/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:02:56,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:02:56,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:02:56,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:02:56,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:02:56,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:02:56,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:02:56,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:02:56,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:02:56,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:02:56,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:02:56,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:02:56,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:02:56,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:02:56,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:02:56,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:02:56,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:02:56,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:02:56,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:02:56,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:02:56,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:02:56,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:02:56,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:02:56,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:02:56,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:02:56,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:02:56,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:02:56,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:02:56,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:02:56,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:02:56,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:02:56,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:02:56,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:02:56,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:02:56,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:02:56,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:02:56,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:02:56,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:02:56,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:02:56,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:02:56,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:02:57,000 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 13:02:57,018 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:02:57,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:02:57,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:02:57,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:02:57,020 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:02:57,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:02:57,021 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:02:57,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:02:57,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:02:57,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:02:57,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:02:57,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:02:57,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:02:57,022 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:02:57,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:02:57,023 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:02:57,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:02:57,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:02:57,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:02:57,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:02:57,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:02:57,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:02:57,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:02:57,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:02:57,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:02:57,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:02:57,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:57,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:02:57,026 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:02:57,026 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:02:57,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:02:57,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:02:57,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:02:57,353 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:02:57,354 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:02:57,356 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2020-07-20 13:02:57,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6df7aa53d/4c6cf806d00c4d7f9db4e8e24b3a68fb/FLAG608ccad58 [2020-07-20 13:02:57,931 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:02:57,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2020-07-20 13:02:57,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6df7aa53d/4c6cf806d00c4d7f9db4e8e24b3a68fb/FLAG608ccad58 [2020-07-20 13:02:58,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6df7aa53d/4c6cf806d00c4d7f9db4e8e24b3a68fb [2020-07-20 13:02:58,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:02:58,252 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:02:58,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:02:58,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:02:58,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:02:58,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:58,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d5f78c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58, skipping insertion in model container [2020-07-20 13:02:58,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:58,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:02:58,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:02:58,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:02:58,879 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:02:58,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:02:58,987 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:02:58,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58 WrapperNode [2020-07-20 13:02:58,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:02:58,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:02:58,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:02:58,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:02:59,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:59,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:59,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:59,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:59,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:59,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:59,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (1/1) ... [2020-07-20 13:02:59,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:02:59,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:02:59,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:02:59,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:02:59,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (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 13:02:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:02:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:02:59,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:02:59,170 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:02:59,170 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:02:59,170 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:02:59,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:02:59,170 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:02:59,170 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:02:59,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:02:59,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:02:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:02:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:02:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:02:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:02:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:02:59,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:02:59,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-20 13:02:59,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:02:59,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:02:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:02:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:02:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:02:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:02:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:02:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:02:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:02:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:02:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:02:59,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:02:59,176 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:02:59,176 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 13:02:59,176 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:02:59,176 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:02:59,176 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:02:59,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:02:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:02:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:02:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:02:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:02:59,178 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:02:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:02:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:02:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:02:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:02:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:02:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:02:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:02:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:02:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:02:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:02:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:02:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:02:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:02:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:02:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:02:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:02:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:02:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:02:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:02:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:02:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:02:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:02:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:02:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:02:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:02:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-20 