/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:42:16,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:42:16,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:42:16,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:42:16,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:42:16,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:42:16,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:42:16,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:42:16,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:42:16,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:42:16,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:42:16,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:42:16,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:42:16,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:42:16,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:42:16,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:42:16,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:42:16,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:42:16,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:42:16,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:42:16,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:42:16,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:42:16,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:42:16,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:42:16,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:42:16,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:42:16,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:42:16,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:42:16,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:42:16,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:42:16,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:42:16,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:42:16,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:42:16,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:42:16,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:42:16,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:42:16,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:42:16,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:42:16,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:42:16,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:42:16,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:42:16,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 10:42:16,079 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:42:16,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:42:16,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:42:16,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:42:16,081 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:42:16,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:42:16,082 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:42:16,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:42:16,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:42:16,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:42:16,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:42:16,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:42:16,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:42:16,083 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:42:16,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:42:16,084 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:42:16,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:42:16,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:42:16,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:42:16,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:42:16,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:42:16,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:42:16,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:42:16,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:42:16,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:42:16,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:42:16,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:16,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:42:16,087 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:42:16,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:42:16,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:42:16,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:42:16,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:42:16,412 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:42:16,412 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:42:16,413 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-07-20 10:42:16,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af2d42d8/8b069520878b4998905dd5f2fc749792/FLAGcd7649756 [2020-07-20 10:42:16,976 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:42:16,977 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-07-20 10:42:16,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af2d42d8/8b069520878b4998905dd5f2fc749792/FLAGcd7649756 [2020-07-20 10:42:17,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af2d42d8/8b069520878b4998905dd5f2fc749792 [2020-07-20 10:42:17,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:42:17,333 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:42:17,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:42:17,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:42:17,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:42:17,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:17" (1/1) ... [2020-07-20 10:42:17,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0aed25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:17, skipping insertion in model container [2020-07-20 10:42:17,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:17" (1/1) ... [2020-07-20 10:42:17,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:42:17,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:42:17,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:42:17,826 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:42:17,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:42:17,974 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:42:17,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:17 WrapperNode [2020-07-20 10:42:17,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:42:17,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:42:17,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:42:17,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:42:17,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:17" (1/1) ... [2020-07-20 10:42:17,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:17" (1/1) ... [2020-07-20 10:42:18,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:17" (1/1) ... [2020-07-20 10:42:18,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:17" (1/1) ... [2020-07-20 10:42:18,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:17" (1/1) ... [2020-07-20 10:42:18,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:17" (1/1) ... [2020-07-20 10:42:18,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:17" (1/1) ... [2020-07-20 10:42:18,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:42:18,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:42:18,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:42:18,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:42:18,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:42:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:42:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:42:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:42:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:42:18,130 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:42:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:42:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:42:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:42:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:42:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:42:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:42:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:42:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:42:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:42:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:42:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:42:18,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:42:18,134 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:42:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-20 