/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 16:50:13,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 16:50:13,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 16:50:13,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 16:50:13,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 16:50:13,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 16:50:13,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 16:50:13,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 16:50:13,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 16:50:13,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 16:50:13,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 16:50:13,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 16:50:13,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 16:50:13,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 16:50:13,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 16:50:13,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 16:50:13,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 16:50:13,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 16:50:13,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 16:50:13,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 16:50:13,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 16:50:13,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 16:50:13,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 16:50:13,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 16:50:13,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 16:50:13,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 16:50:13,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 16:50:13,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 16:50:13,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 16:50:13,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 16:50:13,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 16:50:13,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 16:50:13,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 16:50:13,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 16:50:13,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 16:50:13,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 16:50:13,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 16:50:13,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 16:50:13,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 16:50:13,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 16:50:13,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 16:50:13,519 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 16:50:13,551 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 16:50:13,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 16:50:13,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 16:50:13,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 16:50:13,553 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 16:50:13,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 16:50:13,553 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 16:50:13,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 16:50:13,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 16:50:13,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 16:50:13,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 16:50:13,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 16:50:13,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 16:50:13,555 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 16:50:13,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 16:50:13,555 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 16:50:13,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 16:50:13,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 16:50:13,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 16:50:13,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 16:50:13,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 16:50:13,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 16:50:13,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 16:50:13,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 16:50:13,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 16:50:13,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 16:50:13,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 16:50:13,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 16:50:13,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 16:50:13,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 16:50:13,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 16:50:13,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 16:50:13,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 16:50:13,897 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 16:50:13,897 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 16:50:13,898 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-08-18 16:50:13,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7714ef74/42939d73a4d04ff39e2e61543fe86156/FLAG56483b652 [2020-08-18 16:50:14,529 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 16:50:14,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-08-18 16:50:14,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7714ef74/42939d73a4d04ff39e2e61543fe86156/FLAG56483b652 [2020-08-18 16:50:14,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7714ef74/42939d73a4d04ff39e2e61543fe86156 [2020-08-18 16:50:14,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 16:50:14,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 16:50:14,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 16:50:14,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 16:50:14,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 16:50:14,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:50:14" (1/1) ... [2020-08-18 16:50:14,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354ddcbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:50:14, skipping insertion in model container [2020-08-18 16:50:14,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:50:14" (1/1) ... [2020-08-18 16:50:14,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 16:50:14,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 16:50:15,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:50:15,344 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 16:50:15,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:50:15,482 INFO L208 MainTranslator]: Completed translation [2020-08-18 16:50:15,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:50:15 WrapperNode [2020-08-18 16:50:15,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 16:50:15,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 16:50:15,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 16:50:15,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 16:50:15,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:50:15" (1/1) ... [2020-08-18 16:50:15,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:50:15" (1/1) ... [2020-08-18 16:50:15,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:50:15" (1/1) ... [2020-08-18 16:50:15,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:50:15" (1/1) ... [2020-08-18 16:50:15,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:50:15" (1/1) ... [2020-08-18 16:50:15,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:50:15" (1/1) ... [2020-08-18 16:50:15,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:50:15" (1/1) ... [2020-08-18 16:50:15,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 16:50:15,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 16:50:15,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 16:50:15,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 16:50:15,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:50:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 