/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_spec2_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:01:45,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:01:45,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:01:46,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:01:46,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:01:46,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:01:46,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:01:46,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:01:46,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:01:46,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:01:46,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:01:46,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:01:46,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:01:46,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:01:46,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:01:46,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:01:46,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:01:46,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:01:46,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:01:46,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:01:46,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:01:46,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:01:46,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:01:46,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:01:46,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:01:46,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:01:46,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:01:46,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:01:46,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:01:46,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:01:46,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:01:46,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:01:46,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:01:46,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:01:46,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:01:46,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:01:46,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:01:46,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:01:46,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:01:46,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:01:46,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:01:46,075 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 13:01:46,109 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:01:46,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:01:46,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:01:46,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:01:46,114 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:01:46,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:01:46,114 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:01:46,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:01:46,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:01:46,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:01:46,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:01:46,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:01:46,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:01:46,116 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:01:46,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:01:46,116 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:01:46,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:01:46,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:01:46,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:01:46,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:01:46,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:01:46,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:01:46,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:01:46,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:01:46,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:01:46,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:01:46,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:46,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:01:46,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:01:46,121 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 13:01:46,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:01:46,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:01:46,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:01:46,446 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:01:46,446 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:01:46,448 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-07-20 13:01:46,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f49bdf68/1ff7623467fe4cb1b43119d01f0a0b7b/FLAG74613e3a5 [2020-07-20 13:01:47,020 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:01:47,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-07-20 13:01:47,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f49bdf68/1ff7623467fe4cb1b43119d01f0a0b7b/FLAG74613e3a5 [2020-07-20 13:01:47,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f49bdf68/1ff7623467fe4cb1b43119d01f0a0b7b [2020-07-20 13:01:47,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:01:47,361 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:01:47,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:01:47,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:01:47,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:01:47,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc8bdc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47, skipping insertion in model container [2020-07-20 13:01:47,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:01:47,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:01:47,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:01:47,915 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:01:48,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:01:48,054 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:01:48,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:48 WrapperNode [2020-07-20 13:01:48,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:01:48,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:01:48,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:01:48,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:01:48,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:48" (1/1) ... [2020-07-20 13:01:48,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:48" (1/1) ... [2020-07-20 13:01:48,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:48" (1/1) ... [2020-07-20 13:01:48,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:48" (1/1) ... [2020-07-20 13:01:48,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:48" (1/1) ... [2020-07-20 13:01:48,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:48" (1/1) ... [2020-07-20 13:01:48,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:48" (1/1) ... [2020-07-20 13:01:48,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:01:48,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:01:48,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:01:48,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:01:48,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:48" (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 13:01:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:01:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:01:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:01:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:01:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:01:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:01:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:01:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:01:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:01:48,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:01:48,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:01:48,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:01:48,252 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:01:48,252 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:01:48,252 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:01:48,253 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:01:48,253 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:01:48,253 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:01:48,254 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:01:48,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:01:48,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:01:48,254 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:01:48,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:01:48,255 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:01:48,255 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:01:48,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:01:48,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:01:48,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:01:48,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:01:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:01:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:01:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:01:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:01:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:01:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:01:48,258 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:01:48,258 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:01:48,258 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:01:48,258 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:01:48,258 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:01:48,258 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:01:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:01:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:01:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:01:48,259 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:01:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:01:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:01:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:01:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:01:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:01:48,260 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:01:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:01:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:01:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:01:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:01:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:01:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:01:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:01:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:01:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:01:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:01:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:01:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:01:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:01:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:01:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:01:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:01:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:01:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:01:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:01:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:01:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:01:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:01:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:01:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:01:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:01:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:01:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:01:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:01:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:01:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:01:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:01:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:01:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:01:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:01:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:01:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:01:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:01:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:01:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:01:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:01:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:01:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:01:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:01:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:01:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:01:49,362 