/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=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:38:32,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 17:38:32,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 17:38:32,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 17:38:32,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 17:38:32,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 17:38:32,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 17:38:32,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 17:38:32,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 17:38:32,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 17:38:32,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 17:38:32,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 17:38:32,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 17:38:32,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 17:38:32,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 17:38:32,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 17:38:32,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 17:38:32,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 17:38:32,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 17:38:32,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 17:38:32,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 17:38:32,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 17:38:32,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 17:38:32,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 17:38:32,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 17:38:32,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 17:38:32,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 17:38:32,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 17:38:32,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 17:38:32,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 17:38:32,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 17:38:32,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 17:38:32,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 17:38:32,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 17:38:32,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 17:38:32,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 17:38:32,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 17:38:32,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 17:38:32,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:38:32,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:38:32,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:38:32,666 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 17:38:32,691 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:38:32,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:38:32,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:38:32,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:38:32,696 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:38:32,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:38:32,697 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:38:32,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:38:32,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:38:32,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:38:32,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:38:32,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:38:32,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:38:32,700 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:38:32,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:38:32,701 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:38:32,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:38:32,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:38:32,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:38:32,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:38:32,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:38:32,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:38:32,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:38:32,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:38:32,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:38:32,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:38:32,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:38:32,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:38:32,707 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:38:32,707 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=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 17:38:33,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:38:33,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:38:33,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:38:33,049 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:38:33,050 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:38:33,050 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2020-08-18 17:38:33,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11a865c9d/26539dc347744a9698c80fae10bf377b/FLAGacdb86005 [2020-08-18 17:38:33,728 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:38:33,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2020-08-18 17:38:33,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11a865c9d/26539dc347744a9698c80fae10bf377b/FLAGacdb86005 [2020-08-18 17:38:33,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11a865c9d/26539dc347744a9698c80fae10bf377b [2020-08-18 17:38:33,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:38:33,970 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:38:33,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:38:33,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:38:33,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:38:33,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:38:33" (1/1) ... [2020-08-18 17:38:33,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e33fb78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:33, skipping insertion in model container [2020-08-18 17:38:33,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:38:33" (1/1) ... [2020-08-18 17:38:33,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:38:34,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:38:34,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:38:34,367 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:38:34,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:38:34,637 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:38:34,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:34 WrapperNode [2020-08-18 17:38:34,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:38:34,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:38:34,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:38:34,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:38:34,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:34" (1/1) ... [2020-08-18 17:38:34,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:34" (1/1) ... [2020-08-18 17:38:34,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:34" (1/1) ... [2020-08-18 17:38:34,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:34" (1/1) ... [2020-08-18 17:38:34,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:34" (1/1) ... [2020-08-18 17:38:34,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:34" (1/1) ... [2020-08-18 