16:50:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 16:50:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 16:50:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 16:50:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 16:50:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 16:50:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 16:50:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 16:50:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 16:50:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 16:50:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 16:50:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 16:50:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 16:50:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 16:50:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 16:50:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 16:50:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 16:50:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 16:50:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 16:50:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 16:50:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 16:50:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 16:50:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 16:50:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 16:50:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 16:50:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 16:50:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 16:50:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 16:50:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 16:50:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 16:50:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 16:50:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 16:50:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 16:50:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 16:50:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 16:50:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 16:50:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 16:50:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 16:50:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 16:50:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 16:50:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 16:50:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 16:50:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 16:50:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 16:50:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 16:50:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 16:50:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 16:50:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 16:50:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 16:50:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 16:50:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 16:50:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 16:50:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 16:50:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 16:50:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 16:50:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 16:50:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 16:50:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 16:50:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 16:50:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 16:50:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 16:50:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 16:50:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 16:50:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 16:50:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 16:50:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 16:50:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 16:50:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 16:50:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 16:50:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 16:50:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 16:50:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 16:50:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 16:50:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 16:50:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 16:50:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 16:50:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 16:50:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 16:50:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 16:50:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 16:50:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 16:50:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 16:50:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 16:50:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 16:50:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 16:50:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 16:50:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 16:50:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 16:50:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 16:50:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 16:50:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 16:50:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 16:50:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 16:50:16,754 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 16:50:16,754 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 16:50:16,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:50:16 BoogieIcfgContainer [2020-08-18 16:50:16,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 16:50:16,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 16:50:16,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 16:50:16,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 16:50:16,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 04:50:14" (1/3) ... [2020-08-18 16:50:16,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b2a4d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:50:16, skipping insertion in model container [2020-08-18 16:50:16,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:50:15" (2/3) ... [2020-08-18 16:50:16,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b2a4d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:50:16, skipping insertion in model container [2020-08-18 16:50:16,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:50:16" (3/3) ... [2020-08-18 16:50:16,776 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2020-08-18 16:50:16,788 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 16:50:16,799 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 16:50:16,814 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 16:50:16,842 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 16:50:16,842 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 16:50:16,842 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 16:50:16,843 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 16:50:16,843 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 16:50:16,843 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 16:50:16,843 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 16:50:16,843 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 16:50:16,865 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-08-18 16:50:16,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 16:50:16,874 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:50:16,875 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:50:16,876 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:50:16,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:50:16,881 