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_spec2_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:46,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:46,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:46,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:46,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:46,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:46,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:46,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:46,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:46,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:46,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:46,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:46,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:46,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:46,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:46,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:46,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:46,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:46,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:46,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:46,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:46,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:46,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:46,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:46,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:46,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:46,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:46,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:46,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:46,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:46,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:46,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:46,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:46,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:46,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:46,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:46,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:46,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:46,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:46,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:46,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:46,152 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 01:19:46,171 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:46,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:46,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:46,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:46,173 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:46,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:46,174 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:46,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:46,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:46,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:46,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:46,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:46,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:46,176 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:46,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:46,177 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:46,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:46,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:46,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:46,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:46,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:46,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:46,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:46,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:46,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:46,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:46,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:46,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:46,179 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 01:19:46,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:46,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:46,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:46,500 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:46,500 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:46,501 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2019-10-15 01:19:46,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9468a55ad/4af40d1f8fc143a9bbb7358900e6c1ae/FLAGe755c6553 [2019-10-15 01:19:47,196 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:47,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2019-10-15 01:19:47,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9468a55ad/4af40d1f8fc143a9bbb7358900e6c1ae/FLAGe755c6553 [2019-10-15 01:19:47,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9468a55ad/4af40d1f8fc143a9bbb7358900e6c1ae [2019-10-15 01:19:47,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:47,466 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:47,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:47,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:47,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:47,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:47" (1/1) ... [2019-10-15 01:19:47,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792e7e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:47, skipping insertion in model container [2019-10-15 01:19:47,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:47" (1/1) ... [2019-10-15 01:19:47,483 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:47,550 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:47,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:47,987 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:48,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:48,133 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:48,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48 WrapperNode [2019-10-15 01:19:48,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:48,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:48,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:48,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:48,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... [2019-10-15 01:19:48,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... [2019-10-15 01:19:48,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... [2019-10-15 01:19:48,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... [2019-10-15 01:19:48,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... [2019-10-15 01:19:48,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... [2019-10-15 01:19:48,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... [2019-10-15 01:19:48,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:48,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:48,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:48,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:48,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:19:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:19:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:19:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:19:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:48,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:19:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:19:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:19:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:19:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:49,342 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:49,344 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:49,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:49 BoogieIcfgContainer [2019-10-15 01:19:49,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:49,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:49,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:49,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:49,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:47" (1/3) ... [2019-10-15 01:19:49,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a655476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:49, skipping insertion in model container [2019-10-15 01:19:49,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:48" (2/3) ... [2019-10-15 01:19:49,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a655476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:49, skipping insertion in model container [2019-10-15 01:19:49,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:49" (3/3) ... [2019-10-15 01:19:49,356 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2019-10-15 01:19:49,366 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:49,377 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:49,389 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:49,422 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:49,422 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:49,422 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:49,422 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:49,423 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:49,423 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:49,423 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:49,423 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2019-10-15 01:19:49,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:19:49,455 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:49,456 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] [2019-10-15 01:19:49,458 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:49,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:49,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1550424879, now seen corresponding path program 1 times [2019-10-15 01:19:49,475 