java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:15,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:15,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:16,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:16,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:16,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:16,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:16,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:16,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:16,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:16,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:16,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:16,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:16,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:16,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:16,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:16,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:16,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:16,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:16,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:16,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:16,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:16,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:16,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:16,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:16,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:16,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:16,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:16,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:16,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:16,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:16,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:16,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:16,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:16,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:16,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:16,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:16,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:16,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:16,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:16,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:16,079 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 [2019-10-15 01:20:16,114 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:16,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:16,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:16,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:16,118 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:16,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:16,118 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:16,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:16,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:16,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:16,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:16,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:16,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:16,119 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:16,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:16,120 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:16,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:16,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:16,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:16,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:16,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:16,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:16,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:16,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:16,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:16,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:16,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:16,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:16,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:20:16,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:16,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:16,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:16,429 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:16,429 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:16,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product37.cil.c [2019-10-15 01:20:16,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ad0b799d/2cf1d6010d36420ebdfbc8f28dd3ba2b/FLAG13684c4bd [2019-10-15 01:20:16,998 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:17,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product37.cil.c [2019-10-15 01:20:17,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ad0b799d/2cf1d6010d36420ebdfbc8f28dd3ba2b/FLAG13684c4bd [2019-10-15 01:20:17,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ad0b799d/2cf1d6010d36420ebdfbc8f28dd3ba2b [2019-10-15 01:20:17,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:17,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:17,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:17,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:17,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:17,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:17" (1/1) ... [2019-10-15 01:20:17,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319c2be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:17, skipping insertion in model container [2019-10-15 01:20:17,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:17" (1/1) ... [2019-10-15 01:20:17,341 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:17,406 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:17,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:17,937 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:18,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:18,085 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:18,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:18 WrapperNode [2019-10-15 01:20:18,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:18,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:18,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:18,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:18,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:18" (1/1) ... [2019-10-15 01:20:18,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:18" (1/1) ... [2019-10-15 01:20:18,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:18" (1/1) ... [2019-10-15 01:20:18,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:18" (1/1) ... [2019-10-15 01:20:18,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:18" (1/1) ... [2019-10-15 01:20:18,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:18" (1/1) ... [2019-10-15 01:20:18,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:18" (1/1) ... [2019-10-15 01:20:18,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:18,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:18,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:18,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:18,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:18" (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 [2019-10-15 01:20:18,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:18,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:18,237 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:20:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:20:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-15 01:20:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:20:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-15 01:20:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:20:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:19,379 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:19,379 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:19,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:19 BoogieIcfgContainer [2019-10-15 01:20:19,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:19,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:19,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:19,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:19,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:17" (1/3) ... [2019-10-15 01:20:19,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae09caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:19, skipping insertion in model container [2019-10-15 01:20:19,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:18" (2/3) ... [2019-10-15 01:20:19,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae09caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:19, skipping insertion in model container [2019-10-15 