/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:41:30,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:41:30,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:41:30,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:41:30,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:41:30,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:41:30,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:41:30,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:41:30,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:41:30,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:41:30,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:41:30,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:41:30,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:41:30,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:41:30,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:41:31,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:41:31,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:41:31,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:41:31,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:41:31,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:41:31,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:41:31,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:41:31,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:41:31,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:41:31,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:41:31,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:41:31,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:41:31,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:41:31,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:41:31,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:41:31,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:41:31,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:41:31,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:41:31,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:41:31,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:41:31,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:41:31,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:41:31,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:41:31,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:41:31,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:41:31,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:41:31,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 10:41:31,036 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:41:31,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:41:31,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:41:31,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:41:31,037 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:41:31,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:41:31,038 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:41:31,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:41:31,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:41:31,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:41:31,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:41:31,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:41:31,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:41:31,039 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:41:31,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:41:31,040 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:41:31,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:41:31,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:41:31,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:41:31,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:41:31,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:41:31,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:41:31,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:41:31,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:41:31,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:41:31,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:41:31,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:31,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:41:31,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:41:31,042 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:41:31,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:41:31,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:41:31,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:41:31,380 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:41:31,380 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:41:31,381 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2020-07-20 10:41:31,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c9c7c8a2/78373172b8b34ab397067776408d69a5/FLAG268d6e442 [2020-07-20 10:41:31,925 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:41:31,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2020-07-20 10:41:31,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c9c7c8a2/78373172b8b34ab397067776408d69a5/FLAG268d6e442 [2020-07-20 10:41:32,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c9c7c8a2/78373172b8b34ab397067776408d69a5 [2020-07-20 10:41:32,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:41:32,281 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:41:32,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:32,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:41:32,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:41:32,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:32" (1/1) ... [2020-07-20 10:41:32,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c07bb8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:32, skipping insertion in model container [2020-07-20 10:41:32,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:32" (1/1) ... [2020-07-20 10:41:32,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:41:32,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:41:32,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:32,876 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:41:32,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:33,020 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:41:33,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:33 WrapperNode [2020-07-20 10:41:33,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:33,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:41:33,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:41:33,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:41:33,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:33" (1/1) ... [2020-07-20 10:41:33,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:33" (1/1) ... [2020-07-20 10:41:33,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:33" (1/1) ... [2020-07-20 10:41:33,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:33" (1/1) ... [2020-07-20 10:41:33,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:33" (1/1) ... [2020-07-20 10:41:33,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:33" (1/1) ... [2020-07-20 10:41:33,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:33" (1/1) ... [2020-07-20 10:41:33,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:41:33,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:41:33,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:41:33,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:41:33,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 10:41:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:41:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:41:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:41:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:41:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:41:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:41:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:41:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:41:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:41:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:41:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:41:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:41:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:41:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:41:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:41:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:41:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:41:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:41:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:41:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:41:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:41:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:41:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:41:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:41:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:41:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:41:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:41:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:41:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:41:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:41:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:41:33,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:41:33,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:41:33,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:41:33,177 