/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 02:49:54,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 02:49:54,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 02:49:55,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 02:49:55,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 02:49:55,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 02:49:55,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 02:49:55,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 02:49:55,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 02:49:55,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 02:49:55,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 02:49:55,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 02:49:55,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 02:49:55,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 02:49:55,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 02:49:55,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 02:49:55,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 02:49:55,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 02:49:55,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 02:49:55,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 02:49:55,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 02:49:55,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 02:49:55,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 02:49:55,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 02:49:55,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 02:49:55,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 02:49:55,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 02:49:55,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 02:49:55,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 02:49:55,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 02:49:55,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 02:49:55,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 02:49:55,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 02:49:55,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 02:49:55,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 02:49:55,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 02:49:55,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 02:49:55,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 02:49:55,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 02:49:55,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 02:49:55,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 02:49:55,118 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 [2020-08-22 02:49:55,158 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 02:49:55,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 02:49:55,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 02:49:55,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 02:49:55,161 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 02:49:55,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 02:49:55,162 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 02:49:55,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 02:49:55,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 02:49:55,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 02:49:55,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 02:49:55,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 02:49:55,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 02:49:55,164 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 02:49:55,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 02:49:55,164 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 02:49:55,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 02:49:55,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 02:49:55,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 02:49:55,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 02:49:55,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 02:49:55,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 02:49:55,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 02:49:55,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 02:49:55,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 02:49:55,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 02:49:55,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 02:49:55,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 02:49:55,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 02:49:55,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-08-22 02:49:55,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 02:49:55,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 02:49:55,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 02:49:55,530 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 02:49:55,530 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 02:49:55,531 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c [2020-08-22 02:49:55,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72735bcea/ce4985bd6fb148ddbe61b0dbe203a59f/FLAG1e15ede5b [2020-08-22 02:49:56,192 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 02:49:56,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c [2020-08-22 02:49:56,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72735bcea/ce4985bd6fb148ddbe61b0dbe203a59f/FLAG1e15ede5b [2020-08-22 02:49:56,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72735bcea/ce4985bd6fb148ddbe61b0dbe203a59f [2020-08-22 02:49:56,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 02:49:56,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 02:49:56,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 02:49:56,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 02:49:56,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 02:49:56,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:49:56" (1/1) ... [2020-08-22 02:49:56,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99836cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:56, skipping insertion in model container [2020-08-22 02:49:56,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:49:56" (1/1) ... [2020-08-22 02:49:56,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 02:49:56,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 02:49:57,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:49:57,087 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 02:49:57,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:49:57,237 INFO L208 MainTranslator]: Completed translation [2020-08-22 02:49:57,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:57 WrapperNode [2020-08-22 02:49:57,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 02:49:57,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 02:49:57,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 02:49:57,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 02:49:57,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:57" (1/1) ... [2020-08-22 02:49:57,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:57" (1/1) ... [2020-08-22 02:49:57,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:57" (1/1) ... [2020-08-22 02:49:57,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:57" (1/1) ... [2020-08-22 02:49:57,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:57" (1/1) ... [2020-08-22 02:49:57,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:57" (1/1) ... [2020-08-22 02:49:57,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:57" (1/1) ... [2020-08-22 02:49:57,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 02:49:57,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 02:49:57,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 02:49:57,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 02:49:57,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:57" (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 [2020-08-22 02:49:57,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 02:49:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 02:49:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 02:49:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 02:49:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 02:49:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 02:49:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 02:49:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 02:49:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 02:49:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 02:49:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 02:49:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 02:49:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 02:49:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 02:49:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 02:49:57,460 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 02:49:57,460 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 02:49:57,460 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 02:49:57,460 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 02:49:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 02:49:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 02:49:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 02:49:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 02:49:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 02:49:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 02:49:57,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 02:49:57,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 02:49:57,462 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 02:49:57,462 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 02:49:57,462 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 02:49:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-22 02:49:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 02:49:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 02:49:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 02:49:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 02:49:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 02:49:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 02:49:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 02:49:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 02:49:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 02:49:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 02:49:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 02:49:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 02:49:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 02:49:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 02:49:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 02:49:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 02:49:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 02:49:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 02:49:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 02:49:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 02:49:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 02:49:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 02:49:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 02:49:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 02:49:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 02:49:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 02:49:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 02:49:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 02:49:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 02:49:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 02:49:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 02:49:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 02:49:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 02:49:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 02:49:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 02:49:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 02:49:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 02:49:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 02:49:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 02:49:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 02:49:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 02:49:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 02:49:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 02:49:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 02:49:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 02:49:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 02:49:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 02:49:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 02:49:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 02:49:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 02:49:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 02:49:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 02:49:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 02:49:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 02:49:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 02:49:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 02:49:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-22 02:49:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 02:49:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 02:49:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 02:49:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 02:49:58,579 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 02:49:58,579 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 02:49:58,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:49:58 BoogieIcfgContainer [2020-08-22 02:49:58,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 02:49:58,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 02:49:58,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 02:49:58,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 02:49:58,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 02:49:56" (1/3) ... [2020-08-22 02:49:58,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3436570e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:49:58, skipping insertion in model container [2020-08-22 02:49:58,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:57" (2/3) ... [2020-08-22 02:49:58,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3436570e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:49:58, skipping insertion in model container [2020-08-22 02:49:58,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:49:58" (3/3) ... [2020-08-22 02:49:58,593 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2020-08-22 02:49:58,603 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 02:49:58,610 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 02:49:58,624 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 02:49:58,648 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 02:49:58,648 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 02:49:58,648 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 02:49:58,648 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 02:49:58,648 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 02:49:58,649 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 02:49:58,649 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 02:49:58,649 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 02:49:58,670 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-08-22 02:49:58,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 02:49:58,681 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:49:58,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:49:58,682 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:49:58,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:49:58,689 