13:02:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:02:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:02:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:02:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:02:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:02:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:02:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:02:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:02:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:02:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:02:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:02:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:02:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:02:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:02:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:02:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:02:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:02:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:02:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:02:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:02:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:02:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:02:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:02:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:02:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:02:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 13:02:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:02:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:02:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:02:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:03:00,293 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:03:00,293 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:03:00,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:00 BoogieIcfgContainer [2020-07-20 13:03:00,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:03:00,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:03:00,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:03:00,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:03:00,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:02:58" (1/3) ... [2020-07-20 13:03:00,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0ccdd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:00, skipping insertion in model container [2020-07-20 13:03:00,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:58" (2/3) ... [2020-07-20 13:03:00,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0ccdd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:00, skipping insertion in model container [2020-07-20 13:03:00,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:00" (3/3) ... [2020-07-20 13:03:00,307 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2020-07-20 13:03:00,318 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:03:00,326 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:03:00,341 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:03:00,367 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:03:00,367 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:03:00,367 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:03:00,368 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:03:00,368 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:03:00,368 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:03:00,368 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:03:00,369 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:03:00,393 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-07-20 13:03:00,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:03:00,405 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:00,406 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 13:03:00,407 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:00,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:00,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1727770094, now seen corresponding path program 1 times [2020-07-20 13:03:00,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:00,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034905742] [2020-07-20 13:03:00,423 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:03:00,923 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:00,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:00,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:03:00,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:00,971 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 13:03:00,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:00,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034905742] [2020-07-20 13:03:00,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:00,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:03:00,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702159516] [2020-07-20 13:03:00,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:03:00,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:00,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:03:00,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:03:00,998 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2020-07-20 13:03:01,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:01,042 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2020-07-20 13:03:01,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:03:01,043 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2020-07-20 13:03:01,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:01,057 INFO L225 Difference]: With dead ends: 306 [2020-07-20 13:03:01,058 INFO L226 Difference]: Without dead ends: 153 [2020-07-20 13:03:01,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 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 13:03:01,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-20 13:03:01,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-20 13:03:01,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-20 13:03:01,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2020-07-20 13:03:01,139 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 52 [2020-07-20 13:03:01,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:01,140 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2020-07-20 13:03:01,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:03:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2020-07-20 13:03:01,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 13:03:01,145 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:01,145 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] [2020-07-20 13:03:01,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:01,360 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:01,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:01,361 INFO L82 PathProgramCache]: Analyzing trace with hash -23295260, now seen corresponding path program 1 times [2020-07-20 13:03:01,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:01,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267879368] [2020-07-20 13:03:01,363 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:03:01,892 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:01,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:01,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:03:01,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:01,944 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 13:03:01,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:01,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267879368] [2020-07-20 13:03:01,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:01,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:01,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783316074] [2020-07-20 13:03:01,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:01,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:01,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:01,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:01,948 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2020-07-20 13:03:01,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:01,975 INFO L93 Difference]: Finished difference Result 251 states and 297 transitions. [2020-07-20 13:03:01,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:01,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-20 13:03:01,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:01,978 INFO L225 Difference]: With dead ends: 251 [2020-07-20 13:03:01,978 INFO L226 Difference]: Without dead ends: 144 [2020-07-20 13:03:01,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 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 13:03:01,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-20 13:03:01,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-20 13:03:01,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-20 13:03:01,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2020-07-20 13:03:01,996 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 53 [2020-07-20 13:03:01,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:01,997 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2020-07-20 13:03:01,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:01,997 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2020-07-20 13:03:01,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-20 13:03:02,000 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:02,000 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] [2020-07-20 13:03:02,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:02,214 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:02,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:02,215 INFO L82 PathProgramCache]: Analyzing trace with hash 646991369, now seen corresponding path program 