/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_VARIABLES --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_spec5_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:26:36,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:26:36,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:26:36,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:26:36,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:26:36,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:26:36,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:26:36,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:26:36,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:26:36,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:26:36,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:26:36,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:26:36,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:26:36,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:26:36,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:26:36,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:26:36,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:26:36,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:26:36,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:26:36,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:26:36,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:26:36,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:26:36,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:26:36,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:26:37,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:26:37,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:26:37,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:26:37,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:26:37,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:26:37,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:26:37,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:26:37,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:26:37,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:26:37,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:26:37,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:26:37,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:26:37,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:26:37,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:26:37,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:26:37,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:26:37,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:26:37,009 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 16:26:37,024 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:26:37,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:26:37,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:26:37,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:26:37,026 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:26:37,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:26:37,026 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:26:37,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:26:37,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:26:37,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:26:37,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:26:37,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:26:37,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:26:37,031 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:26:37,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:26:37,031 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:26:37,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:26:37,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:26:37,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:26:37,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:26:37,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:26:37,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:26:37,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:26:37,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:26:37,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:26:37,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:26:37,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:37,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:26:37,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:26:37,033 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_VARIABLES 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 16:26:37,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:26:37,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:26:37,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:26:37,362 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:26:37,362 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:26:37,363 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-07-20 16:26:37,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e3bdf5c7/02c8ba6c95854ac1b2fcbae3eaf0c4e6/FLAGe448ae396 [2020-07-20 16:26:38,047 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:26:38,048 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-07-20 16:26:38,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e3bdf5c7/02c8ba6c95854ac1b2fcbae3eaf0c4e6/FLAGe448ae396 [2020-07-20 16:26:38,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e3bdf5c7/02c8ba6c95854ac1b2fcbae3eaf0c4e6 [2020-07-20 16:26:38,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:26:38,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:26:38,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:38,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:26:38,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:26:38,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:38" (1/1) ... [2020-07-20 16:26:38,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d7251a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38, skipping insertion in model container [2020-07-20 16:26:38,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:38" (1/1) ... [2020-07-20 16:26:38,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:26:38,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:26:38,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:38,700 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:26:38,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:38,949 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:26:38,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38 WrapperNode [2020-07-20 16:26:38,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:38,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:26:38,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:26:38,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:26:38,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (1/1) ... [2020-07-20 16:26:38,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (1/1) ... [2020-07-20 16:26:38,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (1/1) ... [2020-07-20 16:26:38,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (1/1) ... [2020-07-20 16:26:39,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (1/1) ... [2020-07-20 16:26:39,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (1/1) ... [2020-07-20 16:26:39,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (1/1) ... [2020-07-20 16:26:39,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:26:39,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:26:39,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:26:39,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:26:39,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (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 16:26:39,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:26:39,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:26:39,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:39,119 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:26:39,119 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:26:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:26:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:26:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:26:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:26:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:26:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:26:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:26:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:26:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:26:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:26:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:26:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:26:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:26:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:26:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:26:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:26:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:26:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:26:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:26:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:26:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:26:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:26:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:26:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:26:39,128 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:26:39,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:26:39,128 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:26:39,128 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:26:39,128 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:26:39,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:26:39,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:26:39,129 