17:38:34,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:34" (1/1) ... [2020-08-18 17:38:34,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:38:34,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:38:34,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:38:34,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:38:34,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:34" (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 17:38:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:38:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:38:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 17:38:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 17:38:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 17:38:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 17:38:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 17:38:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 17:38:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 17:38:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 17:38:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 17:38:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 17:38:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 17:38:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 17:38:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 17:38:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 17:38:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 17:38:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 17:38:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 17:38:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 17:38:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 17:38:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 17:38:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 17:38:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 17:38:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 17:38:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 17:38:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:38:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 17:38:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 17:38:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 17:38:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 17:38:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 17:38:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 17:38:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 17:38:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 17:38:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 17:38:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 17:38:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 17:38:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:38:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:38:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 17:38:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 17:38:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 17:38:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 17:38:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 17:38:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 17:38:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 17:38:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 17:38:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 17:38:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 17:38:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 17:38:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 17:38:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 17:38:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 17:38:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 17:38:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 17:38:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 17:38:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 17:38:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 17:38:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 17:38:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 17:38:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 17:38:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 17:38:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 17:38:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 17:38:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 17:38:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 17:38:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 17:38:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 17:38:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 17:38:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 17:38:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 17:38:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 17:38:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 17:38:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 17:38:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 17:38:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 17:38:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 17:38:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 17:38:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:38:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 17:38:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 17:38:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 17:38:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 17:38:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 17:38:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 17:38:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 17:38:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:38:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 17:38:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:38:35,892 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:38:35,893 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 17:38:35,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:38:35 BoogieIcfgContainer [2020-08-18 17:38:35,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:38:35,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:38:35,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:38:35,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:38:35,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:38:33" (1/3) ... [2020-08-18 17:38:35,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cd60ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:38:35, skipping insertion in model container [2020-08-18 17:38:35,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:34" (2/3) ... [2020-08-18 17:38:35,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cd60ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:38:35, skipping insertion in model container [2020-08-18 17:38:35,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:38:35" (3/3) ... [2020-08-18 17:38:35,907 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2020-08-18 17:38:35,918 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:38:35,927 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:38:35,943 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:38:35,968 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:38:35,968 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:38:35,969 