1 times [2020-07-20 13:03:02,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:02,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1966079548] [2020-07-20 13:03:02,215 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:03:02,637 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:02,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:02,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:03:02,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:02,676 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 13:03:02,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:02,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1966079548] [2020-07-20 13:03:02,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:02,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:02,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278633778] [2020-07-20 13:03:02,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:02,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:02,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:02,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:02,680 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 3 states. [2020-07-20 13:03:02,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:02,712 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2020-07-20 13:03:02,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:02,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-07-20 13:03:02,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:02,720 INFO L225 Difference]: With dead ends: 264 [2020-07-20 13:03:02,720 INFO L226 Difference]: Without dead ends: 144 [2020-07-20 13:03:02,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 13:03:02,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-20 13:03:02,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-20 13:03:02,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-20 13:03:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2020-07-20 13:03:02,748 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2020-07-20 13:03:02,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:02,748 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2020-07-20 13:03:02,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2020-07-20 13:03:02,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-20 13:03:02,755 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:02,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:02,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:02,957 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:02,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:02,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1077665999, now seen corresponding path program 1 times [2020-07-20 13:03:02,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:02,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [516272738] [2020-07-20 13:03:02,959 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:03:03,386 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:03,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:03,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:03:03,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:03,451 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 13:03:03,451 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:03,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [516272738] [2020-07-20 13:03:03,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:03,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:03,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243144081] [2020-07-20 13:03:03,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:03,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:03,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:03,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:03,459 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 6 states. [2020-07-20 13:03:04,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:04,197 INFO L93 Difference]: Finished difference Result 359 states and 436 transitions. [2020-07-20 13:03:04,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:03:04,198 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2020-07-20 13:03:04,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:04,201 INFO L225 Difference]: With dead ends: 359 [2020-07-20 13:03:04,201 INFO L226 Difference]: Without dead ends: 239 [2020-07-20 13:03:04,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 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 13:03:04,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-07-20 13:03:04,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 223. [2020-07-20 13:03:04,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-07-20 13:03:04,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 251 transitions. [2020-07-20 13:03:04,250 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 251 transitions. Word has length 76 [2020-07-20 13:03:04,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:04,251 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 251 transitions. [2020-07-20 13:03:04,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:04,251 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 251 transitions. [2020-07-20 13:03:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 13:03:04,252 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:04,253 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:04,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:04,468 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:04,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:04,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1489636928, now seen corresponding path program 1 times [2020-07-20 13:03:04,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:04,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116062323] [2020-07-20 13:03:04,471 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:03:04,842 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:04,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:04,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 13:03:04,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:04,920 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 13:03:04,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:04,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116062323] [2020-07-20 13:03:04,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:04,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:04,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915878364] [2020-07-20 13:03:04,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:04,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:04,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:04,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:04,926 INFO L87 Difference]: Start difference. First operand 223 states and 251 transitions. Second operand 6 states. [2020-07-20 13:03:05,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:05,275 INFO L93 Difference]: Finished difference Result 606 states and 728 transitions. [2020-07-20 13:03:05,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:05,276 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2020-07-20 13:03:05,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:05,282 INFO L225 Difference]: With dead ends: 606 [2020-07-20 13:03:05,282 INFO L226 Difference]: Without dead ends: 407 [2020-07-20 13:03:05,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 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 13:03:05,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-07-20 13:03:05,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 403. [2020-07-20 13:03:05,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-07-20 13:03:05,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 468 transitions. [2020-07-20 13:03:05,346 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 468 transitions. Word has length 90 [2020-07-20 13:03:05,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:05,347 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 468 transitions. [2020-07-20 13:03:05,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 468 transitions. [2020-07-20 13:03:05,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 13:03:05,349 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:05,349 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:05,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:05,563 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:05,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:05,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1892117019, now seen corresponding path program 1 times [2020-07-20 13:03:05,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:05,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122939643] [2020-07-20 13:03:05,566 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:03:05,905 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:05,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:05,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 13:03:05,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:05,949 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 13:03:05,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:05,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122939643] [2020-07-20 13:03:05,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:05,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:03:05,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871177305] [2020-07-20 13:03:05,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:03:05,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:05,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:03:05,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:03:05,954 INFO L87 Difference]: Start difference. First operand 403 states and 468 transitions. Second operand 5 states. [2020-07-20 13:03:06,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:06,006 INFO L93 Difference]: Finished difference Result 785 states and 925 transitions. [2020-07-20 13:03:06,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:03:06,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2020-07-20 13:03:06,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:06,014 INFO L225 Difference]: With dead ends: 785 [2020-07-20 13:03:06,014 INFO L226 Difference]: Without dead ends: 406 [2020-07-20 13:03:06,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:03:06,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-07-20 