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:26:39,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:26:39,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:26:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:26:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:26:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:26:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:26:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:26:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:26:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:26:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:26:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:26:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:26:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:26:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:26:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:26:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:26:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:26:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:26:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:26:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:26:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:26:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:26:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:26:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:26:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:26:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:26:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:26:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:26:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:26:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:26:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:26:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:26:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:26:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:26:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:26:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:26:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:26:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:26:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:26:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:26:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:26:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:26:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:26:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:26:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:26:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:26:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:26:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:26:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:26:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:26:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:26:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:26:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:26:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:26:40,322 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:26:40,323 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:26:40,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:40 BoogieIcfgContainer [2020-07-20 16:26:40,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:26:40,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:26:40,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:26:40,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:26:40,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:26:38" (1/3) ... [2020-07-20 16:26:40,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1bcea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:40, skipping insertion in model container [2020-07-20 16:26:40,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (2/3) ... [2020-07-20 16:26:40,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1bcea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:40, skipping insertion in model container [2020-07-20 16:26:40,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:40" (3/3) ... [2020-07-20 16:26:40,337 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2020-07-20 16:26:40,348 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:26:40,357 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:26:40,372 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:26:40,400 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:26:40,400 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:26:40,400 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:26:40,400 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:26:40,401 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:26:40,401 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:26:40,401 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:26:40,401 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:26:40,426 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-07-20 16:26:40,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 16:26:40,436 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:40,438 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:26:40,438 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:40,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:40,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1771327782, now seen corresponding path program 1 times [2020-07-20 16:26:40,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:40,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981587701] [2020-07-20 16:26:40,455 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 16:26:40,893 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:40,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:40,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:26:40,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:40,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:40,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:40,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981587701] [2020-07-20 16:26:40,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:40,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:26:40,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464212837] [2020-07-20 16:26:40,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:26:40,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:40,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:26:40,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:40,973 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 2 states. [2020-07-20 16:26:41,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:41,074 INFO L93 Difference]: Finished difference Result 322 states and 393 transitions. [2020-07-20 16:26:41,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:26:41,078 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 16:26:41,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:41,100 INFO L225 Difference]: With dead ends: 322 [2020-07-20 16:26:41,101 INFO L226 Difference]: Without dead ends: 163 [2020-07-20 16:26:41,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 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 16:26:41,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-07-20 16:26:41,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-07-20 16:26:41,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-20 16:26:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 190 transitions. [2020-07-20 16:26:41,202 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 190 transitions. Word has length 59 [2020-07-20 16:26:41,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:41,202 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 190 transitions. [2020-07-20 16:26:41,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:26:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 190 transitions. [2020-07-20 16:26:41,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 16:26:41,207 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:41,207 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:26:41,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:41,409 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:41,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:41,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1467126020, now seen corresponding path program 1 times [2020-07-20 16:26:41,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:41,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836063227] [2020-07-20 16:26:41,411 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 16:26:41,797 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:41,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:41,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:26:41,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:41,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:41,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:41,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836063227] [2020-07-20 16:26:41,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:41,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:41,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552486640] [2020-07-20 16:26:41,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:41,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:41,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:41,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:41,847 INFO L87 Difference]: Start difference. First operand 163 states and 190 transitions. Second operand 3 states. [2020-07-20 