INFO L82 PathProgramCache]: Analyzing trace with hash -2002333427, now seen corresponding path program 1 times [2020-08-18 16:50:16,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:50:16,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759011682] [2020-08-18 16:50:16,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:50:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:17,629 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:50:17,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:50:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:17,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:50:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:17,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:50:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:17,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:50:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:17,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:50:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:17,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 16:50:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:17,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 16:50:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:50:17,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759011682] [2020-08-18 16:50:17,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:50:17,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 16:50:17,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280538203] [2020-08-18 16:50:17,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 16:50:17,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:50:17,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 16:50:17,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 16:50:17,751 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 3 states. [2020-08-18 16:50:18,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:50:18,835 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2020-08-18 16:50:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 16:50:18,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 16:50:18,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:50:18,852 INFO L225 Difference]: With dead ends: 270 [2020-08-18 16:50:18,852 INFO L226 Difference]: Without dead ends: 147 [2020-08-18 16:50:18,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 16:50:18,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-08-18 16:50:19,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2020-08-18 16:50:19,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-18 16:50:19,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-08-18 16:50:19,019 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2020-08-18 16:50:19,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:50:19,020 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-08-18 16:50:19,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 16:50:19,021 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-08-18 16:50:19,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 16:50:19,028 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:50:19,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:50:19,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 16:50:19,029 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:50:19,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:50:19,029 INFO L82 PathProgramCache]: Analyzing trace with hash -736950579, now seen corresponding path program 1 times [2020-08-18 16:50:19,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:50:19,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [378972066] [2020-08-18 16:50:19,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:50:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:19,400 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:50:19,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:50:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:19,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:50:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:19,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:50:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:19,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:50:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:19,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:50:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:19,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 16:50:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:19,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 16:50:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:19,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:50:19,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [378972066] [2020-08-18 16:50:19,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:50:19,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 16:50:19,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306784607] [2020-08-18 16:50:19,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 16:50:19,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:50:19,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 16:50:19,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 16:50:19,446 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2020-08-18 16:50:19,891 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:50:20,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:50:20,544 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2020-08-18 16:50:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 16:50:20,545 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 16:50:20,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:50:20,550 INFO L225 Difference]: With dead ends: 193 [2020-08-18 16:50:20,550 INFO L226 Difference]: Without dead ends: 131 [2020-08-18 16:50:20,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 16:50:20,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-18 16:50:20,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2020-08-18 16:50:20,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-08-18 16:50:20,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-08-18 16:50:20,591 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-08-18 16:50:20,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:50:20,592 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-08-18 16:50:20,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 16:50:20,592 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-08-18 16:50:20,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 16:50:20,594 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:50:20,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:50:20,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 16:50:20,595 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:50:20,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:50:20,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1634875871, now seen corresponding path program 1 times [2020-08-18 16:50:20,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:50:20,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977018896] [2020-08-18 16:50:20,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:50:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:20,920 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:50:20,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:50:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:20,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:50:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:20,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:50:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:20,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:50:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:21,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:50:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:21,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 