10:42:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:42:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:42:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:42:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:42:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:42:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:42:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:42:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:42:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:42:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:42:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:42:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:42:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:42:18,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:42:18,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:42:18,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:42:18,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:42:18,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:42:18,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:42:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:42:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:42:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:42:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:42:18,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:42:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:42:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:42:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:42:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:42:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:42:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:42:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:42:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:42:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:42:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:42:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:42:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-20 10:42:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:42:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:42:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:42:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:42:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:42:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:42:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:42:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:42:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:42:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:42:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:42:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:42:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:42:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:42:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:42:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:42:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:42:18,148 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:42:18,149 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:42:18,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:42:18,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:42:18,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:42:18,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:42:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:42:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:42:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:42:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:42:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:42:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:42:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:42:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:42:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:42:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:42:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:42:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:42:19,220 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:42:19,220 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:42:19,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:19 BoogieIcfgContainer [2020-07-20 10:42:19,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:42:19,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:42:19,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:42:19,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:42:19,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:42:17" (1/3) ... [2020-07-20 10:42:19,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2616777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:19, skipping insertion in model container [2020-07-20 10:42:19,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:17" (2/3) ... [2020-07-20 10:42:19,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2616777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:19, skipping insertion in model container [2020-07-20 10:42:19,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:19" (3/3) ... [2020-07-20 10:42:19,233 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2020-07-20 10:42:19,243 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:42:19,251 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:42:19,265 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:42:19,291 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:42:19,291 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:42:19,291 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:42:19,292 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:42:19,292 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:42:19,292 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:42:19,292 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:42:19,292 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:42:19,317 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-07-20 10:42:19,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 10:42:19,327 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:19,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:19,329 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:19,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:19,335 INFO L82 PathProgramCache]: Analyzing trace with hash 177325019, now seen corresponding path program 1 times [2020-07-20 10:42:19,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:19,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718311434] [2020-07-20 10:42:19,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:19,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:42:19,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:19,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:19,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718311434] [2020-07-20 10:42:19,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:19,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:42:19,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514430690] [2020-07-20 10:42:19,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:42:19,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:19,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:42:19,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:42:19,744 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2020-07-20 10:42:19,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:19,827 INFO L93 Difference]: Finished difference Result 246 states and 305 transitions. [2020-07-20 10:42:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:42:19,829 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2020-07-20 10:42:19,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:19,852 INFO L225 Difference]: With dead ends: 246 [2020-07-20 10:42:19,852 INFO L226 Difference]: Without dead ends: 123 [2020-07-20 10:42:19,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:42:19,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-20 10:42:19,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-20 10:42:19,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-20 10:42:19,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2020-07-20 10:42:19,912 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2020-07-20 10:42:19,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:19,912 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2020-07-20 10:42:19,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:42:19,913 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2020-07-20 10:42:19,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 10:42:19,922 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:19,923 