INFO L82 PathProgramCache]: Analyzing trace with hash -555791625, now seen corresponding path program 1 times [2020-08-22 02:49:58,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:49:58,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1980749015] [2020-08-22 02:49:58,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:49:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:59,377 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:49:59,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:49:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:59,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:49:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:59,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:49:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:59,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:49:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:59,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:49:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:59,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:49:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:59,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 02:49:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:59,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 02:49:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:49:59,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1980749015] [2020-08-22 02:49:59,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:49:59,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 02:49:59,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620692242] [2020-08-22 02:49:59,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 02:49:59,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:49:59,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 02:49:59,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 02:49:59,594 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 4 states. [2020-08-22 02:50:00,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:00,650 INFO L93 Difference]: Finished difference Result 278 states and 367 transitions. [2020-08-22 02:50:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 02:50:00,652 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-22 02:50:00,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:00,666 INFO L225 Difference]: With dead ends: 278 [2020-08-22 02:50:00,667 INFO L226 Difference]: Without dead ends: 155 [2020-08-22 02:50:00,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 02:50:00,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-08-22 02:50:00,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 124. [2020-08-22 02:50:00,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-08-22 02:50:00,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 147 transitions. [2020-08-22 02:50:00,764 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 147 transitions. Word has length 51 [2020-08-22 02:50:00,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:00,765 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 147 transitions. [2020-08-22 02:50:00,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 02:50:00,765 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 147 transitions. [2020-08-22 02:50:00,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 02:50:00,769 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:50:00,769 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] [2020-08-22 02:50:00,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 02:50:00,770 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:50:00,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:50:00,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1211509884, now seen corresponding path program 1 times [2020-08-22 02:50:00,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:50:00,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1413229584] [2020-08-22 02:50:00,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:50:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:01,109 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:01,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:50:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:01,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:50:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:01,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:50:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:01,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:50:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:01,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:50:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:01,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:50:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:01,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:50:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:01,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 02:50:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:50:01,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1413229584] [2020-08-22 02:50:01,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:50:01,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 02:50:01,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252263772] [2020-08-22 02:50:01,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 02:50:01,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:50:01,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 02:50:01,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 02:50:01,170 INFO L87 Difference]: Start difference. First operand 124 states and 147 transitions. Second operand 5 states. [2020-08-22 02:50:01,634 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:50:02,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:02,418 INFO L93 Difference]: Finished difference Result 223 states and 278 transitions. [2020-08-22 02:50:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 02:50:02,419 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-22 02:50:02,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:02,423 INFO L225 Difference]: With dead ends: 223 [2020-08-22 02:50:02,424 INFO L226 Difference]: Without dead ends: 145 [2020-08-22 02:50:02,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 02:50:02,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-08-22 02:50:02,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115. [2020-08-22 02:50:02,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-08-22 02:50:02,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-08-22 02:50:02,469 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2020-08-22 02:50:02,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:02,469 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-08-22 02:50:02,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 02:50:02,469 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-08-22 02:50:02,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 02:50:02,471 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:50:02,472 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:50:02,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 02:50:02,472 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:50:02,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:50:02,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1935073950, now seen corresponding path program 1 times [2020-08-22 02:50:02,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:50:02,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375784725] [2020-08-22 02:50:02,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:50:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:02,804 