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:41:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:41:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:41:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:41:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:41:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:41:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:41:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:41:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:41:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:41:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:41:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:41:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:41:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:41:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:41:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:41:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:41:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:41:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:41:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:41:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:41:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:41:33,180 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:41:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:41:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:41:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:41:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:41:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:41:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:41:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:41:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:41:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:41:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:41:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:41:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:41:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:41:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:41:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:41:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:41:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:41:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:41:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:41:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:41:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:41:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:41:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:41:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:41:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:41:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:41:33,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:41:34,309 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:41:34,309 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:41:34,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:34 BoogieIcfgContainer [2020-07-20 10:41:34,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:41:34,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:41:34,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:41:34,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:41:34,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:41:32" (1/3) ... [2020-07-20 10:41:34,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21af9fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:34, skipping insertion in model container [2020-07-20 10:41:34,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:33" (2/3) ... [2020-07-20 10:41:34,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21af9fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:34, skipping insertion in model container [2020-07-20 10:41:34,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:34" (3/3) ... [2020-07-20 10:41:34,323 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2020-07-20 10:41:34,333 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:41:34,340 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:41:34,352 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:41:34,373 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:41:34,373 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:41:34,373 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:41:34,373 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:41:34,374 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:41:34,374 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:41:34,374 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:41:34,374 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:41:34,398 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states. [2020-07-20 10:41:34,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 10:41:34,409 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:34,410 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] [2020-07-20 10:41:34,410 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:34,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:34,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1859141612, now seen corresponding path program 1 times [2020-07-20 10:41:34,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:34,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568656206] [2020-07-20 10:41:34,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:34,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:41:34,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:34,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:34,767 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:34,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568656206] [2020-07-20 10:41:34,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:34,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:41:34,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722238333] [2020-07-20 10:41:34,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:41:34,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:34,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:41:34,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:41:34,791 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 2 states. [2020-07-20 10:41:34,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:34,833 INFO L93 Difference]: Finished difference Result 278 states and 349 transitions. [2020-07-20 10:41:34,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:41:34,835 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 10:41:34,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:34,848 INFO L225 Difference]: With dead ends: 278 [2020-07-20 10:41:34,848 INFO L226 Difference]: Without dead ends: 141 [2020-07-20 10:41:34,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:41:34,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-07-20 10:41:34,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2020-07-20 10:41:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-07-20 10:41:34,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2020-07-20 10:41:34,909 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 51 [2020-07-20 10:41:34,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:34,910 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2020-07-20 10:41:34,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:41:34,910 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2020-07-20 10:41:34,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 10:41:34,914 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:34,914 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] [2020-07-20 10:41:35,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:35,128 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:35,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:35,130 INFO L82 PathProgramCache]: Analyzing trace with hash 2121847036, now seen corresponding path program 1 times [2020-07-20 10:41:35,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:35,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134355131] [2020-07-20 10:41:35,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:35,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:41:35,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:35,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:35,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:35,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134355131] [2020-07-20 10:41:35,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:35,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:35,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113638144] [2020-07-20 10:41:35,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:35,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:35,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:35,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:35,404 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 3 states. [2020-07-20 10:41:35,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:35,429 INFO L93 Difference]: Finished difference Result 221 states and 263 transitions. [2020-07-20 10:41:35,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:35,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 10:41:35,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:35,432 INFO L225 Difference]: With dead ends: 221 [2020-07-20 10:41:35,432 INFO L226 Difference]: Without dead ends: 132 [2020-07-20 10:41:35,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:35,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-20 10:41:35,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-07-20 10:41:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-20 