/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 10:23:05,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 10:23:05,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 10:23:05,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 10:23:05,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 10:23:05,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 10:23:05,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 10:23:05,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 10:23:05,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 10:23:05,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 10:23:05,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 10:23:05,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 10:23:05,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 10:23:05,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 10:23:05,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 10:23:05,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 10:23:05,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 10:23:05,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 10:23:05,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 10:23:05,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 10:23:05,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 10:23:05,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 10:23:05,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 10:23:05,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 10:23:05,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 10:23:05,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 10:23:05,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 10:23:05,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 10:23:05,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 10:23:05,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 10:23:05,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 10:23:05,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 10:23:05,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 10:23:05,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 10:23:05,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 10:23:05,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 10:23:05,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 10:23:05,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 10:23:05,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 10:23:05,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 10:23:05,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 10:23:05,875 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 10:23:05,898 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 10:23:05,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 10:23:05,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 10:23:05,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 10:23:05,900 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 10:23:05,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 10:23:05,900 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 10:23:05,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 10:23:05,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 10:23:05,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 10:23:05,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 10:23:05,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 10:23:05,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 10:23:05,901 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 10:23:05,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 10:23:05,902 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 10:23:05,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 10:23:05,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 10:23:05,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 10:23:05,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 10:23:05,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 10:23:05,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 10:23:05,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 10:23:05,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 10:23:05,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 10:23:05,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 10:23:05,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 10:23:05,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 10:23:05,904 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 10:23:05,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-08-18 10:23:06,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 10:23:06,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 10:23:06,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 10:23:06,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 10:23:06,205 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 10:23:06,206 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-08-18 10:23:06,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bce6e503b/84736b850c5548fa84bbcdd7b1b3ad9c/FLAG31acebc05 [2020-08-18 10:23:06,747 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 10:23:06,748 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2020-08-18 10:23:06,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bce6e503b/84736b850c5548fa84bbcdd7b1b3ad9c/FLAG31acebc05 [2020-08-18 10:23:07,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bce6e503b/84736b850c5548fa84bbcdd7b1b3ad9c [2020-08-18 10:23:07,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 10:23:07,133 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 10:23:07,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 10:23:07,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 10:23:07,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 10:23:07,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:23:07" (1/1) ... [2020-08-18 10:23:07,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30847a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:07, skipping insertion in model container [2020-08-18 10:23:07,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:23:07" (1/1) ... [2020-08-18 10:23:07,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 10:23:07,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 10:23:07,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 10:23:07,594 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 10:23:07,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 10:23:07,726 INFO L208 MainTranslator]: Completed translation [2020-08-18 10:23:07,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:07 WrapperNode [2020-08-18 10:23:07,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 10:23:07,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 10:23:07,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 10:23:07,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 10:23:07,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:07" (1/1) ... [2020-08-18 10:23:07,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:07" (1/1) ... [2020-08-18 10:23:07,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:07" (1/1) ... [2020-08-18 10:23:07,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:07" (1/1) ... [2020-08-18 10:23:07,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:07" (1/1) ... [2020-08-18 10:23:07,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:07" (1/1) ... [2020-08-18 10:23:07,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:07" (1/1) ... [2020-08-18 10:23:07,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 10:23:07,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 10:23:07,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 10:23:07,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 10:23:07,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:07" (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 