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:01:49,362 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:01:49,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:49 BoogieIcfgContainer [2020-07-20 13:01:49,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:01:49,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:01:49,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:01:49,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:01:49,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:01:47" (1/3) ... [2020-07-20 13:01:49,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f168731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:49, skipping insertion in model container [2020-07-20 13:01:49,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:48" (2/3) ... [2020-07-20 13:01:49,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f168731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:49, skipping insertion in model container [2020-07-20 13:01:49,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:49" (3/3) ... [2020-07-20 13:01:49,376 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-07-20 13:01:49,387 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:01:49,396 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:01:49,411 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:01:49,436 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:01:49,436 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:01:49,437 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:01:49,437 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:01:49,437 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:01:49,437 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:01:49,438 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:01:49,438 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:01:49,461 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-20 13:01:49,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 13:01:49,472 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:49,473 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:49,474 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:49,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:49,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1292486909, now seen corresponding path program 1 times [2020-07-20 13:01:49,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:49,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589214101] [2020-07-20 13:01:49,489 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 13:01:49,955 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:49,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:49,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:01:49,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:50,010 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 13:01:50,011 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:50,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589214101] [2020-07-20 13:01:50,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:50,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:01:50,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213354674] [2020-07-20 13:01:50,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:01:50,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:50,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:01:50,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:01:50,042 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2020-07-20 13:01:50,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:50,090 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2020-07-20 13:01:50,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:01:50,091 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 13:01:50,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:50,108 INFO L225 Difference]: With dead ends: 272 [2020-07-20 13:01:50,109 INFO L226 Difference]: Without dead ends: 138 [2020-07-20 13:01:50,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:01:50,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-20 13:01:50,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-20 13:01:50,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-20 13:01:50,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2020-07-20 13:01:50,182 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 51 [2020-07-20 13:01:50,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:50,183 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2020-07-20 13:01:50,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:01:50,183 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2020-07-20 13:01:50,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:01:50,187 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:50,188 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 13:01:50,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:50,402 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:50,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:50,402 INFO L82 PathProgramCache]: Analyzing trace with hash -11798802, now seen corresponding path program 1 times [2020-07-20 13:01:50,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:50,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493709635] [2020-07-20 13:01:50,403 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 13:01:50,828 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:50,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:50,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:01:50,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:50,868 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 13:01:50,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:50,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493709635] [2020-07-20 13:01:50,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:50,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:50,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673567189] [2020-07-20 13:01:50,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:50,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:50,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:50,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:50,872 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 3 states. [2020-07-20 13:01:50,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:50,894 INFO L93 Difference]: Finished difference Result 211 states and 249 transitions. [2020-07-20 13:01:50,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:50,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 13:01:50,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:50,897 INFO L225 Difference]: With dead ends: 211 [2020-07-20 13:01:50,898 INFO L226 Difference]: Without dead ends: 129 [2020-07-20 13:01:50,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:50,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-20 13:01:50,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-20 13:01:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-20 13:01:50,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2020-07-20 13:01:50,914 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 52 [2020-07-20 13:01:50,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:50,915 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2020-07-20 13:01:50,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:50,915 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2020-07-20 13:01:50,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 13:01:50,917 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:50,917 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:51,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:51,133 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:51,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:51,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1490469892, now seen corresponding path program 1 times [2020-07-20 13:01:51,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:51,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521858874] [2020-07-20 13:01:51,134 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 13:01:51,670 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:51,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:51,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:01:51,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:51,706 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 13:01:51,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:51,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521858874] [2020-07-20 13:01:51,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:51,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:51,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537805614] [2020-07-20 13:01:51,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:51,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:51,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:51,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:51,709 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 3 states. [2020-07-20 13:01:51,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:51,749 INFO L93 Difference]: Finished difference Result 327 states and 396 transitions. [2020-07-20 13:01:51,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:51,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-20 13:01:51,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:51,753 INFO L225 Difference]: With dead ends: 327 [2020-07-20 13:01:51,753 INFO L226 Difference]: Without dead ends: 226 [2020-07-20 13:01:51,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 13:01:51,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-20 13:01:51,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 220. [2020-07-20 13:01:51,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-20 13:01:51,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 265 transitions. [2020-07-20 13:01:51,784 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 265 transitions. Word has length 57 [2020-07-20 13:01:51,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:51,785 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 265 transitions. [2020-07-20 13:01:51,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:51,785 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 265 transitions. [2020-07-20 13:01:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 13:01:51,788 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:51,788 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:52,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:52,004 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:52,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:52,004 INFO L82 PathProgramCache]: Analyzing trace with hash -512554003, now seen corresponding path program 1 times [2020-07-20 13:01:52,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:52,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1179863195] [2020-07-20 13:01:52,005 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 13:01:52,417 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:52,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:52,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 13:01:52,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:52,498 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 13:01:52,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:52,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1179863195] [2020-07-20 13:01:52,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:52,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:52,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389358424] [2020-07-20 13:01:52,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:52,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:52,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:52,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:52,502 INFO L87 Difference]: Start difference. First operand 220 states and 265 transitions. Second operand 6 states. [2020-07-20 13:01:52,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:52,786 INFO L93 Difference]: Finished