10:41:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2020-07-20 10:41:35,449 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 52 [2020-07-20 10:41:35,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:35,450 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2020-07-20 10:41:35,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:35,450 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2020-07-20 10:41:35,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 10:41:35,453 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:35,453 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] [2020-07-20 10:41:35,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:35,667 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:35,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:35,667 INFO L82 PathProgramCache]: Analyzing trace with hash 51071948, now seen corresponding path program 1 times [2020-07-20 10:41:35,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:35,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [670490563] [2020-07-20 10:41:35,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:35,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:41:35,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:35,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:35,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:35,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [670490563] [2020-07-20 10:41:35,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:35,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:35,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079160247] [2020-07-20 10:41:35,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:35,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:35,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:35,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:35,901 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand 3 states. [2020-07-20 10:41:35,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:35,932 INFO L93 Difference]: Finished difference Result 338 states and 412 transitions. [2020-07-20 10:41:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:35,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 10:41:35,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:35,937 INFO L225 Difference]: With dead ends: 338 [2020-07-20 10:41:35,937 INFO L226 Difference]: Without dead ends: 234 [2020-07-20 10:41:35,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:35,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-07-20 10:41:35,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 230. [2020-07-20 10:41:35,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-07-20 10:41:35,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 279 transitions. [2020-07-20 10:41:35,988 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 279 transitions. Word has length 56 [2020-07-20 10:41:35,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:35,991 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 279 transitions. [2020-07-20 10:41:35,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:35,991 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 279 transitions. [2020-07-20 10:41:36,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 10:41:36,000 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:36,001 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] [2020-07-20 10:41:36,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:36,216 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:36,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:36,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1476511447, now seen corresponding path program 1 times [2020-07-20 10:41:36,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:36,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1914226619] [2020-07-20 10:41:36,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:36,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:36,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:36,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:36,463 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:36,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1914226619] [2020-07-20 10:41:36,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:36,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:36,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480087865] [2020-07-20 10:41:36,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:36,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:36,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:36,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:36,466 INFO L87 Difference]: Start difference. First operand 230 states and 279 transitions. Second operand 3 states. [2020-07-20 10:41:36,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:36,510 INFO L93 Difference]: Finished difference Result 432 states and 538 transitions. [2020-07-20 10:41:36,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:36,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-07-20 10:41:36,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:36,516 INFO L225 Difference]: With dead ends: 432 [2020-07-20 10:41:36,516 INFO L226 Difference]: Without dead ends: 429 [2020-07-20 10:41:36,517 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:36,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-07-20 10:41:36,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2020-07-20 10:41:36,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-07-20 10:41:36,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 534 transitions. [2020-07-20 10:41:36,557 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 534 transitions. Word has length 62 [2020-07-20 10:41:36,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:36,558 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 534 transitions. [2020-07-20 10:41:36,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 534 transitions. [2020-07-20 10:41:36,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 10:41:36,563 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:36,563 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:36,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:36,779 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:36,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:36,779 INFO L82 PathProgramCache]: Analyzing trace with hash 2066565558, now seen corresponding path program 1 times [2020-07-20 10:41:36,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:36,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493188655] [2020-07-20 10:41:36,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:36,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:41:36,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:37,031 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 10:41:37,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:37,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493188655] [2020-07-20 10:41:37,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:37,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:41:37,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747852480] [2020-07-20 10:41:37,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:37,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:37,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:37,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:41:37,035 INFO L87 Difference]: Start difference. First operand 429 states and 534 transitions. Second operand 6 states. [2020-07-20 10:41:37,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:37,281 INFO L93 Difference]: Finished difference Result 1022 states and 1326 transitions. [2020-07-20 10:41:37,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:41:37,281 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-20 10:41:37,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:37,286 INFO L225 Difference]: With dead ends: 1022 [2020-07-20 10:41:37,286 INFO L226 Difference]: Without dead ends: 621 [2020-07-20 10:41:37,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:37,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2020-07-20 10:41:37,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 595. [2020-07-20 10:41:37,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-07-20 10:41:37,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 738 transitions. [2020-07-20 10:41:37,384 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 738 transitions. Word has length 92 [2020-07-20 10:41:37,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:37,385 INFO L479 AbstractCegarLoop]: Abstraction has 595 states and 738 transitions. [2020-07-20 10:41:37,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:37,385 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 738 transitions. [2020-07-20 10:41:37,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-20 10:41:37,393 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:37,394 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:37,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:37,609 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:37,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:37,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1266144176, now seen corresponding path program 1 times [2020-07-20 10:41:37,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:37,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365523821] [2020-07-20 