10:23:07,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 10:23:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 10:23:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 10:23:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 10:23:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 10:23:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 10:23:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 10:23:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 10:23:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 10:23:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 10:23:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 10:23:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 10:23:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 10:23:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 10:23:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 10:23:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 10:23:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 10:23:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 10:23:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 10:23:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 10:23:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 10:23:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 10:23:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 10:23:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 10:23:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 10:23:07,944 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 10:23:07,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 10:23:07,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 10:23:07,945 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 10:23:07,945 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 10:23:07,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 10:23:07,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 10:23:07,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 10:23:07,946 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 10:23:07,946 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 10:23:07,946 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 10:23:07,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 10:23:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 10:23:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 10:23:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 10:23:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 10:23:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 10:23:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 10:23:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 10:23:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 10:23:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 10:23:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 10:23:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 10:23:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 10:23:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 10:23:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 10:23:07,950 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 10:23:07,950 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 10:23:07,950 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 10:23:07,950 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 10:23:07,950 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 10:23:07,950 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 10:23:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 10:23:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 10:23:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 10:23:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 10:23:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 10:23:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 10:23:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 10:23:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 10:23:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 10:23:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 10:23:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 10:23:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 10:23:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 10:23:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 10:23:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 10:23:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 10:23:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 10:23:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 10:23:07,954 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 10:23:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 10:23:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 10:23:07,955 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 10:23:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 10:23:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 10:23:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 10:23:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 10:23:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 10:23:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 10:23:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 10:23:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 10:23:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 10:23:09,053 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 10:23:09,053 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 10:23:09,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:23:09 BoogieIcfgContainer [2020-08-18 10:23:09,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 10:23:09,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 10:23:09,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 10:23:09,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 10:23:09,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:23:07" (1/3) ... [2020-08-18 10:23:09,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ec8e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:23:09, skipping insertion in model container [2020-08-18 10:23:09,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:07" (2/3) ... [2020-08-18 10:23:09,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ec8e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:23:09, skipping insertion in model container [2020-08-18 10:23:09,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:23:09" (3/3) ... [2020-08-18 10:23:09,068 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2020-08-18 10:23:09,079 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 10:23:09,088 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 10:23:09,103 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 10:23:09,130 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 10:23:09,130 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 10:23:09,130 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 10:23:09,131 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 10:23:09,131 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 10:23:09,131 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 10:23:09,131 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 10:23:09,131 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 10:23:09,155 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-08-18 10:23:09,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 10:23:09,165 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:09,167 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 10:23:09,167 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:09,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:09,174 INFO L82 PathProgramCache]: Analyzing trace with hash 232346821, now seen corresponding path program 1 times [2020-08-18 