01:20:19,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:19" (3/3) ... [2019-10-15 01:20:19,396 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2019-10-15 01:20:19,407 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:19,416 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:19,428 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:19,463 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:19,464 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:19,464 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:19,465 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:19,465 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:19,465 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:19,465 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:19,465 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:19,497 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2019-10-15 01:20:19,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:19,507 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:19,508 INFO L380 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] [2019-10-15 01:20:19,510 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:19,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:19,516 INFO L82 PathProgramCache]: Analyzing trace with hash -286818330, now seen corresponding path program 1 times [2019-10-15 01:20:19,526 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:19,527 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733473236] [2019-10-15 01:20:19,527 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:19,527 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:19,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:19,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:19,867 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733473236] [2019-10-15 01:20:19,868 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:19,868 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:19,869 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84593212] [2019-10-15 01:20:19,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:19,876 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:19,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:19,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:19,895 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2019-10-15 01:20:19,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:19,938 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2019-10-15 01:20:19,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:19,939 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-15 01:20:19,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:19,953 INFO L225 Difference]: With dead ends: 258 [2019-10-15 01:20:19,953 INFO L226 Difference]: Without dead ends: 129 [2019-10-15 01:20:19,958 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:19,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-10-15 01:20:20,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-10-15 01:20:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-15 01:20:20,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 152 transitions. [2019-10-15 01:20:20,027 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 152 transitions. Word has length 52 [2019-10-15 01:20:20,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:20,028 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 152 transitions. [2019-10-15 01:20:20,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:20,028 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2019-10-15 01:20:20,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 01:20:20,035 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:20,035 INFO L380 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] [2019-10-15 01:20:20,036 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:20,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:20,038 INFO L82 PathProgramCache]: Analyzing trace with hash 2080874190, now seen corresponding path program 1 times [2019-10-15 01:20:20,038 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:20,038 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861068352] [2019-10-15 01:20:20,038 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:20,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:20,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:20,211 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861068352] [2019-10-15 01:20:20,212 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:20,212 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:20,212 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653808174] [2019-10-15 01:20:20,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:20,215 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:20,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:20,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:20,217 INFO L87 Difference]: Start difference. First operand 129 states and 152 transitions. Second operand 3 states. [2019-10-15 01:20:20,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:20,242 INFO L93 Difference]: Finished difference Result 207 states and 243 transitions. [2019-10-15 01:20:20,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:20,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-15 01:20:20,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:20,246 INFO L225 Difference]: With dead ends: 207 [2019-10-15 01:20:20,246 INFO L226 Difference]: Without dead ends: 120 [2019-10-15 01:20:20,247 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:20,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-15 01:20:20,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-10-15 01:20:20,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-10-15 01:20:20,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2019-10-15 01:20:20,261 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2019-10-15 01:20:20,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:20,262 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2019-10-15 01:20:20,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2019-10-15 01:20:20,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:20:20,265 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:20,265 INFO L380 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] [2019-10-15 01:20:20,265 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:20,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:20,266 INFO L82 PathProgramCache]: Analyzing trace with hash -655892717, now seen corresponding path program 1 times [2019-10-15 01:20:20,266 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:20,268 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61227280] [2019-10-15 01:20:20,269 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:20,269 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:20,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:20,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61227280] [2019-10-15 01:20:20,509 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:20,510 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:20,510 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631515343] [2019-10-15 01:20:20,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:20,511 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:20,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:20,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:20,512 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2019-10-15 01:20:20,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:20,828 INFO L93 Difference]: Finished difference Result 216 states and 257 transitions. [2019-10-15 01:20:20,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:20,829 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-15 01:20:20,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:20,832 INFO L225 Difference]: With dead ends: 216 [2019-10-15 01:20:20,832 INFO L226 Difference]: Without dead ends: 120 [2019-10-15 01:20:20,833 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:20,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-15 01:20:20,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-10-15 01:20:20,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-10-15 01:20:20,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2019-10-15 01:20:20,848 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 57 [2019-10-15 01:20:20,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:20,849 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2019-10-15 01:20:20,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:20,849 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2019-10-15 01:20:20,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-15 01:20:20,852 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:20,853 INFO L380 