10:41:37,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:37,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:41:37,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:37,861 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-20 10:41:37,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:37,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365523821] [2020-07-20 10:41:37,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:37,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:37,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096654699] [2020-07-20 10:41:37,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:37,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:37,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:37,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:37,864 INFO L87 Difference]: Start difference. First operand 595 states and 738 transitions. Second operand 3 states. [2020-07-20 10:41:37,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:37,978 INFO L93 Difference]: Finished difference Result 656 states and 815 transitions. [2020-07-20 10:41:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:37,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-07-20 10:41:37,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:37,981 INFO L225 Difference]: With dead ends: 656 [2020-07-20 10:41:37,981 INFO L226 Difference]: Without dead ends: 302 [2020-07-20 10:41:37,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:37,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-07-20 10:41:37,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2020-07-20 10:41:37,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-07-20 10:41:38,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 361 transitions. [2020-07-20 10:41:38,002 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 361 transitions. Word has length 139 [2020-07-20 10:41:38,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:38,002 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 361 transitions. [2020-07-20 10:41:38,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:38,003 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 361 transitions. [2020-07-20 10:41:38,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-20 10:41:38,005 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:38,005 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:38,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:38,219 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:38,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:38,220 INFO L82 PathProgramCache]: Analyzing trace with hash 384220248, now seen corresponding path program 1 times [2020-07-20 10:41:38,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:38,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329108593] [2020-07-20 10:41:38,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:38,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:41:38,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 10:41:38,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:38,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329108593] [2020-07-20 10:41:38,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:38,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:41:38,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441610252] [2020-07-20 10:41:38,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:38,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:38,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:38,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:41:38,536 INFO L87 Difference]: Start difference. First operand 302 states and 361 transitions. Second operand 6 states. [2020-07-20 10:41:39,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:39,243 INFO L93 Difference]: Finished difference Result 1042 states and 1423 transitions. [2020-07-20 10:41:39,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:41:39,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-07-20 10:41:39,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:39,250 INFO L225 Difference]: With dead ends: 1042 [2020-07-20 10:41:39,250 INFO L226 Difference]: Without dead ends: 768 [2020-07-20 10:41:39,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:39,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-07-20 10:41:39,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 720. [2020-07-20 10:41:39,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2020-07-20 10:41:39,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 931 transitions. [2020-07-20 10:41:39,306 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 931 transitions. Word has length 157 [2020-07-20 10:41:39,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:39,306 INFO L479 AbstractCegarLoop]: Abstraction has 720 states and 931 transitions. [2020-07-20 10:41:39,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 931 transitions. [2020-07-20 10:41:39,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-20 10:41:39,312 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:39,313 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:39,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:39,526 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:39,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:39,527 INFO L82 PathProgramCache]: Analyzing trace with hash 631632443, now seen corresponding path program 1 times [2020-07-20 10:41:39,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:39,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793000230] [2020-07-20 10:41:39,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:39,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 10:41:39,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:39,840 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 10:41:39,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:39,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793000230] [2020-07-20 10:41:39,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:39,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:41:39,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254774957] [2020-07-20 10:41:39,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:39,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:39,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:39,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:39,843 INFO L87 Difference]: Start difference. First operand 720 states and 931 transitions. Second operand 8 states. [2020-07-20 10:41:41,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:41,217 INFO L93 Difference]: Finished difference Result 2034 states and 2870 transitions. [2020-07-20 10:41:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 10:41:41,218 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2020-07-20 10:41:41,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:41,230 INFO L225 Difference]: With dead ends: 2034 [2020-07-20 10:41:41,231 INFO L226 Difference]: Without dead ends: 1342 [2020-07-20 10:41:41,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-07-20 10:41:41,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2020-07-20 10:41:41,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1176. [2020-07-20 10:41:41,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2020-07-20 10:41:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1583 transitions. [2020-07-20 10:41:41,306 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1583 transitions. Word has length 165 [2020-07-20 10:41:41,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:41,306 INFO L479 AbstractCegarLoop]: Abstraction has 1176 states and 1583 transitions. [2020-07-20 10:41:41,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:41,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1583 transitions. [2020-07-20 10:41:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-20 10:41:41,311 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:41,311 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:41,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:41,525 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:41,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:41,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1370802937, now seen corresponding path program 1 times [2020-07-20 10:41:41,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:41,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177506787] [2020-07-20 10:41:41,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:41,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 10:41:41,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:41,829 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 10:41:41,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:41:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-07-20 10:41:42,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177506787] [2020-07-20 10:41:42,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:41:42,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-20 10:41:42,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776345112] [2020-07-20 10:41:42,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:42,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:42,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:42,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:42,084 INFO L87 Difference]: Start difference. First operand 1176 states and 1583 transitions. Second operand 6 states. [2020-07-20 10:41:42,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:42,374 INFO L93 Difference]: Finished