoopResult]: For program point L680-1(line 680) no Hoare annotation was computed. [2020-08-21 14:42:51,966 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 675 685) no Hoare annotation was computed. [2020-08-21 14:42:51,966 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 667 674) the Hoare annotation is: true [2020-08-21 14:42:51,966 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 667 674) no Hoare annotation was computed. [2020-08-21 14:42:51,966 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 667 674) no Hoare annotation was computed. [2020-08-21 14:42:51,966 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 652 658) no Hoare annotation was computed. [2020-08-21 14:42:51,967 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 652 658) the Hoare annotation is: true [2020-08-21 14:42:51,967 INFO L264 CegarLoopResult]: At program point L609(lines 558 610) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 14:42:51,967 INFO L264 CegarLoopResult]: At program point testENTRY(lines 549 616) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 14:42:51,967 INFO L264 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 14:42:51,967 INFO L268 CegarLoopResult]: For program point testFINAL(lines 549 616) no Hoare annotation was computed. [2020-08-21 14:42:51,967 INFO L268 CegarLoopResult]: For program point L597(lines 597 603) no Hoare annotation was computed. [2020-08-21 14:42:51,967 INFO L264 CegarLoopResult]: At program point L597-1(lines 589 604) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 14:42:51,968 INFO L268 CegarLoopResult]: For program point L560(lines 559 608) no Hoare annotation was computed. [2020-08-21 14:42:51,968 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 14:42:51,968 INFO L268 CegarLoopResult]: For program point L589(lines 589 604) no Hoare annotation was computed. [2020-08-21 14:42:51,968 INFO L264 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 14:42:51,968 INFO L268 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-08-21 14:42:51,968 INFO L268 CegarLoopResult]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2020-08-21 14:42:51,968 INFO L264 CegarLoopResult]: At program point L606(lines 559 608) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 14:42:51,969 INFO L264 CegarLoopResult]: At program point L571(line 571) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 14:42:51,969 INFO L268 CegarLoopResult]: For program point L569(lines 569 575) no Hoare annotation was computed. [2020-08-21 14:42:51,969 INFO L268 CegarLoopResult]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2020-08-21 14:42:51,969 INFO L268 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-08-21 14:42:51,969 INFO L268 CegarLoopResult]: For program point testEXIT(lines 549 616) no Hoare annotation was computed. [2020-08-21 14:42:51,969 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-21 14:42:51,969 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-21 14:42:51,969 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-21 14:42:51,970 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-21 14:42:51,970 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-21 14:42:51,970 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-21 14:42:51,970 INFO L264 CegarLoopResult]: At program point L864(line 864) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-21 14:42:51,970 INFO L268 CegarLoopResult]: For program point L864-1(line 864) no Hoare annotation was computed. [2020-08-21 14:42:51,970 INFO L268 CegarLoopResult]: For program point L862(lines 862 879) no Hoare annotation was computed. [2020-08-21 14:42:51,970 INFO L268 CegarLoopResult]: For program point L862-1(lines 854 882) no Hoare annotation was computed. [2020-08-21 14:42:51,970 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 14:42:51,971 INFO L268 CegarLoopResult]: For program point L860-1(line 860) no Hoare annotation was computed. [2020-08-21 14:42:51,971 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 854 882) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 14:42:51,971 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 14:42:51,971 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 854 882) no Hoare annotation was computed. [2020-08-21 14:42:51,971 INFO L268 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-08-21 14:42:51,971 INFO L268 CegarLoopResult]: For program point L866(lines 866 876) no Hoare annotation was computed. [2020-08-21 14:42:51,971 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 846 853) 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 14:42:51,971 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 846 853) no Hoare annotation was computed. [2020-08-21 14:42:51,972 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 846 853) no Hoare annotation was computed. [2020-08-21 14:42:51,972 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 812 834) no Hoare annotation was computed. [2020-08-21 14:42:51,972 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 812 834) no Hoare annotation was computed. [2020-08-21 14:42:51,972 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 812 834) no Hoare annotation was computed. [2020-08-21 14:42:51,972 INFO L268 CegarLoopResult]: For program point L820(lines 820 828) no Hoare annotation was computed. [2020-08-21 14:42:51,972 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 828) no Hoare annotation was computed. [2020-08-21 14:42:51,972 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-21 14:42:51,972 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-21 14:42:51,973 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-21 14:42:51,973 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-21 14:42:51,973 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-21 14:42:51,973 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-21 14:42:51,973 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-21 14:42:51,973 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-21 14:42:51,973 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-21 14:42:51,973 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-21 14:42:51,973 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-21 14:42:51,974 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-21 14:42:51,974 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-21 14:42:51,974 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-21 14:42:51,974 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-21 14:42:51,974 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-21 14:42:51,974 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2020-08-21 14:42:51,974 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2020-08-21 14:42:51,974 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2020-08-21 14:42:51,974 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:42:51,975 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~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~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~string43.base| |old(#t~string43.