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:38:35,969 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:38:35,969 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:38:35,969 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:38:35,970 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:38:35,970 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:38:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-08-18 17:38:36,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 17:38:36,002 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:36,003 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 17:38:36,003 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:36,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:36,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1656693651, now seen corresponding path program 1 times [2020-08-18 17:38:36,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:36,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468101780] [2020-08-18 17:38:36,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,748 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:36,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 17:38:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 17:38:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,836 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 17:38:36,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468101780] [2020-08-18 17:38:36,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:36,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 17:38:36,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33244423] [2020-08-18 17:38:36,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 17:38:36,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:36,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 17:38:36,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 17:38:36,866 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 3 states. [2020-08-18 17:38:37,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:37,891 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2020-08-18 17:38:37,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 17:38:37,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 17:38:37,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:37,910 INFO L225 Difference]: With dead ends: 261 [2020-08-18 17:38:37,910 INFO L226 Difference]: Without dead ends: 142 [2020-08-18 17:38:37,915 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 17:38:37,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-08-18 17:38:38,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-08-18 17:38:38,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-18 17:38:38,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-08-18 17:38:38,028 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-08-18 17:38:38,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:38,029 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-08-18 17:38:38,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 17:38:38,029 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-08-18 17:38:38,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 17:38:38,032 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:38,033 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 17:38:38,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:38:38,033 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:38,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:38,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1393271361, now seen corresponding path program 1 times [2020-08-18 17:38:38,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:38,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488984244] [2020-08-18 17:38:38,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:38,354 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:38,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:38,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:38,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:38,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:38,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:38,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 17:38:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:38,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 17:38:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:38,396 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 17:38:38,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488984244] [2020-08-18 17:38:38,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:38,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 17:38:38,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770388803] [2020-08-18 17:38:38,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 17:38:38,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:38,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 17:38:38,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 17:38:38,400 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2020-08-18 17:38:38,818 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:38:39,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:39,510 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2020-08-18 17:38:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 17:38:39,511 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 17:38:39,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:39,515 INFO L225 Difference]: With dead ends: 188 [2020-08-18 17:38:39,515 INFO L226 Difference]: Without dead ends: 126 [2020-08-18 17:38:39,517 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 17:38:39,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-08-18 17:38:39,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2020-08-18 17:38:39,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-08-18 17:38:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-08-18 17:38:39,552 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-08-18 17:38:39,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:39,553 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-08-18 17:38:39,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 17:38:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-08-18 17:38:39,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 17:38:39,555 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:39,555 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:39,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 17:38:39,555 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:39,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:39,556 INFO L82 PathProgramCache]: Analyzing trace with hash -618356964, now seen corresponding path program 1 times [2020-08-18 17:38:39,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:39,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631301944] [2020-08-18 17:38:39,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,847 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:39,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 17:38:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 17:38:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,993 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 