difference Result 3307 states and 4662 transitions. [2020-07-20 10:41:42,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:42,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-07-20 10:41:42,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:42,389 INFO L225 Difference]: With dead ends: 3307 [2020-07-20 10:41:42,389 INFO L226 Difference]: Without dead ends: 2159 [2020-07-20 10:41:42,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 309 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:41:42,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2159 states. [2020-07-20 10:41:42,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2159 to 1778. [2020-07-20 10:41:42,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1778 states. [2020-07-20 10:41:42,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2359 transitions. [2020-07-20 10:41:42,542 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2359 transitions. Word has length 157 [2020-07-20 10:41:42,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:42,542 INFO L479 AbstractCegarLoop]: Abstraction has 1778 states and 2359 transitions. [2020-07-20 10:41:42,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2359 transitions. [2020-07-20 10:41:42,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-20 10:41:42,550 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:42,550 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:42,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:42,764 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:42,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:42,765 INFO L82 PathProgramCache]: Analyzing trace with hash -997660643, now seen corresponding path program 1 times [2020-07-20 10:41:42,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:42,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [587552492] [2020-07-20 10:41:42,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:42,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:41:42,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:43,054 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-20 10:41:43,054 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:43,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [587552492] [2020-07-20 10:41:43,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:43,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:41:43,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217139319] [2020-07-20 10:41:43,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:43,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:43,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:43,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:43,056 INFO L87 Difference]: Start difference. First operand 1778 states and 2359 transitions. Second operand 8 states. [2020-07-20 10:41:43,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:43,649 INFO L93 Difference]: Finished difference Result 3323 states and 4481 transitions. [2020-07-20 10:41:43,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:43,650 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 161 [2020-07-20 10:41:43,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:43,682 INFO L225 Difference]: With dead ends: 3323 [2020-07-20 10:41:43,683 INFO L226 Difference]: Without dead ends: 1573 [2020-07-20 10:41:43,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:43,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2020-07-20 10:41:43,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1557. [2020-07-20 10:41:43,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1557 states. [2020-07-20 10:41:43,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 1978 transitions. [2020-07-20 10:41:43,879 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 1978 transitions. Word has length 161 [2020-07-20 10:41:43,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:43,880 INFO L479 AbstractCegarLoop]: Abstraction has 1557 states and 1978 transitions. [2020-07-20 10:41:43,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:43,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1978 transitions. [2020-07-20 10:41:43,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-20 10:41:43,891 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:43,892 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:44,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:44,103 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:44,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:44,103 INFO L82 PathProgramCache]: Analyzing trace with hash -686467305, now seen corresponding path program 1 times [2020-07-20 10:41:44,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:44,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844292596] [2020-07-20 10:41:44,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:44,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:41:44,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:44,404 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 10:41:44,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:44,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844292596] [2020-07-20 10:41:44,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:44,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:41:44,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673165889] [2020-07-20 10:41:44,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:44,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:44,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:44,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:44,407 INFO L87 Difference]: Start difference. First operand 1557 states and 1978 transitions. Second operand 8 states. [2020-07-20 10:41:44,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:44,830 INFO L93 Difference]: Finished difference Result 2591 states and 3311 transitions. [2020-07-20 10:41:44,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:44,831 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-07-20 10:41:44,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:44,833 INFO L225 Difference]: With dead ends: 2591 [2020-07-20 10:41:44,833 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:41:44,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:44,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:41:44,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:41:44,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:41:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:41:44,843 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2020-07-20 10:41:44,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:44,844 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:41:44,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:41:44,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:41:45,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:45,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:41:47,108 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 22 [2020-07-20 10:41:47,389 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2020-07-20 10:41:47,509 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2020-07-20 10:41:47,686 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 20 [2020-07-20 10:41:48,355 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 46 [2020-07-20 10:41:48,742 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 19 [2020-07-20 10:41:49,254 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 37 [2020-07-20 10:41:49,406 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2020-07-20 10:41:49,541 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 22 [2020-07-20 10:41:49,740 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 22 [2020-07-20 10:41:49,998 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 24 [2020-07-20 10:41:50,268 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 22 [2020-07-20 10:41:50,538 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 33 [2020-07-20 10:41:50,659 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2020-07-20 10:41:50,798 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 22 [2020-07-20 10:41:51,035 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 22 [2020-07-20 10:41:51,623 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 42 [2020-07-20 10:41:51,803 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 22 [2020-07-20 10:41:51,911 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 21 [2020-07-20 10:41:52,256 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 22 [2020-07-20 10:41:52,735 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 21 [2020-07-20 10:41:52,740 INFO L268 CegarLoopResult]: For program point L186(lines 163 187) no Hoare annotation was computed. [2020-07-20 10:41:52,740 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 139 194) no Hoare annotation was computed. [2020-07-20 10:41:52,740 INFO L268 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-07-20 10:41:52,741 INFO L268 CegarLoopResult]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2020-07-20 10:41:52,741 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 139 194) no Hoare annotation was computed. [2020-07-20 10:41:52,741 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-20 10:41:52,741 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 139 194) no Hoare annotation was computed. [2020-07-20 10:41:52,741 INFO L268 CegarLoopResult]: For program point L164-2(lines 164 185) no Hoare annotation was computed. [2020-07-20 10:41:52,741 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-20 10:41:52,741 