difference Result 591 states and 731 transitions. [2020-07-20 13:01:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:01:52,789 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-20 13:01:52,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:52,796 INFO L225 Difference]: With dead ends: 591 [2020-07-20 13:01:52,797 INFO L226 Difference]: Without dead ends: 399 [2020-07-20 13:01:52,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 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 13:01:52,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-07-20 13:01:52,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 395. [2020-07-20 13:01:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-07-20 13:01:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 480 transitions. [2020-07-20 13:01:52,841 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 480 transitions. Word has length 62 [2020-07-20 13:01:52,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:52,841 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 480 transitions. [2020-07-20 13:01:52,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:52,841 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 480 transitions. [2020-07-20 13:01:52,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-20 13:01:52,845 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:52,846 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] [2020-07-20 13:01:53,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:53,059 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:53,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:53,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1361940215, now seen corresponding path program 1 times [2020-07-20 13:01:53,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:53,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110843200] [2020-07-20 13:01:53,061 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 13:01:53,409 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:53,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:53,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:01:53,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:53,451 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 13:01:53,451 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:53,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110843200] [2020-07-20 13:01:53,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:53,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:53,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598948707] [2020-07-20 13:01:53,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:53,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:53,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:53,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:53,454 INFO L87 Difference]: Start difference. First operand 395 states and 480 transitions. Second operand 6 states. [2020-07-20 13:01:53,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:53,716 INFO L93 Difference]: Finished difference Result 970 states and 1232 transitions. [2020-07-20 13:01:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:01:53,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-07-20 13:01:53,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:53,721 INFO L225 Difference]: With dead ends: 970 [2020-07-20 13:01:53,722 INFO L226 Difference]: Without dead ends: 603 [2020-07-20 13:01:53,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 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 13:01:53,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2020-07-20 13:01:53,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 591. [2020-07-20 13:01:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-07-20 13:01:53,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 722 transitions. [2020-07-20 13:01:53,779 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 722 transitions. Word has length 66 [2020-07-20 13:01:53,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:53,780 INFO L479 AbstractCegarLoop]: Abstraction has 591 states and 722 transitions. [2020-07-20 13:01:53,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:53,780 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 722 transitions. [2020-07-20 13:01:53,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 13:01:53,786 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:53,786 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] [2020-07-20 13:01:53,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:53,988 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:53,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:53,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1572074791, now seen corresponding path program 1 times [2020-07-20 13:01:53,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:53,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240916382] [2020-07-20 13:01:53,990 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 13:01:54,290 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:54,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:54,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:01:54,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:54,334 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 13:01:54,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:54,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240916382] [2020-07-20 13:01:54,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:54,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:54,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500732946] [2020-07-20 13:01:54,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:54,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:54,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:54,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:54,339 INFO L87 Difference]: Start difference. First operand 591 states and 722 transitions. Second operand 3 states. [2020-07-20 13:01:54,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:54,414 INFO L93 Difference]: Finished difference Result 1701 states and 2234 transitions. [2020-07-20 13:01:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:54,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-07-20 13:01:54,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:54,423 INFO L225 Difference]: With dead ends: 1701 [2020-07-20 13:01:54,423 INFO L226 Difference]: Without dead ends: 1138 [2020-07-20 13:01:54,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 86 SyntacticMatches, 1 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 13:01:54,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2020-07-20 13:01:54,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1135. [2020-07-20 13:01:54,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2020-07-20 13:01:54,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1454 transitions. [2020-07-20 13:01:54,491 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1454 transitions. Word has length 89 [2020-07-20 13:01:54,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:54,492 INFO L479 AbstractCegarLoop]: Abstraction has 1135 states and 1454 transitions. [2020-07-20 13:01:54,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:54,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1454 transitions. [2020-07-20 13:01:54,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 13:01:54,496 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:54,496 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] [2020-07-20 13:01:54,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:54,710 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:54,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:54,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1949818700, now seen corresponding path program 1 times [2020-07-20 13:01:54,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:54,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [455428969] [2020-07-20 13:01:54,713 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 13:01:55,000 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:55,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:55,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 13:01:55,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:55,068 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 13:01:55,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:55,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [455428969] [2020-07-20 13:01:55,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:55,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:55,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522959930] [2020-07-20 13:01:55,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:55,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:55,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:55,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:55,070 INFO L87 Difference]: Start difference. First operand 1135 states and 1454 transitions. Second operand 6 states. [2020-07-20 13:01:56,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:56,134 INFO L93 Difference]: Finished difference Result 3912 states and 5378 transitions. [2020-07-20 13:01:56,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 13:01:56,137 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-07-20 13:01:56,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:56,160 INFO L225 Difference]: With dead ends: 3912 [2020-07-20 13:01:56,160 INFO L226 Difference]: Without dead ends: 2805 [2020-07-20 13:01:56,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 13:01:56,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2805 states. [2020-07-20 13:01:56,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2805 to 2563. [2020-07-20 13:01:56,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2563 states. [2020-07-20 13:01:56,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 3384 transitions. [2020-07-20 13:01:56,358 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 3384 transitions. Word has length 93 [2020-07-20 13:01:56,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:56,359 INFO L479 AbstractCegarLoop]: Abstraction has 2563 states and 3384 transitions. [2020-07-20 13:01:56,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:56,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 3384 transitions. [2020-07-20 13:01:56,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 13:01:56,363 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:56,363 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] [2020-07-20 13:01:56,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:56,579 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:56,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:56,579 INFO L82 PathProgramCache]: Analyzing trace with hash -153406106, now seen corresponding path program 1 times [2020-07-20 13:01:56,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:56,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352019066] [2020-07-20 13:01:56,580 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 13:01:57,001 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:57,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:57,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:01:57,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:57,037 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 13:01:57,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:57,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352019066] [2020-07-20 13:01:57,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:57,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:57,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6579597] [2020-07-20 13:01:57,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:57,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:57,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:57,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:57,039 INFO L87 Difference]: Start difference. First operand 2563 states and 3384 transitions. Second operand 6 states. [2020-07-20 13:01:57,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:57,168 INFO L93 Difference]: Finished difference Result 5158 states and 7016 transitions. [2020-07-20 13:01:57,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:01:57,169 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2020-07-20 13:01:57,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:57,187 INFO L225 Difference]: With dead ends: 5158 [2020-07-20 13:01:57,187 INFO L226 Difference]: Without dead ends: 2623 [2020-07-20 13:01:57,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 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 13:01:57,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2623 states. [2020-07-20 13:01:57,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2623 to 2623. [2020-07-20 13:01:57,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2623 states. [2020-07-20 13:01:57,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2623 states and 3460 transitions. [2020-07-20 13:01:57,355 INFO L78 Accepts]: Start accepts. Automaton has 2623 states and 3460 transitions. Word has length 89 [2020-07-20 13:01:57,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:57,356 INFO L479 AbstractCegarLoop]: Abstraction has 2623 states and 3460 transitions. [2020-07-20 13:01:57,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2623 states and 3460 transitions. [2020-07-20 13:01:57,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 13:01:57,360 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:57,361 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] [2020-07-20 13:01:57,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:57,574 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:57,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:57,574 INFO L82 PathProgramCache]: Analyzing trace with hash 548193768, now seen corresponding path program 1 times [2020-07-20 13:01:57,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:57,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496841335] [2020-07-20 13:01:57,575 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 13:01:57,913 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:57,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:57,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:01:57,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:57,943 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 13:01:57,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:57,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496841335] [2020-07-20 13:01:57,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:57,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:01:57,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008209753] [2020-07-20 13:01:57,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:01:57,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:57,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:01:57,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:01:57,946 INFO L87 Difference]: Start difference. First operand 2623 states and 3460 transitions. Second operand 5 states. [2020-07-20 13:01:58,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:58,052 INFO L93 Difference]: Finished difference Result 4960 states and 6716 transitions. [2020-07-20 13:01:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:01:58,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-07-20 13:01:58,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:58,076 INFO L225 Difference]: With dead ends: 4960 [2020-07-20 13:01:58,077 INFO L226 Difference]: Without dead ends: 2365 [2020-07-20 13:01:58,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 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 13:01:58,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2365 states. [2020-07-20 13:01:58,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2365 to 2365. [2020-07-20 13:01:58,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2365 states. [2020-07-20 13:01:58,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 2365 states and 3052 transitions. [2020-07-20 13:01:58,221 INFO L78 Accepts]: Start accepts. Automaton has 2365 states and 3052 transitions. Word has length 89 [2020-07-20 13:01:58,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:58,224 INFO L479 AbstractCegarLoop]: Abstraction has 2365 states and 3052 transitions. [2020-07-20 13:01:58,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:01:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 3052 transitions. [2020-07-20 13:01:58,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 13:01:58,227 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:58,227 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] [2020-07-20 13:01:58,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:58,441 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:58,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:58,441 INFO L82 PathProgramCache]: Analyzing trace with hash 81932175, now seen corresponding path program 1 times [2020-07-20 13:01:58,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:58,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [800010532] [2020-07-20 13:01:58,442 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 13:01:59,005 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:59,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:59,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 13:01:59,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:59,103 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 13:01:59,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:59,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [800010532] [2020-07-20 13:01:59,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:59,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:59,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400297121] [2020-07-20 13:01:59,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:59,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:59,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:59,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:59,106 INFO L87 Difference]: Start difference. First operand 2365 states and 3052 transitions. Second operand 3 states. [2020-07-20 13:01:59,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:59,232 INFO L93 Difference]: Finished difference Result 3996 states and 5321 transitions. [2020-07-20 13:01:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:59,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-20 13:01:59,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:59,259 INFO L225 Difference]: With dead ends: 3996 [2020-07-20 13:01:59,260 INFO L226 Difference]: Without dead ends: 3993 [2020-07-20 13:01:59,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 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 13:01:59,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3993 states. [2020-07-20 13:01:59,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3993 to 3727. [2020-07-20 13:01:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3727 states. [2020-07-20 13:01:59,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3727 states to 3727 states and 4995 transitions. [2020-07-20 13:01:59,459 INFO L78 Accepts]: Start accepts. Automaton has 3727 states and 4995 transitions. Word has length 93 [2020-07-20 13:01:59,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:59,460 INFO L479 AbstractCegarLoop]: Abstraction has 3727 states and 4995 transitions. [2020-07-20 13:01:59,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:59,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3727 states and 4995 transitions. [2020-07-20 13:01:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-20 13:01:59,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:59,466 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:59,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:59,681 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:59,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:59,681 INFO L82 PathProgramCache]: Analyzing trace with hash -896202634, now seen corresponding path program 1 times [2020-07-20 13:01:59,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:59,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881143762] [2020-07-20 13:01:59,683 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 13:02:00,018 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:00,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:00,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 13:02:00,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:00,115 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 13:02:00,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:00,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881143762] [2020-07-20 13:02:00,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:00,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:02:00,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906973508] [2020-07-20 13:02:00,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:02:00,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:00,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:02:00,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:00,118 INFO L87 Difference]: Start difference. First operand 3727 states and 4995 transitions. Second operand 3 states. [2020-07-20 13:02:00,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:00,324 INFO L93 Difference]: Finished difference Result 6081 states and 8104 transitions. [2020-07-20 13:02:00,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:02:00,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-07-20 13:02:00,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:00,346 INFO L225 Difference]: With dead ends: 6081 [2020-07-20 13:02:00,347 INFO L226 Difference]: Without dead ends: 2382 [2020-07-20 13:02:00,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 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 13:02:00,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2020-07-20 13:02:00,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2308. [2020-07-20 13:02:00,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2308 states. [2020-07-20 13:02:00,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2308 states and 2973 transitions. [2020-07-20 13:02:00,514 INFO L78 Accepts]: Start accepts. Automaton has 2308 states and 2973 transitions. Word has length 133 [2020-07-20 13:02:00,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:00,515 INFO L479 AbstractCegarLoop]: Abstraction has 2308 states and 2973 transitions. [2020-07-20 13:02:00,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:02:00,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2973 transitions. [2020-07-20 13:02:00,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-20 13:02:00,521 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:00,522 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, 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] [2020-07-20 13:02:00,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:00,736 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:00,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:00,736 INFO L82 PathProgramCache]: Analyzing trace with hash 688265763, now seen corresponding path program 1 times [2020-07-20 13:02:00,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:00,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1854930662] [2020-07-20 13:02:00,737 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 13:02:01,135 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:01,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:01,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 13:02:01,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 13:02:01,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:01,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1854930662] [2020-07-20 13:02:01,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:01,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 13:02:01,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749516734] [2020-07-20 13:02:01,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 13:02:01,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:01,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 13:02:01,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:01,228 INFO L87 Difference]: Start difference. First operand 2308 states and 2973 transitions. Second operand 8 states. [2020-07-20 13:02:01,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:01,768 INFO L93 Difference]: Finished difference Result 4027 states and 5169 transitions. [2020-07-20 13:02:01,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 13:02:01,770 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-07-20 13:02:01,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:01,780 INFO L225 Difference]: With dead ends: 4027 [2020-07-20 13:02:01,780 INFO L226 Difference]: Without dead ends: 1747 [2020-07-20 