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] [2019-10-15 01:20:20,853 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:20,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:20,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1564257937, now seen corresponding path program 1 times [2019-10-15 01:20:20,854 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:20,854 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491262493] [2019-10-15 01:20:20,854 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:20,855 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:20,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:21,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:21,088 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491262493] [2019-10-15 01:20:21,088 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:21,088 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:20:21,088 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029011451] [2019-10-15 01:20:21,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:21,089 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:21,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:21,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:21,090 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 5 states. [2019-10-15 01:20:21,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:21,596 INFO L93 Difference]: Finished difference Result 322 states and 389 transitions. [2019-10-15 01:20:21,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:21,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-15 01:20:21,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:21,602 INFO L225 Difference]: With dead ends: 322 [2019-10-15 01:20:21,602 INFO L226 Difference]: Without dead ends: 226 [2019-10-15 01:20:21,605 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:21,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-10-15 01:20:21,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 208. [2019-10-15 01:20:21,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-10-15 01:20:21,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 238 transitions. [2019-10-15 01:20:21,656 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 238 transitions. Word has length 70 [2019-10-15 01:20:21,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:21,656 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 238 transitions. [2019-10-15 01:20:21,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:21,657 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 238 transitions. [2019-10-15 01:20:21,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-15 01:20:21,660 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:21,660 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:21,660 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:21,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:21,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1686316557, now seen corresponding path program 1 times [2019-10-15 01:20:21,661 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:21,661 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592021222] [2019-10-15 01:20:21,661 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,662 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:21,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:21,768 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592021222] [2019-10-15 01:20:21,768 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:21,768 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:21,768 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879228927] [2019-10-15 01:20:21,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:21,769 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:21,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:21,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:21,770 INFO L87 Difference]: Start difference. First operand 208 states and 238 transitions. Second operand 6 states. [2019-10-15 01:20:21,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:21,988 INFO L93 Difference]: Finished difference Result 504 states and 609 transitions. [2019-10-15 01:20:21,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:21,989 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-15 01:20:21,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:21,992 INFO L225 Difference]: With dead ends: 504 [2019-10-15 01:20:21,993 INFO L226 Difference]: Without dead ends: 320 [2019-10-15 01:20:21,994 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:21,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-10-15 01:20:22,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 316. [2019-10-15 01:20:22,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2019-10-15 01:20:22,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 368 transitions. [2019-10-15 01:20:22,036 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 368 transitions. Word has length 84 [2019-10-15 01:20:22,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:22,037 INFO L462 AbstractCegarLoop]: Abstraction has 316 states and 368 transitions. [2019-10-15 01:20:22,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:22,037 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 368 transitions. [2019-10-15 01:20:22,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:20:22,042 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:22,042 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:22,043 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:22,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:22,043 INFO L82 PathProgramCache]: Analyzing trace with hash 645528839, now seen corresponding path program 1 times [2019-10-15 01:20:22,043 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:22,044 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768555509] [2019-10-15 01:20:22,044 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,044 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:22,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:22,218 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768555509] [2019-10-15 01:20:22,219 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:22,219 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:22,220 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336162417] [2019-10-15 01:20:22,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:22,220 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:22,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:22,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:22,221 INFO L87 Difference]: Start difference. First operand 316 states and 368 transitions. Second operand 6 states. [2019-10-15 01:20:22,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:22,474 INFO L93 Difference]: Finished difference Result 679 states and 825 transitions. [2019-10-15 01:20:22,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:22,474 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-15 01:20:22,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:22,481 INFO L225 Difference]: With dead ends: 679 [2019-10-15 01:20:22,481 INFO L226 Difference]: Without dead ends: 495 [2019-10-15 01:20:22,483 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:22,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2019-10-15 01:20:22,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 477. [2019-10-15 01:20:22,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2019-10-15 01:20:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 569 transitions. [2019-10-15 01:20:22,542 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 569 transitions. Word has length 88 [2019-10-15 01:20:22,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:22,543 INFO L462 AbstractCegarLoop]: Abstraction has 477 states and 569 transitions. [2019-10-15 01:20:22,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 569 transitions. [2019-10-15 01:20:22,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:20:22,547 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:22,547 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:22,547 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:22,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:22,548 INFO L82 PathProgramCache]: Analyzing trace with hash -277154744, now seen corresponding path program 1 times [2019-10-15 01:20:22,548 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:22,548 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128909442] [2019-10-15 01:20:22,549 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,549 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:22,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:22,626 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128909442] [2019-10-15 01:20:22,626 