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 14:42:51,975 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:42:51,975 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 659 666) no Hoare annotation was computed. [2020-08-21 14:42:51,975 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 659 666) no Hoare annotation was computed. [2020-08-21 14:42:51,975 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 659 666) no Hoare annotation was computed. [2020-08-21 14:42:51,976 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 835 843) no Hoare annotation was computed. [2020-08-21 14:42:51,976 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 835 843) no Hoare annotation was computed. [2020-08-21 14:42:51,976 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 835 843) no Hoare annotation was computed. [2020-08-21 14:42:51,976 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:42:51,976 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 14:42:51,976 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:42:51,976 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 791 802) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 14:42:51,977 INFO L268 CegarLoopResult]: For program point L795-1(lines 791 802) no Hoare annotation was computed. [2020-08-21 14:42:51,977 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 791 802) no Hoare annotation was computed. [2020-08-21 14:42:51,977 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-21 14:42:51,977 INFO L264 CegarLoopResult]: At program point L639(lines 639 645) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-08-21 14:42:51,977 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 14:42:51,977 INFO L268 CegarLoopResult]: For program point L632(lines 631 650) no Hoare annotation was computed. [2020-08-21 14:42:51,977 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 628 651) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-21 14:42:51,977 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 628 651) no Hoare annotation was computed. [2020-08-21 14:42:51,978 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 628 651) no Hoare annotation was computed. [2020-08-21 14:42:51,978 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2020-08-21 14:42:51,978 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2020-08-21 14:42:51,978 INFO L271 CegarLoopResult]: At program point L471(lines 446 475) the Hoare annotation is: true [2020-08-21 14:42:51,978 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-21 14:42:51,978 INFO L268 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-08-21 14:42:51,978 INFO L271 CegarLoopResult]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2020-08-21 14:42:51,978 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-21 14:42:51,978 INFO L271 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2020-08-21 14:42:51,979 INFO L271 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: true [2020-08-21 14:42:51,979 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-08-21 14:42:51,979 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 803 811) the Hoare annotation is: true [2020-08-21 14:42:51,979 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 803 811) no Hoare annotation was computed. [2020-08-21 14:42:51,979 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 803 811) no Hoare annotation was computed. [2020-08-21 14:42:51,979 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 767 778) the Hoare annotation is: true [2020-08-21 14:42:51,979 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 767 778) no Hoare annotation was computed. [2020-08-21 14:42:51,979 INFO L268 CegarLoopResult]: For program point L771-1(lines 767 778) no Hoare annotation was computed. [2020-08-21 14:42:51,980 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2020-08-21 14:42:51,980 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2020-08-21 14:42:51,980 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:42:51,980 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 14:42:51,980 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 14:42:51,980 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:42:51,980 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 746 753) no Hoare annotation was computed. [2020-08-21 14:42:51,980 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 746 753) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-21 14:42:51,980 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 746 753) no Hoare annotation was computed. [2020-08-21 14:42:51,981 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 779 790) no Hoare annotation was computed. [2020-08-21 14:42:51,981 INFO L268 CegarLoopResult]: For program point L783-1(lines 779 790) no Hoare annotation was computed. [2020-08-21 14:42:51,981 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 779 790) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 14:42:51,981 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 755 762) no Hoare annotation was computed. [2020-08-21 14:42:51,981 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2020-08-21 14:42:51,981 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 755 762) the Hoare annotation is: true [2020-08-21 14:42:51,981 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 755 762) no Hoare annotation was computed. [2020-08-21 14:42:51,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:42:51 BoogieIcfgContainer [2020-08-21 14:42:51,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 14:42:52,001 INFO L168 Benchmark]: Toolchain (without parser) took 24094.07 ms. Allocated memory was 136.8 MB in the beginning and 560.5 MB in the end (delta: 423.6 MB). Free memory was 99.1 MB in the beginning and 377.4 MB in the end (delta: -278.3 MB). Peak memory consumption was 446.3 MB. Max. memory is 7.1 GB. [2020-08-21 14:42:52,002 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 14:42:52,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 836.93 ms. Allocated memory was 136.8 MB in the beginning and 203.4 MB in the end (delta: 66.6 MB). Free memory was 98.9 MB in the beginning and 168.9 MB in the end (delta: -69.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-08-21 14:42:52,004 INFO L168 Benchmark]: Boogie Preprocessor took 109.11 ms. Allocated memory is still 203.4 MB. Free memory was 168.9 MB in the beginning and 164.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-21 14:42:52,005 INFO L168 Benchmark]: RCFGBuilder took 1109.97 ms. Allocated memory was 203.4 MB in the beginning and 231.2 MB in the end (delta: 27.8 MB). Free memory was 164.6 MB in the beginning and 197.8 MB in the end (delta: -33.2 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2020-08-21 14:42:52,005 INFO L168 Benchmark]: TraceAbstraction took 22033.28 ms. Allocated memory was 231.2 MB in the beginning and 560.5 MB in the end (delta: 329.3 MB). Free memory was 196.3 MB in the beginning and 377.4 MB in the end (delta: -181.1 MB). Peak memory consumption was 449.2 MB. Max. memory is 7.1 GB. [2020-08-21 14:42:52,010 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 836.93 ms. Allocated memory was 136.8 MB in the beginning and 203.4 MB in the end (delta: 66.6 MB). Free memory was 98.9 MB in the beginning and 168.9 MB in the end (delta: -69.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.11 ms. Allocated memory is still 203.4 MB. Free memory was 168.9 MB in the beginning and 164.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1109.97 ms. Allocated memory was 203.4 MB in the beginning and 231.2 MB in the end (delta: 27.8 MB). Free memory was 164.6 MB in the beginning and 197.8 MB in the end (delta: -33.2 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22033.28 ms. Allocated memory was 231.2 MB in the beginning and 560.5 MB in the end (delta: 329.3 MB). Free memory was 196.3 MB in the beginning and 377.4 MB in the end (delta: -181.1 MB). Peak memory consumption was 449.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 759]: 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: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 209 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 427 SDtfs, 715 SDslu, 488 SDs, 0 SdLazy, 1888 SolverSat, 550 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred 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, 215 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 363 PreInvPairs, 454 NumberOfFragments, 745 HoareAnnotationTreeSize, 363 FomulaSimplifications, 187359 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 48 FomulaSimplificationsInter, 15090 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 81357 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...