13:02:01,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:01,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2020-07-20 13:02:01,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2020-07-20 13:02:01,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1747 states. [2020-07-20 13:02:01,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2147 transitions. [2020-07-20 13:02:01,871 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2147 transitions. Word has length 152 [2020-07-20 13:02:01,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:01,871 INFO L479 AbstractCegarLoop]: Abstraction has 1747 states and 2147 transitions. [2020-07-20 13:02:01,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 13:02:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2147 transitions. [2020-07-20 13:02:01,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-20 13:02:01,876 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:01,877 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:02,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:02,090 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:02,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:02,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1034293868, now seen corresponding path program 1 times [2020-07-20 13:02:02,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:02,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1271757918] [2020-07-20 13:02:02,092 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:02,455 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:02,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:02,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-20 13:02:02,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:02,537 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 13:02:02,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:02:02,784 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:02:02,815 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 13:02:03,000 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-20 13:02:03,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1271757918] [2020-07-20 13:02:03,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:02:03,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 12 [2020-07-20 13:02:03,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240045104] [2020-07-20 13:02:03,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 13:02:03,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:03,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 13:02:03,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-07-20 13:02:03,003 INFO L87 Difference]: Start difference. First operand 1747 states and 2147 transitions. Second operand 12 states. [2020-07-20 13:02:04,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:04,379 INFO L93 Difference]: Finished difference Result 4827 states and 6700 transitions. [2020-07-20 13:02:04,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 13:02:04,380 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 156 [2020-07-20 13:02:04,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:04,402 INFO L225 Difference]: With dead ends: 4827 [2020-07-20 13:02:04,402 INFO L226 Difference]: Without dead ends: 3108 [2020-07-20 13:02:04,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 290 SyntacticMatches, 14 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2020-07-20 13:02:04,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3108 states. [2020-07-20 13:02:04,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3108 to 1808. [2020-07-20 13:02:04,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1808 states. [2020-07-20 13:02:04,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 2131 transitions. [2020-07-20 13:02:04,551 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 2131 transitions. Word has length 156 [2020-07-20 13:02:04,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:04,552 INFO L479 AbstractCegarLoop]: Abstraction has 1808 states and 2131 transitions. [2020-07-20 13:02:04,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 13:02:04,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2131 transitions. [2020-07-20 13:02:04,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-20 13:02:04,557 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:04,557 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:04,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:04,772 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:04,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:04,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1229107054, now seen corresponding path program 1 times [2020-07-20 13:02:04,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:04,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [685613312] [2020-07-20 13:02:04,774 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:05,173 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:05,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:05,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 13:02:05,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:05,206 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:02:05,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:05,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [685613312] [2020-07-20 13:02:05,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:05,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:02:05,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132910028] [2020-07-20 13:02:05,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:02:05,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:05,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:02:05,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:05,208 INFO L87 Difference]: Start difference. First operand 1808 states and 2131 transitions. Second operand 3 states. [2020-07-20 13:02:05,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:05,339 INFO L93 Difference]: Finished difference Result 3434 states and 4096 transitions. [2020-07-20 13:02:05,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:02:05,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-20 13:02:05,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:05,341 INFO L225 Difference]: With dead ends: 3434 [2020-07-20 13:02:05,341 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:02:05,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 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 13:02:05,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:02:05,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:02:05,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:02:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:02:05,350 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2020-07-20 13:02:05,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:05,351 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:02:05,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:02:05,351 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:02:05,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:02:05,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:05,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:02:07,464 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 96 [2020-07-20 13:02:08,315 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 133 [2020-07-20 13:02:09,670 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 37 [2020-07-20 13:02:10,010 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-07-20 13:02:10,354 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2020-07-20 13:02:12,533 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2020-07-20 13:02:13,055 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 44 [2020-07-20 13:02:13,362 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-07-20 13:02:13,655 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-20 13:02:14,122 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-07-20 13:02:15,245 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 148 DAG size of output: 63 [2020-07-20 13:02:15,729 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 38 [2020-07-20 13:02:16,136 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 48 [2020-07-20 13:02:16,431 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 33 [2020-07-20 13:02:16,874 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 46 [2020-07-20 13:02:17,052 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2020-07-20 13:02:17,314 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 43 [2020-07-20 13:02:17,532 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2020-07-20 13:02:17,685 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 33 [2020-07-20 13:02:18,429 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 55 [2020-07-20 13:02:19,680 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 132 DAG size of output: 65 [2020-07-20 13:02:20,398 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 46 [2020-07-20 13:02:20,918 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 43 [2020-07-20 13:02:21,241 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2020-07-20 13:02:21,543 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2020-07-20 13:02:21,706 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-20 13:02:22,183 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 45 [2020-07-20 13:02:22,577 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-07-20 13:02:22,768 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2020-07-20 13:02:23,020 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2020-07-20 13:02:23,705 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2020-07-20 13:02:24,020 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-20 13:02:24,301 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 42 [2020-07-20 13:02:24,305 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-07-20 13:02:24,305 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2020-07-20 13:02:24,305 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-20 13:02:24,306 INFO L268 CegarLoopResult]: For program point L536-2(lines 536 557) no Hoare annotation was computed. [2020-07-20 13:02:24,306 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 511 566) no Hoare annotation was computed. [2020-07-20 13:02:24,306 INFO L268 CegarLoopResult]: For program point L558(lines 535 559) no Hoare annotation was computed. [2020-07-20 13:02:24,306 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 511 566) no Hoare annotation was computed. [2020-07-20 13:02:24,306 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 511 566) no Hoare annotation was computed. [2020-07-20 13:02:24,307 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-07-20 13:02:24,307 INFO L268 CegarLoopResult]: For program point L599-1(lines 599 603) no Hoare annotation was computed. [2020-07-20 13:02:24,307 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 567 626) no Hoare annotation was computed. [2020-07-20 13:02:24,307 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-07-20 13:02:24,307 INFO L268 CegarLoopResult]: For program point L593-2(lines 593 618) no Hoare annotation was computed. [2020-07-20 13:02:24,307 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 567 626) no Hoare annotation was computed. [2020-07-20 13:02:24,308 INFO L268 CegarLoopResult]: For program point L619(lines 592 620) no Hoare annotation was computed. [2020-07-20 13:02:24,308 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 567 626) no Hoare annotation was computed. [2020-07-20 13:02:24,308 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-07-20 13:02:24,308 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-07-20 13:02:24,308 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 952 958) the Hoare annotation is: true [2020-07-20 13:02:24,308 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 952 958) no Hoare annotation was computed. [2020-07-20 13:02:24,308 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 959 967) no Hoare annotation was computed. [2020-07-20 13:02:24,309 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 959 967) the Hoare annotation is: true [2020-07-20 13:02:24,309 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 959 967) no Hoare annotation was computed. [2020-07-20 13:02:24,309 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 910 932) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:24,309 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:24,309 INFO L264 CegarLoopResult]: At program point L922-1(line 922) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:24,309 