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:02,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:50:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:02,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:50:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:02,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:50:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:02,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:50:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:02,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:50:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:02,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:50:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:02,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 02:50:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:02,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 02:50:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:02,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:50:02,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375784725] [2020-08-22 02:50:02,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:50:02,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:50:02,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108298983] [2020-08-22 02:50:02,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:50:02,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:50:02,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:50:02,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:50:02,935 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 9 states. [2020-08-22 02:50:03,349 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:50:03,664 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:03,900 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:04,164 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:05,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:05,343 INFO L93 Difference]: Finished difference Result 232 states and 293 transitions. [2020-08-22 02:50:05,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 02:50:05,344 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-22 02:50:05,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:05,347 INFO L225 Difference]: With dead ends: 232 [2020-08-22 02:50:05,347 INFO L226 Difference]: Without dead ends: 145 [2020-08-22 02:50:05,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-22 02:50:05,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-08-22 02:50:05,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115. [2020-08-22 02:50:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-08-22 02:50:05,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-08-22 02:50:05,383 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 56 [2020-08-22 02:50:05,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:05,384 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-08-22 02:50:05,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:50:05,384 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-08-22 02:50:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-08-22 02:50:05,387 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:50:05,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:50:05,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 02:50:05,387 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:50:05,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:50:05,388 INFO L82 PathProgramCache]: Analyzing trace with hash 865162855, now seen corresponding path program 1 times [2020-08-22 02:50:05,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:50:05,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551662242] [2020-08-22 02:50:05,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:50:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:05,675 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:05,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:50:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:05,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:50:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:05,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:50:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:05,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:50:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:05,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:50:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:05,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:50:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:05,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 02:50:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:05,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:50:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:05,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:50:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:05,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-22 02:50:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:05,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-22 02:50:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:50:05,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551662242] [2020-08-22 02:50:05,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:50:05,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:50:05,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733210737] [2020-08-22 02:50:05,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:50:05,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:50:05,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:50:05,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:50:05,805 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 9 states. [2020-08-22 02:50:06,153 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:50:06,996 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:07,380 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:50:08,179 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:08,410 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:09,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:09,206 INFO L93 Difference]: Finished difference Result 356 states and 474 transitions. [2020-08-22 02:50:09,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 02:50:09,208 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-08-22 02:50:09,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:09,213 INFO L225 Difference]: With dead ends: 356 [2020-08-22 02:50:09,213 INFO L226 Difference]: Without dead ends: 269 [2020-08-22 02:50:09,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-22 02:50:09,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-08-22 02:50:09,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 192. [2020-08-22 02:50:09,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-08-22 02:50:09,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 228 transitions. [2020-08-22 02:50:09,273 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 228 transitions. Word has length 69 [2020-08-22 02:50:09,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:09,274 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 228 transitions. [2020-08-22 02:50:09,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:50:09,274 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 228 transitions. [2020-08-22 02:50:09,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-22 02:50:09,277 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:50:09,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:50:09,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 02:50:09,278 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:50:09,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:50:09,279 INFO L82 PathProgramCache]: Analyzing trace with hash -2006019637, now seen corresponding path program 1 times [2020-08-22 