17:38:39,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [631301944] [2020-08-18 17:38:39,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:39,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 17:38:39,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666071147] [2020-08-18 17:38:39,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:38:39,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:39,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:38:39,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:38:39,998 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 8 states. [2020-08-18 17:38:40,354 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:40,639 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:40,918 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:41,148 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:41,823 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:38:43,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:43,146 INFO L93 Difference]: Finished difference Result 351 states and 437 transitions. [2020-08-18 17:38:43,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 17:38:43,148 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 17:38:43,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:43,151 INFO L225 Difference]: With dead ends: 351 [2020-08-18 17:38:43,152 INFO L226 Difference]: Without dead ends: 274 [2020-08-18 17:38:43,153 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 17:38:43,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-08-18 17:38:43,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 220. [2020-08-18 17:38:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-18 17:38:43,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2020-08-18 17:38:43,223 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2020-08-18 17:38:43,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:43,223 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2020-08-18 17:38:43,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:38:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2020-08-18 17:38:43,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 17:38:43,226 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:43,226 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 17:38:43,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 17:38:43,227 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:43,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:43,227 INFO L82 PathProgramCache]: Analyzing trace with hash -984041994, now seen corresponding path program 1 times [2020-08-18 17:38:43,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:43,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666272821] [2020-08-18 17:38:43,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,504 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:43,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 17:38:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 17:38:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 17:38:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,587 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 17:38:43,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [666272821] [2020-08-18 17:38:43,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:43,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 17:38:43,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870804993] [2020-08-18 17:38:43,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:38:43,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:43,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:38:43,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:38:43,590 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 8 states. [2020-08-18 17:38:43,933 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:44,925 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:45,252 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:45,499 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:45,715 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:46,055 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:38:46,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:46,789 INFO L93 Difference]: Finished difference Result 710 states and 931 transitions. [2020-08-18 17:38:46,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 17:38:46,790 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-18 17:38:46,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:46,797 INFO L225 Difference]: With dead ends: 710 [2020-08-18 17:38:46,797 INFO L226 Difference]: Without dead ends: 514 [2020-08-18 17:38:46,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 17:38:46,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-08-18 17:38:46,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 395. [2020-08-18 17:38:46,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-08-18 17:38:46,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 482 transitions. [2020-08-18 17:38:46,912 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 482 transitions. Word has length 57 [2020-08-18 17:38:46,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:46,912 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 482 transitions. [2020-08-18 17:38:46,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:38:46,913 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 482 transitions. [2020-08-18 17:38:46,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 17:38:46,916 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:46,916 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 17:38:46,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 17:38:46,917 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:46,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:46,917 INFO L82 PathProgramCache]: Analyzing trace with hash 348635386, now seen corresponding path program 1 times [2020-08-18 17:38:46,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:46,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [463586101] [2020-08-18 17:38:46,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:47,258 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:47,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:47,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:47,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:47,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:47,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:47,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 17:38:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:47,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 17:38:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:47,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 17:38:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:47,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 17:38:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:47,403 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 17:38:47,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [463586101] [2020-08-18 17:38:47,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:47,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 17:38:47,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917665632] [2020-08-18 17:38:47,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 