10:23:09,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:09,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1465665726] [2020-08-18 10:23:09,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,855 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:09,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 10:23:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 10:23:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:09,958 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 10:23:09,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1465665726] [2020-08-18 10:23:09,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:09,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 10:23:09,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512311913] [2020-08-18 10:23:09,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 10:23:09,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:09,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 10:23:09,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 10:23:09,994 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 3 states. [2020-08-18 10:23:11,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:11,063 INFO L93 Difference]: Finished difference Result 266 states and 350 transitions. [2020-08-18 10:23:11,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 10:23:11,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 10:23:11,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:11,080 INFO L225 Difference]: With dead ends: 266 [2020-08-18 10:23:11,081 INFO L226 Difference]: Without dead ends: 145 [2020-08-18 10:23:11,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 10:23:11,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-08-18 10:23:11,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 112. [2020-08-18 10:23:11,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-08-18 10:23:11,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2020-08-18 10:23:11,177 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2020-08-18 10:23:11,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:11,178 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2020-08-18 10:23:11,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 10:23:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2020-08-18 10:23:11,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 10:23:11,182 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:11,182 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 10:23:11,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 10:23:11,183 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:11,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:11,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1830481593, now seen corresponding path program 1 times [2020-08-18 10:23:11,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:11,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362031787] [2020-08-18 10:23:11,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:11,527 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:11,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:11,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:11,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:11,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:11,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:11,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 10:23:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:11,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 10:23:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:11,624 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 10:23:11,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362031787] [2020-08-18 10:23:11,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:11,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 10:23:11,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152391299] [2020-08-18 10:23:11,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 10:23:11,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:11,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 10:23:11,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 10:23:11,628 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 4 states. [2020-08-18 10:23:12,013 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:23:12,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:12,720 INFO L93 Difference]: Finished difference Result 189 states and 229 transitions. [2020-08-18 10:23:12,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 10:23:12,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 10:23:12,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:12,724 INFO L225 Difference]: With dead ends: 189 [2020-08-18 10:23:12,724 INFO L226 Difference]: Without dead ends: 129 [2020-08-18 10:23:12,726 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 10:23:12,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-08-18 10:23:12,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 103. [2020-08-18 10:23:12,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-08-18 10:23:12,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2020-08-18 10:23:12,759 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2020-08-18 10:23:12,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:12,760 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2020-08-18 10:23:12,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 10:23:12,760 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2020-08-18 10:23:12,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 10:23:12,762 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:12,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 10:23:12,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 10:23:12,763 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:12,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:12,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1249539500, now seen corresponding path program 1 times [2020-08-18 10:23:12,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:12,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040742696] [2020-08-18 10:23:12,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,082 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:13,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 10:23:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 10:23:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:13,155 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 10:23:13,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2040742696] [2020-08-18 10:23:13,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:13,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 10:23:13,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055589538] [2020-08-18 10:23:13,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 10:23:13,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:13,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 10:23:13,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 10:23:13,157 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 8 states. [2020-08-18 10:23:13,498 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:13,800 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:14,035 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:14,245 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:14,971 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:23:16,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:16,307 INFO L93 Difference]: Finished difference Result 360 states and 445 transitions. [2020-08-18 10:23:16,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 10:23:16,312 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 10:23:16,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:16,316 INFO L225 Difference]: With dead ends: 360 [2020-08-18 10:23:16,316 INFO L226 Difference]: Without dead ends: 281 [2020-08-18 10:23:16,317 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 10:23:16,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-08-18 10:23:16,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 220. [2020-08-18 10:23:16,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-18 10:23:16,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2020-08-18 10:23:16,396 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2020-08-18 10:23:16,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:16,396 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2020-08-18 10:23:16,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 10:23:16,396 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2020-08-18 10:23:16,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 10:23:16,398 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:16,398 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 10:23:16,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 10:23:16,399 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:16,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:16,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1248876172, now seen corresponding path program 1 times [2020-08-18 10:23:16,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:16,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728920541] [2020-08-18 10:23:16,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:16,752 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:16,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:16,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:16,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:16,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:16,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:16,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 10:23:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:16,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 10:23:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:16,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 10:23:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:16,888 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 10:23:16,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728920541] [2020-08-18 10:23:16,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:16,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 10:23:16,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454151739] [2020-08-18 10:23:16,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 10:23:16,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:16,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 10:23:16,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 10:23:16,891 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 12 states. [2020-08-18 10:23:17,295 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:17,618 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:17,871 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:18,114 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:18,624 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:23:19,496 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:19,833 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 10:23:20,149 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 10:23:20,408 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 10:23:20,666 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:20,992 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 10:23:21,308 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 10:23:21,591 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:22,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:22,819 INFO L93 Difference]: Finished difference Result 875 states and 1174 transitions. [2020-08-18 10:23:22,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 10:23:22,820 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-08-18 10:23:22,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:22,830 INFO L225 Difference]: With dead ends: 875 [2020-08-18 10:23:22,830 INFO L226 Difference]: Without dead ends: 679 [2020-08-18 10:23:22,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-18 10:23:22,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2020-08-18 10:23:22,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 582. [2020-08-18 10:23:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-08-18 10:23:22,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 718 transitions. [2020-08-18 10:23:22,974 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 718 transitions. Word has length 57 [2020-08-18 10:23:22,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:22,975 INFO L479 AbstractCegarLoop]: Abstraction has 582 states and 718 transitions. [2020-08-18 10:23:22,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 10:23:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 718 transitions. [2020-08-18 10:23:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 10:23:22,978 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:22,979 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 10:23:22,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 10:23:22,979 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:22,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:22,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1908801166, now seen corresponding path program 1 times [2020-08-18 10:23:22,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:22,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796141944] [2020-08-18 10:23:22,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:23,251 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:23,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:23,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:23,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:23,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:23,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:23,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 10:23:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:23,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 10:23:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:23,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 10:23:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:23,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 10:23:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:23,348 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 10:23:23,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796141944] [2020-08-18 10:23:23,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:23,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 10:23:23,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636872882] [2020-08-18 10:23:23,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 10:23:23,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:23,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 10:23:23,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 10:23:23,351 INFO L87 Difference]: Start difference. First operand 582 states and 718 transitions. Second operand 6 states. [2020-08-18 10:23:23,609 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:24,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:24,381 INFO L93 Difference]: Finished difference Result 1027 states and 1340 transitions. [2020-08-18 10:23:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 10:23:24,382 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-08-18 10:23:24,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:24,387 INFO L225 Difference]: With dead ends: 1027 [2020-08-18 10:23:24,387 INFO L226 Difference]: Without dead ends: 469 [2020-08-18 10:23:24,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-08-18 