16:50:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:21,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 16:50:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:50:21,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977018896] [2020-08-18 16:50:21,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:50:21,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 16:50:21,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746489620] [2020-08-18 16:50:21,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 16:50:21,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:50:21,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 16:50:21,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 16:50:21,036 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 8 states. [2020-08-18 16:50:21,388 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:50:21,694 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:21,963 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:22,200 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:22,861 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:50:24,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:50:24,244 INFO L93 Difference]: Finished difference Result 366 states and 454 transitions. [2020-08-18 16:50:24,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 16:50:24,244 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 16:50:24,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:50:24,250 INFO L225 Difference]: With dead ends: 366 [2020-08-18 16:50:24,250 INFO L226 Difference]: Without dead ends: 285 [2020-08-18 16:50:24,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 16:50:24,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-08-18 16:50:24,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 224. [2020-08-18 16:50:24,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-08-18 16:50:24,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2020-08-18 16:50:24,330 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2020-08-18 16:50:24,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:50:24,331 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2020-08-18 16:50:24,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 16:50:24,331 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2020-08-18 16:50:24,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 16:50:24,333 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:50:24,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:50:24,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 16:50:24,334 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:50:24,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:50:24,334 INFO L82 PathProgramCache]: Analyzing trace with hash 186070900, now seen corresponding path program 1 times [2020-08-18 16:50:24,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:50:24,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067074897] [2020-08-18 16:50:24,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:50:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:24,647 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:50:24,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:50:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:24,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:50:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:24,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:50:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:24,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:50:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:24,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:50:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:24,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 16:50:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:24,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 16:50:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:24,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 16:50:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:24,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:50:24,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067074897] [2020-08-18 16:50:24,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:50:24,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 16:50:24,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362218510] [2020-08-18 16:50:24,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 16:50:24,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:50:24,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 16:50:24,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 16:50:24,731 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 8 states. [2020-08-18 16:50:25,220 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:50:26,294 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:26,624 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:26,886 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:27,109 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:50:27,468 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:50:28,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:50:28,213 INFO L93 Difference]: Finished difference Result 725 states and 949 transitions. [2020-08-18 16:50:28,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 16:50:28,214 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-18 16:50:28,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:50:28,220 INFO L225 Difference]: With dead ends: 725 [2020-08-18 16:50:28,221 INFO L226 Difference]: Without dead ends: 525 [2020-08-18 16:50:28,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 16:50:28,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2020-08-18 16:50:28,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 403. [2020-08-18 16:50:28,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-08-18 16:50:28,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 490 transitions. [2020-08-18 16:50:28,328 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 490 transitions. Word has length 57 [2020-08-18 16:50:28,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:50:28,329 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 490 transitions. [2020-08-18 16:50:28,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 16:50:28,329 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 490 transitions. [2020-08-18 16:50:28,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 16:50:28,333 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:50:28,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:50:28,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 16:50:28,333 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:50:28,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:50:28,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1322088904, now seen corresponding path program 1 times [2020-08-18 16:50:28,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:50:28,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762700597] [2020-08-18 16:50:28,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:50:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:28,605 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:50:28,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:50:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:28,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:50:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:28,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:50:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:28,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:50:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:28,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:50:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:28,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 