02:50:09,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:50:09,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722073893] [2020-08-22 02:50:09,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:50:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,558 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:09,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:50:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:50:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:50:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:50:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:50:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:50:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 02:50:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 02:50:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:50:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 02:50:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-22 02:50:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 02:50:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:50:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:50:09,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722073893] [2020-08-22 02:50:09,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:50:09,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 02:50:09,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361958981] [2020-08-22 02:50:09,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 02:50:09,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:50:09,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 02:50:09,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 02:50:09,698 INFO L87 Difference]: Start difference. First operand 192 states and 228 transitions. Second operand 10 states. [2020-08-22 02:50:10,182 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:50:11,112 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:11,360 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:11,606 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:50:11,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:50:11,823 INFO L93 Difference]: Finished difference Result 329 states and 420 transitions. [2020-08-22 02:50:11,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 02:50:11,824 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 73 [2020-08-22 02:50:11,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:50:11,825 INFO L225 Difference]: With dead ends: 329 [2020-08-22 02:50:11,825 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 02:50:11,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-22 02:50:11,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 02:50:11,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 02:50:11,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 02:50:11,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 02:50:11,828 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-08-22 02:50:11,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:50:11,829 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 02:50:11,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 02:50:11,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 02:50:11,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 02:50:11,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 02:50:11,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 02:50:14,084 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 02:50:14,242 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:14,502 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 02:50:14,667 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-22 02:50:14,924 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 02:50:15,093 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-22 02:50:15,402 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 02:50:15,563 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-22 02:50:15,722 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-22 02:50:15,919 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:50:16,227 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 02:50:16,581 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-22 02:50:16,934 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 02:50:17,318 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 02:50:17,488 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:17,829 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 02:50:18,008 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:18,174 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:18,331 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-22 02:50:18,517 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:18,682 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-22 02:50:18,846 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 02:50:19,169 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 02:50:19,523 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 02:50:19,528 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-22 02:50:19,528 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-22 02:50:19,529 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 02:50:19,529 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-22 02:50:19,529 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-22 02:50:19,529 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-22 02:50:19,529 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-22 02:50:19,529 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-22 02:50:19,529 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 02:50:19,529 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-22 02:50:19,530 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-22 02:50:19,530 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-22 02:50:19,530 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-22 02:50:19,530 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 02:50:19,530 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-22 02:50:19,530 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-22 02:50:19,530 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-22 02:50:19,531 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-22 02:50:19,531 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 673 679) the Hoare annotation is: true [2020-08-22 02:50:19,531 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 673 679) no Hoare annotation was computed. [2020-08-22 02:50:19,531 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 680 688) no Hoare annotation was computed. [2020-08-22 02:50:19,531 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 680 688) the Hoare annotation is: true [2020-08-22 02:50:19,531 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 680 688) no Hoare annotation was computed. [2020-08-22 02:50:19,532 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 529 551) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:19,532 INFO L264 CegarLoopResult]: At program point L541(line 541) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-22 02:50:19,532 INFO L264 CegarLoopResult]: At program point L541-1(line 541) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-22 02:50:19,532 INFO L268 CegarLoopResult]: For program point L539(lines 539 546) no Hoare annotation was computed. [2020-08-22 02:50:19,532 INFO L268 CegarLoopResult]: For program point L539-1(lines 539 546) no Hoare annotation was computed. [2020-08-22 02:50:19,532 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-08-22 02:50:19,533 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 529 551) no Hoare annotation was computed. [2020-08-22 02:50:19,533 INFO L264 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:19,533 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:19,533 INFO L264 CegarLoopResult]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:19,533 