10:23:24,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-08-18 10:23:24,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2020-08-18 10:23:24,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-08-18 10:23:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2020-08-18 10:23:24,460 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2020-08-18 10:23:24,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:24,461 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2020-08-18 10:23:24,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 10:23:24,461 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2020-08-18 10:23:24,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-08-18 10:23:24,463 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:24,464 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:23:24,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 10:23:24,464 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:24,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:24,465 INFO L82 PathProgramCache]: Analyzing trace with hash 264696333, now seen corresponding path program 1 times [2020-08-18 10:23:24,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:24,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327512896] [2020-08-18 10:23:24,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:24,758 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:24,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:24,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:24,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:24,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:24,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:24,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 10:23:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:24,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 10:23:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:24,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 10:23:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:24,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 10:23:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:24,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 10:23:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:24,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-18 10:23:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:24,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-18 10:23:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:24,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 10:23:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:24,927 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-18 10:23:24,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327512896] [2020-08-18 10:23:24,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 10:23:24,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 10:23:24,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502891049] [2020-08-18 10:23:24,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 10:23:24,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:24,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 10:23:24,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-08-18 10:23:24,930 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand 10 states. [2020-08-18 10:23:25,512 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 10:23:26,086 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:26,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:26,961 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2020-08-18 10:23:26,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 10:23:26,961 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-08-18 10:23:26,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:26,962 INFO L225 Difference]: With dead ends: 565 [2020-08-18 10:23:26,963 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 10:23:26,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-08-18 10:23:26,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 10:23:26,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 10:23:26,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 10:23:26,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 10:23:26,965 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-08-18 10:23:26,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:26,965 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 10:23:26,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 10:23:26,966 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 10:23:26,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 10:23:26,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 10:23:26,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 10:23:27,224 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 33 [2020-08-18 10:23:27,609 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 222 [2020-08-18 10:23:30,683 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-18 10:23:30,787 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 23 [2020-08-18 10:23:31,175 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 10:23:31,649 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-08-18 10:23:31,798 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-08-18 10:23:32,314 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 10:23:32,674 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 10:23:33,096 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-08-18 10:23:33,282 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:33,883 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 21 [2020-08-18 10:23:34,043 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 10:23:34,637 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-18 10:23:35,291 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-18 10:23:35,561 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 10:23:36,199 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-08-18 10:23:36,761 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-08-18 10:23:36,920 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 10:23:37,345 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 10:23:37,863 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 10:23:38,233 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 10:23:38,740 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 10:23:39,134 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 10:23:39,804 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 21 [2020-08-18 10:23:39,808 INFO L268 CegarLoopResult]: For program point L346(lines 346 350) no Hoare annotation was computed. [2020-08-18 10:23:39,809 INFO L268 CegarLoopResult]: For program point L346-1(lines 346 350) no Hoare annotation was computed. [2020-08-18 10:23:39,809 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-08-18 10:23:39,809 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 315 370) no Hoare annotation was computed. [2020-08-18 10:23:39,809 INFO L268 CegarLoopResult]: For program point L340-2(lines 340 361) no Hoare annotation was computed. [2020-08-18 10:23:39,809 INFO L268 CegarLoopResult]: For program point L362(lines 339 363) no Hoare annotation was computed. [2020-08-18 10:23:39,810 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 315 370) no Hoare annotation was computed. [2020-08-18 10:23:39,810 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 315 370) no Hoare annotation was computed. [2020-08-18 10:23:39,810 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-18 10:23:39,810 INFO L268 CegarLoopResult]: For program point L416-1(line 416) no Hoare annotation was computed. [2020-08-18 10:23:39,810 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 371 430) no Hoare annotation was computed. [2020-08-18 10:23:39,811 INFO L268 CegarLoopResult]: For program point