16:26:41,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:41,868 INFO L93 Difference]: Finished difference Result 261 states and 303 transitions. [2020-07-20 16:26:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:41,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 16:26:41,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:41,872 INFO L225 Difference]: With dead ends: 261 [2020-07-20 16:26:41,872 INFO L226 Difference]: Without dead ends: 154 [2020-07-20 16:26:41,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 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 16:26:41,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-20 16:26:41,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2020-07-20 16:26:41,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-20 16:26:41,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2020-07-20 16:26:41,892 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 60 [2020-07-20 16:26:41,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:41,892 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2020-07-20 16:26:41,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2020-07-20 16:26:41,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 16:26:41,895 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:41,895 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:26:42,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:42,108 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:42,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:42,109 INFO L82 PathProgramCache]: Analyzing trace with hash 2049486337, now seen corresponding path program 1 times [2020-07-20 16:26:42,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:42,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922917693] [2020-07-20 16:26:42,111 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 16:26:42,495 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:42,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:42,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:42,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:42,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:42,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:42,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922917693] [2020-07-20 16:26:42,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:42,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:42,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476128833] [2020-07-20 16:26:42,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:42,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:42,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:42,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:42,534 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand 3 states. [2020-07-20 16:26:42,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:42,563 INFO L93 Difference]: Finished difference Result 402 states and 477 transitions. [2020-07-20 16:26:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:42,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 16:26:42,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:42,567 INFO L225 Difference]: With dead ends: 402 [2020-07-20 16:26:42,568 INFO L226 Difference]: Without dead ends: 276 [2020-07-20 16:26:42,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 16:26:42,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-07-20 16:26:42,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 270. [2020-07-20 16:26:42,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-07-20 16:26:42,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 319 transitions. [2020-07-20 16:26:42,604 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 319 transitions. Word has length 65 [2020-07-20 16:26:42,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:42,605 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 319 transitions. [2020-07-20 16:26:42,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:42,605 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 319 transitions. [2020-07-20 16:26:42,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 16:26:42,608 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:42,608 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:26:42,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:42,824 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:42,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:42,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1476281748, now seen corresponding path program 1 times [2020-07-20 16:26:42,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:42,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779957493] [2020-07-20 16:26:42,827 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 16:26:43,183 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:43,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:43,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:43,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:43,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:43,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:43,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [779957493] [2020-07-20 16:26:43,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:43,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:43,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061867069] [2020-07-20 16:26:43,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:43,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:43,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:43,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:43,249 INFO L87 Difference]: Start difference. First operand 270 states and 319 transitions. Second operand 6 states. [2020-07-20 16:26:43,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:43,518 INFO L93 Difference]: Finished difference Result 640 states and 789 transitions. [2020-07-20 16:26:43,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:26:43,519 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 16:26:43,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:43,523 INFO L225 Difference]: With dead ends: 640 [2020-07-20 16:26:43,523 INFO L226 Difference]: Without dead ends: 398 [2020-07-20 16:26:43,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 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 16:26:43,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-07-20 16:26:43,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 388. [2020-07-20 16:26:43,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-07-20 16:26:43,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 463 transitions. [2020-07-20 16:26:43,562 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 463 transitions. Word has length 70 [2020-07-20 16:26:43,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:43,563 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 463 transitions. [2020-07-20 16:26:43,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 463 transitions. [2020-07-20 16:26:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 16:26:43,567 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:43,568 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:43,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:43,781 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:43,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:43,781 INFO L82 PathProgramCache]: Analyzing trace with hash 340334758, now seen corresponding path program 1 times [2020-07-20 16:26:43,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:43,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469319170] [2020-07-20 16:26:43,783 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 16:26:44,218 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:44,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:44,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:44,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:44,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:44,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:44,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469319170] [2020-07-20 16:26:44,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:44,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:44,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796601449] [2020-07-20 16:26:44,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:44,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:44,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:44,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:44,266 INFO L87 Difference]: Start difference. First operand 388 states and 463 transitions. Second operand 6 states. [2020-07-20 16:26:44,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:44,320 INFO L93 Difference]: Finished difference Result 762 states and 940 transitions. [2020-07-20 16:26:44,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:26:44,321 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2020-07-20 16:26:44,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:44,324 INFO L225 Difference]: With dead ends: 762 [2020-07-20 16:26:44,325 INFO L226 Difference]: Without dead ends: 402 [2020-07-20 16:26:44,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 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 16:26:44,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-07-20 16:26:44,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 398. [2020-07-20 16:26:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-07-20 16:26:44,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 473 transitions. [2020-07-20 16:26:44,354 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 473 transitions. Word has length 108 [2020-07-20 