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:20,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:20,136 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:20,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:20,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1842882407, now seen corresponding path program 1 times [2020-07-20 10:42:20,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:20,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179228425] [2020-07-20 10:42:20,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:20,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:42:20,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:20,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:20,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179228425] [2020-07-20 10:42:20,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:20,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:42:20,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585041515] [2020-07-20 10:42:20,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:42:20,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:20,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:42:20,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:20,435 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 3 states. [2020-07-20 10:42:20,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:20,458 INFO L93 Difference]: Finished difference Result 222 states and 267 transitions. [2020-07-20 10:42:20,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:20,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-20 10:42:20,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:20,461 INFO L225 Difference]: With dead ends: 222 [2020-07-20 10:42:20,461 INFO L226 Difference]: Without dead ends: 123 [2020-07-20 10:42:20,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:20,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-20 10:42:20,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-20 10:42:20,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-20 10:42:20,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-07-20 10:42:20,479 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 53 [2020-07-20 10:42:20,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:20,479 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-07-20 10:42:20,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:42:20,480 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-07-20 10:42:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 10:42:20,483 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:20,483 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:20,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:20,699 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:20,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:20,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1928372500, now seen corresponding path program 1 times [2020-07-20 10:42:20,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:20,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865116091] [2020-07-20 10:42:20,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:20,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:42:20,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:20,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:20,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865116091] [2020-07-20 10:42:20,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:20,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:42:20,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176487023] [2020-07-20 10:42:20,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:42:20,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:20,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:42:20,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:20,916 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 3 states. [2020-07-20 10:42:20,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:20,931 INFO L93 Difference]: Finished difference Result 195 states and 225 transitions. [2020-07-20 10:42:20,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:20,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-20 10:42:20,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:20,934 INFO L225 Difference]: With dead ends: 195 [2020-07-20 10:42:20,934 INFO L226 Difference]: Without dead ends: 114 [2020-07-20 10:42:20,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:20,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-07-20 10:42:20,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-07-20 10:42:20,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-20 10:42:20,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2020-07-20 10:42:20,962 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 61 [2020-07-20 10:42:20,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:20,962 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2020-07-20 10:42:20,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:42:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2020-07-20 10:42:20,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 10:42:20,967 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:20,968 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:21,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:21,182 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:21,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:21,183 INFO L82 PathProgramCache]: Analyzing trace with hash -771193848, now seen corresponding path program 1 times [2020-07-20 10:42:21,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:21,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470064485] [2020-07-20 10:42:21,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:21,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 10:42:21,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:21,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:21,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:21,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470064485] [2020-07-20 10:42:21,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:21,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:21,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110935985] [2020-07-20 10:42:21,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:21,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:21,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:21,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:21,417 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 6 states. [2020-07-20 10:42:21,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:21,686 INFO L93 Difference]: Finished difference Result 285 states and 349 transitions. [2020-07-20 10:42:21,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:42:21,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-20 10:42:21,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:21,691 INFO L225 Difference]: With dead ends: 285 [2020-07-20 10:42:21,691 INFO L226 Difference]: Without dead ends: 195 [2020-07-20 10:42:21,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:42:21,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-07-20 10:42:21,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 193. [2020-07-20 10:42:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-07-20 10:42:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 230 transitions. [2020-07-20 10:42:21,718 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 230 transitions. Word has length 65 [2020-07-20 10:42:21,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:21,718 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 230 transitions. [2020-07-20 10:42:21,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:21,719 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 230 transitions. [2020-07-20 10:42:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-20 10:42:21,720 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:21,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:21,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:21,934 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:21,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:21,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1046465522, now seen corresponding path program 1 times [2020-07-20 10:42:21,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:21,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1377261780] [2020-07-20 10:42:21,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:22,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 