17:38:47,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:47,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 17:38:47,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 17:38:47,407 INFO L87 Difference]: Start difference. First operand 395 states and 482 transitions. Second operand 9 states. [2020-08-18 17:38:47,808 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:48,665 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:48,940 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:49,181 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:49,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:49,498 INFO L93 Difference]: Finished difference Result 725 states and 942 transitions. [2020-08-18 17:38:49,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 17:38:49,498 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-18 17:38:49,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:49,499 INFO L225 Difference]: With dead ends: 725 [2020-08-18 17:38:49,500 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 17:38:49,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-18 17:38:49,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 17:38:49,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 17:38:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 17:38:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 17:38:49,505 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-18 17:38:49,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:49,505 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 17:38:49,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 17:38:49,506 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 17:38:49,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 17:38:49,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 17:38:49,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 17:38:52,213 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 17:38:52,387 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:52,694 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 17:38:52,846 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 17:38:53,037 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 17:38:53,224 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 17:38:53,415 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:53,728 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 17:38:53,881 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 17:38:54,177 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 17:38:54,497 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 17:38:54,948 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-18 17:38:55,111 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:55,274 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:55,604 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 17:38:55,775 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:55,965 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 17:38:56,169 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 17:38:56,333 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:56,496 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:56,706 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 17:38:57,032 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 17:38:57,217 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 17:38:57,231 INFO L268 CegarLoopResult]: For program point L256(lines 256 260) no Hoare annotation was computed. [2020-08-18 17:38:57,231 INFO L268 CegarLoopResult]: For program point L256-1(lines 256 260) no Hoare annotation was computed. [2020-08-18 17:38:57,231 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-08-18 17:38:57,232 INFO L268 CegarLoopResult]: For program point L250-2(lines 250 271) no Hoare annotation was computed. [2020-08-18 17:38:57,232 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 225 280) no Hoare annotation was computed. [2020-08-18 17:38:57,232 INFO L268 CegarLoopResult]: For program point L272(lines 249 273) no Hoare annotation was computed. [2020-08-18 17:38:57,232 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 225 280) no Hoare annotation was computed. [2020-08-18 17:38:57,232 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 225 280) no Hoare annotation was computed. [2020-08-18 17:38:57,232 INFO L268 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2020-08-18 17:38:57,232 INFO L268 CegarLoopResult]: For program point L313-1(lines 313 317) no Hoare annotation was computed. [2020-08-18 17:38:57,233 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 281 340) no Hoare annotation was computed. [2020-08-18 17:38:57,233 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-08-18 17:38:57,233 INFO L268 CegarLoopResult]: For program point L307-2(lines 307 332) no Hoare annotation was computed. [2020-08-18 17:38:57,233 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 281 340) no Hoare annotation was computed. [2020-08-18 17:38:57,233 INFO L268 CegarLoopResult]: For program point L333(lines 306 334) no Hoare annotation was computed. [2020-08-18 17:38:57,233 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 281 340) no Hoare annotation was computed. [2020-08-18 17:38:57,233 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-08-18 17:38:57,233 INFO L268 CegarLoopResult]: For program point L326-1(line 326) no Hoare annotation was computed. [2020-08-18 17:38:57,233 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 560 566) the Hoare annotation is: true [2020-08-18 17:38:57,234 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 560 566) no Hoare annotation was computed. [2020-08-18 17:38:57,234 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 567 575) no Hoare annotation was computed. [2020-08-18 17:38:57,234 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 567 575) the Hoare annotation is: true [2020-08-18 17:38:57,234 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 567 575) no Hoare annotation was computed. [2020-08-18 17:38:57,234 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 652 674) 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 17:38:57,234 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 652 674) no Hoare annotation was computed. [2020-08-18 17:38:57,234 INFO L264 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~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 17:38:57,235 INFO L264 CegarLoopResult]: At program point L664-1(line 664) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~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 17:38:57,235 INFO L268 CegarLoopResult]: For program point L662(lines 662 669) no Hoare annotation was computed. [2020-08-18 17:38:57,235 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 669) no Hoare annotation was computed. [2020-08-18 17:38:57,235 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-08-18 17:38:57,235 INFO L264 CegarLoopResult]: At program point L659(line 659) 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 17:38:57,235 INFO L264 CegarLoopResult]: At program point L658(line 658) 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 17:38:57,236 INFO L264 CegarLoopResult]: At program point L658-1(line 658) 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 17:38:57,236 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 