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:49,475 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390911156] [2019-10-15 01:19:49,476 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,476 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:49,793 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 01:19:49,794 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390911156] [2019-10-15 01:19:49,795 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:49,797 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:49,799 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196977994] [2019-10-15 01:19:49,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:49,808 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:49,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:49,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:49,827 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2019-10-15 01:19:49,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:49,880 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2019-10-15 01:19:49,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:49,881 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:19:49,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:49,896 INFO L225 Difference]: With dead ends: 274 [2019-10-15 01:19:49,896 INFO L226 Difference]: Without dead ends: 139 [2019-10-15 01:19:49,901 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 01:19:49,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-10-15 01:19:49,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2019-10-15 01:19:49,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-15 01:19:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2019-10-15 01:19:49,958 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 51 [2019-10-15 01:19:49,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:49,959 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2019-10-15 01:19:49,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:49,959 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2019-10-15 01:19:49,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:19:49,964 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:49,964 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 01:19:49,964 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:49,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:49,965 INFO L82 PathProgramCache]: Analyzing trace with hash 2147140265, now seen corresponding path program 1 times [2019-10-15 01:19:49,965 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:49,965 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201268151] [2019-10-15 01:19:49,966 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,966 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:50,122 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 01:19:50,123 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201268151] [2019-10-15 01:19:50,123 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:50,123 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:50,123 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852014937] [2019-10-15 01:19:50,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:50,127 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:50,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:50,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:50,128 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2019-10-15 01:19:50,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:50,182 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2019-10-15 01:19:50,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:50,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:19:50,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:50,187 INFO L225 Difference]: With dead ends: 219 [2019-10-15 01:19:50,187 INFO L226 Difference]: Without dead ends: 130 [2019-10-15 01:19:50,188 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 01:19:50,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-10-15 01:19:50,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-10-15 01:19:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-10-15 01:19:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2019-10-15 01:19:50,220 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 52 [2019-10-15 01:19:50,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:50,220 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2019-10-15 01:19:50,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2019-10-15 01:19:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:19:50,223 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:50,224 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 01:19:50,224 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:50,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:50,224 INFO L82 PathProgramCache]: Analyzing trace with hash 871775649, now seen corresponding path program 1 times [2019-10-15 01:19:50,225 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:50,225 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713054752] [2019-10-15 01:19:50,225 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,225 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:50,410 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 01:19:50,411 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713054752] [2019-10-15 01:19:50,412 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:50,412 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:50,412 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966688288] [2019-10-15 01:19:50,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:50,415 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:50,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:50,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:50,416 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2019-10-15 01:19:50,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:50,839 INFO L93 Difference]: Finished difference Result 232 states and 277 transitions. [2019-10-15 01:19:50,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:50,840 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-15 01:19:50,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:50,843 INFO L225 Difference]: With dead ends: 232 [2019-10-15 01:19:50,843 INFO L226 Difference]: Without dead ends: 130 [2019-10-15 01:19:50,845 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 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 01:19:50,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-10-15 01:19:50,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-10-15 01:19:50,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-10-15 01:19:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2019-10-15 01:19:50,861 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 57 [2019-10-15 01:19:50,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:50,861 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2019-10-15 01:19:50,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2019-10-15 01:19:50,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-15 01:19:50,865 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:50,865 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 01:19:50,866 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:50,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:50,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1442711131, now seen corresponding path program 1 times [2019-10-15 01:19:50,867 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:50,867 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720815536] [2019-10-15 01:19:50,867 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,867 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:51,041 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 01:19:51,042 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720815536] [2019-10-15 01:19:51,042 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:51,042 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:19:51,042 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239294906] [2019-10-15 01:19:51,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:19:51,043 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:51,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:19:51,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:19:51,044 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 5 states. [2019-10-15 01:19:51,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:51,570 INFO L93 Difference]: Finished difference Result 340 states and 412 transitions. [2019-10-15 01:19:51,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:51,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-15 01:19:51,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:51,577 INFO L225 Difference]: With dead ends: 340 [2019-10-15 01:19:51,578 INFO L226 Difference]: Without dead ends: 238 [2019-10-15 01:19:51,580 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 01:19:51,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2019-10-15 01:19:51,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 219. [2019-10-15 01:19:51,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-10-15 01:19:51,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 251 transitions. [2019-10-15 01:19:51,635 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 251 transitions. Word has length 70 [2019-10-15 01:19:51,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:51,636 INFO L462 AbstractCegarLoop]: Abstraction has 219 states and 251 transitions. [2019-10-15 01:19:51,636 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:19:51,636 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 251 transitions. [2019-10-15 01:19:51,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-15 01:19:51,643 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:51,644 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 