10:42:22,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:22,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:22,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:22,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1377261780] [2020-07-20 10:42:22,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:22,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:22,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043175141] [2020-07-20 10:42:22,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:22,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:22,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:22,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:22,171 INFO L87 Difference]: Start difference. First operand 193 states and 230 transitions. Second operand 6 states. [2020-07-20 10:42:22,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:22,648 INFO L93 Difference]: Finished difference Result 473 states and 580 transitions. [2020-07-20 10:42:22,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:42:22,648 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-07-20 10:42:22,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:22,652 INFO L225 Difference]: With dead ends: 473 [2020-07-20 10:42:22,652 INFO L226 Difference]: Without dead ends: 304 [2020-07-20 10:42:22,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:42:22,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-07-20 10:42:22,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2020-07-20 10:42:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-07-20 10:42:22,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 353 transitions. [2020-07-20 10:42:22,686 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 353 transitions. Word has length 69 [2020-07-20 10:42:22,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:22,687 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 353 transitions. [2020-07-20 10:42:22,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:22,687 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 353 transitions. [2020-07-20 10:42:22,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 10:42:22,690 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:22,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:22,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:22,904 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:22,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:22,905 INFO L82 PathProgramCache]: Analyzing trace with hash 750932028, now seen corresponding path program 1 times [2020-07-20 10:42:22,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:22,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997714681] [2020-07-20 10:42:22,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:23,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:42:23,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:23,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:23,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:23,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997714681] [2020-07-20 10:42:23,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:23,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:42:23,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943480542] [2020-07-20 10:42:23,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:42:23,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:23,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:42:23,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:42:23,117 INFO L87 Difference]: Start difference. First operand 301 states and 353 transitions. Second operand 5 states. [2020-07-20 10:42:23,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:23,151 INFO L93 Difference]: Finished difference Result 581 states and 691 transitions. [2020-07-20 10:42:23,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:42:23,152 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2020-07-20 10:42:23,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:23,157 INFO L225 Difference]: With dead ends: 581 [2020-07-20 10:42:23,157 INFO L226 Difference]: Without dead ends: 304 [2020-07-20 10:42:23,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 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 10:42:23,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-07-20 10:42:23,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2020-07-20 10:42:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-07-20 10:42:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 352 transitions. [2020-07-20 10:42:23,199 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 352 transitions. Word has length 83 [2020-07-20 10:42:23,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:23,201 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 352 transitions. [2020-07-20 10:42:23,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:42:23,201 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 352 transitions. [2020-07-20 10:42:23,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 10:42:23,204 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:23,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:23,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:23,418 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:23,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:23,419 INFO L82 PathProgramCache]: Analyzing trace with hash 678545470, now seen corresponding path program 1 times [2020-07-20 10:42:23,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:23,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247249050] [2020-07-20 10:42:23,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:23,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 10:42:23,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:23,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:23,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247249050] [2020-07-20 10:42:23,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:23,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:23,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47302747] [2020-07-20 10:42:23,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:23,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:23,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:23,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:23,610 INFO L87 Difference]: Start difference. First operand 301 states and 352 transitions. Second operand 6 states. [2020-07-20 10:42:23,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:23,651 INFO L93 Difference]: Finished difference Result 585 states and 699 transitions. [2020-07-20 10:42:23,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:42:23,652 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-07-20 10:42:23,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:23,655 INFO L225 Difference]: With dead ends: 585 [2020-07-20 10:42:23,655 INFO L226 Difference]: Without dead ends: 308 [2020-07-20 10:42:23,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 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 10:42:23,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-07-20 10:42:23,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 303. [2020-07-20 10:42:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-07-20 10:42:23,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 354 transitions. [2020-07-20 10:42:23,678 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 354 transitions. Word has length 83 [2020-07-20 10:42:23,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:23,679 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 354 transitions. [2020-07-20 10:42:23,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:23,679 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 354 transitions. [2020-07-20 10:42:23,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-20 10:42:23,681 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:23,681 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] [2020-07-20 10:42:23,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:23,897 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:23,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:23,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1174041569, now seen corresponding path program 1 times [2020-07-20 10:42:23,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:23,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389500742] [2020-07-20 10:42:23,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:24,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 29 conjunts are in the unsatisfiable core [2020-07-20 10:42:24,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:24,155 