13:03:06,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 403. [2020-07-20 13:03:06,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-07-20 13:03:06,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 467 transitions. [2020-07-20 13:03:06,079 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 467 transitions. Word has length 94 [2020-07-20 13:03:06,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:06,081 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 467 transitions. [2020-07-20 13:03:06,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:03:06,082 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 467 transitions. [2020-07-20 13:03:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 13:03:06,092 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:06,093 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:06,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:06,306 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:06,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:06,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1743318755, now seen corresponding path program 1 times [2020-07-20 13:03:06,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:06,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370304204] [2020-07-20 13:03:06,308 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:03:06,629 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:06,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:06,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 13:03:06,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:06,677 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 13:03:06,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:06,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370304204] [2020-07-20 13:03:06,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:06,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:06,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568684561] [2020-07-20 13:03:06,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:06,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:06,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:06,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:06,680 INFO L87 Difference]: Start difference. First operand 403 states and 467 transitions. Second operand 6 states. [2020-07-20 13:03:06,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:06,725 INFO L93 Difference]: Finished difference Result 778 states and 921 transitions. [2020-07-20 13:03:06,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:06,725 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-07-20 13:03:06,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:06,729 INFO L225 Difference]: With dead ends: 778 [2020-07-20 13:03:06,729 INFO L226 Difference]: Without dead ends: 399 [2020-07-20 13:03:06,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:03:06,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-07-20 13:03:06,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 396. [2020-07-20 13:03:06,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-07-20 13:03:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 459 transitions. [2020-07-20 13:03:06,755 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 459 transitions. Word has length 94 [2020-07-20 13:03:06,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:06,756 INFO L479 AbstractCegarLoop]: Abstraction has 396 states and 459 transitions. [2020-07-20 13:03:06,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:06,756 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 459 transitions. [2020-07-20 13:03:06,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-20 13:03:06,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:06,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:06,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:06,973 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:06,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:06,974 INFO L82 PathProgramCache]: Analyzing trace with hash -794227168, now seen corresponding path program 1 times [2020-07-20 13:03:06,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:06,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926108631] [2020-07-20 13:03:06,975 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:03:07,323 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:07,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:07,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 13:03:07,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:07,374 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 13:03:07,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:07,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926108631] [2020-07-20 13:03:07,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:07,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:07,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091735297] [2020-07-20 13:03:07,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:07,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:07,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:07,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:07,377 INFO L87 Difference]: Start difference. First operand 396 states and 459 transitions. Second operand 6 states. [2020-07-20 13:03:07,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:07,684 INFO L93 Difference]: Finished difference Result 401 states and 464 transitions. [2020-07-20 13:03:07,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:07,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2020-07-20 13:03:07,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:07,688 INFO L225 Difference]: With dead ends: 401 [2020-07-20 13:03:07,688 INFO L226 Difference]: Without dead ends: 398 [2020-07-20 13:03:07,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 90 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 13:03:07,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-07-20 13:03:07,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 396. [2020-07-20 13:03:07,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-07-20 13:03:07,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2020-07-20 13:03:07,716 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 95 [2020-07-20 13:03:07,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:07,717 INFO L479 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2020-07-20 13:03:07,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:07,718 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2020-07-20 13:03:07,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-20 13:03:07,722 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:07,722 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:07,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:07,936 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:07,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:07,936 INFO L82 PathProgramCache]: Analyzing trace with hash 2081124794, now seen corresponding path program 1 times [2020-07-20 13:03:07,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:07,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821240642] [2020-07-20 13:03:07,937 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:03:08,225 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:08,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:08,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 13:03:08,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:08,290 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:03:08,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:08,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821240642] [2020-07-20 13:03:08,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:08,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:08,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123864952] [2020-07-20 13:03:08,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:08,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:08,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:08,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:08,293 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 6 states. [2020-07-20 13:03:08,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:08,685 INFO L93 Difference]: Finished difference Result 1140 states and 1352 transitions. [2020-07-20 13:03:08,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:08,686 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2020-07-20 13:03:08,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:08,692 INFO L225 Difference]: With dead ends: 1140 [2020-07-20 13:03:08,695 INFO L226 Difference]: Without dead ends: 768 [2020-07-20 13:03:08,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:08,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-07-20 13:03:08,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 765. [2020-07-20 13:03:08,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-07-20 13:03:08,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 886 transitions. [2020-07-20 13:03:08,757 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 886 transitions. Word has length 143 [2020-07-20 13:03:08,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:08,758 INFO L479 AbstractCegarLoop]: Abstraction has 765 states and 886 transitions. [2020-07-20 13:03:08,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:08,758 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 886 transitions. [2020-07-20 13:03:08,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-20 13:03:08,762 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:08,762 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:03:08,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:08,978 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:08,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:08,979 INFO L82 PathProgramCache]: Analyzing trace with hash -708969378, now seen corresponding path program 1 times [2020-07-20 13:03:08,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:08,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [161655911] [2020-07-20 13:03:08,980 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:03:09,349 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:09,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:09,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 13:03:09,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:09,414 