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 246) no Hoare annotation was computed. [2020-07-20 10:41:52,741 INFO L268 CegarLoopResult]: For program point L247(lines 220 248) no Hoare annotation was computed. [2020-07-20 10:41:52,742 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 195 254) no Hoare annotation was computed. [2020-07-20 10:41:52,742 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-07-20 10:41:52,742 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-20 10:41:52,742 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 195 254) no Hoare annotation was computed. [2020-07-20 10:41:52,742 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 195 254) no Hoare annotation was computed. [2020-07-20 10:41:52,742 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-20 10:41:52,742 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2020-07-20 10:41:52,743 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-20 10:41:52,743 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-20 10:41:52,743 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-20 10:41:52,743 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-20 10:41:52,743 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-20 10:41:52,743 INFO L264 CegarLoopResult]: At program point L578-1(line 578) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:52,744 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 572 594) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:52,744 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 572 594) no Hoare annotation was computed. [2020-07-20 10:41:52,744 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 572 594) no Hoare annotation was computed. [2020-07-20 10:41:52,744 INFO L264 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:52,744 INFO L264 CegarLoopResult]: At program point L584-1(line 584) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:52,744 INFO L268 CegarLoopResult]: For program point L582(lines 582 589) no Hoare annotation was computed. [2020-07-20 10:41:52,745 INFO L268 CegarLoopResult]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2020-07-20 10:41:52,745 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 10:41:52,745 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:52,745 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:52,745 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 10:41:52,745 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 10:41:52,746 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 529 552) no Hoare annotation was computed. [2020-07-20 10:41:52,746 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-07-20 10:41:52,746 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 10:41:52,746 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 10:41:52,746 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 529 552) no Hoare annotation was computed. [2020-07-20 10:41:52,746 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-07-20 10:41:52,746 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 529 552) no Hoare annotation was computed. [2020-07-20 10:41:52,746 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 10:41:52,746 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 10:41:52,747 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-20 10:41:52,747 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 10:41:52,747 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 10:41:52,747 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-07-20 10:41:52,747 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 10:41:52,747 INFO L268 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-07-20 10:41:52,747 INFO L268 CegarLoopResult]: For program point L738-1(line 738) no Hoare annotation was computed. [2020-07-20 10:41:52,747 INFO L268 CegarLoopResult]: For program point L736(lines 736 753) no Hoare annotation was computed. [2020-07-20 10:41:52,748 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 732 756) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:41:52,748 INFO L264 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:52,748 INFO L268 CegarLoopResult]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2020-07-20 10:41:52,748 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 756) no Hoare annotation was computed. [2020-07-20 10:41:52,748 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:41:52,748 INFO L264 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:41:52,749 INFO L268 CegarLoopResult]: For program point L740(lines 740 748) no Hoare annotation was computed. [2020-07-20 10:41:52,749 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:41:52,749 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (and (or (not (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))) [2020-07-20 10:41:52,749 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2020-07-20 10:41:52,749 INFO L268 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2020-07-20 10:41:52,750 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)))) [2020-07-20 10:41:52,750 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2020-07-20 10:41:52,750 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2020-07-20 10:41:52,750 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2020-07-20 10:41:52,750 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2020-07-20 10:41:52,750 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-07-20 10:41:52,750 INFO L268 CegarLoopResult]: For program point L855(lines 855 863) no Hoare annotation was computed. [2020-07-20 10:41:52,750 INFO L268 CegarLoopResult]: For program point L855-2(lines 855 863) no Hoare annotation was computed. [2020-07-20 10:41:52,750 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 836 871) no Hoare annotation was computed. [2020-07-20 10:41:52,751 INFO L268 CegarLoopResult]: For program point L843(lines 843 851) no Hoare annotation was computed. [2020-07-20 10:41:52,751 INFO L268 CegarLoopResult]: For program point L843-2(lines 843 851) no Hoare annotation was computed. [2020-07-20 10:41:52,751 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 836 871) no Hoare annotation was computed. [2020-07-20 10:41:52,751 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 836 871) no Hoare annotation was computed. [2020-07-20 10:41:52,751 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-20 10:41:52,751 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-20 10:41:52,751 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-20 10:41:52,751 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 93 138) no Hoare annotation was computed. [2020-07-20 10:41:52,752 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 93 138) no Hoare annotation was computed. [2020-07-20 10:41:52,752 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 93 138) no Hoare annotation was computed. [2020-07-20 10:41:52,752 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 406 451) no Hoare annotation was computed. [2020-07-20 10:41:52,752 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 406 451) no Hoare annotation was computed. [2020-07-20 10:41:52,752 INFO L268 CegarLoopResult]: For program point L426(lines 426 433) no Hoare annotation was computed. [2020-07-20 10:41:52,752 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 406 451) no Hoare annotation was computed. [2020-07-20 10:41:52,752 INFO L268 CegarLoopResult]: For program point L420(lines 420 440) no Hoare annotation was computed. [2020-07-20 10:41:52,752 INFO L268 CegarLoopResult]: For program point L420-1(lines 420 440) no Hoare annotation was computed. [2020-07-20 10:41:52,753 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 561 571) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:52,753 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 561 571) no Hoare annotation was computed. [2020-07-20 10:41:52,753 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 561 571) no Hoare annotation was computed. [2020-07-20 10:41:52,753 INFO L264 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:52,753 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2020-07-20 10:41:52,753 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2020-07-20 10:41:52,753 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2020-07-20 10:41:52,754 INFO L271 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: true [2020-07-20 10:41:52,754 INFO L268 CegarLoopResult]: For program point L821-1(line 821) no Hoare annotation was computed. [2020-07-20 10:41:52,754 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: true [2020-07-20 10:41:52,754 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2020-07-20 10:41:52,754 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2020-07-20 10:41:52,754 INFO L268 CegarLoopResult]: For program point L683(lines 683 689) no Hoare annotation was computed. [2020-07-20 10:41:52,754 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 679 692) no Hoare annotation was computed. [2020-07-20 10:41:52,754 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 679 692) the Hoare annotation is: true [2020-07-20 10:41:52,754 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 679 692) no Hoare annotation was computed. [2020-07-20 10:41:52,754 INFO L264 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 (not (= 0 ~methaneLevelCritical~0))) (or (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse0 .cse1 .cse2))) [2020-07-20 10:41:52,754 INFO L268 CegarLoopResult]: For program point L766(lines 766 774) no Hoare annotation was computed. [2020-07-20 10:41:52,755 INFO L264 