652 674) no Hoare annotation was computed. [2020-08-18 17:38:57,236 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 610 633) no Hoare annotation was computed. [2020-08-18 17:38:57,236 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 610 633) no Hoare annotation was computed. [2020-08-18 17:38:57,236 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 610 633) no Hoare annotation was computed. [2020-08-18 17:38:57,236 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-08-18 17:38:57,236 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-08-18 17:38:57,237 INFO L268 CegarLoopResult]: For program point L626(line 626) no Hoare annotation was computed. [2020-08-18 17:38:57,237 INFO L268 CegarLoopResult]: For program point L625(line 625) no Hoare annotation was computed. [2020-08-18 17:38:57,237 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-08-18 17:38:57,237 INFO L268 CegarLoopResult]: For program point L623(line 623) no Hoare annotation was computed. [2020-08-18 17:38:57,237 INFO L268 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-08-18 17:38:57,237 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-08-18 17:38:57,237 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-08-18 17:38:57,238 INFO L268 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-08-18 17:38:57,238 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-08-18 17:38:57,238 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-08-18 17:38:57,238 INFO L268 CegarLoopResult]: For program point L616(line 616) no Hoare annotation was computed. [2020-08-18 17:38:57,238 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-08-18 17:38:57,238 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2020-08-18 17:38:57,238 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 830 844) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 17:38:57,238 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 830 844) no Hoare annotation was computed. [2020-08-18 17:38:57,238 INFO L264 CegarLoopResult]: At program point L836(line 836) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 17:38:57,239 INFO L268 CegarLoopResult]: For program point L834(lines 834 840) no Hoare annotation was computed. [2020-08-18 17:38:57,239 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2020-08-18 17:38:57,239 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2020-08-18 17:38:57,239 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 766 774) no Hoare annotation was computed. [2020-08-18 17:38:57,239 INFO L268 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-08-18 17:38:57,239 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2020-08-18 17:38:57,239 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2020-08-18 17:38:57,239 INFO L268 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2020-08-18 17:38:57,239 INFO L271 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: true [2020-08-18 17:38:57,239 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2020-08-18 17:38:57,240 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 811 829) no Hoare annotation was computed. [2020-08-18 17:38:57,240 INFO L268 CegarLoopResult]: For program point L794(lines 794 802) no Hoare annotation was computed. [2020-08-18 17:38:57,240 INFO L268 CegarLoopResult]: For program point L794-2(lines 794 802) no Hoare annotation was computed. [2020-08-18 17:38:57,240 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 775 810) no Hoare annotation was computed. [2020-08-18 17:38:57,240 INFO L268 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-08-18 17:38:57,240 INFO L268 CegarLoopResult]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2020-08-18 17:38:57,240 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 775 810) no Hoare annotation was computed. [2020-08-18 17:38:57,240 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-08-18 17:38:57,240 INFO L268 CegarLoopResult]: For program point L805-1(line 805) no Hoare annotation was computed. [2020-08-18 17:38:57,240 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 775 810) no Hoare annotation was computed. [2020-08-18 17:38:57,241 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 553 559) no Hoare annotation was computed. [2020-08-18 17:38:57,241 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 553 559) the Hoare annotation is: true [2020-08-18 17:38:57,241 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 179 224) no Hoare annotation was computed. [2020-08-18 17:38:57,241 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 179 224) no Hoare annotation was computed. [2020-08-18 17:38:57,241 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 179 224) no Hoare annotation was computed. [2020-08-18 17:38:57,241 INFO L268 CegarLoopResult]: For program point L512(lines 512 519) no Hoare annotation was computed. [2020-08-18 17:38:57,241 INFO L268 CegarLoopResult]: For program point L506(lines 506 526) no Hoare annotation was computed. [2020-08-18 17:38:57,241 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 492 537) no Hoare annotation was computed. [2020-08-18 17:38:57,242 INFO L268 CegarLoopResult]: For program point L506-1(lines 506 526) no Hoare annotation was computed. [2020-08-18 17:38:57,242 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 492 537) no Hoare annotation was computed. [2020-08-18 17:38:57,242 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 492 537) no Hoare annotation was computed. [2020-08-18 17:38:57,242 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 642 651) 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 17:38:57,242 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 642 651) no Hoare annotation was computed. [2020-08-18 17:38:57,242 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 642 651) no Hoare annotation was computed. [2020-08-18 17:38:57,242 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 755 765) no Hoare annotation was computed. [2020-08-18 17:38:57,242 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 755 765) no Hoare annotation was computed. [2020-08-18 17:38:57,243 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-08-18 17:38:57,243 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-08-18 17:38:57,243 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 755 765) no Hoare annotation was computed. [2020-08-18 17:38:57,243 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2020-08-18 17:38:57,243 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2020-08-18 17:38:57,243 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2020-08-18 17:38:57,243 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:57,243 INFO L268 CegarLoopResult]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2020-08-18 17:38:57,244 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:57,244 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2020-08-18 17:38:57,244 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:57,244 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:57,244 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-08-18 17:38:57,244 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:57,244 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-08-18 17:38:57,244 INFO L268 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2020-08-18 17:38:57,245 