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 529 551) no Hoare annotation was computed. [2020-08-22 02:50:19,534 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 483 506) no Hoare annotation was computed. [2020-08-22 02:50:19,534 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 483 506) no Hoare annotation was computed. [2020-08-22 02:50:19,534 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 483 506) no Hoare annotation was computed. [2020-08-22 02:50:19,534 INFO L268 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-08-22 02:50:19,534 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-22 02:50:19,534 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-22 02:50:19,534 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-08-22 02:50:19,535 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-22 02:50:19,535 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-22 02:50:19,535 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-08-22 02:50:19,535 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-22 02:50:19,535 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-22 02:50:19,535 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-08-22 02:50:19,535 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-22 02:50:19,535 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-22 02:50:19,536 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-08-22 02:50:19,536 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-22 02:50:19,536 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 805 813) no Hoare annotation was computed. [2020-08-22 02:50:19,536 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 805 813) the Hoare annotation is: true [2020-08-22 02:50:19,536 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 805 813) no Hoare annotation was computed. [2020-08-22 02:50:19,536 INFO L268 CegarLoopResult]: For program point L859(lines 859 863) no Hoare annotation was computed. [2020-08-22 02:50:19,536 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 850 868) the Hoare annotation is: true [2020-08-22 02:50:19,537 INFO L271 CegarLoopResult]: At program point L857(line 857) the Hoare annotation is: true [2020-08-22 02:50:19,537 INFO L268 CegarLoopResult]: For program point L859-2(lines 859 863) no Hoare annotation was computed. [2020-08-22 02:50:19,537 INFO L268 CegarLoopResult]: For program point L857-1(line 857) no Hoare annotation was computed. [2020-08-22 02:50:19,537 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 850 868) no Hoare annotation was computed. [2020-08-22 02:50:19,537 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 850 868) no Hoare annotation was computed. [2020-08-22 02:50:19,537 INFO L268 CegarLoopResult]: For program point L833(lines 833 841) no Hoare annotation was computed. [2020-08-22 02:50:19,537 INFO L268 CegarLoopResult]: For program point L833-2(lines 833 841) no Hoare annotation was computed. [2020-08-22 02:50:19,537 INFO L268 CegarLoopResult]: For program point L821(lines 821 829) no Hoare annotation was computed. [2020-08-22 02:50:19,537 INFO L268 CegarLoopResult]: For program point L821-2(lines 821 829) no Hoare annotation was computed. [2020-08-22 02:50:19,537 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 814 849) no Hoare annotation was computed. [2020-08-22 02:50:19,537 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-08-22 02:50:19,537 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-08-22 02:50:19,538 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 814 849) no Hoare annotation was computed. [2020-08-22 02:50:19,538 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 814 849) no Hoare annotation was computed. [2020-08-22 02:50:19,538 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 666 672) no Hoare annotation was computed. [2020-08-22 02:50:19,538 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 666 672) the Hoare annotation is: true [2020-08-22 02:50:19,538 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-22 02:50:19,538 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-22 02:50:19,538 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-22 02:50:19,538 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-22 02:50:19,539 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-22 02:50:19,539 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-22 02:50:19,539 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-22 02:50:19,539 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-22 02:50:19,539 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-22 02:50:19,539 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 515 525) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:19,540 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 515 525) no Hoare annotation was computed. [2020-08-22 02:50:19,540 INFO L264 CegarLoopResult]: At program point L520(line 520) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:19,540 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 515 525) no Hoare annotation was computed. [2020-08-22 02:50:19,540 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 794 804) the Hoare annotation is: true [2020-08-22 02:50:19,540 INFO L271 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: true [2020-08-22 02:50:19,540 INFO L268 CegarLoopResult]: For program point L799-1(line 799) no Hoare annotation was computed. [2020-08-22 02:50:19,541 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 794 804) no Hoare annotation was computed. [2020-08-22 02:50:19,541 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 794 804) no Hoare annotation was computed. [2020-08-22 02:50:19,541 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 786 793) the Hoare annotation is: true [2020-08-22 02:50:19,541 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 786 793) no Hoare annotation was computed. [2020-08-22 02:50:19,541 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 786 793) no Hoare annotation was computed. [2020-08-22 02:50:19,541 INFO L264 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:19,541 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:19,541 INFO L268 CegarLoopResult]: For program point L761(lines 761 769) no Hoare annotation was computed. [2020-08-22 02:50:19,542 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:19,542 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 753 777) no Hoare annotation was computed. [2020-08-22 02:50:19,542 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-08-22 02:50:19,542 INFO L268 CegarLoopResult]: For program point L757(lines 757 774) no Hoare annotation was computed. [2020-08-22 02:50:19,542 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 753 777) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:19,542 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:19,543 INFO L268 CegarLoopResult]: For program point L772-1(lines 753 777) no Hoare annotation was computed. [2020-08-22 02:50:19,543 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 719 725) no Hoare annotation was computed. [2020-08-22 02:50:19,543 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 719 725) the Hoare annotation is: true [2020-08-22 02:50:19,543 INFO L264 CegarLoopResult]: At program point testENTRY(lines 870 933) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:19,543 INFO L264 CegarLoopResult]: At program point L892(line 892) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:50:19,543 INFO L264 CegarLoopResult]: At program point L923(lines 880 925) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:50:19,543 INFO L268 CegarLoopResult]: For program point L890(lines 890 896) no Hoare annotation was computed. [2020-08-22 02:50:19,544 INFO L268 CegarLoopResult]: For program point L890-1(lines 890 896) no Hoare annotation was computed. [2020-08-22 02:50:19,544 INFO L268 CegarLoopResult]: For program