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 10:42:24,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:24,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389500742] [2020-07-20 10:42:24,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:24,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:42:24,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018879745] [2020-07-20 10:42:24,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:42:24,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:24,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:42:24,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:42:24,158 INFO L87 Difference]: Start difference. First operand 303 states and 354 transitions. Second operand 8 states. [2020-07-20 10:42:24,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:24,746 INFO L93 Difference]: Finished difference Result 828 states and 990 transitions. [2020-07-20 10:42:24,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:42:24,747 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-07-20 10:42:24,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:24,751 INFO L225 Difference]: With dead ends: 828 [2020-07-20 10:42:24,751 INFO L226 Difference]: Without dead ends: 549 [2020-07-20 10:42:24,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:42:24,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-07-20 10:42:24,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 546. [2020-07-20 10:42:24,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-07-20 10:42:24,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 640 transitions. [2020-07-20 10:42:24,801 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 640 transitions. Word has length 95 [2020-07-20 10:42:24,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:24,802 INFO L479 AbstractCegarLoop]: Abstraction has 546 states and 640 transitions. [2020-07-20 10:42:24,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:42:24,802 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 640 transitions. [2020-07-20 10:42:24,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-20 10:42:24,806 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:24,806 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] [2020-07-20 10:42:25,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:25,015 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:25,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:25,016 INFO L82 PathProgramCache]: Analyzing trace with hash 175480453, now seen corresponding path program 1 times [2020-07-20 10:42:25,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:25,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246410189] [2020-07-20 10:42:25,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:25,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 10:42:25,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:25,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 10:42:25,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:25,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1246410189] [2020-07-20 10:42:25,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:25,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:25,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799201136] [2020-07-20 10:42:25,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:25,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:25,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:25,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:25,262 INFO L87 Difference]: Start difference. First operand 546 states and 640 transitions. Second operand 6 states. [2020-07-20 10:42:25,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:25,470 INFO L93 Difference]: Finished difference Result 1032 states and 1231 transitions. [2020-07-20 10:42:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:42:25,470 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2020-07-20 10:42:25,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:25,474 INFO L225 Difference]: With dead ends: 1032 [2020-07-20 10:42:25,474 INFO L226 Difference]: Without dead ends: 510 [2020-07-20 10:42:25,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:42:25,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-07-20 10:42:25,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2020-07-20 10:42:25,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2020-07-20 10:42:25,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 588 transitions. [2020-07-20 10:42:25,502 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 588 transitions. Word has length 99 [2020-07-20 10:42:25,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:25,502 INFO L479 AbstractCegarLoop]: Abstraction has 510 states and 588 transitions. [2020-07-20 10:42:25,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 588 transitions. [2020-07-20 10:42:25,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-20 10:42:25,505 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:25,505 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] [2020-07-20 10:42:25,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:25,720 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:25,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:25,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1676429373, now seen corresponding path program 1 times [2020-07-20 10:42:25,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:25,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729663814] [2020-07-20 10:42:25,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:25,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 10:42:25,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:25,927 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 10:42:25,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:25,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729663814] [2020-07-20 10:42:25,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:25,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:25,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818524711] [2020-07-20 10:42:25,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:25,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:25,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:25,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:25,930 INFO L87 Difference]: Start difference. First operand 510 states and 588 transitions. Second operand 6 states. [2020-07-20 10:42:26,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:26,103 INFO L93 Difference]: Finished difference Result 512 states and 591 transitions. [2020-07-20 10:42:26,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:42:26,104 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2020-07-20 10:42:26,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:26,105 INFO L225 Difference]: With dead ends: 512 [2020-07-20 10:42:26,105 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:42:26,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:42:26,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:42:26,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:42:26,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:42:26,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:42:26,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2020-07-20 10:42:26,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:26,108 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:42:26,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:26,109 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:42:26,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:42:26,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:26,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:42:27,230 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2020-07-20 10:42:27,527 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2020-07-20 10:42:27,745 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2020-07-20 10:42:28,032 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2020-07-20 10:42:28,271 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-07-20 10:42:28,562 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2020-07-20 10:42:28,681 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-07-20 10:42:28,972 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25 [2020-07-20 10:42:29,496 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 10:42:30,055 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-07-20 10:42:30,333 INFO L268 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-07-20 10:42:30,333 INFO L268 CegarLoopResult]: For program point L635-1(lines 