L403(lines 403 407) no Hoare annotation was computed. [2020-08-18 10:23:39,811 INFO L268 CegarLoopResult]: For program point L403-1(lines 403 407) no Hoare annotation was computed. [2020-08-18 10:23:39,811 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 371 430) no Hoare annotation was computed. [2020-08-18 10:23:39,811 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-18 10:23:39,811 INFO L268 CegarLoopResult]: For program point L397-2(lines 397 422) no Hoare annotation was computed. [2020-08-18 10:23:39,811 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 371 430) no Hoare annotation was computed. [2020-08-18 10:23:39,811 INFO L268 CegarLoopResult]: For program point L423(lines 396 424) no Hoare annotation was computed. [2020-08-18 10:23:39,811 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 147 153) the Hoare annotation is: true [2020-08-18 10:23:39,811 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 147 153) no Hoare annotation was computed. [2020-08-18 10:23:39,812 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 154 162) no Hoare annotation was computed. [2020-08-18 10:23:39,812 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 154 162) the Hoare annotation is: true [2020-08-18 10:23:39,812 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 154 162) no Hoare annotation was computed. [2020-08-18 10:23:39,812 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 10:23:39,812 INFO L268 CegarLoopResult]: For program point L641-1(line 641) no Hoare annotation was computed. [2020-08-18 10:23:39,812 INFO L268 CegarLoopResult]: For program point L639(lines 639 652) no Hoare annotation was computed. [2020-08-18 10:23:39,812 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 631 655) the Hoare annotation is: true [2020-08-18 10:23:39,812 INFO L268 CegarLoopResult]: For program point L639-1(lines 631 655) no Hoare annotation was computed. [2020-08-18 10:23:39,812 INFO L271 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: true [2020-08-18 10:23:39,813 INFO L268 CegarLoopResult]: For program point L637-1(line 637) no Hoare annotation was computed. [2020-08-18 10:23:39,813 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 631 655) no Hoare annotation was computed. [2020-08-18 10:23:39,813 INFO L264 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 10:23:39,813 INFO L268 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2020-08-18 10:23:39,813 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 239 261) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:39,814 INFO L264 CegarLoopResult]: At program point L251(line 251) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:39,814 INFO L264 CegarLoopResult]: At program point L251-1(line 251) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:39,814 INFO L268 CegarLoopResult]: For program point L249(lines 249 256) no Hoare annotation was computed. [2020-08-18 10:23:39,814 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 239 261) no Hoare annotation was computed. [2020-08-18 10:23:39,814 INFO L268 CegarLoopResult]: For program point L249-1(lines 249 256) no Hoare annotation was computed. [2020-08-18 10:23:39,814 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-08-18 10:23:39,814 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:39,815 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:39,815 INFO L264 CegarLoopResult]: At program point L245-1(line 245) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:39,815 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 239 261) no Hoare annotation was computed. [2020-08-18 10:23:39,815 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 197 220) no Hoare annotation was computed. [2020-08-18 10:23:39,815 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 197 220) no Hoare annotation was computed. [2020-08-18 10:23:39,815 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 197 220) no Hoare annotation was computed. [2020-08-18 10:23:39,816 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-08-18 10:23:39,816 INFO L268 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-08-18 10:23:39,816 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-08-18 10:23:39,816 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-08-18 10:23:39,816 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-08-18 10:23:39,816 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-08-18 10:23:39,816 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-08-18 10:23:39,816 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-08-18 10:23:39,816 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-08-18 10:23:39,817 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-08-18 10:23:39,817 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-08-18 10:23:39,817 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-18 10:23:39,817 INFO L268 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-08-18 10:23:39,817 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 10:23:39,817 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2020-08-18 10:23:39,817 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 10:23:39,817 INFO L268 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-08-18 10:23:39,817 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-18 10:23:39,817 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2020-08-18 10:23:39,817 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2020-08-18 10:23:39,818 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2020-08-18 10:23:39,818 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2020-08-18 10:23:39,818 INFO L268 CegarLoopResult]: For program point L764(lines 764 772) no Hoare annotation was computed. [2020-08-18 10:23:39,818 INFO L268 CegarLoopResult]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2020-08-18 10:23:39,818 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-08-18 10:23:39,818 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-08-18 10:23:39,818 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 757 792) no Hoare annotation was computed. [2020-08-18 10:23:39,818 INFO L268 CegarLoopResult]: For program point L776(lines 776 784) no Hoare annotation was computed. [2020-08-18 10:23:39,819 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 757 792) no Hoare annotation was computed. [2020-08-18 10:23:39,819 INFO L268 CegarLoopResult]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2020-08-18 10:23:39,819 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 757 792) no Hoare annotation was computed. [2020-08-18 10:23:39,819 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 140 146) no Hoare annotation was computed. [2020-08-18 10:23:39,819 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 140 146) the Hoare annotation is: true [2020-08-18 10:23:39,819 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 269 314) no Hoare annotation was computed. [2020-08-18 10:23:39,819 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 269 314) no Hoare annotation was computed. [2020-08-18 10:23:39,819 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 269 314) no Hoare annotation was computed. [2020-08-18 10:23:39,820 INFO L268 CegarLoopResult]: For program point L602(lines 602 609) no Hoare annotation was computed. [2020-08-18 10:23:39,820 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 582 627) no Hoare annotation was computed. [2020-08-18 10:23:39,820 INFO L268 CegarLoopResult]: For program point L596(lines 596 616) no Hoare annotation was computed. [2020-08-18 10:23:39,820 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 616) no Hoare annotation was computed. [2020-08-18 10:23:39,820 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 582 627) no Hoare annotation was computed. [2020-08-18 10:23:39,820 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 582 627) no