16:26:44,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:44,355 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 473 transitions. [2020-07-20 16:26:44,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:44,355 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 473 transitions. [2020-07-20 16:26:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 16:26:44,357 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:44,357 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:44,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:44,572 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:44,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:44,573 INFO L82 PathProgramCache]: Analyzing trace with hash -2026359836, now seen corresponding path program 1 times [2020-07-20 16:26:44,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:44,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1622931796] [2020-07-20 16:26:44,574 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 16:26:44,714 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:44,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:44,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:26:44,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:44,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:44,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:44,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1622931796] [2020-07-20 16:26:44,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:44,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:44,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375719599] [2020-07-20 16:26:44,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:44,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:44,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:44,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:44,753 INFO L87 Difference]: Start difference. First operand 398 states and 473 transitions. Second operand 5 states. [2020-07-20 16:26:44,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:44,784 INFO L93 Difference]: Finished difference Result 782 states and 960 transitions. [2020-07-20 16:26:44,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:44,785 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-07-20 16:26:44,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:44,788 INFO L225 Difference]: With dead ends: 782 [2020-07-20 16:26:44,788 INFO L226 Difference]: Without dead ends: 412 [2020-07-20 16:26:44,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 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 16:26:44,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-07-20 16:26:44,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 406. [2020-07-20 16:26:44,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-07-20 16:26:44,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 481 transitions. [2020-07-20 16:26:44,811 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 481 transitions. Word has length 108 [2020-07-20 16:26:44,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:44,812 INFO L479 AbstractCegarLoop]: Abstraction has 406 states and 481 transitions. [2020-07-20 16:26:44,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:44,812 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 481 transitions. [2020-07-20 16:26:44,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 16:26:44,814 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:44,814 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:45,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:45,029 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:45,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:45,030 INFO L82 PathProgramCache]: Analyzing trace with hash 2028067331, now seen corresponding path program 1 times [2020-07-20 16:26:45,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:45,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [811538376] [2020-07-20 16:26:45,031 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 16:26:45,424 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:45,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:45,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:26:45,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:45,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:45,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:45,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [811538376] [2020-07-20 16:26:45,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:45,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:45,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007658425] [2020-07-20 16:26:45,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:45,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:45,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:45,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:45,505 INFO L87 Difference]: Start difference. First operand 406 states and 481 transitions. Second operand 3 states. [2020-07-20 16:26:45,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:45,561 INFO L93 Difference]: Finished difference Result 1086 states and 1361 transitions. [2020-07-20 16:26:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:45,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-07-20 16:26:45,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:45,569 INFO L225 Difference]: With dead ends: 1086 [2020-07-20 16:26:45,569 INFO L226 Difference]: Without dead ends: 708 [2020-07-20 16:26:45,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 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 16:26:45,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2020-07-20 16:26:45,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 705. [2020-07-20 16:26:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2020-07-20 16:26:45,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 862 transitions. [2020-07-20 16:26:45,616 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 862 transitions. Word has length 108 [2020-07-20 16:26:45,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:45,616 INFO L479 AbstractCegarLoop]: Abstraction has 705 states and 862 transitions. [2020-07-20 16:26:45,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:45,617 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 862 transitions. [2020-07-20 16:26:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 16:26:45,619 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:45,619 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:45,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:45,834 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:45,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:45,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1144962269, now seen corresponding path program 1 times [2020-07-20 16:26:45,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:45,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [446293479] [2020-07-20 16:26:45,835 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 16:26:46,276 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:46,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:46,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 16:26:46,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:46,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:46,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [446293479] [2020-07-20 16:26:46,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:46,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 16:26:46,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038513905] [2020-07-20 16:26:46,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:46,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:46,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:46,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:46,424 INFO L87 Difference]: Start difference. First operand 705 states and 862 transitions. Second operand 10 states. [2020-07-20 16:26:48,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:48,267 INFO L93 Difference]: Finished difference Result 2074 states and 2867 transitions. [2020-07-20 16:26:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 16:26:48,267 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-07-20 16:26:48,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:48,278 INFO L225 Difference]: With dead ends: 2074 [2020-07-20 16:26:48,279 INFO L226 Difference]: Without dead ends: 1397 [2020-07-20 16:26:48,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 16:26:48,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2020-07-20 16:26:48,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 1028. [2020-07-20 16:26:48,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1028 states. [2020-07-20 16:26:48,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1263 transitions. [2020-07-20 16:26:48,401 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1263 transitions. Word has length 112 [2020-07-20 16:26:48,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:48,405 INFO L479 AbstractCegarLoop]: Abstraction has 1028 states and 1263 transitions. [2020-07-20 16:26:48,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:48,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1263 transitions. [2020-07-20 16:26:48,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-20 16:26:48,414 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:48,414 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:26:48,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:48,628 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:48,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:48,629 INFO L82 PathProgramCache]: Analyzing