CegarLoopResult]: At program point L764(line 764) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:52,755 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-07-20 10:41:52,755 INFO L268 CegarLoopResult]: For program point L762(lines 762 779) no Hoare annotation was computed. [2020-07-20 10:41:52,755 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 758 782) no Hoare annotation was computed. [2020-07-20 10:41:52,755 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 758 782) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:41:52,755 INFO L264 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:41:52,755 INFO L268 CegarLoopResult]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2020-07-20 10:41:52,755 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2020-07-20 10:41:52,755 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2020-07-20 10:41:52,755 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2020-07-20 10:41:52,756 INFO L264 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:41:52,756 INFO L264 CegarLoopResult]: At program point testENTRY(lines 907 972) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:52,756 INFO L268 CegarLoopResult]: For program point L927(lines 927 933) no Hoare annotation was computed. [2020-07-20 10:41:52,756 INFO L268 CegarLoopResult]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2020-07-20 10:41:52,756 INFO L268 CegarLoopResult]: For program point L919(lines 919 923) no Hoare annotation was computed. [2020-07-20 10:41:52,756 INFO L268 CegarLoopResult]: For program point testFINAL(lines 907 972) no Hoare annotation was computed. [2020-07-20 10:41:52,756 INFO L264 CegarLoopResult]: At program point L965(lines 916 966) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:52,756 INFO L264 CegarLoopResult]: At program point L955(line 955) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~systemActive~0)))) [2020-07-20 10:41:52,757 INFO L268 CegarLoopResult]: For program point L953(lines 953 959) no Hoare annotation was computed. [2020-07-20 10:41:52,757 INFO L264 CegarLoopResult]: At program point L953-1(lines 947 960) the Hoare annotation is: (let ((.cse1 (<= 1 ~systemActive~0)) (.cse0 (<= test_~splverifierCounter~0 0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) .cse0))) [2020-07-20 10:41:52,757 INFO L268 CegarLoopResult]: For program point L918(lines 917 964) no Hoare annotation was computed. [2020-07-20 10:41:52,757 INFO L268 CegarLoopResult]: For program point L947(lines 947 960) no Hoare annotation was computed. [2020-07-20 10:41:52,757 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:41:52,757 INFO L268 CegarLoopResult]: For program point L937(lines 937 943) no Hoare annotation was computed. [2020-07-20 10:41:52,758 INFO L268 CegarLoopResult]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2020-07-20 10:41:52,758 INFO L268 CegarLoopResult]: For program point testEXIT(lines 907 972) no Hoare annotation was computed. [2020-07-20 10:41:52,758 INFO L264 CegarLoopResult]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:41:52,758 INFO L268 CegarLoopResult]: For program point L380(lines 380 387) no Hoare annotation was computed. [2020-07-20 10:41:52,758 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 360 405) no Hoare annotation was computed. [2020-07-20 10:41:52,758 INFO L268 CegarLoopResult]: For program point L374(lines 374 394) no Hoare annotation was computed. [2020-07-20 10:41:52,758 INFO L268 CegarLoopResult]: For program point L374-1(lines 374 394) no Hoare annotation was computed. [2020-07-20 10:41:52,758 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 360 405) no Hoare annotation was computed. [2020-07-20 10:41:52,759 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 360 405) no Hoare annotation was computed. [2020-07-20 10:41:52,759 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 783 790) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-20 10:41:52,759 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 783 790) no Hoare annotation was computed. [2020-07-20 10:41:52,759 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 783 790) no Hoare annotation was computed. [2020-07-20 10:41:52,759 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~systemActive~0)) .cse1))) [2020-07-20 10:41:52,759 INFO L268 CegarLoopResult]: For program point L477(lines 477 483) no Hoare annotation was computed. [2020-07-20 10:41:52,759 INFO L268 CegarLoopResult]: For program point L476(lines 476 486) no Hoare annotation was computed. [2020-07-20 10:41:52,759 INFO L264 CegarLoopResult]: At program point L474(line 474) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~methaneLevelCritical~0))) [2020-07-20 10:41:52,760 INFO L268 CegarLoopResult]: For program point L474-1(line 474) no Hoare annotation was computed. [2020-07-20 10:41:52,760 INFO L268 CegarLoopResult]: For program point L472(lines 472 489) no Hoare annotation was computed. [2020-07-20 10:41:52,760 INFO L268 CegarLoopResult]: For program point L472-1(lines 464 492) no Hoare annotation was computed. [2020-07-20 10:41:52,760 INFO L264 CegarLoopResult]: At program point L470(line 470) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-20 10:41:52,760 INFO L268 CegarLoopResult]: For program point L470-1(line 470) no Hoare annotation was computed. [2020-07-20 10:41:52,760 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 464 492) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-20 10:41:52,760 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 464 492) no Hoare annotation was computed. [2020-07-20 10:41:52,761 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 456 463) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:41:52,761 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 456 463) no Hoare annotation was computed. [2020-07-20 10:41:52,761 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 456 463) no Hoare annotation was computed. [2020-07-20 10:41:52,761 INFO L268 CegarLoopResult]: For program point L655(lines 655 663) no Hoare annotation was computed. [2020-07-20 10:41:52,761 INFO L268 CegarLoopResult]: For program point L655-2(lines 655 663) no Hoare annotation was computed. [2020-07-20 10:41:52,761 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 647 669) no Hoare annotation was computed. [2020-07-20 10:41:52,761 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 647 669) no Hoare annotation was computed. [2020-07-20 10:41:52,761 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 647 669) no Hoare annotation was computed. [2020-07-20 10:41:52,761 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-20 10:41:52,761 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-20 10:41:52,762 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-20 10:41:52,762 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-07-20 10:41:52,762 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 257 359) no Hoare annotation was computed. [2020-07-20 10:41:52,762 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-07-20 10:41:52,762 INFO L268 CegarLoopResult]: For program point L345(lines 345 356) no Hoare annotation was computed. [2020-07-20 10:41:52,762 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-07-20 10:41:52,762 INFO L268 CegarLoopResult]: For program point L306-2(lines 306 326) no Hoare annotation was computed. [2020-07-20 10:41:52,762 INFO L268 CegarLoopResult]: For program point L327(lines 305 328) no Hoare annotation was computed. [2020-07-20 10:41:52,762 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 257 359) no Hoare annotation was computed. [2020-07-20 10:41:52,763 INFO L268 CegarLoopResult]: For program point L286(lines 286 302) no Hoare annotation was computed. [2020-07-20 10:41:52,763 INFO L268 CegarLoopResult]: For program point L346(lines 346 353) no Hoare annotation was computed. [2020-07-20 10:41:52,763 INFO L268 CegarLoopResult]: For program point L307(lines 306 326) no Hoare annotation was computed. [2020-07-20 10:41:52,763 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-07-20 10:41:52,763 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 257 359) no Hoare annotation was computed. [2020-07-20 10:41:52,763 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-07-20 10:41:52,763 INFO L268 CegarLoopResult]: For program point L303(lines 303 344) no Hoare annotation was computed. [2020-07-20 10:41:52,763 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-07-20 10:41:52,764 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:52,764 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 10:41:52,764 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:52,764 INFO L268 CegarLoopResult]: For program point L802-1(lines 791 807) no Hoare annotation was computed. [2020-07-20 10:41:52,764 INFO L268 CegarLoopResult]: For program point L798(lines 798 804) no Hoare annotation was computed. [2020-07-20 10:41:52,764 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:41:52,764 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 791 807) no Hoare annotation was computed. [2020-07-20 10:41:52,765 INFO L268 CegarLoopResult]: For program point L796-1(line 796) no Hoare annotation was computed. [2020-07-20 10:41:52,765 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 791 807) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:41:52,765 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:41:52,765 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 670 678) no Hoare annotation was computed. [2020-07-20 10:41:52,765 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 670 678) no Hoare annotation was computed. [2020-07-20 10:41:52,765 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 670 678) no Hoare annotation was computed. [2020-07-20 10:41:52,765 INFO L268 CegarLoopResult]: For program point L881(lines 881 885) no Hoare annotation was computed. [2020-07-20 10:41:52,765 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2020-07-20 10:41:52,766 INFO L271 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: true [2020-07-20 10:41:52,766 INFO L268 CegarLoopResult]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2020-07-20 10:41:52,766 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-07-20 10:41:52,766 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2020-07-20 10:41:52,766 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2020-07-20 10:41:52,766 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:52,766 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:41:52,766 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:52,767 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 626 637) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))) (or .