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-20 13:03:09,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:03:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 13:03:09,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [161655911] [2020-07-20 13:03:09,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 13:03:09,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-20 13:03:09,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415811445] [2020-07-20 13:03:09,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:09,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:09,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:09,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:03:09,701 INFO L87 Difference]: Start difference. First operand 765 states and 886 transitions. Second operand 6 states. [2020-07-20 13:03:09,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:09,981 INFO L93 Difference]: Finished difference Result 1470 states and 1727 transitions. [2020-07-20 13:03:09,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:03:09,983 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2020-07-20 13:03:09,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:09,988 INFO L225 Difference]: With dead ends: 1470 [2020-07-20 13:03:09,988 INFO L226 Difference]: Without dead ends: 729 [2020-07-20 13:03:09,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 284 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:03:09,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2020-07-20 13:03:10,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 729. [2020-07-20 13:03:10,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2020-07-20 13:03:10,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 835 transitions. [2020-07-20 13:03:10,037 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 835 transitions. Word has length 147 [2020-07-20 13:03:10,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:10,038 INFO L479 AbstractCegarLoop]: Abstraction has 729 states and 835 transitions. [2020-07-20 13:03:10,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:10,038 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 835 transitions. [2020-07-20 13:03:10,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 13:03:10,041 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:10,042 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, 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 13:03:10,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:10,256 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:10,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:10,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1161992490, now seen corresponding path program 1 times [2020-07-20 13:03:10,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:10,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747969917] [2020-07-20 13:03:10,258 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 13:03:10,658 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:10,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:10,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 13:03:10,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:10,832 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:03:10,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:10,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747969917] [2020-07-20 13:03:10,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:10,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-20 13:03:10,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103060806] [2020-07-20 13:03:10,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 13:03:10,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:10,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 13:03:10,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-07-20 13:03:10,834 INFO L87 Difference]: Start difference. First operand 729 states and 835 transitions. Second operand 13 states. [2020-07-20 13:03:12,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:12,213 INFO L93 Difference]: Finished difference Result 1874 states and 2402 transitions. [2020-07-20 13:03:12,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 13:03:12,214 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 149 [2020-07-20 13:03:12,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:12,227 INFO L225 Difference]: With dead ends: 1874 [2020-07-20 13:03:12,227 INFO L226 Difference]: Without dead ends: 1169 [2020-07-20 13:03:12,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-07-20 13:03:12,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2020-07-20 13:03:12,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 793. [2020-07-20 13:03:12,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2020-07-20 13:03:12,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 901 transitions. [2020-07-20 13:03:12,299 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 901 transitions. Word has length 149 [2020-07-20 13:03:12,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:12,299 INFO L479 AbstractCegarLoop]: Abstraction has 793 states and 901 transitions. [2020-07-20 13:03:12,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 13:03:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 901 transitions. [2020-07-20 13:03:12,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-20 13:03:12,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:12,304 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:12,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:12,520 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:12,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:12,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1211852600, now seen corresponding path program 1 times [2020-07-20 13:03:12,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:12,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [537590693] [2020-07-20 13:03:12,521 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:12,848 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:12,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:12,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 13:03:12,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:12,983 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 13:03:12,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:03:13,207 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:03:13,239 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:03:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-20 13:03:13,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [537590693] [2020-07-20 13:03:13,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:03:13,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 15 [2020-07-20 13:03:13,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178789885] [2020-07-20 13:03:13,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-20 13:03:13,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:13,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-20 13:03:13,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-07-20 13:03:13,372 INFO L87 Difference]: Start difference. First operand 793 states and 901 transitions. Second operand 15 states. [2020-07-20 13:03:14,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:14,664 INFO L93 Difference]: Finished difference Result 1921 states and 2449 transitions. [2020-07-20 13:03:14,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 13:03:14,665 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 151 [2020-07-20 13:03:14,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:14,666 INFO L225 Difference]: With dead ends: 1921 [2020-07-20 13:03:14,666 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:03:14,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 280 SyntacticMatches, 12 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-07-20 13:03:14,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:03:14,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:03:14,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:03:14,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:03:14,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2020-07-20 13:03:14,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:14,674 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:03:14,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-20 13:03:14,674 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:03:14,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:03:14,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:14,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:03:15,564 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 66 [2020-07-20 13:03:16,774 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2020-07-20 13:03:17,008 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2020-07-20 13:03:17,199 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:17,353 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2020-07-20 13:03:17,580 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-07-20 13:03:17,931 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2020-07-20 13:03:18,055 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:18,442 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2020-07-20 13:03:18,712 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-07-20 13:03:19,006 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 34 [2020-07-20 13:03:19,267 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-07-20 13:03:19,532 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 27 [2020-07-20 13:03:19,695 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2020-07-20 13:03:19,821 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:20,243 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-07-20 13:03:20,544 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2020-07-20 13:03:20,784 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:20,910 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:21,134 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2020-07-20 13:03:21,258 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:21,578 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2020-07-20 13:03:21,763 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2020-07-20 13:03:21,980 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-07-20 13:03:22,265 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 33 [2020-07-20 13:03:22,493 