16:50:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:28,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 16:50:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:28,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 16:50:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:28,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 16:50:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:50:28,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:50:28,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762700597] [2020-08-18 16:50:28,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:50:28,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 16:50:28,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29435350] [2020-08-18 16:50:28,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 16:50:28,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:50:28,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 16:50:28,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 16:50:28,725 INFO L87 Difference]: Start difference. First operand 403 states and 490 transitions. Second operand 9 states. [2020-08-18 16:50:29,123 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:50:30,071 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:30,330 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:30,567 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:50:30,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:50:30,965 INFO L93 Difference]: Finished difference Result 785 states and 1041 transitions. [2020-08-18 16:50:30,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 16:50:30,969 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-18 16:50:30,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:50:30,970 INFO L225 Difference]: With dead ends: 785 [2020-08-18 16:50:30,970 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 16:50:30,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-18 16:50:30,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 16:50:30,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 16:50:30,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 16:50:30,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 16:50:30,974 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-18 16:50:30,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:50:30,975 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 16:50:30,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 16:50:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 16:50:30,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 16:50:30,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 16:50:30,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 16:50:34,496 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 16:50:34,678 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:50:34,829 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 16:50:35,020 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:50:35,181 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:50:35,488 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-08-18 16:50:35,678 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:50:36,010 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 16:50:36,174 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 16:50:36,499 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 16:50:36,818 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 16:50:36,997 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:50:37,311 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 16:50:37,520 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 16:50:37,836 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 16:50:38,002 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:50:38,205 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 16:50:38,384 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:50:38,859 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-18 16:50:39,042 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 16:50:39,204 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 16:50:39,382 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 16:50:39,565 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 16:50:39,884 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 16:50:39,903 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-08-18 16:50:39,903 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 595) no Hoare annotation was computed. [2020-08-18 16:50:39,903 INFO L268 CegarLoopResult]: For program point L596(lines 573 597) no Hoare annotation was computed. [2020-08-18 16:50:39,904 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 549 604) no Hoare annotation was computed. [2020-08-18 16:50:39,904 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 549 604) no Hoare annotation was computed. [2020-08-18 16:50:39,904 INFO L268 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-08-18 16:50:39,904 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-08-18 16:50:39,904 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 549 604) no Hoare annotation was computed. [2020-08-18 16:50:39,904 INFO L268 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2020-08-18 16:50:39,905 INFO L268 CegarLoopResult]: For program point L637-1(lines 637 641) no Hoare annotation was computed. [2020-08-18 16:50:39,905 INFO L268 CegarLoopResult]: For program point L632(line 632) no Hoare annotation was computed. [2020-08-18 16:50:39,905 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 605 664) no Hoare annotation was computed. [2020-08-18 16:50:39,905 INFO L268 CegarLoopResult]: For program point L631-2(lines 631 656) no Hoare annotation was computed. [2020-08-18 16:50:39,905 INFO L268 CegarLoopResult]: For program point L657(lines 630 658) no Hoare annotation was computed. [2020-08-18 16:50:39,905 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 605 664) no Hoare annotation was computed. [2020-08-18 16:50:39,906 INFO L268 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-08-18 16:50:39,906 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 605 664) no Hoare annotation was computed. [2020-08-18 16:50:39,906 INFO L268 CegarLoopResult]: For program point L650-1(line 650) no Hoare annotation was computed. [2020-08-18 16:50:39,906 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 881 887) the Hoare annotation is: true [2020-08-18 16:50:39,906 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 881 887) no Hoare annotation was computed. [2020-08-18 16:50:39,906 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 888 896) no Hoare annotation was computed. [2020-08-18 16:50:39,906 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 888 896) the Hoare annotation is: true [2020-08-18 16:50:39,907 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 888 896) no Hoare annotation was computed. [2020-08-18 16:50:39,907 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 129 151) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:39,907 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 129 151) no Hoare annotation was computed. [2020-08-18 16:50:39,907 INFO L264 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:39,907 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 129 151) no Hoare annotation was computed. [2020-08-18 16:50:39,908 INFO L264 CegarLoopResult]: At program point L141-1(line 141) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:39,908 INFO L268 CegarLoopResult]: For program point L139(lines 139 146) no Hoare annotation was computed. [2020-08-18 16:50:39,908 INFO L268 CegarLoopResult]: For program