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2020-07-20 10:41:52,767 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 626 637) no Hoare annotation was computed. [2020-07-20 10:41:52,767 INFO L268 CegarLoopResult]: For program point L630-1(lines 626 637) no Hoare annotation was computed. [2020-07-20 10:41:52,767 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 638 646) the Hoare annotation is: true [2020-07-20 10:41:52,767 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 638 646) no Hoare annotation was computed. [2020-07-20 10:41:52,767 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 638 646) no Hoare annotation was computed. [2020-07-20 10:41:52,767 INFO L268 CegarLoopResult]: For program point L704(lines 703 722) no Hoare annotation was computed. [2020-07-20 10:41:52,768 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 700 723) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (and .cse2 .cse3)) (or .cse0 .cse4 .cse5 (and .cse6 .cse2 .cse3)) (or .cse0 .cse5 .cse7 .cse1 (and .cse6 .cse8)) (or .cse9 .cse7 .cse8) (or .cse6 .cse9 .cse5 .cse7) (or .cse0 .cse4 .cse5 .cse7 .cse8))) [2020-07-20 10:41:52,768 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2020-07-20 10:41:52,768 INFO L264 CegarLoopResult]: At program point L713(line 713) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (and (= 0 ~methAndRunningLastTime~0) .cse5)) (or (not (= 0 ~systemActive~0)) .cse6) (or .cse0 .cse7 .cse2 .cse6 .cse8) (or .cse0 .cse5 .cse8) (or .cse0 .cse1 .cse7 .cse2 .cse6) (or .cse0 .cse8 .cse3 .cse4))) [2020-07-20 10:41:52,768 INFO L264 CegarLoopResult]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse6 .cse7) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse8 .cse1 .cse2) (or .cse0 .cse1 .cse2 .cse5 (and .cse8 .cse7)) (or .cse0 .cse9 .cse6) (or .cse10 .cse5 .cse11) (or .cse0 .cse6 .cse3 .cse4) (or .cse8 .cse10 .cse2 .cse5) (or .cse0 .cse1 .cse2 (and .cse9 .cse11)))) [2020-07-20 10:41:52,768 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2020-07-20 10:41:52,769 INFO L264 CegarLoopResult]: At program point L706(line 706) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse3) (or .cse0 .cse2 .cse3 .cse4) (or .cse0 .cse4 (and .cse5 .cse6)) (or .cse0 .cse1 .cse2 (and (= 0 ~methAndRunningLastTime~0) .cse5 .cse6)))) [2020-07-20 10:41:52,769 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 496 525) no Hoare annotation was computed. [2020-07-20 10:41:52,769 INFO L268 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-07-20 10:41:52,769 INFO L271 CegarLoopResult]: At program point L510-1(lines 510 514) the Hoare annotation is: true [2020-07-20 10:41:52,769 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 496 525) the Hoare annotation is: true [2020-07-20 10:41:52,769 INFO L268 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-07-20 10:41:52,769 INFO L271 CegarLoopResult]: At program point L506-2(lines 506 520) the Hoare annotation is: true [2020-07-20 10:41:52,769 INFO L271 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: true [2020-07-20 10:41:52,769 INFO L268 CegarLoopResult]: For program point L502-1(line 502) no Hoare annotation was computed. [2020-07-20 10:41:52,770 INFO L271 CegarLoopResult]: At program point L521(lines 496 525) the Hoare annotation is: true [2020-07-20 10:41:52,770 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 10:41:52,770 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 602 613) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:41:52,770 INFO L268 CegarLoopResult]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2020-07-20 10:41:52,770 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 602 613) no Hoare annotation was computed. [2020-07-20 10:41:52,770 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 553 559) no Hoare annotation was computed. [2020-07-20 10:41:52,770 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 553 559) the Hoare annotation is: true [2020-07-20 10:41:52,770 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:52,770 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:41:52,771 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:41:52,771 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:52,771 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 614 625) no Hoare annotation was computed. [2020-07-20 10:41:52,771 INFO L268 CegarLoopResult]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2020-07-20 10:41:52,771 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 614 625) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:41:52,771 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 10:41:52,771 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 10:41:52,772 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 10:41:52,772 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 10:41:52,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:41:52 BoogieIcfgContainer [2020-07-20 10:41:52,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:41:52,791 INFO L168 Benchmark]: Toolchain (without parser) took 20511.04 ms. Allocated memory was 144.2 MB in the beginning and 451.4 MB in the end (delta: 307.2 MB). Free memory was 101.2 MB in the beginning and 329.5 MB in the end (delta: -228.3 MB). Peak memory consumption was 332.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:52,791 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:41:52,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.75 ms. Allocated memory was 144.2 MB in the beginning and 206.0 MB in the end (delta: 61.9 MB). Free memory was 100.8 MB in the beginning and 172.7 MB in the end (delta: -71.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:52,793 INFO L168 Benchmark]: Boogie Preprocessor took 88.67 ms. Allocated memory is still 206.0 MB. Free memory was 172.7 MB in the beginning and 168.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:52,794 INFO L168 Benchmark]: RCFGBuilder took 1204.78 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 168.5 MB in the beginning and 195.5 MB in the end (delta: -27.0 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:52,794 INFO L168 Benchmark]: TraceAbstraction took 18473.39 ms. Allocated memory was 236.5 MB in the beginning and 451.4 MB in the end (delta: 215.0 MB). Free memory was 194.0 MB in the beginning and 329.5 MB in the end (delta: -135.5 MB). Peak memory consumption was 333.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:52,797 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.75 ms. Allocated memory was 144.2 MB in the beginning and 206.0 MB in the end (delta: 61.9 MB). Free memory was 100.8 MB in the beginning and 172.7 MB in the end (delta: -71.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.67 ms. Allocated memory is still 206.0 MB. Free memory was 172.7 MB in the beginning and 168.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1204.78 ms. Allocated memory was 206.0 MB in the beginning and 236.5 MB in the end (delta: 30.4 MB). Free memory was 168.5 MB in the beginning and 195.5 MB in the end (delta: -27.0 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18473.39 ms. Allocated memory was 236.5 MB in the beginning and 451.4 MB in the end (delta: 215.0 MB). Free memory was 194.0 MB in the beginning and 329.5 MB in the end (delta: -135.5 MB). Peak memory consumption was 333.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) <= 1) || (((0 == methAndRunningLastTime && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 243 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.6s, OverallIterations: 11, TraceHistogramMax: 6, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2129 SDtfs, 1651 SDslu, 3755 SDs, 0 SdLazy, 1882 SolverSat, 632 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1467 GetRequests, 1419 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1778occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 641 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 3508 PreInvPairs, 3716 NumberOfFragments, 2029 HoareAnnotationTreeSize, 3508 FomulaSimplifications, 9288 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 65 FomulaSimplificationsInter, 21261 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1304 NumberOfCodeBlocks, 1304 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1449 ConstructedInterpolants, 0 QuantifiedInterpolants, 380983 SizeOfPredicates, 29 NumberOfNonLiveVariables, 9273 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 492/494 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...