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2020-07-20 13:03:22,655 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:22,822 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:23,172 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2020-07-20 13:03:23,315 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:23,971 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 42 [2020-07-20 13:03:24,197 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:03:24,201 INFO L268 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-07-20 13:03:24,201 INFO L268 CegarLoopResult]: For program point L415-1(lines 415 419) no Hoare annotation was computed. [2020-07-20 13:03:24,201 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 13:03:24,201 INFO L268 CegarLoopResult]: For program point L409-2(lines 409 430) no Hoare annotation was computed. [2020-07-20 13:03:24,201 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 384 439) no Hoare annotation was computed. [2020-07-20 13:03:24,202 INFO L268 CegarLoopResult]: For program point L431(lines 408 432) no Hoare annotation was computed. [2020-07-20 13:03:24,202 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 384 439) no Hoare annotation was computed. [2020-07-20 13:03:24,202 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 384 439) no Hoare annotation was computed. [2020-07-20 13:03:24,202 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-07-20 13:03:24,202 INFO L268 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-07-20 13:03:24,202 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 440 499) no Hoare annotation was computed. [2020-07-20 13:03:24,202 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 13:03:24,202 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 491) no Hoare annotation was computed. [2020-07-20 13:03:24,202 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 440 499) no Hoare annotation was computed. [2020-07-20 13:03:24,203 INFO L268 CegarLoopResult]: For program point L492(lines 465 493) no Hoare annotation was computed. [2020-07-20 13:03:24,203 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 440 499) no Hoare annotation was computed. [2020-07-20 13:03:24,203 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 13:03:24,203 INFO L268 CegarLoopResult]: For program point L485-1(line 485) no Hoare annotation was computed. [2020-07-20 13:03:24,203 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2020-07-20 13:03:24,204 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2020-07-20 13:03:24,204 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2020-07-20 13:03:24,204 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2020-07-20 13:03:24,204 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2020-07-20 13:03:24,204 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 229 251) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:24,205 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2020-07-20 13:03:24,205 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:24,205 INFO L264 CegarLoopResult]: At program point L241-1(line 241) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:24,205 INFO L268 CegarLoopResult]: For program point L239(lines 239 246) no Hoare annotation was computed. [2020-07-20 13:03:24,205 INFO L268 CegarLoopResult]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2020-07-20 13:03:24,205 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-07-20 13:03:24,205 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 229 251) no Hoare annotation was computed. [2020-07-20 13:03:24,206 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:24,206 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:24,206 INFO L264 CegarLoopResult]: At program point L235-1(line 235) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:24,206 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 13:03:24,206 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-20 13:03:24,206 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 184 207) no Hoare annotation was computed. [2020-07-20 13:03:24,207 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-07-20 13:03:24,207 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 13:03:24,207 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-20 13:03:24,207 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 184 207) no Hoare annotation was computed. [2020-07-20 13:03:24,207 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 184 207) no Hoare annotation was computed. [2020-07-20 13:03:24,207 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 13:03:24,207 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-20 13:03:24,207 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-07-20 13:03:24,207 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 13:03:24,208 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-07-20 13:03:24,208 INFO L268 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-07-20 13:03:24,208 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 13:03:24,208 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-07-20 13:03:24,208 INFO L268 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-07-20 13:03:24,208 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2020-07-20 13:03:24,208 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2020-07-20 13:03:24,208 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 907 915) no Hoare annotation was computed. [2020-07-20 13:03:24,208 INFO L268 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-07-20 13:03:24,209 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2020-07-20 13:03:24,209 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2020-07-20 13:03:24,209 INFO L268 CegarLoopResult]: For program point L980(lines 980 984) no Hoare annotation was computed. [2020-07-20 13:03:24,209 INFO L271 CegarLoopResult]: At program point L978(line 978) the Hoare annotation is: true [2020-07-20 13:03:24,209 INFO L268 CegarLoopResult]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2020-07-20 13:03:24,209 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 971 989) no Hoare annotation was computed. [2020-07-20 13:03:24,209 INFO L268 CegarLoopResult]: For program point L923(lines 923 931) no Hoare annotation was computed. [2020-07-20 13:03:24,209 INFO L268 CegarLoopResult]: For program point L923-2(lines 923 931) no Hoare annotation was computed. [2020-07-20 13:03:24,209 INFO L268 CegarLoopResult]: For program point L946(line 946) no Hoare annotation was computed. [2020-07-20 13:03:24,210 INFO L268 CegarLoopResult]: For program point L946-1(line 946) no Hoare annotation was computed. [2020-07-20 13:03:24,210 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 916 951) no Hoare annotation was computed. [2020-07-20 13:03:24,210 INFO L268 CegarLoopResult]: For program point L935(lines 935 943) no Hoare annotation was computed. [2020-07-20 13:03:24,210 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 916 951) no Hoare annotation was computed. [2020-07-20 13:03:24,210 INFO L268 CegarLoopResult]: For program point L935-2(lines 935 943) no Hoare annotation was computed. [2020-07-20 13:03:24,210 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 916 951) no Hoare annotation was computed. [2020-07-20 13:03:24,210 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2020-07-20 13:03:24,210 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2020-07-20 13:03:24,210 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 338 383) no Hoare annotation was computed. [2020-07-20 13:03:24,211 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 338 383) no Hoare annotation was computed. [2020-07-20 13:03:24,211 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 338 383) no Hoare annotation was computed. [2020-07-20 13:03:24,211 INFO L268 CegarLoopResult]: For program point L671(lines 671 678) no Hoare annotation was computed. [2020-07-20 13:03:24,211 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 651 696) no Hoare annotation was computed. [2020-07-20 13:03:24,211 INFO L268 CegarLoopResult]: For program point L665(lines 665 685) no Hoare annotation was computed. [2020-07-20 13:03:24,211 INFO L268 CegarLoopResult]: For program point L665-1(lines 665 685) no Hoare annotation was computed. [2020-07-20 13:03:24,211 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 651 696) no Hoare annotation was computed. [2020-07-20 13:03:24,211 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 651 696) no Hoare annotation was computed. [2020-07-20 13:03:24,212 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 216 225) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:24,212 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2020-07-20 13:03:24,213 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2020-07-20 13:03:24,213 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2020-07-20 13:03:24,213 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2020-07-20 13:03:24,213 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 896 906) no Hoare annotation was computed. [2020-07-20 13:03:24,213 INFO L271 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: true [2020-07-20 13:03:24,213 INFO L268 CegarLoopResult]: For program point L901-1(line 901) no Hoare annotation was computed. [2020-07-20 13:03:24,213 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1 .cse3))) [2020-07-20 13:03:24,214 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2020-07-20 13:03:24,214 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 888 895) no Hoare annotation was computed. [2020-07-20 13:03:24,214 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-20 13:03:24,214 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-20 13:03:24,214 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-20 13:03:24,214 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-20 13:03:24,214 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 13:03:24,214 INFO L268 CegarLoopResult]: For program point L863(lines 863 871) no Hoare annotation was computed. [2020-07-20 13:03:24,215 INFO L264 CegarLoopResult]: At program point L861(line 861) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 13:03:24,215 INFO L268 CegarLoopResult]: For program point L861-1(line 861) no Hoare annotation was computed. [2020-07-20 13:03:24,215 INFO L268 CegarLoopResult]: For program point L859(lines 859 876) no Hoare annotation was computed. [2020-07-20 13:03:24,215 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2020-07-20 13:03:24,215 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 855 879) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse5 .cse8) (or .cse0 .cse2 .cse3 .cse7 .cse4))) [2020-07-20 13:03:24,215 INFO L264 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse5 .cse7) (or .cse0 .cse1 .cse6 .cse7))) [2020-07-20 13:03:24,215 INFO L268 CegarLoopResult]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2020-07-20 13:03:24,216 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 13:03:24,216 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2020-07-20 13:03:24,216 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2020-07-20 13:03:24,216 INFO L264 CegarLoopResult]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0))) [2020-07-20 13:03:24,216 INFO L264 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~waterLevel~0)| 1)) (and .cse5 .cse1 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 13:03:24,216 INFO L268 CegarLoopResult]: For program point L729(lines 729 735) no Hoare annotation was computed. [2020-07-20 13:03:24,217 INFO L268 CegarLoopResult]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2020-07-20 13:03:24,217 INFO L268 CegarLoopResult]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2020-07-20 13:03:24,218 INFO L264 CegarLoopResult]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse6 .cse7 .cse2 .cse3) (and .cse0 .cse6 .cse7 .