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:22,626 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:20:22,626 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707704846] [2019-10-15 01:20:22,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:22,628 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:22,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:22,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:22,628 INFO L87 Difference]: Start difference. First operand 477 states and 569 transitions. Second operand 5 states. [2019-10-15 01:20:22,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:22,669 INFO L93 Difference]: Finished difference Result 832 states and 1014 transitions. [2019-10-15 01:20:22,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:20:22,670 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2019-10-15 01:20:22,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:22,674 INFO L225 Difference]: With dead ends: 832 [2019-10-15 01:20:22,674 INFO L226 Difference]: Without dead ends: 487 [2019-10-15 01:20:22,676 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:22,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2019-10-15 01:20:22,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2019-10-15 01:20:22,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2019-10-15 01:20:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 572 transitions. [2019-10-15 01:20:22,731 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 572 transitions. Word has length 88 [2019-10-15 01:20:22,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:22,731 INFO L462 AbstractCegarLoop]: Abstraction has 481 states and 572 transitions. [2019-10-15 01:20:22,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:22,732 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 572 transitions. [2019-10-15 01:20:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:20:22,741 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:22,741 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:22,741 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:22,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:22,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1121160246, now seen corresponding path program 1 times [2019-10-15 01:20:22,746 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:22,747 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588028898] [2019-10-15 01:20:22,747 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,747 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:22,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:22,859 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588028898] [2019-10-15 01:20:22,860 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:22,860 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:20:22,860 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691560451] [2019-10-15 01:20:22,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:20:22,861 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:22,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:20:22,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:22,861 INFO L87 Difference]: Start difference. First operand 481 states and 572 transitions. Second operand 9 states. [2019-10-15 01:20:22,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:22,944 INFO L93 Difference]: Finished difference Result 944 states and 1146 transitions. [2019-10-15 01:20:22,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:20:22,944 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2019-10-15 01:20:22,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:22,948 INFO L225 Difference]: With dead ends: 944 [2019-10-15 01:20:22,948 INFO L226 Difference]: Without dead ends: 487 [2019-10-15 01:20:22,950 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:22,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2019-10-15 01:20:22,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2019-10-15 01:20:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2019-10-15 01:20:22,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 570 transitions. [2019-10-15 01:20:22,978 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 570 transitions. Word has length 88 [2019-10-15 01:20:22,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:22,979 INFO L462 AbstractCegarLoop]: Abstraction has 481 states and 570 transitions. [2019-10-15 01:20:22,979 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:20:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 570 transitions. [2019-10-15 01:20:22,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-15 01:20:22,981 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:22,981 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:22,981 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:22,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:22,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1811416500, now seen corresponding path program 1 times [2019-10-15 01:20:22,982 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:22,982 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650775405] [2019-10-15 01:20:22,982 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,982 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:23,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:23,076 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650775405] [2019-10-15 01:20:23,077 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:23,077 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:20:23,077 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154868700] [2019-10-15 01:20:23,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:20:23,078 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:23,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:20:23,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:23,078 INFO L87 Difference]: Start difference. First operand 481 states and 570 transitions. Second operand 10 states. [2019-10-15 01:20:23,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:23,352 INFO L93 Difference]: Finished difference Result 944 states and 1122 transitions. [2019-10-15 01:20:23,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 01:20:23,353 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2019-10-15 01:20:23,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:23,357 INFO L225 Difference]: With dead ends: 944 [2019-10-15 01:20:23,357 INFO L226 Difference]: Without dead ends: 487 [2019-10-15 01:20:23,359 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:23,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2019-10-15 01:20:23,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 470. [2019-10-15 01:20:23,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-10-15 01:20:23,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 539 transitions. [2019-10-15 01:20:23,391 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 539 transitions. Word has length 89 [2019-10-15 01:20:23,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:23,392 INFO L462 AbstractCegarLoop]: Abstraction has 470 states and 539 transitions. [2019-10-15 01:20:23,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:20:23,392 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 539 transitions. [2019-10-15 01:20:23,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-15 01:20:23,395 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:23,396 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:23,396 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:23,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:23,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1818347036, now seen corresponding path program 1 times [2019-10-15 01:20:23,396 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:23,397 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061781961] [2019-10-15 01:20:23,397 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:23,397 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:23,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 01:20:23,492 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061781961] [2019-10-15 01:20:23,494 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745596991] [2019-10-15 01:20:23,495 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:23,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-15 01:20:23,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:24,004 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:24,004 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:24,196 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:24,360 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-15 01:20:24,361 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:24,361 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 