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 910 932) no Hoare annotation was computed. [2020-07-20 13:02:24,310 INFO L268 CegarLoopResult]: For program point L920(lines 920 927) no Hoare annotation was computed. [2020-07-20 13:02:24,310 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 927) no Hoare annotation was computed. [2020-07-20 13:02:24,310 INFO L268 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-07-20 13:02:24,310 INFO L264 CegarLoopResult]: At program point L917(line 917) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:24,310 INFO L264 CegarLoopResult]: At program point L916(line 916) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:24,310 INFO L264 CegarLoopResult]: At program point L916-1(line 916) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:24,311 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 910 932) no Hoare annotation was computed. [2020-07-20 13:02:24,311 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 865 888) no Hoare annotation was computed. [2020-07-20 13:02:24,311 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 865 888) no Hoare annotation was computed. [2020-07-20 13:02:24,311 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 865 888) no Hoare annotation was computed. [2020-07-20 13:02:24,311 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-07-20 13:02:24,311 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-20 13:02:24,311 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-07-20 13:02:24,311 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-07-20 13:02:24,312 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-07-20 13:02:24,312 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-07-20 13:02:24,312 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-07-20 13:02:24,312 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-07-20 13:02:24,312 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-07-20 13:02:24,312 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-07-20 13:02:24,312 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-07-20 13:02:24,312 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-07-20 13:02:24,313 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-07-20 13:02:24,313 INFO L268 CegarLoopResult]: For program point L870(line 870) no Hoare annotation was computed. [2020-07-20 13:02:24,313 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 435 449) no Hoare annotation was computed. [2020-07-20 13:02:24,313 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse10 (<= 1 ~systemActive~0)) (.cse9 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2) (or .cse5 .cse7 .cse0 .cse8 .cse9 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse10 .cse9) (or .cse5 .cse0 .cse2 .cse8 .cse9 .cse4) (or .cse5 .cse7 .cse1 .cse6) (or .cse7 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse7 .cse0 .cse1 .cse10 .cse9))) [2020-07-20 13:02:24,313 INFO L268 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2020-07-20 13:02:24,313 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 435 449) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (<= 1 ~pumpRunning~0)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse11 (<= 1 ~systemActive~0)) (.cse8 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse8 .cse4) (or .cse5 .cse1 .cse9 .cse2 .cse10) (or .cse5 .cse0 .cse1 .cse2 .cse11 .cse8) (or .cse5 .cse0 .cse2 .cse7 .cse8 .cse4) (or .cse6 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse9 .cse10) (or .cse5 .cse6 .cse0 .cse1 .cse11 .cse8))) [2020-07-20 13:02:24,313 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 435 449) no Hoare annotation was computed. [2020-07-20 13:02:24,314 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2020-07-20 13:02:24,314 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 371 379) the Hoare annotation is: true [2020-07-20 13:02:24,314 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 371 379) no Hoare annotation was computed. [2020-07-20 13:02:24,314 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2020-07-20 13:02:24,314 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 13:02:24,314 INFO L268 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2020-07-20 13:02:24,314 INFO L268 CegarLoopResult]: For program point L399(lines 399 407) no Hoare annotation was computed. [2020-07-20 13:02:24,314 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 380 415) no Hoare annotation was computed. [2020-07-20 13:02:24,315 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 407) no Hoare annotation was computed. [2020-07-20 13:02:24,315 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 380 415) no Hoare annotation was computed. [2020-07-20 13:02:24,315 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-07-20 13:02:24,315 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 380 415) no Hoare annotation was computed. [2020-07-20 13:02:24,315 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 945 951) no Hoare annotation was computed. [2020-07-20 13:02:24,315 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 945 951) the Hoare annotation is: true [2020-07-20 13:02:24,315 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 465 510) no Hoare annotation was computed. [2020-07-20 13:02:24,315 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 465 510) no Hoare annotation was computed. [2020-07-20 13:02:24,315 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 465 510) no Hoare annotation was computed. [2020-07-20 13:02:24,315 INFO L268 CegarLoopResult]: For program point L798(lines 798 805) no Hoare annotation was computed. [2020-07-20 13:02:24,316 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 778 823) no Hoare annotation was computed. [2020-07-20 13:02:24,316 INFO L268 CegarLoopResult]: For program point L792(lines 792 812) no Hoare annotation was computed. [2020-07-20 13:02:24,316 INFO L268 CegarLoopResult]: For program point L792-1(lines 792 812) no Hoare annotation was computed. [2020-07-20 13:02:24,316 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 778 823) no Hoare annotation was computed. [2020-07-20 13:02:24,316 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 778 823) no Hoare annotation was computed. [2020-07-20 13:02:24,316 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 896 906) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:24,316 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 896 906) no Hoare annotation was computed. [2020-07-20 13:02:24,316 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 896 906) no Hoare annotation was computed. [2020-07-20 13:02:24,317 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:24,317 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 360 370) the Hoare annotation is: true [2020-07-20 13:02:24,317 INFO L271 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: true [2020-07-20 13:02:24,317 INFO L268 CegarLoopResult]: For program point L365-1(line 365) no Hoare annotation was computed. [2020-07-20 13:02:24,317 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 360 370) no Hoare annotation was computed. [2020-07-20 13:02:24,317 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 360 370) no Hoare annotation was computed. [2020-07-20 13:02:24,317 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 352 359) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse8 (not (<= 1 ~waterLevel~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse6 (not (<= 1 ~systemActive~0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse4 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse2 .cse7 .cse4) (or .cse8 .cse6 .cse0 .cse2 .cse7 .cse4) (or .cse9 .cse0 .cse1 .cse3 .cse4) (or .cse8 .cse6 .cse9 .cse0 .cse7 .cse4) (or .cse5 .cse6 .cse9 .cse0 .cse7 .cse4))) [2020-07-20 13:02:24,317 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2020-07-20 13:02:24,317 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2020-07-20 13:02:24,318 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-07-20 13:02:24,318 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 167 180) no Hoare annotation was computed. [2020-07-20 13:02:24,318 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 167 180) the Hoare annotation is: true [2020-07-20 13:02:24,318 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 167 180) no Hoare annotation was computed. [2020-07-20 13:02:24,318 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 319 343) no Hoare annotation was computed. [2020-07-20 13:02:24,318 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 319 343) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse9 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse7 .cse4 .cse8 .cse9) (or .cse10 .cse1 .cse7 .cse4 .cse8 .cse9) (or .cse10 .cse1 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse6 .cse7 .cse8 .cse9))) [2020-07-20 13:02:24,318 INFO L264 CegarLoopResult]: At program point L338(line 338) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (not (<= 1 ~waterLevel~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (or .cse7 .cse1 .cse6 .cse8 .cse9) (or .cse7 .cse1 .cse8 .cse4 .cse9) (or .cse0 .cse1 .cse6 .cse8 .cse9) (or .cse0 .cse1 .cse8 .cse4 .cse9))) [2020-07-20 13:02:24,319 INFO L268 CegarLoopResult]: For program point L338-1(lines 319 343) no Hoare annotation was computed. [2020-07-20 13:02:24,319 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (<= 1 ~pumpRunning~0)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse2 .cse3) (or .cse0 .cse1 .cse7 .cse4 .cse8 .cse9) (or .cse5 .cse1 .cse7 .cse4 .cse8 .cse9) (or .cse0 .cse1 .cse6 .cse7 .cse8))) [2020-07-20 13:02:24,319 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (let ((.cse8 (<= 1 ~pumpRunning~0))) (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (<= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3) .cse8)) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse4 .cse7 .cse8) (or .cse9 .cse1 .cse5 .cse10 .cse6 .cse7) (or .cse9 .cse1 .cse6 .cse4 .cse7 .cse8) (or .cse0 .cse1 .cse5 .cse6 .cse10 .cse7)))) [2020-07-20 13:02:24,319 INFO L268 CegarLoopResult]: For program point L327(lines 327 335) no Hoare annotation was computed. [2020-07-20 13:02:24,319 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse8 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse4 .cse7 .cse8) (or .cse9 .cse1 .cse6 .cse4 .cse7 .cse8) (or .cse9 .cse1 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse5 .cse6 .cse7 .cse8))) [2020-07-20 13:02:24,319 INFO L268 CegarLoopResult]: For program point L325-1(line 325) no Hoare annotation was computed. [2020-07-20 13:02:24,320 INFO L268 CegarLoopResult]: For program point L323(lines 323 340) no Hoare annotation was computed. [2020-07-20 13:02:24,320 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 285 291) no Hoare annotation was computed. [2020-07-20 13:02:24,320 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 285 291) the Hoare annotation is: true [2020-07-20 13:02:24,320 INFO L264 CegarLoopResult]: At program point testENTRY(lines 186 253) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:24,320 INFO L268 CegarLoopResult]: For program point testFINAL(lines 186 253) no Hoare annotation was computed. [2020-07-20 13:02:24,320 INFO L264 CegarLoopResult]: At program point L246(lines 195 247) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:24,320 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse5 (<= 1 ~systemActive~0)) (.cse8 (< 1 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 (<= ~waterLevel~0 1) .cse4 .cse5 .cse6) (and .cse8 .cse1 .cse2 .cse4 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse4) (not (<= 1 |old(~systemActive~0)|)) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-20 13:02:24,320 INFO L268 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-07-20 13:02:24,321 INFO L264 CegarLoopResult]: At program point L234-1(lines 226 241) the Hoare annotation is: (let ((.cse7 (< 1 ~waterLevel~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse9 (= 0 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0)) (.cse8 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse7 .cse2 .cse4 .cse5 .cse8) (and .cse7 .cse1 .cse2 .cse4 .cse5 .cse8) (and .cse6 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse4 .cse5 .cse8) (not (<= 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse6 .cse9 .cse2 .cse3 .cse4) (and .cse1 .cse9 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse4 .cse5 .cse8) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:24,321 INFO L268 CegarLoopResult]: For program point L197(lines 196 245) no Hoare annotation was computed. [2020-07-20 13:02:24,321 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (let ((.cse6 (<= ~waterLevel~0 1)) (.cse8 (< 1 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse4 .cse7) (and .cse5 .cse8 .cse2 .cse4 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse6 .cse4 .cse7) (and .cse8 .cse1 .cse2 .cse4 .cse7) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4))) [2020-07-20 13:02:24,321 INFO L268 CegarLoopResult]: For program point L226(lines 226 241) no Hoare annotation was computed. [2020-07-20 13:02:24,321 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (< 1 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5 .cse7) (and .cse8 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse8 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse8 .cse0 .cse2 .cse4 .cse5 .cse7) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:24,321 INFO L268 CegarLoopResult]: For program point L216(lines 216 222) no Hoare annotation was computed. [2020-07-20 13:02:24,322 INFO L268 CegarLoopResult]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2020-07-20 13:02:24,322 INFO L264 CegarLoopResult]: At program point L243(lines 196 245) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~systemActive~0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 0 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse2 .cse4 .cse5 .cse8) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (< 1 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5 .cse8) (and .cse7 .cse0 .cse6 .cse2 .cse3 .cse4) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:24,322 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~systemActive~0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 0 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse2 .cse4 .cse5 .cse8) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (< 1 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5 .cse8) (and .cse7 .cse0 .cse6 .cse2 .cse3 .cse4) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:24,322 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-20 13:02:24,322 INFO L268 CegarLoopResult]: For program point L206-1(lines 206 212) no Hoare annotation was computed. [2020-07-20 13:02:24,322 INFO L268 CegarLoopResult]: For program point L198(lines 198 202) no Hoare annotation was computed. [2020-07-20 13:02:24,323 INFO L268 CegarLoopResult]: For program point testEXIT(lines 186 253) no Hoare annotation was computed. [2020-07-20 13:02:24,323 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 732 777) no Hoare annotation was computed. [2020-07-20 13:02:24,323 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 732 777) no Hoare annotation was computed. [2020-07-20 13:02:24,323 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 732 777) no Hoare annotation was computed. [2020-07-20 13:02:24,323 INFO L268 CegarLoopResult]: For program point L752(lines 752 759) no Hoare annotation was computed. [2020-07-20 13:02:24,323 INFO L268 CegarLoopResult]: For program point L746(lines 746 766) no Hoare annotation was computed. [2020-07-20 13:02:24,323 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 766) no Hoare annotation was computed. [2020-07-20 13:02:24,323 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-20 13:02:24,323 INFO L268 CegarLoopResult]: For program point L64(lines 64 74) no Hoare annotation was computed. [2020-07-20 13:02:24,324 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 .cse4 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0) .cse1 .cse5 (not (<= 2 ~waterLevel~0)) .cse3) (or .cse0 .cse5 .cse2 .cse4 .cse3) (or .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse6))) [2020-07-20 13:02:24,324 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-07-20 13:02:24,324 INFO L268 CegarLoopResult]: For program point L60(lines 60 77) no Hoare annotation was computed. [2020-07-20 13:02:24,324 INFO L268 CegarLoopResult]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2020-07-20 13:02:24,324 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (<= ~waterLevel~0 2)) .cse2 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 13:02:24,324 INFO L268 CegarLoopResult]: For program point L58-1(line 58) no Hoare annotation was computed. [2020-07-20 13:02:24,325 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (<= ~waterLevel~0 2)) .cse2 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 13:02:24,325 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2020-07-20 13:02:24,325 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 (not (< 1 ~waterLevel~0)) .cse5) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse4 .cse6 .cse5) (or .cse0 .cse1 .cse2 .cse7 (not (<= 2 ~waterLevel~0)) .cse5) (or .cse0 .cse7 .cse4 .cse6 .cse5) (or .cse2 .cse8 .cse4 .cse3) (or .cse1 .cse2 .cse8 .cse3) (or .cse0 .cse2 .cse4 .cse3))) [2020-07-20 13:02:24,325 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 13:02:24,325 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-20 13:02:24,325 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-20 13:02:24,325 INFO L268 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-07-20 13:02:24,326 INFO L268 CegarLoopResult]: For program point L143-2(lines 143 151) no Hoare annotation was computed. [2020-07-20 13:02:24,326 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 135 157) no Hoare annotation was computed. [2020-07-20 13:02:24,326 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 135 157) no Hoare annotation was computed. [2020-07-20 13:02:24,326 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 135 157) no Hoare annotation was computed. [2020-07-20 13:02:24,326 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 629 731) no Hoare annotation was computed. [2020-07-20 13:02:24,326 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-07-20 13:02:24,326 INFO L268 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-07-20 13:02:24,326 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-07-20 13:02:24,326 INFO L268 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-07-20 13:02:24,327 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-07-20 13:02:24,327 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 629 731) no Hoare annotation was computed. [2020-07-20 13:02:24,327 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 698) no Hoare annotation was computed. [2020-07-20 13:02:24,327 INFO L268 CegarLoopResult]: For program point L699(lines 677 700) no Hoare annotation was computed. [2020-07-20 13:02:24,327 INFO L268 CegarLoopResult]: For program point L658(lines 658 674) no Hoare annotation was computed. [2020-07-20 13:02:24,327 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 629 731) no Hoare annotation was computed. [2020-07-20 13:02:24,327 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-07-20 13:02:24,327 INFO L268 CegarLoopResult]: For program point L679(lines 678 698) no Hoare annotation was computed. [2020-07-20 13:02:24,327 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-07-20 13:02:24,328 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-07-20 13:02:24,328 INFO L268 CegarLoopResult]: For program point L675(lines 675 716) no Hoare annotation was computed. [2020-07-20 13:02:24,328 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 935 944) no Hoare annotation was computed. [2020-07-20 13:02:24,328 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 935 944) no Hoare annotation was computed. [2020-07-20 13:02:24,328 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 935 944) no Hoare annotation was computed. [2020-07-20 13:02:24,328 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:24,328 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 13:02:24,328 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:24,329 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 344 351) no Hoare annotation was computed. [2020-07-20 13:02:24,329 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 344 351) no Hoare annotation was computed. [2020-07-20 13:02:24,329 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 344 351) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4 .cse5) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 .cse5))) [2020-07-20 13:02:24,329 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 158 166) no Hoare annotation was computed. [2020-07-20 13:02:24,329 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 158 166) no Hoare annotation was computed. [2020-07-20 13:02:24,329 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 158 166) no Hoare annotation was computed. [2020-07-20 13:02:24,329 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 416 434) no Hoare annotation was computed. [2020-07-20 13:02:24,329 INFO L268 CegarLoopResult]: For program point L425(lines 425 429) no Hoare annotation was computed. [2020-07-20 13:02:24,330 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-20 13:02:24,330 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2020-07-20 13:02:24,330 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-20 13:02:24,330 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 416 434) the Hoare annotation is: true [2020-07-20 13:02:24,330 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 416 434) no Hoare annotation was computed. [2020-07-20 13:02:24,330 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 114 125) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse9 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse6 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse8 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7 (not (<= 2 ~waterLevel~0)) .cse8 .cse9) (or .cse0 .cse2 .cse7 .cse3 .cse5 .cse9) (or .cse0 .cse6 .cse2 .cse7 .cse5 .cse9) (or .cse0 .cse6 .cse1 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse2 .cse4 .cse8))) [2020-07-20 13:02:24,330 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 114 125) no Hoare annotation was computed. [2020-07-20 13:02:24,330 INFO L268 CegarLoopResult]: For program point L118-1(lines 114 125) no Hoare annotation was computed. [2020-07-20 13:02:24,331 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:24,331 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:02:24,331 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:24,331 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 126 134) the Hoare annotation is: true [2020-07-20 13:02:24,331 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-20 13:02:24,331 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-20 13:02:24,331 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse14 (= 0 ~methAndRunningLastTime~0)) (.cse17 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse15 (<= 1 ~pumpRunning~0))) (let ((.cse12 (and .cse14 (<= ~waterLevel~0 1) .cse17 .cse15)) (.cse13 (not (<= 1 |old(~waterLevel~0)|))) (.cse7 (and (<= 1 ~waterLevel~0) .cse17 .cse15)) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (and .cse14 (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse16 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7 .cse8 .cse5 .cse9) (or .cse10 .cse0 .cse6 .cse11 .cse2 .cse3) (or .cse10 .cse0 .cse6 .cse8 .cse2 .cse12 .cse13) (or .cse0 (and .cse14 .cse11 .cse15) .cse6 .cse8 .cse2 .cse5) (or .cse10 .cse0 .cse8 .cse2 .cse12 .cse4 .cse13) (or .cse0 .cse14 .cse8 .cse2 .cse4 .cse5) (or .cse10 .cse0 .cse11 .cse2 .cse3 .cse4) (or .cse6 .cse16 .cse3 .cse5) (or .cse0 .cse7 .cse8 .cse4 .cse5 .cse9) (or .cse1 .cse0 .cse6 .cse2 .cse3 .cse5) (or .cse16 .cse3 .cse4 .cse5) (or .cse10 .cse0 .cse8 (and .cse11 .cse15) .cse2 .cse4)))) [2020-07-20 13:02:24,332 INFO L264 CegarLoopResult]: At program point L272(lines 272 278) the Hoare annotation is: (let ((.cse12 (<= ~waterLevel~0 2)) (.cse20 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse23 (<= ~waterLevel~0 1)) (.cse17 (<= 1 ~waterLevel~0)) (.cse22 (= 0 ~pumpRunning~0)) (.cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (let ((.cse18 (and .cse17 .cse22 .cse5)) (.cse19 (not (<= 2 |old(~waterLevel~0)|))) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (and .cse22 .cse23 .cse5)) (.cse6 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and .cse20 .cse22 .cse23 .cse14)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse21 (not (= 0 ~systemActive~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse13 (<= 1 ~pumpRunning~0)) (.cse10 (and .cse12 .cse22 .cse14)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse15 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse16 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse2 .cse8 .cse3 .cse9) (or .cse1 .cse7 .cse10 (and .cse11 .cse12 .cse13 .cse14) .cse3 .cse15 .cse16) (or .cse1 (and .cse17 .cse5 .cse13) .cse2 .cse4 .cse16 .cse18 .cse19) (or .cse1 .cse7 .cse2 .cse18 .cse16 .cse19) (or .cse0 .cse1 .cse7 .cse3 .cse15 .cse9) (or .cse0 .cse20 .cse21 .cse15 .cse4) (or .cse1 (and .cse11 .cse20 .cse13) .cse2 .cse3 .cse4 (and .cse22 .cse5) .cse9 .cse16) (or .cse0 .cse1 .cse7 .cse2 .cse8 .cse3 .cse6) (or .cse0 .cse1 .cse3 .cse15 .cse4 .cse9) (or .cse10 .cse21 .cse15 .cse4 .cse16) (or .cse7 (and .cse20 .cse22 .cse14) .cse21 .cse15 .cse16) (or .cse1 (and .cse12 .cse14 .cse13) .cse10 .cse3 .cse15 .cse4 .cse16)))) [2020-07-20 13:02:24,332 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 261 284) the Hoare annotation is: (let ((.cse13 (= 0 ~methAndRunningLastTime~0)) (.cse16 (= 0 ~pumpRunning~0)) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (<= ~waterLevel~0 2)) (.cse19 (<= 1 ~pumpRunning~0)) (.cse17 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse15 .cse19 .cse17)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse11 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse14 (not (<= 1 |old(~waterLevel~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse18 (and .cse10 .cse19 .cse17)) (.cse6 (and .cse13 .cse15 .cse16 .cse17)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse12 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse8 .cse3 .cse4) (or .cse9 .cse10 .cse11 .cse8 .cse3) (or .cse1 .cse12 .cse13 .cse2 .cse7 .cse4) (or .cse9 .cse1 .cse12 .cse10 .cse7 .cse8) (or .cse9 .cse13 .cse12 .cse11 .cse7 .cse8 .cse14) (or .cse0 .cse1 .cse12 .cse2 .cse4 .cse5) (or .cse1 .cse13 .cse2 .cse7 .cse3 .cse4) (or (and .cse15 .cse16 .cse17) .cse11 .cse8 .cse3 .cse4) (or .cse9 .cse1 .cse10 .cse7 .cse8 .cse3) (or .cse12 (and .cse10 .cse16 .cse17) .cse11 .cse8 .cse4) (or .cse9 .cse1 .cse2 .cse7 .cse3 .cse18) (or .cse9 .cse13 .cse11 .cse7 .cse8 .cse3 .cse14) (or .cse9 .cse1 .cse12 .cse2 .cse7 .cse18) (or .cse6 .cse1 .cse12 .cse7 .cse8 .cse4)))) [2020-07-20 13:02:24,333 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse14 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= 0 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (<= |old(~waterLevel~0)| 1))) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and (<= ~waterLevel~0 2) .cse13 .cse14)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse2 .cse7 .cse3 .cse4) (or .cse8 .cse9 .cse10 .cse4) (or .cse1 .cse7 .cse10 .cse3 .cse4) (or .cse11 .cse1 .cse8 .cse2 .cse7 (and .cse12 .cse13 .cse14)) (or .cse1 .cse8 .cse7 .cse10 .cse4) (or .cse1 .cse8 .cse6 .cse2 .cse7 .cse4) (or .cse9 .cse10 .cse3 .cse4) (or .cse11 (and .cse12 .cse14 .cse13) .cse1 .cse2 .cse7 .cse3) (or .cse0 .cse1 .cse8 .cse2 .cse4 .cse5)))) [2020-07-20 13:02:24,333 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 261 284) no Hoare annotation was computed. [2020-07-20 13:02:24,333 INFO L268 CegarLoopResult]: For program point L265(lines 264 283) no Hoare annotation was computed. [2020-07-20 13:02:24,333 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 261 284) no Hoare annotation was computed. [2020-07-20 13:02:24,333 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 835 864) no Hoare annotation was computed. [2020-07-20 13:02:24,333 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 835 864) the Hoare annotation is: true [2020-07-20 13:02:24,333 INFO L271 CegarLoopResult]: At program point L860(lines 835 864) the Hoare annotation is: true [2020-07-20 13:02:24,333 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-20 13:02:24,334 INFO L268 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-07-20 13:02:24,334 INFO L271 CegarLoopResult]: At program point L849-1(lines 849 853) the Hoare annotation is: true [2020-07-20 13:02:24,334 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-20 13:02:24,334 INFO L271 CegarLoopResult]: At program point L845-2(lines 845 859) the Hoare annotation is: true [2020-07-20 13:02:24,334 INFO L271 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: true [2020-07-20 13:02:24,334 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-20 13:02:24,334 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 90 101) the Hoare annotation is: (let ((.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (not (= 0 ~methAndRunningLastTime~0))) (.cse8 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse10)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (and (<= ~waterLevel~0 2) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse1 .cse3 .cse8) (or .cse6 .cse7 .cse0 .cse9 .cse3 .cse8) (or .cse0 .cse9 .cse2 .cse3 .cse4 .cse5)))) [2020-07-20 13:02:24,334 INFO L268 CegarLoopResult]: For program point L94-1(lines 90 101) no Hoare annotation was computed. [2020-07-20 13:02:24,335 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 90 101) no Hoare annotation was computed. [2020-07-20 13:02:24,335 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 889 895) no Hoare annotation was computed. [2020-07-20 13:02:24,335 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 889 895) the Hoare annotation is: true [2020-07-20 13:02:24,335 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:24,335 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:02:24,335 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:02:24,335 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:24,336 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 450 457) no Hoare annotation was computed. [2020-07-20 13:02:24,336 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 450 457) the Hoare annotation is: true [2020-07-20 13:02:24,336 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 450 457) no Hoare annotation was computed. [2020-07-20 13:02:24,336 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 293 317) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse8 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse6 .cse4 .cse7 .cse8) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse6 .cse4 .cse7 .cse8))) [2020-07-20 13:02:24,336 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 293 317) no Hoare annotation was computed. [2020-07-20 13:02:24,336 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse7 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse4 .cse6 .cse7) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse5 .cse4 .cse6 .cse7))) [2020-07-20 13:02:24,336 INFO L268 CegarLoopResult]: For program point L312-1(lines 293 317) no Hoare annotation was computed. [2020-07-20 13:02:24,337 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (let ((.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse1 .cse0 .cse2 .cse3 .cse4 .cse5) (or (not (<= 1 ~waterLevel~0)) .cse2 .cse6 .cse5 .cse7) (or .cse0 .cse2 .cse6 .cse5 .cse7))) [2020-07-20 13:02:24,337 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (let ((.cse2 (and (< 1 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse6 .cse5 .cse7) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse6 .cse5 .cse7))) [2020-07-20 13:02:24,337 INFO L268 CegarLoopResult]: For program point L301(lines 301 309) no Hoare annotation was computed. [2020-07-20 13:02:24,337 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse6 .cse4 .cse7) (or .cse0 .cse1 .cse6 .cse4 .cse7))) [2020-07-20 13:02:24,337 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-07-20 13:02:24,337 INFO L268 CegarLoopResult]: For program point L297(lines 297 314) no Hoare annotation was computed. [2020-07-20 13:02:24,338 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 102 113) no Hoare annotation was computed. [2020-07-20 13:02:24,338 INFO L268 CegarLoopResult]: For program point L106-1(lines 102 113) no Hoare annotation was computed. [2020-07-20 13:02:24,338 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 102 113) the Hoare annotation is: (let ((.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (not (<= 1 ~pumpRunning~0))) (.cse10 (not (= 0 ~systemActive~0))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (and (<= ~waterLevel~0 2) .cse11))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse7 .cse8 .cse9) (or .cse0 .cse10 .cse8 .cse3 .cse4 (and .cse7 .cse11)) (or .cse1 .cse2 .cse3 .cse9 (not (<= 2 |old(~waterLevel~0)|)) .cse5) (or .cse0 .cse2 .cse10 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse8 .cse3 .cse9 .cse5) (or .cse6 .cse0 .cse2 .cse7 .cse10 .cse4) (or .cse6 .cse0 .cse1 .cse7 .cse8 .cse4) (or .cse6 .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse0 .cse1 .cse8 .cse3 .cse4 .cse5)))) [2020-07-20 13:02:24,338 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 825 832) no Hoare annotation was computed. [2020-07-20 13:02:24,338 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2020-07-20 13:02:24,338 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 825 832) the Hoare annotation is: true [2020-07-20 13:02:24,338 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 825 832) no Hoare annotation was computed. [2020-07-20 13:02:24,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:02:24 BoogieIcfgContainer [2020-07-20 13:02:24,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:02:24,385 INFO L168 Benchmark]: Toolchain (without parser) took 37025.97 ms. Allocated memory was 146.8 MB in the beginning and 649.6 MB in the end (delta: 502.8 MB). Free memory was 102.4 MB in the beginning and 504.1 MB in the end (delta: -401.7 MB). Peak memory consumption was 520.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:24,386 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 146.8 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:02:24,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.94 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 102.0 MB in the beginning and 174.1 MB in the end (delta: -72.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:24,392 INFO L168 Benchmark]: Boogie Preprocessor took 107.14 ms. Allocated memory is still 205.5 MB. Free memory was 174.1 MB in the beginning and 169.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:24,393 INFO L168 Benchmark]: RCFGBuilder took 1201.84 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 169.5 MB in the beginning and 193.4 MB in the end (delta: -23.9 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:24,394 INFO L168 Benchmark]: TraceAbstraction took 35012.68 ms. Allocated memory was 234.9 MB in the beginning and 649.6 MB in the end (delta: 414.7 MB). Free memory was 193.4 MB in the beginning and 504.1 MB in the end (delta: -310.8 MB). Peak memory consumption was 522.9 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:24,398 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 146.8 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.94 ms. Allocated memory was 146.8 MB in the beginning and 205.5 MB in the end (delta: 58.7 MB). Free memory was 102.0 MB in the beginning and 174.1 MB in the end (delta: -72.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.14 ms. Allocated memory is still 205.5 MB. Free memory was 174.1 MB in the beginning and 169.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1201.84 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 169.5 MB in the beginning and 193.4 MB in the end (delta: -23.9 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35012.68 ms. Allocated memory was 234.9 MB in the beginning and 649.6 MB in the end (delta: 414.7 MB). Free memory was 193.4 MB in the beginning and 504.1 MB in the end (delta: -310.8 MB). Peak memory consumption was 522.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 829]: 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: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((((((((!(\old(waterLevel) <= 1) || (((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || (((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || (((((1 < waterLevel && 1 <= methaneLevelCritical) && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.1s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2581 SDtfs, 1742 SDslu, 3872 SDs, 0 SdLazy, 1706 SolverSat, 887 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1495 GetRequests, 1421 SyntacticMatches, 17 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3727occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 1907 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 8355 PreInvPairs, 8603 NumberOfFragments, 5479 HoareAnnotationTreeSize, 8355 FomulaSimplifications, 24638 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 31851 FormulaSimplificationTreeSizeReductionInter, 14.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1334 NumberOfCodeBlocks, 1217 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1475 ConstructedInterpolants, 0 QuantifiedInterpolants, 310255 SizeOfPredicates, 36 NumberOfNonLiveVariables, 10810 ConjunctsInSsa, 133 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 223/234 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...