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2020-08-18 17:38:57,245 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2020-08-18 17:38:57,245 INFO L264 CegarLoopResult]: At program point testENTRY(lines 846 911) 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 17:38:57,245 INFO L264 CegarLoopResult]: At program point L894(line 894) 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 17:38:57,245 INFO L268 CegarLoopResult]: For program point L892(lines 892 898) no Hoare annotation was computed. [2020-08-18 17:38:57,245 INFO L264 CegarLoopResult]: At program point L892-1(lines 886 899) 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 17:38:57,245 INFO L268 CegarLoopResult]: For program point L857(lines 856 903) no Hoare annotation was computed. [2020-08-18 17:38:57,246 INFO L268 CegarLoopResult]: For program point testFINAL(lines 846 911) no Hoare annotation was computed. [2020-08-18 17:38:57,246 INFO L268 CegarLoopResult]: For program point L886(lines 886 899) no Hoare annotation was computed. [2020-08-18 17:38:57,246 INFO L264 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:38:57,246 INFO L268 CegarLoopResult]: For program point L876(lines 876 882) no Hoare annotation was computed. [2020-08-18 17:38:57,246 INFO L268 CegarLoopResult]: For program point L876-1(lines 876 882) no Hoare annotation was computed. [2020-08-18 17:38:57,246 INFO L264 CegarLoopResult]: At program point L901(lines 856 903) 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 17:38:57,246 INFO L264 CegarLoopResult]: At program point L868(line 868) 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 17:38:57,247 INFO L268 CegarLoopResult]: For program point L866(lines 866 872) no Hoare annotation was computed. [2020-08-18 17:38:57,247 INFO L268 CegarLoopResult]: For program point L866-1(lines 866 872) no Hoare annotation was computed. [2020-08-18 17:38:57,247 INFO L268 CegarLoopResult]: For program point L858(lines 858 862) no Hoare annotation was computed. [2020-08-18 17:38:57,247 INFO L264 CegarLoopResult]: At program point L904(lines 855 905) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:57,247 INFO L268 CegarLoopResult]: For program point testEXIT(lines 846 911) no Hoare annotation was computed. [2020-08-18 17:38:57,247 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 446 491) no Hoare annotation was computed. [2020-08-18 17:38:57,247 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 446 491) no Hoare annotation was computed. [2020-08-18 17:38:57,247 INFO L268 CegarLoopResult]: For program point L466(lines 466 473) no Hoare annotation was computed. [2020-08-18 17:38:57,248 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 446 491) no Hoare annotation was computed. [2020-08-18 17:38:57,248 INFO L268 CegarLoopResult]: For program point L460(lines 460 480) no Hoare annotation was computed. [2020-08-18 17:38:57,248 INFO L268 CegarLoopResult]: For program point L460-1(lines 460 480) no Hoare annotation was computed. [2020-08-18 17:38:57,248 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 163 171) no Hoare annotation was computed. [2020-08-18 17:38:57,248 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 163 171) the Hoare annotation is: true [2020-08-18 17:38:57,248 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 163 171) no Hoare annotation was computed. [2020-08-18 17:38:57,248 INFO L268 CegarLoopResult]: For program point L139(lines 139 147) no Hoare annotation was computed. [2020-08-18 17:38:57,248 INFO L268 CegarLoopResult]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2020-08-18 17:38:57,249 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2020-08-18 17:38:57,249 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2020-08-18 17:38:57,249 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 131 153) no Hoare annotation was computed. [2020-08-18 17:38:57,249 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 343 445) no Hoare annotation was computed. [2020-08-18 17:38:57,249 INFO L268 CegarLoopResult]: For program point L413(lines 391 414) no Hoare annotation was computed. [2020-08-18 17:38:57,249 INFO L268 CegarLoopResult]: For program point L372(lines 372 388) no Hoare annotation was computed. [2020-08-18 17:38:57,249 INFO L268 CegarLoopResult]: For program point L432(lines 432 439) no Hoare annotation was computed. [2020-08-18 17:38:57,249 INFO L268 CegarLoopResult]: For program point L393(lines 392 412) no Hoare annotation was computed. [2020-08-18 17:38:57,250 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-18 17:38:57,250 INFO L268 CegarLoopResult]: For program point L424-1(line 424) no Hoare annotation was computed. [2020-08-18 17:38:57,250 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 343 445) no Hoare annotation was computed. [2020-08-18 17:38:57,250 INFO L268 CegarLoopResult]: For program point L389(lines 389 430) no Hoare annotation was computed. [2020-08-18 17:38:57,250 INFO L268 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-08-18 17:38:57,250 INFO L268 CegarLoopResult]: For program point L408-1(line 408) no Hoare annotation was computed. [2020-08-18 17:38:57,250 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 343 445) no Hoare annotation was computed. [2020-08-18 17:38:57,250 INFO L268 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-08-18 17:38:57,251 INFO L268 CegarLoopResult]: For program point L431(lines 431 442) no Hoare annotation was computed. [2020-08-18 17:38:57,251 INFO L268 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-08-18 17:38:57,251 INFO L268 CegarLoopResult]: For program point L392-2(lines 392 412) no Hoare annotation was computed. [2020-08-18 17:38:57,251 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 543 552) no Hoare annotation was computed. [2020-08-18 17:38:57,251 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 543 552) no Hoare annotation was computed. [2020-08-18 17:38:57,251 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 543 552) no Hoare annotation was computed. [2020-08-18 17:38:57,251 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:57,252 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.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~string43.offset| |old(#t~string43.