635 639) no Hoare annotation was computed. [2020-07-20 10:42:30,333 INFO L268 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-07-20 10:42:30,333 INFO L268 CegarLoopResult]: For program point L629-2(lines 629 650) no Hoare annotation was computed. [2020-07-20 10:42:30,333 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 604 659) no Hoare annotation was computed. [2020-07-20 10:42:30,334 INFO L268 CegarLoopResult]: For program point L651(lines 628 652) no Hoare annotation was computed. [2020-07-20 10:42:30,334 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 604 659) no Hoare annotation was computed. [2020-07-20 10:42:30,334 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 604 659) no Hoare annotation was computed. [2020-07-20 10:42:30,334 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-07-20 10:42:30,334 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-07-20 10:42:30,334 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 660 719) no Hoare annotation was computed. [2020-07-20 10:42:30,334 INFO L268 CegarLoopResult]: For program point L692(lines 692 696) no Hoare annotation was computed. [2020-07-20 10:42:30,335 INFO L268 CegarLoopResult]: For program point L692-1(lines 692 696) no Hoare annotation was computed. [2020-07-20 10:42:30,335 INFO L268 CegarLoopResult]: For program point L687(line 687) no Hoare annotation was computed. [2020-07-20 10:42:30,335 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 660 719) no Hoare annotation was computed. [2020-07-20 10:42:30,335 INFO L268 CegarLoopResult]: For program point L686-2(lines 686 711) no Hoare annotation was computed. [2020-07-20 10:42:30,335 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 660 719) no Hoare annotation was computed. [2020-07-20 10:42:30,335 INFO L268 CegarLoopResult]: For program point L712(lines 685 713) no Hoare annotation was computed. [2020-07-20 10:42:30,335 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-20 10:42:30,335 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-20 10:42:30,335 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-20 10:42:30,336 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-20 10:42:30,336 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-20 10:42:30,336 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 528 550) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 10:42:30,336 INFO L264 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 10:42:30,336 INFO L264 CegarLoopResult]: At program point L540-1(line 540) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 10:42:30,336 INFO L268 CegarLoopResult]: For program point L538(lines 538 545) no Hoare annotation was computed. [2020-07-20 10:42:30,337 INFO L268 CegarLoopResult]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2020-07-20 10:42:30,337 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2020-07-20 10:42:30,337 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 10:42:30,337 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 10:42:30,337 INFO L264 CegarLoopResult]: At program point L534(line 534) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 10:42:30,338 INFO L264 CegarLoopResult]: At program point L534-1(line 534) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 10:42:30,338 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 528 550) no Hoare annotation was computed. [2020-07-20 10:42:30,338 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 487 510) no Hoare annotation was computed. [2020-07-20 10:42:30,338 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 487 510) no Hoare annotation was computed. [2020-07-20 10:42:30,338 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 487 510) no Hoare annotation was computed. [2020-07-20 10:42:30,338 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 10:42:30,338 INFO L268 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-07-20 10:42:30,338 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-20 10:42:30,339 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 10:42:30,339 INFO L268 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-07-20 10:42:30,339 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-20 10:42:30,339 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 10:42:30,339 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-20 10:42:30,339 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 10:42:30,339 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 10:42:30,339 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-07-20 10:42:30,340 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 10:42:30,340 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 10:42:30,340 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-20 10:42:30,340 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2020-07-20 10:42:30,340 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2020-07-20 10:42:30,340 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2020-07-20 10:42:30,340 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-07-20 10:42:30,340 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 229) no Hoare annotation was computed. [2020-07-20 10:42:30,341 INFO L268 CegarLoopResult]: For program point L209(lines 209 217) no Hoare annotation was computed. [2020-07-20 10:42:30,341 INFO L268 CegarLoopResult]: For program point L209-2(lines 209 217) no Hoare annotation was computed. [2020-07-20 10:42:30,341 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 202 237) no Hoare annotation was computed. [2020-07-20 10:42:30,341 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-20 10:42:30,341 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-07-20 10:42:30,341 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2020-07-20 10:42:30,341 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2020-07-20 10:42:30,341 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-20 10:42:30,341 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-20 10:42:30,342 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 558 603) no Hoare annotation was computed. [2020-07-20 10:42:30,342 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 558 603) no Hoare annotation was computed. [2020-07-20 10:42:30,342 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 558 603) no Hoare annotation was computed. [2020-07-20 10:42:30,342 INFO L268 CegarLoopResult]: For program point L891(lines 891 898) no Hoare annotation was computed. [2020-07-20 10:42:30,342 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 871 916) no Hoare annotation was computed. [2020-07-20 10:42:30,342 INFO L268 CegarLoopResult]: For program point L885(lines 885 905) no Hoare annotation was computed. [2020-07-20 10:42:30,342 INFO L268 CegarLoopResult]: For program point L885-1(lines 885 905) no Hoare annotation was computed. [2020-07-20 10:42:30,342 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 871 916) no Hoare annotation was computed. [2020-07-20 10:42:30,342 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 871 916) no Hoare annotation was computed. [2020-07-20 10:42:30,343 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 518 527) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 10:42:30,343 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2020-07-20 10:42:30,343 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2020-07-20 10:42:30,343 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2020-07-20 10:42:30,343 INFO L271 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: true [2020-07-20 10:42:30,343 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2020-07-20 10:42:30,343 INFO L268 CegarLoopResult]: For program point L187-1(line 187) no Hoare annotation was computed. [2020-07-20 10:42:30,343 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2020-07-20 10:42:30,344 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 174 181) no Hoare annotation was computed. [2020-07-20 10:42:30,344 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2020-07-20 10:42:30,344 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2020-07-20 10:42:30,344 INFO L268 CegarLoopResult]: For program point L445(lines 445 451) no Hoare annotation was computed. [2020-07-20 10:42:30,344 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2020-07-20 10:42:30,344 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2020-07-20 10:42:30,344 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2020-07-20 10:42:30,344 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse1) (or .cse0 .cse4 .cse2 .cse5))) [2020-07-20 10:42:30,345 INFO L268 CegarLoopResult]: For program point L129-1(line 129) no Hoare annotation was computed. [2020-07-20 10:42:30,345 