trace with hash 215857978, now seen corresponding path program 1 times [2020-07-20 16:26:48,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:48,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300661787] [2020-07-20 16:26:48,630 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 16:26:49,073 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:49,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:49,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:26:49,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:49,111 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 16:26:49,111 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:49,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300661787] [2020-07-20 16:26:49,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:49,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:49,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335336799] [2020-07-20 16:26:49,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:49,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:49,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:49,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:49,114 INFO L87 Difference]: Start difference. First operand 1028 states and 1263 transitions. Second operand 3 states. [2020-07-20 16:26:49,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:49,222 INFO L93 Difference]: Finished difference Result 1733 states and 2128 transitions. [2020-07-20 16:26:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:49,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-20 16:26:49,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:49,227 INFO L225 Difference]: With dead ends: 1733 [2020-07-20 16:26:49,227 INFO L226 Difference]: Without dead ends: 733 [2020-07-20 16:26:49,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 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 16:26:49,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2020-07-20 16:26:49,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 713. [2020-07-20 16:26:49,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2020-07-20 16:26:49,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 854 transitions. [2020-07-20 16:26:49,271 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 854 transitions. Word has length 153 [2020-07-20 16:26:49,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:49,271 INFO L479 AbstractCegarLoop]: Abstraction has 713 states and 854 transitions. [2020-07-20 16:26:49,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:49,272 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 854 transitions. [2020-07-20 16:26:49,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-20 16:26:49,275 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:49,275 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:49,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:49,491 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:49,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:49,491 INFO L82 PathProgramCache]: Analyzing trace with hash 164237146, now seen corresponding path program 1 times [2020-07-20 16:26:49,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:49,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393386192] [2020-07-20 16:26:49,492 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 16:26:49,870 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:49,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:49,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:49,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:49,973 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:49,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:26:50,394 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 16:26:50,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393386192] [2020-07-20 16:26:50,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:26:50,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 16:26:50,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977842780] [2020-07-20 16:26:50,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:50,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:50,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:50,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:50,397 INFO L87 Difference]: Start difference. First operand 713 states and 854 transitions. Second operand 10 states. [2020-07-20 16:26:51,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:51,320 INFO L93 Difference]: Finished difference Result 1573 states and 1901 transitions. [2020-07-20 16:26:51,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 16:26:51,324 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 174 [2020-07-20 16:26:51,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:51,325 INFO L225 Difference]: With dead ends: 1573 [2020-07-20 16:26:51,325 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:26:51,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 335 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 16:26:51,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:26:51,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:26:51,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:26:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:26:51,331 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2020-07-20 16:26:51,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:51,331 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:26:51,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:51,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:26:51,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:26:51,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:51,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:26:51,887 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2020-07-20 16:26:52,996 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-07-20 16:26:53,220 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2020-07-20 16:26:53,411 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-20 16:26:53,912 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2020-07-20 16:26:54,039 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 16:26:54,202 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 16:26:54,790 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-20 16:26:55,072 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-20 16:26:55,234 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2020-07-20 16:26:55,564 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-20 16:26:55,696 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-07-20 16:26:56,085 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-07-20 16:26:56,353 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 16:26:56,665 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-20 16:26:56,847 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-07-20 16:26:57,135 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2020-07-20 16:26:57,429 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2020-07-20 16:26:57,498 INFO L268 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-07-20 16:26:57,498 INFO L268 CegarLoopResult]: For program point L501-1(lines 501 505) no Hoare annotation was computed. [2020-07-20 16:26:57,499 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 470 525) no Hoare annotation was computed. [2020-07-20 16:26:57,499 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 16:26:57,499 INFO L268 CegarLoopResult]: For program point L495-2(lines 495 516) no Hoare annotation was computed. [2020-07-20 16:26:57,499 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 470 525) no Hoare annotation was computed. [2020-07-20 16:26:57,499 INFO L268 CegarLoopResult]: For program point L517(lines 494 518) no Hoare annotation was computed. [2020-07-20 16:26:57,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 470 525) no Hoare annotation was computed. [2020-07-20 16:26:57,500 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 16:26:57,500 INFO L268 CegarLoopResult]: For program point L571-1(line 571) no Hoare annotation was computed. [2020-07-20 16:26:57,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 526 585) no Hoare annotation was computed. [2020-07-20 16:26:57,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 526 585) no Hoare annotation was computed. [2020-07-20 16:26:57,500 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-07-20 16:26:57,500 INFO L268 CegarLoopResult]: For program point L558-1(lines 558 562) no Hoare annotation was computed. [2020-07-20 16:26:57,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 526 585) no Hoare annotation was computed. [2020-07-20 16:26:57,500 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 16:26:57,500 INFO L268 CegarLoopResult]: For program point L552-2(lines 552 577) no Hoare annotation was computed. [2020-07-20 16:26:57,500 INFO L268 CegarLoopResult]: For program point L578(lines 551 579) no Hoare annotation was computed. [2020-07-20 16:26:57,501 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2020-07-20 16:26:57,501 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2020-07-20 16:26:57,501 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2020-07-20 16:26:57,501 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2020-07-20 16:26:57,501 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2020-07-20 16:26:57,501 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 370 377) the Hoare annotation is: true [2020-07-20 16:26:57,501 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 370 377) no Hoare annotation was computed. [2020-07-20 16:26:57,502 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 370 377) no Hoare annotation was