point L139-1(lines 139 146) no Hoare annotation was computed. [2020-08-18 16:50:39,908 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-08-18 16:50:39,908 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:39,908 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:39,909 INFO L264 CegarLoopResult]: At program point L135-1(line 135) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:39,909 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 16:50:39,909 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-08-18 16:50:39,909 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 84 107) no Hoare annotation was computed. [2020-08-18 16:50:39,909 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-08-18 16:50:39,909 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 16:50:39,909 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-18 16:50:39,909 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 84 107) no Hoare annotation was computed. [2020-08-18 16:50:39,910 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-18 16:50:39,910 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 84 107) no Hoare annotation was computed. [2020-08-18 16:50:39,910 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 16:50:39,910 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-18 16:50:39,910 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-18 16:50:39,910 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-08-18 16:50:39,910 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-08-18 16:50:39,911 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 16:50:39,911 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-08-18 16:50:39,911 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-08-18 16:50:39,911 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 383 397) no Hoare annotation was computed. [2020-08-18 16:50:39,911 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 383 397) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 16:50:39,911 INFO L264 CegarLoopResult]: At program point L389(line 389) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 16:50:39,911 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 383 397) no Hoare annotation was computed. [2020-08-18 16:50:39,911 INFO L268 CegarLoopResult]: For program point L387(lines 387 393) no Hoare annotation was computed. [2020-08-18 16:50:39,911 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 319 327) no Hoare annotation was computed. [2020-08-18 16:50:39,911 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 319 327) the Hoare annotation is: true [2020-08-18 16:50:39,912 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 319 327) no Hoare annotation was computed. [2020-08-18 16:50:39,912 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 364 382) the Hoare annotation is: true [2020-08-18 16:50:39,912 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 364 382) no Hoare annotation was computed. [2020-08-18 16:50:39,912 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-08-18 16:50:39,912 INFO L271 CegarLoopResult]: At program point L371(line 371) the Hoare annotation is: true [2020-08-18 16:50:39,912 INFO L268 CegarLoopResult]: For program point L373-2(lines 373 377) no Hoare annotation was computed. [2020-08-18 16:50:39,912 INFO L268 CegarLoopResult]: For program point L371-1(line 371) no Hoare annotation was computed. [2020-08-18 16:50:39,912 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 364 382) no Hoare annotation was computed. [2020-08-18 16:50:39,912 INFO L268 CegarLoopResult]: For program point L347(lines 347 355) no Hoare annotation was computed. [2020-08-18 16:50:39,912 INFO L268 CegarLoopResult]: For program point L347-2(lines 347 355) no Hoare annotation was computed. [2020-08-18 16:50:39,912 INFO L268 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-08-18 16:50:39,912 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 328 363) no Hoare annotation was computed. [2020-08-18 16:50:39,913 INFO L268 CegarLoopResult]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2020-08-18 16:50:39,913 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 328 363) no Hoare annotation was computed. [2020-08-18 16:50:39,913 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-08-18 16:50:39,913 INFO L268 CegarLoopResult]: For program point L358-1(line 358) no Hoare annotation was computed. [2020-08-18 16:50:39,913 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 328 363) no Hoare annotation was computed. [2020-08-18 16:50:39,913 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 874 880) no Hoare annotation was computed. [2020-08-18 16:50:39,913 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 874 880) the Hoare annotation is: true [2020-08-18 16:50:39,913 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 503 548) no Hoare annotation was computed. [2020-08-18 16:50:39,913 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 503 548) no Hoare annotation was computed. [2020-08-18 16:50:39,913 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 503 548) no Hoare annotation was computed. [2020-08-18 16:50:39,913 INFO L268 CegarLoopResult]: For program point L830(lines 830 850) no Hoare annotation was computed. [2020-08-18 16:50:39,913 INFO L268 CegarLoopResult]: For program point L830-1(lines 830 850) no Hoare annotation was computed. [2020-08-18 16:50:39,914 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 816 861) no Hoare annotation was computed. [2020-08-18 16:50:39,914 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 816 861) no Hoare annotation was computed. [2020-08-18 16:50:39,914 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 816 861) no Hoare annotation was computed. [2020-08-18 16:50:39,914 INFO L268 CegarLoopResult]: For program point L836(lines 836 843) no Hoare annotation was computed. [2020-08-18 16:50:39,914 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 116 125) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:39,914 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 116 125) no Hoare annotation was computed. [2020-08-18 16:50:39,914 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 116 125) no Hoare annotation was computed. [2020-08-18 16:50:39,914 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 308 318) no Hoare annotation was computed. [2020-08-18 16:50:39,914 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 308 318) no Hoare annotation was computed. [2020-08-18 16:50:39,914 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-08-18 16:50:39,914 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-08-18 16:50:39,915 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 308 318) no Hoare annotation was computed. [2020-08-18 16:50:39,915 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 300 307) the Hoare annotation is: true [2020-08-18 16:50:39,915 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 300 307) no Hoare annotation was computed. [2020-08-18 16:50:39,915 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 300 307) no Hoare annotation was computed. [2020-08-18 16:50:39,915 INFO L264 CegarLoopResult]: At program point L286(line 286) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:50:39,915 INFO L268 CegarLoopResult]: For program point L286-1(lines 267 291) no Hoare annotation was computed. [2020-08-18 16:50:39,915 INFO L264 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:50:39,915 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 267 291) no Hoare annotation was computed. [2020-08-18 16:50:39,916 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:50:39,916 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 267 291) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:50:39,916 INFO L268 CegarLoopResult]: For program point L275(lines 275 283) no Hoare annotation was