INFO L268 CegarLoopResult]: For program point L127(lines 127 144) no Hoare annotation was computed. [2020-07-20 10:42:30,345 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2020-07-20 10:42:30,345 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 123 147) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse3 .cse6) (or .cse0 .cse4 .cse1 .cse2))) [2020-07-20 10:42:30,345 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse2))) [2020-07-20 10:42:30,345 INFO L268 CegarLoopResult]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2020-07-20 10:42:30,346 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse3 .cse4 .cse5))) [2020-07-20 10:42:30,346 INFO L264 CegarLoopResult]: At program point L133(line 133) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (<= 1 processEnvironment_~tmp~0) .cse7)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse7 (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse0 .cse4 .cse5 .cse2 .cse6) (or .cse0 .cse3 .cse4 .cse5 .cse6)))) [2020-07-20 10:42:30,346 INFO L268 CegarLoopResult]: For program point L131(lines 131 139) no Hoare annotation was computed. [2020-07-20 10:42:30,346 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2020-07-20 10:42:30,346 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2020-07-20 10:42:30,346 INFO L264 CegarLoopResult]: At program point testENTRY(lines 261 324) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-07-20 10:42:30,347 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 (<= ~waterLevel~0 1) .cse1))) [2020-07-20 10:42:30,347 INFO L264 CegarLoopResult]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 (<= ~waterLevel~0 1) .cse1))) [2020-07-20 10:42:30,347 INFO L268 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-07-20 10:42:30,347 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2020-07-20 10:42:30,347 INFO L268 CegarLoopResult]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2020-07-20 10:42:30,347 INFO L268 CegarLoopResult]: For program point L273(lines 273 277) no Hoare annotation was computed. [2020-07-20 10:42:30,348 INFO L264 CegarLoopResult]: At program point L317(lines 270 318) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:42:30,348 INFO L268 CegarLoopResult]: For program point L307(lines 307 311) no Hoare annotation was computed. [2020-07-20 10:42:30,348 INFO L264 CegarLoopResult]: At program point L307-2(lines 301 312) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-07-20 10:42:30,348 INFO L268 CegarLoopResult]: For program point L272(lines 271 316) no Hoare annotation was computed. [2020-07-20 10:42:30,348 INFO L268 CegarLoopResult]: For program point L301(lines 301 312) no Hoare annotation was computed. [2020-07-20 10:42:30,348 INFO L264 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-07-20 10:42:30,349 INFO L268 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-07-20 10:42:30,349 INFO L268 CegarLoopResult]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2020-07-20 10:42:30,349 INFO L268 CegarLoopResult]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2020-07-20 10:42:30,349 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 825 870) no Hoare annotation was computed. [2020-07-20 10:42:30,349 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 825 870) no Hoare annotation was computed. [2020-07-20 10:42:30,349 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 825 870) no Hoare annotation was computed. [2020-07-20 10:42:30,349 INFO L268 CegarLoopResult]: For program point L845(lines 845 852) no Hoare annotation was computed. [2020-07-20 10:42:30,349 INFO L268 CegarLoopResult]: For program point L839(lines 839 859) no Hoare annotation was computed. [2020-07-20 10:42:30,350 INFO L268 CegarLoopResult]: For program point L839-1(lines 839 859) no Hoare annotation was computed. [2020-07-20 10:42:30,350 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 148 155) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:42:30,350 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2020-07-20 10:42:30,350 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 148 155) no Hoare annotation was computed. [2020-07-20 10:42:30,350 INFO L268 CegarLoopResult]: For program point L417(lines 417 425) no Hoare annotation was computed. [2020-07-20 10:42:30,350 INFO L268 CegarLoopResult]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2020-07-20 10:42:30,350 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2020-07-20 10:42:30,351 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2020-07-20 10:42:30,351 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2020-07-20 10:42:30,351 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-20 10:42:30,351 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-20 10:42:30,351 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-20 10:42:30,351 INFO L268 CegarLoopResult]: For program point L768(lines 768 809) no Hoare annotation was computed. [2020-07-20 10:42:30,351 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 722 824) no Hoare annotation was computed. [2020-07-20 10:42:30,351 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-20 10:42:30,352 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-07-20 10:42:30,352 INFO L268 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2020-07-20 10:42:30,352 INFO L268 CegarLoopResult]: For program point L810(lines 810 821) no Hoare annotation was computed. [2020-07-20 10:42:30,352 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 722 824) no Hoare annotation was computed. [2020-07-20 10:42:30,352 INFO L268 CegarLoopResult]: For program point L773(lines 773 777) no Hoare annotation was computed. [2020-07-20 10:42:30,352 INFO L268 CegarLoopResult]: For program point L771-2(lines 771 791) no Hoare annotation was computed. [2020-07-20 10:42:30,352 INFO L268 CegarLoopResult]: For program point L792(lines 770 793) no Hoare annotation was computed. [2020-07-20 10:42:30,352 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 722 824) no Hoare annotation was computed. [2020-07-20 10:42:30,352 INFO L268 CegarLoopResult]: For program point L751(lines 751 767) no Hoare annotation was computed. [2020-07-20 10:42:30,353 INFO L268 CegarLoopResult]: For program point L811(lines 811 818) no Hoare annotation was computed. [2020-07-20 10:42:30,353 INFO L268 CegarLoopResult]: For program point L772(lines 771 791) no Hoare annotation was computed. [2020-07-20 10:42:30,353 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-20 10:42:30,353 INFO L268 CegarLoopResult]: For program point L803-1(line 803) no Hoare annotation was computed. [2020-07-20 10:42:30,353 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:30,353 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-20 10:42:30,353 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:30,353 INFO L268 CegarLoopResult]: For program point L162-1(line 162) no Hoare annotation was computed. [2020-07-20 10:42:30,353 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2020-07-20 10:42:30,354 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 157 173) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:42:30,354 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~1) .cse2)))) [2020-07-20 10:42:30,354 INFO L268 CegarLoopResult]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2020-07-20 10:42:30,354 INFO L268 CegarLoopResult]: For program point L164(lines 164 170) no Hoare annotation was computed. [2020-07-20 10:42:30,354 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:42:30,354 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2020-07-20 10:42:30,355 INFO L268 CegarLoopResult]: For program point L247(lines 247 251) no Hoare annotation was computed. [2020-07-20 10:42:30,355 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2020-07-20 10:42:30,355 INFO L271 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: true [2020-07-20 10:42:30,355 INFO L268 CegarLoopResult]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2020-07-20 10:42:30,355 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 238 256) no Hoare annotation was computed. [2020-07-20 10:42:30,355 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-20 10:42:30,355 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2020-07-20 10:42:30,356 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2020-07-20 10:42:30,356 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2020-07-20 10:42:30,356 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse5 .cse3 .cse6))) [2020-07-20 10:42:30,356 INFO L268 CegarLoopResult]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2020-07-20 10:42:30,356 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2020-07-20 10:42:30,356 