point testFINAL(lines 870 933) no Hoare annotation was computed. [2020-08-22 02:50:19,544 INFO L268 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2020-08-22 02:50:19,544 INFO L264 CegarLoopResult]: At program point L926(lines 879 927) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:50:19,544 INFO L268 CegarLoopResult]: For program point L916(lines 916 920) no Hoare annotation was computed. [2020-08-22 02:50:19,544 INFO L264 CegarLoopResult]: At program point L916-2(lines 910 921) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:50:19,544 INFO L268 CegarLoopResult]: For program point L881(lines 880 925) no Hoare annotation was computed. [2020-08-22 02:50:19,545 INFO L268 CegarLoopResult]: For program point L910(lines 910 921) no Hoare annotation was computed. [2020-08-22 02:50:19,545 INFO L264 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:50:19,545 INFO L268 CegarLoopResult]: For program point L900(lines 900 906) no Hoare annotation was computed. [2020-08-22 02:50:19,545 INFO L268 CegarLoopResult]: For program point L900-1(lines 900 906) no Hoare annotation was computed. [2020-08-22 02:50:19,545 INFO L268 CegarLoopResult]: For program point testEXIT(lines 870 933) no Hoare annotation was computed. [2020-08-22 02:50:19,545 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-22 02:50:19,545 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-22 02:50:19,546 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-22 02:50:19,546 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-22 02:50:19,546 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-22 02:50:19,546 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-22 02:50:19,546 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 636 644) no Hoare annotation was computed. [2020-08-22 02:50:19,546 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 636 644) the Hoare annotation is: true [2020-08-22 02:50:19,546 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 636 644) no Hoare annotation was computed. [2020-08-22 02:50:19,546 INFO L264 CegarLoopResult]: At program point L433(line 433) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 02:50:19,546 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 418 446) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:50:19,546 INFO L268 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-08-22 02:50:19,546 INFO L268 CegarLoopResult]: For program point L430(lines 430 440) no Hoare annotation was computed. [2020-08-22 02:50:19,547 INFO L264 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-22 02:50:19,547 INFO L268 CegarLoopResult]: For program point L428-1(line 428) no Hoare annotation was computed. [2020-08-22 02:50:19,547 INFO L268 CegarLoopResult]: For program point L426(lines 426 443) no Hoare annotation was computed. [2020-08-22 02:50:19,547 INFO L268 CegarLoopResult]: For program point L426-1(lines 418 446) no Hoare annotation was computed. [2020-08-22 02:50:19,547 INFO L264 CegarLoopResult]: At program point L424(line 424) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:50:19,547 INFO L268 CegarLoopResult]: For program point L424-1(line 424) no Hoare annotation was computed. [2020-08-22 02:50:19,547 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 418 446) no Hoare annotation was computed. [2020-08-22 02:50:19,547 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 410 417) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:50:19,547 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 410 417) no Hoare annotation was computed. [2020-08-22 02:50:19,547 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 410 417) no Hoare annotation was computed. [2020-08-22 02:50:19,547 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 604 626) no Hoare annotation was computed. [2020-08-22 02:50:19,548 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 604 626) no Hoare annotation was computed. [2020-08-22 02:50:19,548 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 604 626) no Hoare annotation was computed. [2020-08-22 02:50:19,548 INFO L268 CegarLoopResult]: For program point L612(lines 612 620) no Hoare annotation was computed. [2020-08-22 02:50:19,548 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2020-08-22 02:50:19,548 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-22 02:50:19,548 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-22 02:50:19,548 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-22 02:50:19,548 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-22 02:50:19,548 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-22 02:50:19,548 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-22 02:50:19,548 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-22 02:50:19,548 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-22 02:50:19,548 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-22 02:50:19,549 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-22 02:50:19,549 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-22 02:50:19,549 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-22 02:50:19,549 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-22 02:50:19,549 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-22 02:50:19,549 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-22 02:50:19,549 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-22 02:50:19,549 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 656 665) no Hoare annotation was computed. [2020-08-22 02:50:19,549 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 656 665) no Hoare annotation was computed. [2020-08-22 02:50:19,549 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 656 665) no Hoare annotation was computed. [2020-08-22 02:50:19,549 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:50:19,550 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 02:50:19,550 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:50:19,550 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 778 785) no Hoare annotation was computed. [2020-08-22 02:50:19,550 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 778 785) no Hoare annotation was computed. [2020-08-22 02:50:19,550 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 778 785) no Hoare annotation was computed. [2020-08-22 02:50:19,550 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 627 635) no Hoare annotation was computed. [2020-08-22 02:50:19,551 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 627 635) no Hoare annotation was computed. [2020-08-22 02:50:19,551 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 627 635) no Hoare annotation was computed. [2020-08-22 02:50:19,551 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:50:19,551 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 02:50:19,551 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:50:19,551 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 583 594) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-22 02:50:19,551 INFO L268 CegarLoopResult]: For program point L587-1(lines 583 594) no Hoare annotation was computed. [2020-08-22 02:50:19,551 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 583 594) no Hoare annotation was computed. [2020-08-22 02:50:19,552 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 595 603) the Hoare annotation is: true [2020-08-22 02:50:19,552 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 595 603) no Hoare annotation was computed. [2020-08-22 02:50:19,552 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 595 603) no Hoare annotation was computed. [2020-08-22 02:50:19,552 INFO L264 CegarLoopResult]: At program point L701(line 701) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:19,552 INFO L268 CegarLoopResult]: For program point L699(lines 698 717) no Hoare annotation was computed. [2020-08-22 02:50:19,552 