computed. [2020-07-20 16:26:57,502 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 378 387) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-20 16:26:57,502 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-20 16:26:57,502 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 378 387) no Hoare annotation was computed. [2020-07-20 16:26:57,502 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 378 387) no Hoare annotation was computed. [2020-07-20 16:26:57,502 INFO L264 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 16:26:57,503 INFO L268 CegarLoopResult]: For program point L401(lines 401 407) no Hoare annotation was computed. [2020-07-20 16:26:57,503 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 388 416) the Hoare annotation is: true [2020-07-20 16:26:57,503 INFO L268 CegarLoopResult]: For program point L400(lines 400 410) no Hoare annotation was computed. [2020-07-20 16:26:57,503 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 16:26:57,503 INFO L268 CegarLoopResult]: For program point L398-1(line 398) no Hoare annotation was computed. [2020-07-20 16:26:57,503 INFO L268 CegarLoopResult]: For program point L396(lines 396 413) no Hoare annotation was computed. [2020-07-20 16:26:57,503 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 388 416) no Hoare annotation was computed. [2020-07-20 16:26:57,503 INFO L268 CegarLoopResult]: For program point L396-1(lines 388 416) no Hoare annotation was computed. [2020-07-20 16:26:57,503 INFO L271 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: true [2020-07-20 16:26:57,503 INFO L268 CegarLoopResult]: For program point L394-1(line 394) no Hoare annotation was computed. [2020-07-20 16:26:57,504 INFO L264 CegarLoopResult]: At program point L866-1(line 866) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:57,504 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 860 882) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:57,504 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 860 882) no Hoare annotation was computed. [2020-07-20 16:26:57,504 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 860 882) no Hoare annotation was computed. [2020-07-20 16:26:57,504 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:57,504 INFO L264 CegarLoopResult]: At program point L872-1(line 872) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:57,504 INFO L268 CegarLoopResult]: For program point L870(lines 870 877) no Hoare annotation was computed. [2020-07-20 16:26:57,504 INFO L268 CegarLoopResult]: For program point L870-1(lines 870 877) no Hoare annotation was computed. [2020-07-20 16:26:57,505 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-20 16:26:57,505 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:57,505 INFO L264 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:57,505 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-07-20 16:26:57,505 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-20 16:26:57,505 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 815 838) no Hoare annotation was computed. [2020-07-20 16:26:57,505 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-07-20 16:26:57,506 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-20 16:26:57,506 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-20 16:26:57,506 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 815 838) no Hoare annotation was computed. [2020-07-20 16:26:57,506 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-20 16:26:57,506 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 815 838) no Hoare annotation was computed. [2020-07-20 16:26:57,506 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-20 16:26:57,506 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-07-20 16:26:57,506 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-07-20 16:26:57,506 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-20 16:26:57,507 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-20 16:26:57,507 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-20 16:26:57,507 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-07-20 16:26:57,507 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-20 16:26:57,507 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 271 285) no Hoare annotation was computed. [2020-07-20 16:26:57,507 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 271 285) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 16:26:57,508 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 16:26:57,508 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 271 285) no Hoare annotation was computed. [2020-07-20 16:26:57,508 INFO L268 CegarLoopResult]: For program point L275(lines 275 281) no Hoare annotation was computed. [2020-07-20 16:26:57,508 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2020-07-20 16:26:57,508 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2020-07-20 16:26:57,508 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2020-07-20 16:26:57,508 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 252 270) the Hoare annotation is: true [2020-07-20 16:26:57,508 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 252 270) no Hoare annotation was computed. [2020-07-20 16:26:57,509 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 16:26:57,509 INFO L271 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: true [2020-07-20 16:26:57,509 INFO L268 CegarLoopResult]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2020-07-20 16:26:57,509 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-07-20 16:26:57,509 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 252 270) no Hoare annotation was computed. [2020-07-20 16:26:57,509 INFO L268 CegarLoopResult]: For program point L216(lines 216 224) no Hoare annotation was computed. [2020-07-20 16:26:57,509 INFO L268 CegarLoopResult]: For program point L216-2(lines 216 224) no Hoare annotation was computed. [2020-07-20 16:26:57,509 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 197 232) no Hoare annotation was computed. [2020-07-20 16:26:57,510 INFO L268 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-07-20 16:26:57,510 INFO L268 CegarLoopResult]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-07-20 16:26:57,510 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 197 232) no Hoare annotation was computed. [2020-07-20 16:26:57,510 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-07-20 16:26:57,510 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 197 232) no Hoare annotation was computed. [2020-07-20 16:26:57,510 INFO L268 CegarLoopResult]: For program point L227-1(line 227) no Hoare annotation was computed. [2020-07-20 16:26:57,510 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2020-07-20 16:26:57,510 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2020-07-20 16:26:57,511 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 424 469) no Hoare annotation was computed. [2020-07-20 16:26:57,511 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 424 469) no Hoare annotation was computed. [2020-07-20 16:26:57,511 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 424 469) no Hoare annotation was computed. [2020-07-20 16:26:57,511 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 737 782) no Hoare annotation was computed. [2020-07-20 16:26:57,511 INFO L268 CegarLoopResult]: For program point L757(lines 757 764) no Hoare annotation was computed. [2020-07-20 16:26:57,511 INFO L268 CegarLoopResult]: For program point L751(lines 751 771) no Hoare annotation was computed. [2020-07-20 16:26:57,511 INFO L268 CegarLoopResult]: For program point L751-1(lines 751 771) no Hoare annotation was computed. [2020-07-20 16:26:57,511 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 737 782) no Hoare annotation was computed. [2020-07-20 16:26:57,511 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 737 782) no Hoare annotation was computed. [2020-07-20 16:26:57,512 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 846 856) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:57,512 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 846 856) no Hoare annotation was computed. [2020-07-20 16:26:57,512 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 846 856) no Hoare annotation was computed. [2020-07-20 16:26:57,512 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:57,512 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 177 187) the Hoare annotation is: true [2020-07-20 16:26:57,512 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 177 187) no Hoare annotation was computed. [2020-07-20 16:26:57,512 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 177 187) no Hoare annotation was computed. [2020-07-20 16:26:57,513 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-07-20 16:26:57,513 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-20 16:26:57,513 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 169 176) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 16:26:57,513 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 169 176) no Hoare annotation was computed. [2020-07-20 16:26:57,513 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 169 176) no Hoare annotation was computed. [2020-07-20 16:26:57,513 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 1007 1020) no Hoare annotation was computed. [2020-07-20 16:26:57,513 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2020-07-20 16:26:57,513 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 1007 1020) the Hoare annotation is: true [2020-07-20 16:26:57,514 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 1007 1020) no Hoare annotation was computed. [2020-07-20 16:26:57,514 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:57,514 INFO L268 