computed. [2020-08-18 16:50:39,916 INFO L264 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:50:39,916 INFO L268 CegarLoopResult]: For program point L273-1(line 273) no Hoare annotation was computed. [2020-08-18 16:50:39,916 INFO L268 CegarLoopResult]: For program point L271(lines 271 288) no Hoare annotation was computed. [2020-08-18 16:50:39,917 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 259 265) no Hoare annotation was computed. [2020-08-18 16:50:39,917 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 259 265) the Hoare annotation is: true [2020-08-18 16:50:39,917 INFO L264 CegarLoopResult]: At program point testENTRY(lines 155 222) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:39,917 INFO L264 CegarLoopResult]: At program point L215(lines 164 216) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:50:39,917 INFO L268 CegarLoopResult]: For program point testFINAL(lines 155 222) no Hoare annotation was computed. [2020-08-18 16:50:39,917 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:50:39,918 INFO L268 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2020-08-18 16:50:39,918 INFO L264 CegarLoopResult]: At program point L203-1(lines 195 210) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:50:39,918 INFO L268 CegarLoopResult]: For program point L166(lines 165 214) no Hoare annotation was computed. [2020-08-18 16:50:39,918 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:50:39,918 INFO L268 CegarLoopResult]: For program point L195(lines 195 210) no Hoare annotation was computed. [2020-08-18 16:50:39,918 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:50:39,918 INFO L268 CegarLoopResult]: For program point L185(lines 185 191) no Hoare annotation was computed. [2020-08-18 16:50:39,919 INFO L268 CegarLoopResult]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2020-08-18 16:50:39,919 INFO L264 CegarLoopResult]: At program point L212(lines 165 214) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:50:39,919 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:50:39,919 INFO L268 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2020-08-18 16:50:39,919 INFO L268 CegarLoopResult]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2020-08-18 16:50:39,919 INFO L268 CegarLoopResult]: For program point L167(lines 167 171) no Hoare annotation was computed. [2020-08-18 16:50:39,919 INFO L268 CegarLoopResult]: For program point testEXIT(lines 155 222) no Hoare annotation was computed. [2020-08-18 16:50:39,919 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 770 815) no Hoare annotation was computed. [2020-08-18 16:50:39,919 INFO L268 CegarLoopResult]: For program point L790(lines 790 797) no Hoare annotation was computed. [2020-08-18 16:50:39,919 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 770 815) no Hoare annotation was computed. [2020-08-18 16:50:39,919 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 770 815) no Hoare annotation was computed. [2020-08-18 16:50:39,920 INFO L268 CegarLoopResult]: For program point L784(lines 784 804) no Hoare annotation was computed. [2020-08-18 16:50:39,920 INFO L268 CegarLoopResult]: For program point L784-1(lines 784 804) no Hoare annotation was computed. [2020-08-18 16:50:39,920 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 487 495) no Hoare annotation was computed. [2020-08-18 16:50:39,920 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 487 495) the Hoare annotation is: true [2020-08-18 16:50:39,920 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 487 495) no Hoare annotation was computed. [2020-08-18 16:50:39,920 INFO L268 CegarLoopResult]: For program point L463(lines 463 471) no Hoare annotation was computed. [2020-08-18 16:50:39,920 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 471) no Hoare annotation was computed. [2020-08-18 16:50:39,920 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 455 477) no Hoare annotation was computed. [2020-08-18 16:50:39,920 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 455 477) no Hoare annotation was computed. [2020-08-18 16:50:39,920 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 455 477) no Hoare annotation was computed. [2020-08-18 16:50:39,920 INFO L268 CegarLoopResult]: For program point L737(lines 715 738) no Hoare annotation was computed. [2020-08-18 16:50:39,921 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 667 769) no Hoare annotation was computed. [2020-08-18 16:50:39,921 INFO L268 CegarLoopResult]: For program point L696(lines 696 712) no Hoare annotation was computed. [2020-08-18 16:50:39,921 INFO L268 CegarLoopResult]: For program point L756(lines 756 763) no Hoare annotation was computed. [2020-08-18 16:50:39,921 INFO L268 CegarLoopResult]: For program point L717(lines 716 736) no Hoare annotation was computed. [2020-08-18 16:50:39,921 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-08-18 16:50:39,921 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-08-18 16:50:39,921 INFO L268 CegarLoopResult]: For program point L713(lines 713 754) no Hoare annotation was computed. [2020-08-18 16:50:39,921 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 667 769) no Hoare annotation was computed. [2020-08-18 16:50:39,921 INFO L268 CegarLoopResult]: For program point L732(line 732) no Hoare annotation was computed. [2020-08-18 16:50:39,921 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-08-18 16:50:39,921 INFO L268 CegarLoopResult]: For program point L691(lines 691 695) no Hoare annotation was computed. [2020-08-18 16:50:39,921 INFO L268 CegarLoopResult]: For program point L755(lines 755 766) no Hoare annotation was computed. [2020-08-18 16:50:39,922 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 667 769) no Hoare annotation was computed. [2020-08-18 16:50:39,922 INFO L268 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-08-18 16:50:39,922 INFO L268 CegarLoopResult]: For program point L716-2(lines 716 736) no Hoare annotation was computed. [2020-08-18 16:50:39,922 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 864 873) no Hoare annotation was computed. [2020-08-18 16:50:39,922 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 864 873) no Hoare annotation was computed. [2020-08-18 16:50:39,922 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 864 873) no Hoare annotation was computed. [2020-08-18 16:50:39,922 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:50:39,923 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 16:50:39,923 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:50:39,923 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 292 299) no Hoare annotation was computed. [2020-08-18 16:50:39,923 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 292 299) no Hoare annotation was computed. [2020-08-18 16:50:39,923 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 292 299) no Hoare annotation was computed. [2020-08-18 16:50:39,923 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 478 486) no Hoare annotation was computed. [2020-08-18 16:50:39,923 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 478 486) no Hoare annotation was computed. [2020-08-18 16:50:39,923 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 478 486) no Hoare annotation was computed. [2020-08-18 16:50:39,923 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 434 445) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 16:50:39,923 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 434 445) no Hoare annotation was computed. [2020-08-18 16:50:39,923 INFO L268 CegarLoopResult]: For program point L438-1(lines 434 445) no Hoare annotation was computed. [2020-08-18 16:50:39,924 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:50:39,924 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 16:50:39,924 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:50:39,924 