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:30,356 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:42:30,357 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:30,357 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2020-07-20 10:42:30,357 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2020-07-20 10:42:30,357 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2020-07-20 10:42:30,357 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse1 .cse6 .cse7) (or .cse1 .cse7 .cse3) (or .cse0 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse5))) [2020-07-20 10:42:30,357 INFO L268 CegarLoopResult]: For program point L95(lines 94 113) no Hoare annotation was computed. [2020-07-20 10:42:30,358 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 91 114) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse6 .cse8) (or .cse0 .cse1 .cse7 .cse6 .cse4) (or .cse1 .cse6 .cse3 .cse8) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse2 .cse5))) [2020-07-20 10:42:30,358 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2020-07-20 10:42:30,358 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse6 .cse8) (or .cse0 .cse1 .cse7 .cse6 .cse4) (or .cse1 .cse6 .cse3 .cse8) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse2 .cse5))) [2020-07-20 10:42:30,358 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2020-07-20 10:42:30,358 INFO L264 CegarLoopResult]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse0 .cse1 .cse7 .cse6 .cse4) (or .cse1 .cse7 .cse6 .cse8 .cse9) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse6 .cse3 (and .cse8 .cse4) .cse9) (or .cse1 .cse7 .cse2 .cse5))) [2020-07-20 10:42:30,359 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2020-07-20 10:42:30,359 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 10:42:30,359 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2020-07-20 10:42:30,359 INFO L268 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2020-07-20 10:42:30,359 INFO L271 CegarLoopResult]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2020-07-20 10:42:30,359 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-07-20 10:42:30,359 INFO L271 CegarLoopResult]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2020-07-20 10:42:30,359 INFO L271 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: true [2020-07-20 10:42:30,360 INFO L268 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-07-20 10:42:30,360 INFO L271 CegarLoopResult]: At program point L482(lines 457 486) the Hoare annotation is: true [2020-07-20 10:42:30,360 INFO L264 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse4 (not (<= ~waterLevel~0 1)) .cse3))) [2020-07-20 10:42:30,360 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2020-07-20 10:42:30,360 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-07-20 10:42:30,360 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2020-07-20 10:42:30,360 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse5 .cse2) (or .cse0 .cse4 .cse5 .cse3))) [2020-07-20 10:42:30,361 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-07-20 10:42:30,361 INFO L268 CegarLoopResult]: For program point L343(lines 343 356) no Hoare annotation was computed. [2020-07-20 10:42:30,361 INFO L268 CegarLoopResult]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2020-07-20 10:42:30,361 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0))) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))))) [2020-07-20 10:42:30,361 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-20 10:42:30,361 INFO L268 CegarLoopResult]: For program point L337(lines 337 357) no Hoare annotation was computed. [2020-07-20 10:42:30,361 INFO L271 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: true [2020-07-20 10:42:30,362 INFO L268 CegarLoopResult]: For program point L335-1(line 335) no Hoare annotation was computed. [2020-07-20 10:42:30,362 INFO L268 CegarLoopResult]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2020-07-20 10:42:30,362 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-20 10:42:30,362 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2020-07-20 10:42:30,362 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2020-07-20 10:42:30,362 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2020-07-20 10:42:30,362 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:30,363 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:42:30,363 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:42:30,363 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:30,363 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2020-07-20 10:42:30,363 INFO L268 CegarLoopResult]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2020-07-20 10:42:30,363 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (<= ~waterLevel~0 1)) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse6))) [2020-07-20 10:42:30,363 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2020-07-20 10:42:30,364 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2020-07-20 10:42:30,364 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2020-07-20 10:42:30,364 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2020-07-20 10:42:30,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:42:30 BoogieIcfgContainer [2020-07-20 10:42:30,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:42:30,383 INFO L168 Benchmark]: Toolchain (without parser) took 13051.34 ms. Allocated memory was 138.4 MB in the beginning and 359.1 MB in the end (delta: 220.7 MB). Free memory was 100.5 MB in the beginning and 229.9 MB in the end (delta: -129.3 MB). Peak memory consumption was 234.9 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:30,384 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:42:30,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.69 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.1 MB in the beginning and 172.0 MB in the end (delta: -71.9 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:30,386 INFO L168 Benchmark]: Boogie Preprocessor took 87.05 ms. Allocated memory is still 202.4 MB. Free memory was 172.0 MB in the beginning and 167.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:30,387 INFO L168 Benchmark]: RCFGBuilder took 1162.87 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 167.9 MB in the beginning and 200.5 MB in the end (delta: -32.6 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:30,387 INFO L168 Benchmark]: TraceAbstraction took 11155.01 ms. Allocated memory was 235.4 MB in the beginning and 359.1 MB in the end (delta: 123.7 MB). Free memory was 200.5 MB in the beginning and 229.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 237.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:30,391 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 636.69 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.1 MB in the beginning and 172.0 MB in the end (delta: -71.9 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.05 ms. Allocated memory is still 202.4 MB. Free memory was 172.0 MB in the beginning and 167.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1162.87 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 167.9 MB in the beginning and 200.5 MB in the end (delta: -32.6 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11155.01 ms. Allocated memory was 235.4 MB in the beginning and 359.1 MB in the end (delta: 123.7 MB). Free memory was 200.5 MB in the beginning and 229.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 237.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 271]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((0 == methaneLevelCritical && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(1 <= systemActive)) || ((1 <= methaneLevelCritical && splverifierCounter <= 0) && 1 <= pumpRunning)) || ((1 <= methaneLevelCritical && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter <= 0) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1532 SDtfs, 619 SDslu, 3328 SDs, 0 SdLazy, 686 SolverSat, 146 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 758 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=546occurred 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 16 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 995 PreInvPairs, 1064 NumberOfFragments, 1848 HoareAnnotationTreeSize, 995 FomulaSimplifications, 480 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 56 FomulaSimplificationsInter, 4336 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 749 ConstructedInterpolants, 0 QuantifiedInterpolants, 105277 SizeOfPredicates, 25 NumberOfNonLiveVariables, 7055 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 9/9 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...