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2020-07-20 16:26:57,514 INFO L264 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:57,514 INFO L268 CegarLoopResult]: For program point L124-1(line 124) no Hoare annotation was computed. [2020-07-20 16:26:57,514 INFO L268 CegarLoopResult]: For program point L122(lines 122 139) no Hoare annotation was computed. [2020-07-20 16:26:57,514 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 118 142) no Hoare annotation was computed. [2020-07-20 16:26:57,515 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 118 142) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:57,515 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:57,515 INFO L268 CegarLoopResult]: For program point L137-1(lines 118 142) no Hoare annotation was computed. [2020-07-20 16:26:57,515 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:57,515 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 84 90) no Hoare annotation was computed. [2020-07-20 16:26:57,515 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 84 90) the Hoare annotation is: true [2020-07-20 16:26:57,516 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:57,516 INFO L264 CegarLoopResult]: At program point testENTRY(lines 298 365) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:57,516 INFO L268 CegarLoopResult]: For program point L318(lines 318 324) no Hoare annotation was computed. [2020-07-20 16:26:57,516 INFO L268 CegarLoopResult]: For program point L318-1(lines 318 324) no Hoare annotation was computed. [2020-07-20 16:26:57,516 INFO L268 CegarLoopResult]: For program point testFINAL(lines 298 365) no Hoare annotation was computed. [2020-07-20 16:26:57,516 INFO L268 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-07-20 16:26:57,516 INFO L264 CegarLoopResult]: At program point L358(lines 307 359) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:57,517 INFO L264 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:26:57,517 INFO L268 CegarLoopResult]: For program point L346(lines 346 352) no Hoare annotation was computed. [2020-07-20 16:26:57,517 INFO L264 CegarLoopResult]: At program point L346-1(lines 338 353) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:57,517 INFO L268 CegarLoopResult]: For program point L309(lines 308 357) no Hoare annotation was computed. [2020-07-20 16:26:57,517 INFO L264 CegarLoopResult]: At program point L340(line 340) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:26:57,517 INFO L268 CegarLoopResult]: For program point L338(lines 338 353) no Hoare annotation was computed. [2020-07-20 16:26:57,518 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:57,518 INFO L268 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-07-20 16:26:57,518 INFO L268 CegarLoopResult]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2020-07-20 16:26:57,518 INFO L264 CegarLoopResult]: At program point L355(lines 308 357) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:57,518 INFO L268 CegarLoopResult]: For program point testEXIT(lines 298 365) no Hoare annotation was computed. [2020-07-20 16:26:57,518 INFO L268 CegarLoopResult]: For program point L705(lines 705 725) no Hoare annotation was computed. [2020-07-20 16:26:57,519 INFO L268 CegarLoopResult]: For program point L705-1(lines 705 725) no Hoare annotation was computed. [2020-07-20 16:26:57,519 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 691 736) no Hoare annotation was computed. [2020-07-20 16:26:57,519 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 691 736) no Hoare annotation was computed. [2020-07-20 16:26:57,519 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 691 736) no Hoare annotation was computed. [2020-07-20 16:26:57,519 INFO L268 CegarLoopResult]: For program point L711(lines 711 718) no Hoare annotation was computed. [2020-07-20 16:26:57,519 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 143 150) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:57,519 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 143 150) no Hoare annotation was computed. [2020-07-20 16:26:57,519 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 143 150) no Hoare annotation was computed. [2020-07-20 16:26:57,520 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 1021 1029) no Hoare annotation was computed. [2020-07-20 16:26:57,520 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 1021 1029) the Hoare annotation is: true [2020-07-20 16:26:57,520 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 1021 1029) no Hoare annotation was computed. [2020-07-20 16:26:57,520 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 975 997) no Hoare annotation was computed. [2020-07-20 16:26:57,520 INFO L268 CegarLoopResult]: For program point L983(lines 983 991) no Hoare annotation was computed. [2020-07-20 16:26:57,520 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 975 997) no Hoare annotation was computed. [2020-07-20 16:26:57,520 INFO L268 CegarLoopResult]: For program point L983-2(lines 983 991) no Hoare annotation was computed. [2020-07-20 16:26:57,520 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 975 997) no Hoare annotation was computed. [2020-07-20 16:26:57,521 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 588 690) no Hoare annotation was computed. [2020-07-20 16:26:57,521 INFO L268 CegarLoopResult]: For program point L638(lines 637 657) no Hoare annotation was computed. [2020-07-20 16:26:57,521 INFO L268 CegarLoopResult]: For program point L669(line 669) no Hoare annotation was computed. [2020-07-20 16:26:57,521 INFO L268 CegarLoopResult]: For program point L669-1(line 669) no Hoare annotation was computed. [2020-07-20 16:26:57,521 INFO L268 CegarLoopResult]: For program point L634(lines 634 675) no Hoare annotation was computed. [2020-07-20 16:26:57,521 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-07-20 16:26:57,521 INFO L268 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-07-20 16:26:57,521 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 588 690) no Hoare annotation was computed. [2020-07-20 16:26:57,521 INFO L268 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-07-20 16:26:57,522 INFO L268 CegarLoopResult]: For program point L676(lines 676 687) no Hoare annotation was computed. [2020-07-20 16:26:57,522 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-20 16:26:57,522 INFO L268 CegarLoopResult]: For program point L637-2(lines 637 657) no Hoare annotation was computed. [2020-07-20 16:26:57,522 INFO L268 CegarLoopResult]: For program point L658(lines 636 659) no Hoare annotation was computed. [2020-07-20 16:26:57,522 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 588 690) no Hoare annotation was computed. [2020-07-20 16:26:57,522 INFO L268 CegarLoopResult]: For program point L617(lines 617 633) no Hoare annotation was computed. [2020-07-20 16:26:57,522 INFO L268 CegarLoopResult]: For program point L677(lines 677 684) no Hoare annotation was computed. [2020-07-20 16:26:57,522 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2020-07-20 16:26:57,522 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 885 894) no Hoare annotation was computed. [2020-07-20 16:26:57,523 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2020-07-20 16:26:57,523 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:57,523 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-20 16:26:57,523 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:57,523 INFO L268 CegarLoopResult]: For program point L159(lines 159 165) no Hoare annotation was computed. [2020-07-20 16:26:57,523 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:57,523 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-20 16:26:57,524 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 152 168) no Hoare annotation was computed. [2020-07-20 16:26:57,524 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 152 168) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:57,524 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:57,524 INFO L268 CegarLoopResult]: For program point L163-1(lines 152 168) no Hoare annotation was computed. [2020-07-20 16:26:57,524 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2020-07-20 16:26:57,524 INFO L271 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: true [2020-07-20 16:26:57,524 INFO L268 CegarLoopResult]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2020-07-20 16:26:57,524 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-20 16:26:57,524 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2020-07-20 16:26:57,525 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2020-07-20 16:26:57,525 INFO L268 CegarLoopResult]: For program point L242(lines 242 246) no Hoare annotation was computed. [2020-07-20 16:26:57,525 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 998 1006) the Hoare annotation is: true [2020-07-20 16:26:57,525 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 998 1006) no Hoare annotation was computed. [2020-07-20 16:26:57,525 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 998 1006) no Hoare annotation was computed. [2020-07-20 16:26:57,525 INFO L268 CegarLoopResult]: For program point L958-1(lines 954 965) no Hoare annotation was computed. [2020-07-20 16:26:57,525 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 954 965) the Hoare annotation is: true [2020-07-20 16:26:57,525 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 954 965) no Hoare annotation was computed. [2020-07-20 16:26:57,525 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:57,526 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:26:57,526 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:57,526 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 966 974) the Hoare annotation is: true [2020-07-20 16:26:57,526 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 966 974) no Hoare annotation was computed. [2020-07-20 16:26:57,526 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 966 974) no Hoare annotation was computed. [2020-07-20 16:26:57,526 INFO L268 CegarLoopResult]: For program point L64(lines 60 82) no Hoare annotation was computed. [2020-07-20 16:26:57,526 INFO L268 CegarLoopResult]: For program point L62(lines 60 82) no Hoare annotation was computed. [2020-07-20 16:26:57,527 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 57 83) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse10 (and .cse7 .cse11)) (or .cse0 .cse4 .cse10 .cse2 .cse3) (or .cse9 .cse10 (and .cse4 .cse5 .cse11) .