9] total 16 [2019-10-15 01:20:24,361 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802827563] [2019-10-15 01:20:24,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:24,366 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:24,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:24,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-10-15 01:20:24,367 INFO L87 Difference]: Start difference. First operand 470 states and 539 transitions. Second operand 8 states. [2019-10-15 01:20:25,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:25,785 INFO L93 Difference]: Finished difference Result 1235 states and 1526 transitions. [2019-10-15 01:20:25,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-15 01:20:25,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 136 [2019-10-15 01:20:25,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:25,793 INFO L225 Difference]: With dead ends: 1235 [2019-10-15 01:20:25,794 INFO L226 Difference]: Without dead ends: 902 [2019-10-15 01:20:25,796 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 261 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2019-10-15 01:20:25,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2019-10-15 01:20:25,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 821. [2019-10-15 01:20:25,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2019-10-15 01:20:25,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 965 transitions. [2019-10-15 01:20:25,887 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 965 transitions. Word has length 136 [2019-10-15 01:20:25,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:25,888 INFO L462 AbstractCegarLoop]: Abstraction has 821 states and 965 transitions. [2019-10-15 01:20:25,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:25,888 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 965 transitions. [2019-10-15 01:20:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-15 01:20:25,892 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:25,893 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:26,099 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:26,099 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:26,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:26,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1116405482, now seen corresponding path program 1 times [2019-10-15 01:20:26,100 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:26,100 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186296756] [2019-10-15 01:20:26,101 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:26,101 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:26,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:26,252 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 01:20:26,253 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186296756] [2019-10-15 01:20:26,253 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651656309] [2019-10-15 01:20:26,253 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:26,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-15 01:20:26,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:26,623 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 01:20:26,623 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:26,830 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:26,844 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-15 01:20:26,913 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:26,913 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2019-10-15 01:20:26,914 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087330450] [2019-10-15 01:20:26,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:20:26,915 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:26,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:20:26,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:20:26,916 INFO L87 Difference]: Start difference. First operand 821 states and 965 transitions. Second operand 9 states. [2019-10-15 01:20:27,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:27,351 INFO L93 Difference]: Finished difference Result 1547 states and 1874 transitions. [2019-10-15 01:20:27,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:20:27,351 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 132 [2019-10-15 01:20:27,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:27,352 INFO L225 Difference]: With dead ends: 1547 [2019-10-15 01:20:27,352 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:27,356 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 252 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2019-10-15 01:20:27,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:27,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:27,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:27,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:27,358 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 132 [2019-10-15 01:20:27,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:27,358 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:27,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:20:27,358 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:27,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:27,563 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:27,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:28,419 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2019-10-15 01:20:28,990 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 41 [2019-10-15 01:20:29,121 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2019-10-15 01:20:29,423 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2019-10-15 01:20:29,782 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 33 [2019-10-15 01:20:30,202 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-10-15 01:20:30,352 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 29 [2019-10-15 01:20:30,497 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2019-10-15 01:20:30,700 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2019-10-15 01:20:30,991 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2019-10-15 01:20:31,865 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-15 01:20:31,865 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 242) no Hoare annotation was computed. [2019-10-15 01:20:31,865 INFO L443 ceAbstractionStarter]: For program point L243(lines 220 244) no Hoare annotation was computed. [2019-10-15 01:20:31,866 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 196 251) no Hoare annotation was computed. [2019-10-15 01:20:31,866 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 196 251) no Hoare annotation was computed. [2019-10-15 01:20:31,866 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-10-15 01:20:31,866 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 196 251) no Hoare annotation was computed. [2019-10-15 01:20:31,866 INFO L443 ceAbstractionStarter]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2019-10-15 01:20:31,866 INFO L443 ceAbstractionStarter]: For program point L284(lines 284 288) no Hoare annotation was computed. [2019-10-15 01:20:31,866 INFO L443 ceAbstractionStarter]: For program point L284-1(lines 284 288) no Hoare annotation was computed. [2019-10-15 01:20:31,866 INFO L443 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2019-10-15 01:20:31,866 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 252 311) no Hoare annotation was computed. [2019-10-15 01:20:31,867 INFO L443 ceAbstractionStarter]: For program point L278-2(lines 278 303) no Hoare annotation was computed. [2019-10-15 01:20:31,867 INFO L443 ceAbstractionStarter]: For program point L304(lines 277 305) no Hoare annotation was computed. [2019-10-15 01:20:31,867 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 252 311) no Hoare annotation was computed. [2019-10-15 01:20:31,867 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 252 311) no Hoare annotation was computed. [2019-10-15 01:20:31,867 INFO L443 ceAbstractionStarter]: For program point L297(line 297) no Hoare annotation was computed. [2019-10-15 01:20:31,867 INFO L443 ceAbstractionStarter]: For program point L297-1(line 297) no Hoare annotation was computed. [2019-10-15 01:20:31,867 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 917 923) the Hoare annotation is: true [2019-10-15 01:20:31,867 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 917 923) no Hoare annotation was computed. [2019-10-15 01:20:31,868 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 924 932) no Hoare annotation was computed. [2019-10-15 01:20:31,868 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 924 932) the Hoare annotation is: true [2019-10-15 01:20:31,868 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 924 932) no Hoare annotation was computed. [2019-10-15 