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:03:24,218 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse6 .cse7 .cse2 .cse3) (and .cse0 .cse6 .cse7 .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:03:24,218 INFO L268 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-07-20 13:03:24,218 INFO L268 CegarLoopResult]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2020-07-20 13:03:24,218 INFO L268 CegarLoopResult]: For program point L711(lines 711 715) no Hoare annotation was computed. [2020-07-20 13:03:24,218 INFO L264 CegarLoopResult]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:24,218 INFO L268 CegarLoopResult]: For program point L747(lines 747 751) no Hoare annotation was computed. [2020-07-20 13:03:24,218 INFO L264 CegarLoopResult]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~waterLevel~0)| 1)) (and .cse5 .cse1 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 13:03:24,218 INFO L268 CegarLoopResult]: For program point L710(lines 709 756) no Hoare annotation was computed. [2020-07-20 13:03:24,219 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~waterLevel~0)| 1)) (and .cse5 .cse1 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 13:03:24,219 INFO L268 CegarLoopResult]: For program point L739(lines 739 752) no Hoare annotation was computed. [2020-07-20 13:03:24,219 INFO L268 CegarLoopResult]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2020-07-20 13:03:24,219 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 605 650) no Hoare annotation was computed. [2020-07-20 13:03:24,219 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 605 650) no Hoare annotation was computed. [2020-07-20 13:03:24,219 INFO L268 CegarLoopResult]: For program point L625(lines 625 632) no Hoare annotation was computed. [2020-07-20 13:03:24,219 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 605 650) no Hoare annotation was computed. [2020-07-20 13:03:24,219 INFO L268 CegarLoopResult]: For program point L619(lines 619 639) no Hoare annotation was computed. [2020-07-20 13:03:24,219 INFO L268 CegarLoopResult]: For program point L619-1(lines 619 639) no Hoare annotation was computed. [2020-07-20 13:03:24,219 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-20 13:03:24,219 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-20 13:03:24,219 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-20 13:03:24,219 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-20 13:03:24,220 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-20 13:03:24,220 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-20 13:03:24,220 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-20 13:03:24,220 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-20 13:03:24,220 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 298 307) no Hoare annotation was computed. [2020-07-20 13:03:24,220 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 298 307) no Hoare annotation was computed. [2020-07-20 13:03:24,220 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 298 307) no Hoare annotation was computed. [2020-07-20 13:03:24,220 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 502 604) no Hoare annotation was computed. [2020-07-20 13:03:24,220 INFO L268 CegarLoopResult]: For program point L572(lines 550 573) no Hoare annotation was computed. [2020-07-20 13:03:24,220 INFO L268 CegarLoopResult]: For program point L531(lines 531 547) no Hoare annotation was computed. [2020-07-20 13:03:24,220 INFO L268 CegarLoopResult]: For program point L591(lines 591 598) no Hoare annotation was computed. [2020-07-20 13:03:24,220 INFO L268 CegarLoopResult]: For program point L552(lines 551 571) no Hoare annotation was computed. [2020-07-20 13:03:24,220 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 13:03:24,220 INFO L268 CegarLoopResult]: For program point L583-1(line 583) no Hoare annotation was computed. [2020-07-20 13:03:24,221 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 502 604) no Hoare annotation was computed. [2020-07-20 13:03:24,221 INFO L268 CegarLoopResult]: For program point L548(lines 548 589) no Hoare annotation was computed. [2020-07-20 13:03:24,221 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-07-20 13:03:24,221 INFO L268 CegarLoopResult]: For program point L567-1(line 567) no Hoare annotation was computed. [2020-07-20 13:03:24,221 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 502 604) no Hoare annotation was computed. [2020-07-20 13:03:24,221 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-07-20 13:03:24,221 INFO L268 CegarLoopResult]: For program point L590(lines 590 601) no Hoare annotation was computed. [2020-07-20 13:03:24,221 INFO L268 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-07-20 13:03:24,221 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 571) no Hoare annotation was computed. [2020-07-20 13:03:24,221 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:24,221 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 13:03:24,221 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:24,221 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2020-07-20 13:03:24,221 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2020-07-20 13:03:24,222 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3))) [2020-07-20 13:03:24,222 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-20 13:03:24,222 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-20 13:03:24,222 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-20 13:03:24,222 INFO L268 CegarLoopResult]: For program point L961(lines 961 965) no Hoare annotation was computed. [2020-07-20 13:03:24,222 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2020-07-20 13:03:24,222 INFO L271 CegarLoopResult]: At program point L959(line 959) the Hoare annotation is: true [2020-07-20 13:03:24,222 INFO L268 CegarLoopResult]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2020-07-20 13:03:24,222 INFO L268 CegarLoopResult]: For program point L959-1(line 959) no Hoare annotation was computed. [2020-07-20 13:03:24,222 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2020-07-20 13:03:24,222 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 952 970) no Hoare annotation was computed. [2020-07-20 13:03:24,222 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-20 13:03:24,223 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse7 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse2 .cse5 .cse4 .cse7))) [2020-07-20 13:03:24,223 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-20 13:03:24,223 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:24,223 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:03:24,223 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:24,223 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-20 13:03:24,223 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-20 13:03:24,223 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-20 13:03:24,223 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse8 (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (and .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse3) (or .cse0 .cse2 .cse7 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse3)))) [2020-07-20 13:03:24,223 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and .cse11 (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and .cse11 .cse10)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (<= 2 ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 .cse4 .cse1 .cse6 .cse9) (or .cse0 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse4 .cse1 .cse6 .cse3) (or .cse0 (and .cse8 .cse10 (<= ~waterLevel~0 2)) .cse1 .cse2 .cse6 .cse9)))) [2020-07-20 13:03:24,224 INFO L264 CegarLoopResult]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse2 (and .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (and .cse7 .cse9 .cse10)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (<= 1 ~pumpRunning~0)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse2 .cse4 .cse6 .cse5) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse7 .cse8 .cse6) (or .cse0 .cse8 .cse6 .cse5 (and .cse9 .cse10) (and (<= ~waterLevel~0 2) .cse11)) (or .cse0 .cse3 .cse1 (and .cse7 .cse11) .cse8 .cse5)))) [2020-07-20 13:03:24,224 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2020-07-20 13:03:24,224 INFO L264 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse9)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse6 .cse7) (or .cse0 .cse8 .cse2 .cse6) (or .cse0 .cse5 .cse8 .cse6) (or .cse0 .cse5 .cse1 .cse6 .cse3) (or .cse0 (and .cse4 .cse9 (<= ~waterLevel~0 2)) .cse1 .cse2 .cse6 .cse7)))) [2020-07-20 13:03:24,224 INFO L268 CegarLoopResult]: For program point L775(lines 774 793) no Hoare annotation was computed. [2020-07-20 13:03:24,224 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2020-07-20 13:03:24,224 INFO L271 CegarLoopResult]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2020-07-20 13:03:24,224 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2020-07-20 13:03:24,225 INFO L271 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: true [2020-07-20 13:03:24,225 INFO L268 CegarLoopResult]: For program point L159-1(line 159) no Hoare annotation was computed. [2020-07-20 13:03:24,225 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2020-07-20 13:03:24,225 INFO L271 CegarLoopResult]: At program point L178(lines 153 182) the Hoare annotation is: true [2020-07-20 13:03:24,225 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-07-20 13:03:24,225 INFO L268 CegarLoopResult]: For program point L167(lines 167 171) no Hoare annotation was computed. [2020-07-20 13:03:24,225 INFO L271 CegarLoopResult]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2020-07-20 13:03:24,225 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-20 13:03:24,225 INFO L264 CegarLoopResult]: At program point L286(line 286) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse0 .cse6 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse3))) [2020-07-20 13:03:24,225 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2020-07-20 13:03:24,225 INFO L268 CegarLoopResult]: For program point L282(lines 282 288) no Hoare annotation was computed. [2020-07-20 13:03:24,225 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2020-07-20 13:03:24,225 INFO L264 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse5 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (and (= ~waterLevel~0 __utac_acc__Specification3_spec__1_~tmp___0~0) (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~1)) .