Hoare annotation was computed. [2020-08-18 10:23:39,820 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 229 238) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:39,820 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 229 238) no Hoare annotation was computed. [2020-08-18 10:23:39,821 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 229 238) no Hoare annotation was computed. [2020-08-18 10:23:39,821 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2020-08-18 10:23:39,821 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2020-08-18 10:23:39,821 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2020-08-18 10:23:39,821 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-08-18 10:23:39,821 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-08-18 10:23:39,821 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2020-08-18 10:23:39,821 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2020-08-18 10:23:39,822 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2020-08-18 10:23:39,822 INFO L268 CegarLoopResult]: For program point L704(lines 704 712) no Hoare annotation was computed. [2020-08-18 10:23:39,822 INFO L264 CegarLoopResult]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 10:23:39,822 INFO L268 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-08-18 10:23:39,822 INFO L268 CegarLoopResult]: For program point L700(lines 700 717) no Hoare annotation was computed. [2020-08-18 10:23:39,822 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 696 720) no Hoare annotation was computed. [2020-08-18 10:23:39,822 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 696 720) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 10:23:39,823 INFO L264 CegarLoopResult]: At program point L715(line 715) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 10:23:39,823 INFO L268 CegarLoopResult]: For program point L715-1(lines 696 720) no Hoare annotation was computed. [2020-08-18 10:23:39,823 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 10:23:39,823 INFO L264 CegarLoopResult]: At program point L706(line 706) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 10:23:39,823 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 688 694) no Hoare annotation was computed. [2020-08-18 10:23:39,823 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 688 694) the Hoare annotation is: true [2020-08-18 10:23:39,823 INFO L268 CegarLoopResult]: For program point L865(lines 865 871) no Hoare annotation was computed. [2020-08-18 10:23:39,824 INFO L264 CegarLoopResult]: At program point L865-1(lines 857 872) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 10:23:39,824 INFO L264 CegarLoopResult]: At program point testENTRY(lines 817 884) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:39,824 INFO L268 CegarLoopResult]: For program point L828(lines 827 876) no Hoare annotation was computed. [2020-08-18 10:23:39,824 INFO L264 CegarLoopResult]: At program point L859(line 859) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 10:23:39,824 INFO L268 CegarLoopResult]: For program point L857(lines 857 872) no Hoare annotation was computed. [2020-08-18 10:23:39,824 INFO L268 CegarLoopResult]: For program point testFINAL(lines 817 884) no Hoare annotation was computed. [2020-08-18 10:23:39,824 INFO L264 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 10:23:39,825 INFO L268 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-08-18 10:23:39,825 INFO L268 CegarLoopResult]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2020-08-18 10:23:39,825 INFO L264 CegarLoopResult]: At program point L874(lines 827 876) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 10:23:39,825 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 10:23:39,825 INFO L268 CegarLoopResult]: For program point L837(lines 837 843) no Hoare annotation was computed. [2020-08-18 10:23:39,825 INFO L268 CegarLoopResult]: For program point L837-1(lines 837 843) no Hoare annotation was computed. [2020-08-18 10:23:39,826 INFO L268 CegarLoopResult]: For program point L829(lines 829 833) no Hoare annotation was computed. [2020-08-18 10:23:39,826 INFO L264 CegarLoopResult]: At program point L877(lines 826 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:39,826 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 10:23:39,826 INFO L268 CegarLoopResult]: For program point testEXIT(lines 817 884) no Hoare annotation was computed. [2020-08-18 10:23:39,826 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 536 581) no Hoare annotation was computed. [2020-08-18 10:23:39,826 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 536 581) no Hoare annotation was computed. [2020-08-18 10:23:39,826 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 536 581) no Hoare annotation was computed. [2020-08-18 10:23:39,827 INFO L268 CegarLoopResult]: For program point L556(lines 556 563) no Hoare annotation was computed. [2020-08-18 10:23:39,827 INFO L268 CegarLoopResult]: For program point L550(lines 550 570) no Hoare annotation was computed. [2020-08-18 10:23:39,827 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 570) no Hoare annotation was computed. [2020-08-18 10:23:39,827 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-18 10:23:39,827 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-18 10:23:39,827 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-18 10:23:39,827 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-18 10:23:39,827 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-18 10:23:39,827 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 130 139) no Hoare annotation was computed. [2020-08-18 10:23:39,828 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 130 139) no Hoare annotation was computed. [2020-08-18 10:23:39,828 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 130 139) no Hoare annotation was computed. [2020-08-18 10:23:39,828 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-08-18 10:23:39,828 INFO L268 CegarLoopResult]: For program point L479(lines 479 520) no Hoare annotation was computed. [2020-08-18 10:23:39,828 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 433 535) no Hoare annotation was computed. [2020-08-18 10:23:39,828 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-08-18 10:23:39,828 INFO L268 CegarLoopResult]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-08-18 10:23:39,828 INFO L268 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-08-18 10:23:39,828 INFO L268 CegarLoopResult]: For program point L521(lines 521 532) no Hoare annotation was computed. [2020-08-18 10:23:39,829 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 433 535) no Hoare annotation was computed. [2020-08-18 10:23:39,829 INFO L268 CegarLoopResult]: For program point L484(lines 484 488) no Hoare annotation was computed. [2020-08-18 10:23:39,829 INFO L268 CegarLoopResult]: For program point L482-2(lines 482 502) no Hoare annotation was computed. [2020-08-18 10:23:39,829 INFO L268 CegarLoopResult]: For program point L503(lines 481 504) no Hoare annotation was computed. [2020-08-18 10:23:39,829 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 433 535) no Hoare annotation was computed. [2020-08-18 10:23:39,829 INFO L268 CegarLoopResult]: For program point L462(lines 462 478) no Hoare annotation was computed. [2020-08-18 10:23:39,829 INFO L268 CegarLoopResult]: For program point L522(lines 522 529) no Hoare annotation was computed. [2020-08-18 10:23:39,829 INFO L268 CegarLoopResult]: For program point L483(lines 482 502) no Hoare annotation was computed. [2020-08-18 10:23:39,829 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-18 10:23:39,830 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:23:39,830 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~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~string1.base| |old(#t~string1.