01:20:31,868 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-15 01:20:31,868 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-15 01:20:31,868 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 01:20:31,868 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 01:20:31,868 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 01:20:31,869 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 01:20:31,869 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-15 01:20:31,869 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-10-15 01:20:31,869 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 1) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 01:20:31,869 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 1) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 01:20:31,869 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-15 01:20:31,869 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:20:31,869 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-15 01:20:31,869 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:20:31,870 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-15 01:20:31,870 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:20:31,870 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-15 01:20:31,870 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-15 01:20:31,870 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-15 01:20:31,870 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-15 01:20:31,870 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-15 01:20:31,870 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-15 01:20:31,871 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-15 01:20:31,871 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-15 01:20:31,871 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-15 01:20:31,871 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-15 01:20:31,871 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-15 01:20:31,871 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-15 01:20:31,871 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 631 639) no Hoare annotation was computed. [2019-10-15 01:20:31,871 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 631 639) the Hoare annotation is: true [2019-10-15 01:20:31,871 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 631 639) no Hoare annotation was computed. [2019-10-15 01:20:31,872 INFO L443 ceAbstractionStarter]: For program point L670(line 670) no Hoare annotation was computed. [2019-10-15 01:20:31,872 INFO L443 ceAbstractionStarter]: For program point L670-1(line 670) no Hoare annotation was computed. [2019-10-15 01:20:31,872 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 667) no Hoare annotation was computed. [2019-10-15 01:20:31,872 INFO L443 ceAbstractionStarter]: For program point L659-2(lines 659 667) no Hoare annotation was computed. [2019-10-15 01:20:31,872 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 640 675) no Hoare annotation was computed. [2019-10-15 01:20:31,872 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2019-10-15 01:20:31,872 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 640 675) no Hoare annotation was computed. [2019-10-15 01:20:31,873 INFO L443 ceAbstractionStarter]: For program point L647-2(lines 647 655) no Hoare annotation was computed. [2019-10-15 01:20:31,873 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 640 675) no Hoare annotation was computed. [2019-10-15 01:20:31,873 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 910 916) no Hoare annotation was computed. [2019-10-15 01:20:31,873 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 910 916) the Hoare annotation is: true [2019-10-15 01:20:31,873 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 150 195) no Hoare annotation was computed. [2019-10-15 01:20:31,873 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 150 195) no Hoare annotation was computed. [2019-10-15 01:20:31,874 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 150 195) no Hoare annotation was computed. [2019-10-15 01:20:31,874 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 497) no Hoare annotation was computed. [2019-10-15 01:20:31,874 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 477 497) no Hoare annotation was computed. [2019-10-15 01:20:31,874 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 463 508) no Hoare annotation was computed. [2019-10-15 01:20:31,874 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 463 508) no Hoare annotation was computed. [2019-10-15 01:20:31,874 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 463 508) no Hoare annotation was computed. [2019-10-15 01:20:31,874 INFO L443 ceAbstractionStarter]: For program point L483(lines 483 490) no Hoare annotation was computed. [2019-10-15 01:20:31,875 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 01:20:31,875 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-15 01:20:31,875 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-15 01:20:31,875 INFO L446 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: true [2019-10-15 01:20:31,875 INFO L443 ceAbstractionStarter]: For program point L625-1(line 625) no Hoare annotation was computed. [2019-10-15 01:20:31,875 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 620 630) the Hoare annotation is: true [2019-10-15 01:20:31,876 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 620 630) no Hoare annotation was computed. [2019-10-15 01:20:31,876 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 620 630) no Hoare annotation was computed. [2019-10-15 01:20:31,876 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 612 619) the Hoare annotation is: (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 1)) [2019-10-15 01:20:31,876 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 612 619) no Hoare annotation was computed. [2019-10-15 01:20:31,876 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 612 619) no Hoare annotation was computed. [2019-10-15 01:20:31,876 INFO L443 ceAbstractionStarter]: For program point L845(lines 845 851) no Hoare annotation was computed. [2019-10-15 01:20:31,876 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 841 854) no Hoare annotation was computed. [2019-10-15 01:20:31,877 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 841 854) the Hoare annotation is: true [2019-10-15 01:20:31,877 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 841 854) no Hoare annotation was computed. [2019-10-15 01:20:31,877 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 579 603) no Hoare annotation was computed. [2019-10-15 01:20:31,877 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 01:20:31,877 INFO L443 ceAbstractionStarter]: For program point L598-1(lines 579 603) no Hoare annotation was computed. [2019-10-15 01:20:31,878 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 579 603) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 01:20:31,878 INFO L439 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-15 01:20:31,878 INFO L439 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-15 01:20:31,878 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 595) no Hoare annotation was computed. [2019-10-15 01:20:31,878 INFO L439 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-15 01:20:31,879 INFO L443 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2019-10-15 01:20:31,879 INFO L443 ceAbstractionStarter]: For program point L583(lines 583 600) no Hoare annotation was computed. [2019-10-15 01:20:31,879 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 545 551) no Hoare annotation was computed. [2019-10-15 01:20:31,879 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 545 551) the Hoare annotation is: true [2019-10-15 01:20:31,879 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 696 759) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 01:20:31,879 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 696 759) no Hoare annotation was computed. [2019-10-15 01:20:31,879 INFO L439 ceAbstractionStarter]: At program point L752(lines 705 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 01:20:31,880 INFO L443 ceAbstractionStarter]: For program point L742(lines 742 746) no Hoare annotation was computed. [2019-10-15 01:20:31,880 INFO L439 ceAbstractionStarter]: At program point L742-2(lines 736 747) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-15 01:20:31,880 INFO L443 ceAbstractionStarter]: For program point L707(lines 706 751) no Hoare annotation was computed. [2019-10-15 01:20:31,880 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 747) no Hoare annotation was computed. [2019-10-15 01:20:31,880 INFO L439 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-15 01:20:31,880 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-10-15 