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 17:38:57,252 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:57,252 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 739 746) no Hoare annotation was computed. [2020-08-18 17:38:57,252 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2020-08-18 17:38:57,252 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 739 746) no Hoare annotation was computed. [2020-08-18 17:38:57,252 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 154 162) no Hoare annotation was computed. [2020-08-18 17:38:57,253 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2020-08-18 17:38:57,253 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2020-08-18 17:38:57,253 INFO L268 CegarLoopResult]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2020-08-18 17:38:57,253 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 17:38:57,253 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2020-08-18 17:38:57,253 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:57,253 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 17:38:57,253 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:57,253 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2020-08-18 17:38:57,254 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2020-08-18 17:38:57,254 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2020-08-18 17:38:57,254 INFO L264 CegarLoopResult]: At program point L695(line 695) 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 17:38:57,254 INFO L264 CegarLoopResult]: At program point L693(lines 693 699) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:57,254 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 17:38:57,254 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:57,254 INFO L268 CegarLoopResult]: For program point L686(lines 685 704) no Hoare annotation was computed. [2020-08-18 17:38:57,254 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2020-08-18 17:38:57,255 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2020-08-18 17:38:57,255 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 579 608) no Hoare annotation was computed. [2020-08-18 17:38:57,255 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 579 608) the Hoare annotation is: true [2020-08-18 17:38:57,255 INFO L271 CegarLoopResult]: At program point L604(lines 579 608) the Hoare annotation is: true [2020-08-18 17:38:57,255 INFO L268 CegarLoopResult]: For program point L600(line 600) no Hoare annotation was computed. [2020-08-18 17:38:57,255 INFO L268 CegarLoopResult]: For program point L593(lines 593 597) no Hoare annotation was computed. [2020-08-18 17:38:57,255 INFO L271 CegarLoopResult]: At program point L593-1(lines 593 597) the Hoare annotation is: true [2020-08-18 17:38:57,255 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-08-18 17:38:57,255 INFO L271 CegarLoopResult]: At program point L589-2(lines 589 603) the Hoare annotation is: true [2020-08-18 17:38:57,256 INFO L271 CegarLoopResult]: At program point L585(line 585) the Hoare annotation is: true [2020-08-18 17:38:57,256 INFO L268 CegarLoopResult]: For program point L585-1(line 585) no Hoare annotation was computed. [2020-08-18 17:38:57,256 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2020-08-18 17:38:57,256 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2020-08-18 17:38:57,256 INFO L268 CegarLoopResult]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2020-08-18 17:38:57,256 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 634 640) no Hoare annotation was computed. [2020-08-18 17:38:57,256 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 634 640) the Hoare annotation is: true [2020-08-18 17:38:57,256 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:57,256 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 17:38:57,257 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 17:38:57,257 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:57,257 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2020-08-18 17:38:57,257 INFO L268 CegarLoopResult]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2020-08-18 17:38:57,257 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 17:38:57,257 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2020-08-18 17:38:57,257 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2020-08-18 17:38:57,257 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2020-08-18 17:38:57,258 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2020-08-18 17:38:57,258 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-08-18 17:38:57,258 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 17:38:57,258 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-08-18 17:38:57,258 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-08-18 17:38:57,258 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 17:38:57,258 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-08-18 17:38:57,258 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-08-18 17:38:57,258 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-08-18 17:38:57,259 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-08-18 17:38:57,259 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-08-18 17:38:57,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:38:57 BoogieIcfgContainer [2020-08-18 17:38:57,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:38:57,274 INFO L168 Benchmark]: Toolchain (without parser) took 23303.92 ms. Allocated memory was 148.4 MB in the beginning and 571.5 MB in the end (delta: 423.1 MB). Free memory was 103.6 MB in the beginning and 153.7 MB in the end (delta: -50.1 MB). Peak memory consumption was 408.2 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:57,275 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-08-18 17:38:57,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.48 ms. Allocated memory was 148.4 MB in the beginning and 204.5 MB in the end (delta: 56.1 MB). Free memory was 103.2 MB in the beginning and 174.5 MB in the end (delta: -71.3 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:57,277 INFO L168 Benchmark]: Boogie Preprocessor took 87.50 ms. Allocated memory is still 204.5 MB. Free memory was 174.5 MB in the beginning and 169.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:57,278 INFO L168 Benchmark]: RCFGBuilder took 1172.54 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 169.6 MB in the beginning and 196.6 MB in the end (delta: -27.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:57,280 INFO L168 Benchmark]: TraceAbstraction took 21372.60 ms. Allocated memory was 234.4 MB in the beginning and 571.5 MB in the end (delta: 337.1 MB). Free memory was 196.6 MB in the beginning and 153.7 MB in the end (delta: 42.9 MB). Peak memory consumption was 415.2 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:57,284 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.48 ms. Allocated memory was 148.4 MB in the beginning and 204.5 MB in the end (delta: 56.1 MB). Free memory was 103.2 MB in the beginning and 174.5 MB in the end (delta: -71.3 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.50 ms. Allocated memory is still 204.5 MB. Free memory was 174.5 MB in the beginning and 169.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1172.54 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 169.6 MB in the beginning and 196.6 MB in the end (delta: -27.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21372.60 ms. Allocated memory was 234.4 MB in the beginning and 571.5 MB in the end (delta: 337.1 MB). Free memory was 196.6 MB in the beginning and 153.7 MB in the end (delta: 42.9 MB). Peak memory consumption was 415.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 856]: 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 38 procedures, 220 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 475 SDtfs, 779 SDslu, 403 SDs, 0 SdLazy, 2017 SolverSat, 497 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s 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=395occurred 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, 230 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 468 PreInvPairs, 543 NumberOfFragments, 677 HoareAnnotationTreeSize, 468 FomulaSimplifications, 56314 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 16892 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 73254 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...