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse3) (or .cse0 .cse6 .cse4 .cse5))) [2020-07-20 13:03:24,226 INFO L268 CegarLoopResult]: For program point L280-1(line 280) no Hoare annotation was computed. [2020-07-20 13:03:24,226 INFO L268 CegarLoopResult]: For program point L278(lines 278 291) no Hoare annotation was computed. [2020-07-20 13:03:24,226 INFO L268 CegarLoopResult]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2020-07-20 13:03:24,226 INFO L264 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~1)) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse4) (or .cse0 .cse7 .cse5 .cse6) (or .cse0 .cse7 .cse2 .cse3))) [2020-07-20 13:03:24,226 INFO L268 CegarLoopResult]: For program point L276-1(line 276) no Hoare annotation was computed. [2020-07-20 13:03:24,226 INFO L268 CegarLoopResult]: For program point L272(lines 272 292) no Hoare annotation was computed. [2020-07-20 13:03:24,226 INFO L271 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: true [2020-07-20 13:03:24,226 INFO L268 CegarLoopResult]: For program point L270-1(line 270) no Hoare annotation was computed. [2020-07-20 13:03:24,226 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (and .cse4 (<= ~waterLevel~0 2)) .cse2 .cse5 .cse3 .cse6) (or .cse0 .cse4 .cse7 .cse5 .cse3 .cse6) (or .cse0 .cse7 .cse1 .cse5 .cse3))) [2020-07-20 13:03:24,226 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-20 13:03:24,227 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-20 13:03:24,227 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2020-07-20 13:03:24,227 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2020-07-20 13:03:24,227 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:24,227 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:03:24,227 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:03:24,227 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:24,227 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2020-07-20 13:03:24,227 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 990 997) the Hoare annotation is: (let ((.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (<= 1 ~systemActive~0)) (.cse3 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse4 .cse3) (or .cse1 .cse5 .cse2 .cse4 .cse3) (or .cse0 .cse1 .cse6 .cse4 .cse3))) [2020-07-20 13:03:24,227 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 990 997) no Hoare annotation was computed. [2020-07-20 13:03:24,227 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse5 .cse8) (or .cse0 .cse2 .cse3 .cse7 .cse4))) [2020-07-20 13:03:24,228 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2020-07-20 13:03:24,228 INFO L264 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 13:03:24,228 INFO L268 CegarLoopResult]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2020-07-20 13:03:24,228 INFO L264 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not .cse8)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (and (= 0 ~pumpRunning~0) .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse5 .cse7) (or .cse0 .cse2 .cse3 .cse6 .cse4)))) [2020-07-20 13:03:24,228 INFO L264 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1)) (.cse10 (= 0 ~pumpRunning~0))) (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 processEnvironment__wrappee__highWaterSensor_~tmp~6) .cse10)) (.cse5 (and .cse10 .cse9)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse6 .cse4 .cse5) (or .cse0 .cse7 .cse6 .cse8) (or .cse0 .cse1 .cse7 .cse8)))) [2020-07-20 13:03:24,228 INFO L268 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2020-07-20 13:03:24,228 INFO L264 CegarLoopResult]: At program point L809(line 809) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse5 .cse7) (or .cse0 .cse1 .cse6 .cse7))) [2020-07-20 13:03:24,228 INFO L268 CegarLoopResult]: For program point L809-1(line 809) no Hoare annotation was computed. [2020-07-20 13:03:24,228 INFO L268 CegarLoopResult]: For program point L807(lines 807 824) no Hoare annotation was computed. [2020-07-20 13:03:24,228 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-20 13:03:24,228 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-20 13:03:24,229 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse5 .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse9) (or .cse0 .cse1 .cse5 .cse2 .cse9) (or .cse1 .cse6 .cse3 .cse7 .cse4 .cse8))) [2020-07-20 13:03:24,229 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 253 260) no Hoare annotation was computed. [2020-07-20 13:03:24,229 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2020-07-20 13:03:24,229 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2020-07-20 13:03:24,229 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2020-07-20 13:03:24,229 INFO L268 CegarLoopResult]: For program point L833(lines 833 850) no Hoare annotation was computed. [2020-07-20 13:03:24,229 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2020-07-20 13:03:24,229 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse5 .cse8) (or .cse0 .cse2 .cse3 .cse7 .cse4))) [2020-07-20 13:03:24,230 INFO L264 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse5 .cse7) (or .cse0 .cse1 .cse6 .cse7))) [2020-07-20 13:03:24,230 INFO L268 CegarLoopResult]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2020-07-20 13:03:24,230 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 13:03:24,230 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 13:03:24,230 INFO L268 CegarLoopResult]: For program point L837(lines 837 845) no Hoare annotation was computed. [2020-07-20 13:03:24,230 INFO L264 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse6 .cse7 .cse3) (or .cse0 .cse5 .cse2 .cse1 .cse4))) [2020-07-20 13:03:24,230 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-20 13:03:24,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:03:24 BoogieIcfgContainer [2020-07-20 13:03:24,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:03:24,249 INFO L168 Benchmark]: Toolchain (without parser) took 25997.29 ms. Allocated memory was 138.9 MB in the beginning and 475.5 MB in the end (delta: 336.6 MB). Free memory was 102.6 MB in the beginning and 174.1 MB in the end (delta: -71.5 MB). Peak memory consumption was 352.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:24,249 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:03:24,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.22 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 167.3 MB in the end (delta: -65.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:24,251 INFO L168 Benchmark]: Boogie Preprocessor took 100.16 ms. Allocated memory is still 202.4 MB. Free memory was 167.3 MB in the beginning and 162.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:24,251 INFO L168 Benchmark]: RCFGBuilder took 1209.31 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 162.6 MB in the beginning and 188.7 MB in the end (delta: -26.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:24,252 INFO L168 Benchmark]: TraceAbstraction took 23947.19 ms. Allocated memory was 236.5 MB in the beginning and 475.5 MB in the end (delta: 239.1 MB). Free memory was 188.7 MB in the beginning and 174.1 MB in the end (delta: 14.6 MB). Peak memory consumption was 341.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:24,255 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.22 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 167.3 MB in the end (delta: -65.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.16 ms. Allocated memory is still 202.4 MB. Free memory was 167.3 MB in the beginning and 162.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1209.31 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 162.6 MB in the beginning and 188.7 MB in the end (delta: -26.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23947.19 ms. Allocated memory was 236.5 MB in the beginning and 475.5 MB in the end (delta: 239.1 MB). Free memory was 188.7 MB in the beginning and 174.1 MB in the end (delta: 14.6 MB). Peak memory consumption was 341.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((0 == methaneLevelCritical && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || ((((1 <= methaneLevelCritical && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.5s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2313 SDtfs, 1815 SDslu, 4802 SDs, 0 SdLazy, 2639 SolverSat, 890 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1523 GetRequests, 1425 SyntacticMatches, 16 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=793occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 407 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2391 PreInvPairs, 2752 NumberOfFragments, 3144 HoareAnnotationTreeSize, 2391 FomulaSimplifications, 13532 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 69 FomulaSimplificationsInter, 12104 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1202 NumberOfCodeBlocks, 1032 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1486 ConstructedInterpolants, 0 QuantifiedInterpolants, 359683 SizeOfPredicates, 40 NumberOfNonLiveVariables, 8976 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 186/200 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...