01:20:31,881 INFO L443 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2019-10-15 01:20:31,881 INFO L439 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-15 01:20:31,881 INFO L439 ceAbstractionStarter]: At program point L749(lines 706 751) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-15 01:20:31,881 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-10-15 01:20:31,881 INFO L443 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2019-10-15 01:20:31,881 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2019-10-15 01:20:31,882 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 696 759) no Hoare annotation was computed. [2019-10-15 01:20:31,882 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 417 462) no Hoare annotation was computed. [2019-10-15 01:20:31,882 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 444) no Hoare annotation was computed. [2019-10-15 01:20:31,882 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 417 462) no Hoare annotation was computed. [2019-10-15 01:20:31,882 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 417 462) no Hoare annotation was computed. [2019-10-15 01:20:31,882 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 451) no Hoare annotation was computed. [2019-10-15 01:20:31,882 INFO L443 ceAbstractionStarter]: For program point L431-1(lines 431 451) no Hoare annotation was computed. [2019-10-15 01:20:31,883 INFO L443 ceAbstractionStarter]: For program point L817(lines 817 825) no Hoare annotation was computed. [2019-10-15 01:20:31,883 INFO L443 ceAbstractionStarter]: For program point L817-2(lines 817 825) no Hoare annotation was computed. [2019-10-15 01:20:31,883 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 809 831) no Hoare annotation was computed. [2019-10-15 01:20:31,883 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 809 831) no Hoare annotation was computed. [2019-10-15 01:20:31,883 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 809 831) no Hoare annotation was computed. [2019-10-15 01:20:31,883 INFO L443 ceAbstractionStarter]: For program point L384(lines 362 385) no Hoare annotation was computed. [2019-10-15 01:20:31,883 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 314 416) no Hoare annotation was computed. [2019-10-15 01:20:31,883 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 359) no Hoare annotation was computed. [2019-10-15 01:20:31,884 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 410) no Hoare annotation was computed. [2019-10-15 01:20:31,884 INFO L443 ceAbstractionStarter]: For program point L364(lines 363 383) no Hoare annotation was computed. [2019-10-15 01:20:31,884 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-15 01:20:31,884 INFO L443 ceAbstractionStarter]: For program point L395-1(line 395) no Hoare annotation was computed. [2019-10-15 01:20:31,884 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 401) no Hoare annotation was computed. [2019-10-15 01:20:31,884 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 314 416) no Hoare annotation was computed. [2019-10-15 01:20:31,884 INFO L443 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2019-10-15 01:20:31,885 INFO L443 ceAbstractionStarter]: For program point L379-1(line 379) no Hoare annotation was computed. [2019-10-15 01:20:31,885 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 342) no Hoare annotation was computed. [2019-10-15 01:20:31,885 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-15 01:20:31,885 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 314 416) no Hoare annotation was computed. [2019-10-15 01:20:31,885 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 369) no Hoare annotation was computed. [2019-10-15 01:20:31,885 INFO L443 ceAbstractionStarter]: For program point L363-2(lines 363 383) no Hoare annotation was computed. [2019-10-15 01:20:31,885 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 900 909) no Hoare annotation was computed. [2019-10-15 01:20:31,886 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 900 909) no Hoare annotation was computed. [2019-10-15 01:20:31,886 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 900 909) no Hoare annotation was computed. [2019-10-15 01:20:31,886 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:31,886 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-15 01:20:31,886 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:31,886 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 604 611) no Hoare annotation was computed. [2019-10-15 01:20:31,886 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 604 611) no Hoare annotation was computed. [2019-10-15 01:20:31,887 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 604 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 01:20:31,887 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 676 694) no Hoare annotation was computed. [2019-10-15 01:20:31,887 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2019-10-15 01:20:31,887 INFO L446 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: true [2019-10-15 01:20:31,887 INFO L443 ceAbstractionStarter]: For program point L685-2(lines 685 689) no Hoare annotation was computed. [2019-10-15 01:20:31,887 INFO L443 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2019-10-15 01:20:31,888 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 676 694) the Hoare annotation is: true [2019-10-15 01:20:31,888 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 676 694) no Hoare annotation was computed. [2019-10-15 01:20:31,888 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 832 840) the Hoare annotation is: true [2019-10-15 01:20:31,888 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 832 840) no Hoare annotation was computed. [2019-10-15 01:20:31,888 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 832 840) no Hoare annotation was computed. [2019-10-15 01:20:31,888 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 788 799) the Hoare annotation is: true [2019-10-15 01:20:31,888 INFO L443 ceAbstractionStarter]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2019-10-15 01:20:31,889 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 788 799) no Hoare annotation was computed. [2019-10-15 01:20:31,889 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:31,889 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:31,889 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:31,889 INFO L439 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2) (or .cse3 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (<= 1 ~waterLevel~0)) (or (and .cse4 (= ~pumpRunning~0 1)) .cse3 .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse4)))) [2019-10-15 01:20:31,890 INFO L439 ceAbstractionStarter]: At program point L532(lines 532 538) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (< ~waterLevel~0 2)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse9 .cse10)) (.cse5 (and .cse4 .cse9 .cse10))) (and (or .cse0 .cse1 (<= 1 ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse2 .cse3 (and (<= 2 ~waterLevel~0) (< ~waterLevel~0 3) .cse4) .cse1 .cse5 .cse6) (let ((.cse7 (<= ~waterLevel~0 1))) (or (and .cse7 .cse4) (and .cse7 .cse8) .cse0 .cse1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse5 .cse6)))) [2019-10-15 01:20:31,890 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 521 544) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse2 (< ~waterLevel~0 3)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4))) (and (or .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 0) .cse3) .cse4) (or .cse5 .cse1 (and .cse2 (= ~pumpRunning~0 1) .cse3)) (or .cse6 .cse0 .cse4 (<= ~waterLevel~0 1)) (or .cse6 .cse5 (< ~waterLevel~0 2))))) [2019-10-15 01:20:31,890 INFO L439 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (< ~waterLevel~0 2)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2)))) [2019-10-15 01:20:31,890 INFO L443 ceAbstractionStarter]: For program point L525(lines 524 543) no Hoare annotation was computed. [2019-10-15 01:20:31,890 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 521 544) no Hoare annotation was computed. [2019-10-15 01:20:31,891 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 521 544) no Hoare annotation was computed. [2019-10-15 01:20:31,891 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-15 01:20:31,891 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-15 01:20:31,891 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-15 01:20:31,891 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-15 01:20:31,891 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-15 01:20:31,891 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-15 01:20:31,892 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-15 01:20:31,892 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-15 01:20:31,892 