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 695 718) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:19,552 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 695 718) no Hoare annotation was computed. [2020-08-22 02:50:19,552 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 695 718) no Hoare annotation was computed. [2020-08-22 02:50:19,552 INFO L264 CegarLoopResult]: At program point L708(line 708) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:19,552 INFO L264 CegarLoopResult]: At program point L706(lines 706 712) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:19,552 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 450 479) no Hoare annotation was computed. [2020-08-22 02:50:19,553 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 450 479) the Hoare annotation is: true [2020-08-22 02:50:19,553 INFO L271 CegarLoopResult]: At program point L475(lines 450 479) the Hoare annotation is: true [2020-08-22 02:50:19,553 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-08-22 02:50:19,553 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-08-22 02:50:19,553 INFO L271 CegarLoopResult]: At program point L464-1(lines 464 468) the Hoare annotation is: true [2020-08-22 02:50:19,553 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-22 02:50:19,553 INFO L271 CegarLoopResult]: At program point L460-2(lines 460 474) the Hoare annotation is: true [2020-08-22 02:50:19,553 INFO L271 CegarLoopResult]: At program point L456(line 456) the Hoare annotation is: true [2020-08-22 02:50:19,553 INFO L268 CegarLoopResult]: For program point L456-1(line 456) no Hoare annotation was computed. [2020-08-22 02:50:19,553 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 559 570) the Hoare annotation is: true [2020-08-22 02:50:19,554 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 559 570) no Hoare annotation was computed. [2020-08-22 02:50:19,554 INFO L268 CegarLoopResult]: For program point L563-1(lines 559 570) no Hoare annotation was computed. [2020-08-22 02:50:19,554 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 507 513) no Hoare annotation was computed. [2020-08-22 02:50:19,554 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 507 513) the Hoare annotation is: true [2020-08-22 02:50:19,554 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:50:19,554 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-22 02:50:19,554 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 02:50:19,554 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:50:19,554 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 571 582) no Hoare annotation was computed. [2020-08-22 02:50:19,554 INFO L268 CegarLoopResult]: For program point L575-1(lines 571 582) no Hoare annotation was computed. [2020-08-22 02:50:19,555 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 571 582) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 02:50:19,555 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 646 653) no Hoare annotation was computed. [2020-08-22 02:50:19,555 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2020-08-22 02:50:19,555 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 646 653) the Hoare annotation is: true [2020-08-22 02:50:19,555 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 646 653) no Hoare annotation was computed. [2020-08-22 02:50:19,555 INFO L264 CegarLoopResult]: At program point L737(line 737) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:19,555 INFO L268 CegarLoopResult]: For program point L735(lines 735 743) no Hoare annotation was computed. [2020-08-22 02:50:19,555 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 727 751) no Hoare annotation was computed. [2020-08-22 02:50:19,555 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:19,556 INFO L268 CegarLoopResult]: For program point L733-1(line 733) no Hoare annotation was computed. [2020-08-22 02:50:19,556 INFO L268 CegarLoopResult]: For program point L731(lines 731 748) no Hoare annotation was computed. [2020-08-22 02:50:19,556 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 727 751) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:19,556 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:19,556 INFO L268 CegarLoopResult]: For program point L746-1(lines 727 751) no Hoare annotation was computed. [2020-08-22 02:50:19,556 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:50:19,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:50:19 BoogieIcfgContainer [2020-08-22 02:50:19,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 02:50:19,574 INFO L168 Benchmark]: Toolchain (without parser) took 23001.62 ms. Allocated memory was 144.2 MB in the beginning and 589.3 MB in the end (delta: 445.1 MB). Free memory was 106.3 MB in the beginning and 427.6 MB in the end (delta: -321.2 MB). Peak memory consumption was 433.6 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:19,575 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 144.2 MB. Free memory was 125.7 MB in the beginning and 125.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 02:50:19,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.04 ms. Allocated memory was 144.2 MB in the beginning and 205.0 MB in the end (delta: 60.8 MB). Free memory was 106.1 MB in the beginning and 171.7 MB in the end (delta: -65.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:19,577 INFO L168 Benchmark]: Boogie Preprocessor took 126.28 ms. Allocated memory is still 205.0 MB. Free memory was 171.7 MB in the beginning and 167.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:19,578 INFO L168 Benchmark]: RCFGBuilder took 1219.61 ms. Allocated memory was 205.0 MB in the beginning and 230.7 MB in the end (delta: 25.7 MB). Free memory was 166.9 MB in the beginning and 180.7 MB in the end (delta: -13.8 MB). Peak memory consumption was 72.3 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:19,579 INFO L168 Benchmark]: TraceAbstraction took 20986.75 ms. Allocated memory was 230.7 MB in the beginning and 589.3 MB in the end (delta: 358.6 MB). Free memory was 179.5 MB in the beginning and 427.6 MB in the end (delta: -248.1 MB). Peak memory consumption was 420.3 MB. Max. memory is 7.1 GB. [2020-08-22 02:50:19,584 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 144.2 MB. Free memory was 125.7 MB in the beginning and 125.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.04 ms. Allocated memory was 144.2 MB in the beginning and 205.0 MB in the end (delta: 60.8 MB). Free memory was 106.1 MB in the beginning and 171.7 MB in the end (delta: -65.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.28 ms. Allocated memory is still 205.0 MB. Free memory was 171.7 MB in the beginning and 167.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1219.61 ms. Allocated memory was 205.0 MB in the beginning and 230.7 MB in the end (delta: 25.7 MB). Free memory was 166.9 MB in the beginning and 180.7 MB in the end (delta: -13.8 MB). Peak memory consumption was 72.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20986.75 ms. Allocated memory was 230.7 MB in the beginning and 589.3 MB in the end (delta: 358.6 MB). Free memory was 179.5 MB in the beginning and 427.6 MB in the end (delta: -248.1 MB). Peak memory consumption was 420.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 650]: 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: 450]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 491 SDtfs, 822 SDslu, 418 SDs, 0 SdLazy, 2003 SolverSat, 543 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 168 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 340 PreInvPairs, 372 NumberOfFragments, 812 HoareAnnotationTreeSize, 340 FomulaSimplifications, 91069 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 58 FomulaSimplificationsInter, 8710 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 88876 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...