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse10) (or .cse0 .cse12 .cse10 .cse13 .cse2) (or .cse12 .cse9 .cse10 .cse13 .cse2) (or .cse0 .cse10 (and .cse5 .cse11) .cse2))) [2020-07-20 16:26:57,527 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 57 83) no Hoare annotation was computed. [2020-07-20 16:26:57,527 INFO L264 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-20 16:26:57,527 INFO L264 CegarLoopResult]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse12 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= 0 ~pumpRunning~0)) (.cse13 (<= ~waterLevel~0 1))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and .cse7 .cse10 (<= 1 ~switchedOnBeforeTS~0) .cse13)) (.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse13 .cse12)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (<= 2 ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse6 .cse0 .cse1 .cse2 .cse4) (or .cse6 .cse0 .cse9 (and .cse7 .cse10)) (or .cse11 .cse8 .cse9 .cse3 .cse5) (or .cse8 .cse9 (and (<= ~waterLevel~0 2) .cse10) .cse3) (or .cse0 (and .cse11 .cse7 .cse10) .cse9 (and .cse11 .cse7 .cse12) .cse3 .cse5)))) [2020-07-20 16:26:57,527 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 57 83) no Hoare annotation was computed. [2020-07-20 16:26:57,527 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:57,528 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 785 814) no Hoare annotation was computed. [2020-07-20 16:26:57,528 INFO L268 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2020-07-20 16:26:57,528 INFO L271 CegarLoopResult]: At program point L799-1(lines 799 803) the Hoare annotation is: true [2020-07-20 16:26:57,528 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 785 814) the Hoare annotation is: true [2020-07-20 16:26:57,528 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-20 16:26:57,528 INFO L271 CegarLoopResult]: At program point L795-2(lines 795 809) the Hoare annotation is: true [2020-07-20 16:26:57,528 INFO L271 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: true [2020-07-20 16:26:57,528 INFO L268 CegarLoopResult]: For program point L791-1(line 791) no Hoare annotation was computed. [2020-07-20 16:26:57,529 INFO L271 CegarLoopResult]: At program point L810(lines 785 814) the Hoare annotation is: true [2020-07-20 16:26:57,529 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-20 16:26:57,529 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 930 941) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:57,529 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 930 941) no Hoare annotation was computed. [2020-07-20 16:26:57,529 INFO L268 CegarLoopResult]: For program point L934-1(lines 930 941) no Hoare annotation was computed. [2020-07-20 16:26:57,529 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 839 845) no Hoare annotation was computed. [2020-07-20 16:26:57,529 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 839 845) the Hoare annotation is: true [2020-07-20 16:26:57,529 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:57,529 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:26:57,530 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:26:57,530 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:57,530 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 286 293) no Hoare annotation was computed. [2020-07-20 16:26:57,530 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 286 293) the Hoare annotation is: true [2020-07-20 16:26:57,530 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 286 293) no Hoare annotation was computed. [2020-07-20 16:26:57,530 INFO L268 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-07-20 16:26:57,530 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 92 116) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:57,530 INFO L268 CegarLoopResult]: For program point L96(lines 96 113) no Hoare annotation was computed. [2020-07-20 16:26:57,530 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 92 116) no Hoare annotation was computed. [2020-07-20 16:26:57,531 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:57,531 INFO L268 CegarLoopResult]: For program point L111-1(lines 92 116) no Hoare annotation was computed. [2020-07-20 16:26:57,531 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:57,531 INFO L264 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= 0 ~pumpRunning~0)) (or .cse0 .cse2 .cse1))) [2020-07-20 16:26:57,531 INFO L268 CegarLoopResult]: For program point L100(lines 100 108) no Hoare annotation was computed. [2020-07-20 16:26:57,531 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:57,531 INFO L268 CegarLoopResult]: For program point L946-1(lines 942 953) no Hoare annotation was computed. [2020-07-20 16:26:57,532 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 942 953) no Hoare annotation was computed. [2020-07-20 16:26:57,532 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 942 953) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse0 .cse2 .cse8 .cse4) (or .cse6 .cse5 .cse7 .cse3))) [2020-07-20 16:26:57,532 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 919 926) no Hoare annotation was computed. [2020-07-20 16:26:57,532 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 923) no Hoare annotation was computed. [2020-07-20 16:26:57,532 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 919 926) the Hoare annotation is: true [2020-07-20 16:26:57,532 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 919 926) no Hoare annotation was computed. [2020-07-20 16:26:57,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:26:57 BoogieIcfgContainer [2020-07-20 16:26:57,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:26:57,552 INFO L168 Benchmark]: Toolchain (without parser) took 19303.67 ms. Allocated memory was 137.4 MB in the beginning and 440.9 MB in the end (delta: 303.6 MB). Free memory was 100.9 MB in the beginning and 303.7 MB in the end (delta: -202.8 MB). Peak memory consumption was 286.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:57,553 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 16:26:57,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.39 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 100.5 MB in the beginning and 169.1 MB in the end (delta: -68.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:57,554 INFO L168 Benchmark]: Boogie Preprocessor took 89.31 ms. Allocated memory is still 200.3 MB. Free memory was 169.1 MB in the beginning and 164.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:57,555 INFO L168 Benchmark]: RCFGBuilder took 1288.59 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 164.8 MB in the beginning and 191.5 MB in the end (delta: -26.7 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:57,556 INFO L168 Benchmark]: TraceAbstraction took 17220.53 ms. Allocated memory was 231.2 MB in the beginning and 440.9 MB in the end (delta: 209.7 MB). Free memory was 190.0 MB in the beginning and 303.7 MB in the end (delta: -113.7 MB). Peak memory consumption was 282.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:57,560 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.39 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 100.5 MB in the beginning and 169.1 MB in the end (delta: -68.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.31 ms. Allocated memory is still 200.3 MB. Free memory was 169.1 MB in the beginning and 164.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1288.59 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 164.8 MB in the beginning and 191.5 MB in the end (delta: -26.7 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17220.53 ms. Allocated memory was 231.2 MB in the beginning and 440.9 MB in the end (delta: 209.7 MB). Free memory was 190.0 MB in the beginning and 303.7 MB in the end (delta: -113.7 MB). Peak memory consumption was 282.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 923]: 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: 307]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 262 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.1s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2177 SDtfs, 1217 SDslu, 3733 SDs, 0 SdLazy, 1944 SolverSat, 448 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1204 GetRequests, 1145 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1028occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 418 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1965 PreInvPairs, 2082 NumberOfFragments, 2226 HoareAnnotationTreeSize, 1965 FomulaSimplifications, 3358 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 72 FomulaSimplificationsInter, 9468 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1017 NumberOfCodeBlocks, 817 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1180 ConstructedInterpolants, 0 QuantifiedInterpolants, 263616 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7378 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 122/144 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...