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-15 01:20:31,892 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-15 01:20:31,892 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 800 808) the Hoare annotation is: true [2019-10-15 01:20:31,892 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 800 808) no Hoare annotation was computed. [2019-10-15 01:20:31,892 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 800 808) no Hoare annotation was computed. [2019-10-15 01:20:31,893 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 865 897) no Hoare annotation was computed. [2019-10-15 01:20:31,893 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 865 897) the Hoare annotation is: true [2019-10-15 01:20:31,893 INFO L439 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (< ~waterLevel~0 3)) (not (= 1 ~pumpRunning~0)) .cse0))) [2019-10-15 01:20:31,893 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2019-10-15 01:20:31,893 INFO L439 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2019-10-15 01:20:31,894 INFO L443 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2019-10-15 01:20:31,894 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 893) no Hoare annotation was computed. [2019-10-15 01:20:31,894 INFO L443 ceAbstractionStarter]: For program point L880-1(lines 865 897) no Hoare annotation was computed. [2019-10-15 01:20:31,894 INFO L446 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2019-10-15 01:20:31,894 INFO L443 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2019-10-15 01:20:31,894 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2019-10-15 01:20:31,894 INFO L446 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2019-10-15 01:20:31,895 INFO L443 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2019-10-15 01:20:31,895 INFO L443 ceAbstractionStarter]: For program point L768-1(lines 764 775) no Hoare annotation was computed. [2019-10-15 01:20:31,895 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 764 775) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (< |old(~waterLevel~0)| 3))) (.cse1 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1 (<= ~waterLevel~0 1)) (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse1) (or .cse0 .cse2 .cse1 (< ~waterLevel~0 3)))) [2019-10-15 01:20:31,895 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 764 775) no Hoare annotation was computed. [2019-10-15 01:20:31,895 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-15 01:20:31,895 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-15 01:20:31,896 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:31,896 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-10-15 01:20:31,896 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:31,896 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:31,896 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 553 577) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 01:20:31,897 INFO L439 ceAbstractionStarter]: At program point L572(line 572) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-15 01:20:31,897 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 553 577) no Hoare annotation was computed. [2019-10-15 01:20:31,897 INFO L443 ceAbstractionStarter]: For program point L572-1(lines 553 577) no Hoare annotation was computed. [2019-10-15 01:20:31,897 INFO L439 ceAbstractionStarter]: At program point L567(line 567) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (< ~waterLevel~0 3)) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 01:20:31,897 INFO L439 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (and (let ((.cse0 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (< ~waterLevel~0 2)) (not (< ~waterLevel~0 3)) .cse1 (and (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~4) .cse0))) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2019-10-15 01:20:31,898 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 569) no Hoare annotation was computed. [2019-10-15 01:20:31,898 INFO L439 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 01:20:31,898 INFO L443 ceAbstractionStarter]: For program point L559-1(line 559) no Hoare annotation was computed. [2019-10-15 01:20:31,898 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 574) no Hoare annotation was computed. [2019-10-15 01:20:31,898 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 776 787) no Hoare annotation was computed. [2019-10-15 01:20:31,898 INFO L443 ceAbstractionStarter]: For program point L780-1(lines 776 787) no Hoare annotation was computed. [2019-10-15 01:20:31,899 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 776 787) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse1) (< ~waterLevel~0 2)) (or (not (< |old(~waterLevel~0)| 3)) .cse0 .cse1 (and (< ~waterLevel~0 3) .cse2)) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse1 (and (<= ~waterLevel~0 1) .cse2)))) [2019-10-15 01:20:31,899 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 856 863) no Hoare annotation was computed. [2019-10-15 01:20:31,899 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2019-10-15 01:20:31,899 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2019-10-15 01:20:31,899 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2019-10-15 01:20:31,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:31 BoogieIcfgContainer [2019-10-15 01:20:31,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:31,915 INFO L168 Benchmark]: Toolchain (without parser) took 14591.95 ms. Allocated memory was 138.4 MB in the beginning and 417.9 MB in the end (delta: 279.4 MB). Free memory was 101.9 MB in the beginning and 87.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 294.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:31,916 INFO L168 Benchmark]: CDTParser took 1.16 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:31,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.95 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 101.7 MB in the beginning and 172.0 MB in the end (delta: -70.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:31,918 INFO L168 Benchmark]: Boogie Preprocessor took 88.55 ms. Allocated memory is still 203.4 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. [2019-10-15 01:20:31,919 INFO L168 Benchmark]: RCFGBuilder took 1210.28 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 167.9 MB in the beginning and 198.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:31,920 INFO L168 Benchmark]: TraceAbstraction took 12527.65 ms. Allocated memory was 236.5 MB in the beginning and 417.9 MB in the end (delta: 181.4 MB). Free memory was 198.9 MB in the beginning and 87.4 MB in the end (delta: 111.5 MB). Peak memory consumption was 293.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:31,923 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 760.95 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 101.7 MB in the beginning and 172.0 MB in the end (delta: -70.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.55 ms. Allocated memory is still 203.4 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 1210.28 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 167.9 MB in the beginning and 198.9 MB in the end (delta: -31.0 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12527.65 ms. Allocated memory was 236.5 MB in the beginning and 417.9 MB in the end (delta: 181.4 MB). Free memory was 198.9 MB in the beginning and 87.4 MB in the end (delta: 111.5 MB). Peak memory consumption was 293.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: 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: 706]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 1) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && waterLevel <= 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 228 locations, 1 error locations. Result: SAFE, OverallTime: 12.4s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, HoareTripleCheckerStatistics: 1739 SDtfs, 1404 SDslu, 4991 SDs, 0 SdLazy, 1887 SolverSat, 514 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 645 GetRequests, 546 SyntacticMatches, 8 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=821occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 150 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 1614 PreInvPairs, 1722 NumberOfFragments, 1250 HoareAnnotationTreeSize, 1614 FomulaSimplifications, 2551 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 59 FomulaSimplificationsInter, 13218 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1205 NumberOfCodeBlocks, 1205 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1458 ConstructedInterpolants, 0 QuantifiedInterpolants, 268295 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1675 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 170/180 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...