INFO L264 CegarLoopResult]: At program point L248(line 248) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:50:39,924 INFO L264 CegarLoopResult]: At program point L246(lines 246 252) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:50:39,924 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 16:50:39,924 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 235 258) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:50:39,924 INFO L268 CegarLoopResult]: For program point L239(lines 238 257) no Hoare annotation was computed. [2020-08-18 16:50:39,924 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 235 258) no Hoare annotation was computed. [2020-08-18 16:50:39,924 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 235 258) no Hoare annotation was computed. [2020-08-18 16:50:39,925 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-08-18 16:50:39,925 INFO L271 CegarLoopResult]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2020-08-18 16:50:39,925 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2020-08-18 16:50:39,925 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-08-18 16:50:39,925 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2020-08-18 16:50:39,925 INFO L271 CegarLoopResult]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2020-08-18 16:50:39,925 INFO L271 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: true [2020-08-18 16:50:39,925 INFO L268 CegarLoopResult]: For program point L57-1(line 57) no Hoare annotation was computed. [2020-08-18 16:50:39,925 INFO L271 CegarLoopResult]: At program point L76(lines 51 80) the Hoare annotation is: true [2020-08-18 16:50:39,926 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-08-18 16:50:39,926 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 446 454) the Hoare annotation is: true [2020-08-18 16:50:39,926 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 446 454) no Hoare annotation was computed. [2020-08-18 16:50:39,926 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 446 454) no Hoare annotation was computed. [2020-08-18 16:50:39,926 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 410 421) the Hoare annotation is: true [2020-08-18 16:50:39,926 INFO L268 CegarLoopResult]: For program point L414-1(lines 410 421) no Hoare annotation was computed. [2020-08-18 16:50:39,926 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 410 421) no Hoare annotation was computed. [2020-08-18 16:50:39,926 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2020-08-18 16:50:39,927 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2020-08-18 16:50:39,927 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:50:39,927 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 16:50:39,927 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 16:50:39,927 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:50:39,927 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 398 405) no Hoare annotation was computed. [2020-08-18 16:50:39,927 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 398 405) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-18 16:50:39,928 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 398 405) no Hoare annotation was computed. [2020-08-18 16:50:39,928 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 422 433) no Hoare annotation was computed. [2020-08-18 16:50:39,928 INFO L268 CegarLoopResult]: For program point L426-1(lines 422 433) no Hoare annotation was computed. [2020-08-18 16:50:39,928 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 422 433) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 16:50:39,928 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-18 16:50:39,928 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-18 16:50:39,928 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-18 16:50:39,929 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-18 16:50:39,929 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 898 922) the Hoare annotation is: true [2020-08-18 16:50:39,929 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 898 922) no Hoare annotation was computed. [2020-08-18 16:50:39,929 INFO L264 CegarLoopResult]: At program point L912(line 912) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 16:50:39,929 INFO L268 CegarLoopResult]: For program point L910(lines 910 916) no Hoare annotation was computed. [2020-08-18 16:50:39,929 INFO L264 CegarLoopResult]: At program point L908(line 908) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 16:50:39,929 INFO L268 CegarLoopResult]: For program point L908-1(line 908) no Hoare annotation was computed. [2020-08-18 16:50:39,929 INFO L268 CegarLoopResult]: For program point L906(lines 906 919) no Hoare annotation was computed. [2020-08-18 16:50:39,930 INFO L268 CegarLoopResult]: For program point L906-1(lines 898 922) no Hoare annotation was computed. [2020-08-18 16:50:39,930 INFO L271 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: true [2020-08-18 16:50:39,930 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-08-18 16:50:39,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 04:50:39 BoogieIcfgContainer [2020-08-18 16:50:39,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 16:50:39,949 INFO L168 Benchmark]: Toolchain (without parser) took 25118.68 ms. Allocated memory was 147.3 MB in the beginning and 641.2 MB in the end (delta: 493.9 MB). Free memory was 102.1 MB in the beginning and 305.9 MB in the end (delta: -203.8 MB). Peak memory consumption was 476.6 MB. Max. memory is 7.1 GB. [2020-08-18 16:50:39,950 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 16:50:39,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.52 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 173.3 MB in the end (delta: -71.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-08-18 16:50:39,952 INFO L168 Benchmark]: Boogie Preprocessor took 88.59 ms. Allocated memory is still 205.0 MB. Free memory was 173.3 MB in the beginning and 169.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-18 16:50:39,952 INFO L168 Benchmark]: RCFGBuilder took 1192.08 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 169.2 MB in the beginning and 198.6 MB in the end (delta: -29.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-08-18 16:50:39,953 INFO L168 Benchmark]: TraceAbstraction took 23179.50 ms. Allocated memory was 236.5 MB in the beginning and 641.2 MB in the end (delta: 404.8 MB). Free memory was 197.2 MB in the beginning and 305.9 MB in the end (delta: -108.7 MB). Peak memory consumption was 482.5 MB. Max. memory is 7.1 GB. [2020-08-18 16:50:39,957 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.52 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 173.3 MB in the end (delta: -71.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.59 ms. Allocated memory is still 205.0 MB. Free memory was 173.3 MB in the beginning and 169.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1192.08 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 169.2 MB in the beginning and 198.6 MB in the end (delta: -29.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23179.50 ms. Allocated memory was 236.5 MB in the beginning and 641.2 MB in the end (delta: 404.8 MB). Free memory was 197.2 MB in the beginning and 305.9 MB in the end (delta: -108.7 MB). Peak memory consumption was 482.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 500 SDtfs, 740 SDslu, 464 SDs, 0 SdLazy, 2159 SolverSat, 481 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=403occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 505 PreInvPairs, 608 NumberOfFragments, 705 HoareAnnotationTreeSize, 505 FomulaSimplifications, 108835 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 17276 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 73758 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...