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)|) (= ~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)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-18 10:23:39,830 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:23:39,830 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 721 728) no Hoare annotation was computed. [2020-08-18 10:23:39,830 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 721 728) no Hoare annotation was computed. [2020-08-18 10:23:39,830 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 721 728) no Hoare annotation was computed. [2020-08-18 10:23:39,831 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-08-18 10:23:39,831 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-18 10:23:39,831 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-18 10:23:39,831 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-18 10:23:39,831 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-18 10:23:39,831 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-18 10:23:39,831 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:23:39,831 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 10:23:39,831 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:23:39,832 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-18 10:23:39,832 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-18 10:23:39,832 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-18 10:23:39,832 INFO L264 CegarLoopResult]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-08-18 10:23:39,832 INFO L268 CegarLoopResult]: For program point L668(lines 667 686) no Hoare annotation was computed. [2020-08-18 10:23:39,832 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 664 687) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-18 10:23:39,832 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 664 687) no Hoare annotation was computed. [2020-08-18 10:23:39,833 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 664 687) no Hoare annotation was computed. [2020-08-18 10:23:39,833 INFO L264 CegarLoopResult]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 10:23:39,833 INFO L264 CegarLoopResult]: At program point L675(lines 675 681) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-18 10:23:39,833 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 166 195) no Hoare annotation was computed. [2020-08-18 10:23:39,833 INFO L271 CegarLoopResult]: At program point L191(lines 166 195) the Hoare annotation is: true [2020-08-18 10:23:39,833 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 166 195) the Hoare annotation is: true [2020-08-18 10:23:39,833 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 10:23:39,834 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-18 10:23:39,834 INFO L271 CegarLoopResult]: At program point L180-1(lines 180 184) the Hoare annotation is: true [2020-08-18 10:23:39,834 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-08-18 10:23:39,834 INFO L271 CegarLoopResult]: At program point L176-2(lines 176 190) the Hoare annotation is: true [2020-08-18 10:23:39,834 INFO L271 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: true [2020-08-18 10:23:39,834 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-08-18 10:23:39,834 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-18 10:23:39,834 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-18 10:23:39,835 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-18 10:23:39,835 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 221 227) no Hoare annotation was computed. [2020-08-18 10:23:39,835 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 221 227) the Hoare annotation is: true [2020-08-18 10:23:39,835 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:23:39,835 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 10:23:39,835 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 10:23:39,835 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:23:39,836 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2020-08-18 10:23:39,836 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-18 10:23:39,836 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2020-08-18 10:23:39,836 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-18 10:23:39,836 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-18 10:23:39,836 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 10:23:39,836 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 886 893) no Hoare annotation was computed. [2020-08-18 10:23:39,837 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2020-08-18 10:23:39,837 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2020-08-18 10:23:39,837 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2020-08-18 10:23:39,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:23:39 BoogieIcfgContainer [2020-08-18 10:23:39,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 10:23:39,857 INFO L168 Benchmark]: Toolchain (without parser) took 32724.05 ms. Allocated memory was 138.9 MB in the beginning and 740.3 MB in the end (delta: 601.4 MB). Free memory was 100.7 MB in the beginning and 633.2 MB in the end (delta: -532.5 MB). Peak memory consumption was 598.5 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:39,858 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 10:23:39,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.91 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 170.8 MB in the end (delta: -70.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:39,859 INFO L168 Benchmark]: Boogie Preprocessor took 124.75 ms. Allocated memory is still 202.4 MB. Free memory was 170.1 MB in the beginning and 166.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:39,860 INFO L168 Benchmark]: RCFGBuilder took 1206.20 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.0 MB in the beginning and 199.9 MB in the end (delta: -33.9 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:39,861 INFO L168 Benchmark]: TraceAbstraction took 30795.16 ms. Allocated memory was 234.9 MB in the beginning and 740.3 MB in the end (delta: 505.4 MB). Free memory was 198.5 MB in the beginning and 633.2 MB in the end (delta: -434.8 MB). Peak memory consumption was 600.3 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:39,865 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 592.91 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 170.8 MB in the end (delta: -70.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.75 ms. Allocated memory is still 202.4 MB. Free memory was 170.1 MB in the beginning and 166.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1206.20 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.0 MB in the beginning and 199.9 MB in the end (delta: -33.9 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30795.16 ms. Allocated memory was 234.9 MB in the beginning and 740.3 MB in the end (delta: 505.4 MB). Free memory was 198.5 MB in the beginning and 633.2 MB in the end (delta: -434.8 MB). Peak memory consumption was 600.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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: 826]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 594 SDtfs, 1292 SDslu, 588 SDs, 0 SdLazy, 2873 SolverSat, 934 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 116 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred 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, 6 MinimizatonAttempts, 284 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 644 PreInvPairs, 712 NumberOfFragments, 1068 HoareAnnotationTreeSize, 644 FomulaSimplifications, 176455 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 19317 FormulaSimplificationTreeSizeReductionInter, 9.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 106070 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 17/24 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...