01:19:51,644 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:51,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:51,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1583652076, now seen corresponding path program 1 times [2019-10-15 01:19:51,645 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:51,645 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466458581] [2019-10-15 01:19:51,645 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,647 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:51,778 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 01:19:51,779 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466458581] [2019-10-15 01:19:51,779 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:51,779 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:51,779 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134633771] [2019-10-15 01:19:51,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:51,780 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:51,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:51,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:51,781 INFO L87 Difference]: Start difference. First operand 219 states and 251 transitions. Second operand 6 states. [2019-10-15 01:19:52,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:52,021 INFO L93 Difference]: Finished difference Result 583 states and 689 transitions. [2019-10-15 01:19:52,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:52,021 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-15 01:19:52,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:52,028 INFO L225 Difference]: With dead ends: 583 [2019-10-15 01:19:52,028 INFO L226 Difference]: Without dead ends: 392 [2019-10-15 01:19:52,030 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 01:19:52,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-10-15 01:19:52,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 386. [2019-10-15 01:19:52,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2019-10-15 01:19:52,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 442 transitions. [2019-10-15 01:19:52,090 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 442 transitions. Word has length 84 [2019-10-15 01:19:52,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:52,092 INFO L462 AbstractCegarLoop]: Abstraction has 386 states and 442 transitions. [2019-10-15 01:19:52,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:52,092 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 442 transitions. [2019-10-15 01:19:52,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:19:52,096 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:52,096 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 01:19:52,096 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:52,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:52,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1422526648, now seen corresponding path program 1 times [2019-10-15 01:19:52,097 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:52,097 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359738748] [2019-10-15 01:19:52,098 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:52,098 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:52,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:52,233 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 01:19:52,233 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359738748] [2019-10-15 01:19:52,234 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:52,234 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:52,235 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761761838] [2019-10-15 01:19:52,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:52,236 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:52,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:52,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:52,237 INFO L87 Difference]: Start difference. First operand 386 states and 442 transitions. Second operand 7 states. [2019-10-15 01:19:52,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:52,927 INFO L93 Difference]: Finished difference Result 775 states and 912 transitions. [2019-10-15 01:19:52,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:52,929 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2019-10-15 01:19:52,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:52,934 INFO L225 Difference]: With dead ends: 775 [2019-10-15 01:19:52,934 INFO L226 Difference]: Without dead ends: 417 [2019-10-15 01:19:52,935 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:19:52,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-10-15 01:19:52,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 385. [2019-10-15 01:19:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-10-15 01:19:52,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 439 transitions. [2019-10-15 01:19:52,960 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 439 transitions. Word has length 88 [2019-10-15 01:19:52,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:52,961 INFO L462 AbstractCegarLoop]: Abstraction has 385 states and 439 transitions. [2019-10-15 01:19:52,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:52,961 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 439 transitions. [2019-10-15 01:19:52,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:19:52,963 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:52,963 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:52,963 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:52,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:52,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1956386739, now seen corresponding path program 1 times [2019-10-15 01:19:52,964 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:52,964 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434801969] [2019-10-15 01:19:52,964 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:52,965 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:52,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:53,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:53,036 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434801969] [2019-10-15 01:19:53,036 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:53,037 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:53,037 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941389496] [2019-10-15 01:19:53,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:53,038 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:53,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:53,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:53,038 INFO L87 Difference]: Start difference. First operand 385 states and 439 transitions. Second operand 6 states. [2019-10-15 01:19:53,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:53,081 INFO L93 Difference]: Finished difference Result 756 states and 882 transitions. [2019-10-15 01:19:53,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:53,084 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2019-10-15 01:19:53,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:53,088 INFO L225 Difference]: With dead ends: 756 [2019-10-15 01:19:53,088 INFO L226 Difference]: Without dead ends: 399 [2019-10-15 01:19:53,089 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:53,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2019-10-15 01:19:53,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 395. [2019-10-15 01:19:53,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-10-15 01:19:53,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 449 transitions. [2019-10-15 01:19:53,124 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 449 transitions. Word has length 104 [2019-10-15 01:19:53,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:53,125 INFO L462 AbstractCegarLoop]: Abstraction has 395 states and 449 transitions. [2019-10-15 01:19:53,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:53,126 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 449 transitions. [2019-10-15 01:19:53,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:19:53,131 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:53,131 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:53,131 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:53,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:53,133 INFO L82 PathProgramCache]: Analyzing trace with hash -28114037, now seen corresponding path program 1 times [2019-10-15 01:19:53,136 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:53,136 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580799129] [2019-10-15 01:19:53,136 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:53,137 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:53,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:53,262 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580799129] [2019-10-15 01:19:53,262 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:53,263 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:53,263 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726634377] [2019-10-15 01:19:53,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:53,264 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:53,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:53,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:53,266 INFO L87 Difference]: Start difference. First operand 395 states and 449 transitions. Second operand 8 states. [2019-10-15 01:19:53,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:53,317 INFO L93 Difference]: Finished difference Result 776 states and 904 transitions. [2019-10-15 01:19:53,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:53,317 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2019-10-15 01:19:53,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:53,321 INFO L225 Difference]: With dead ends: 776 [2019-10-15 01:19:53,322 INFO L226 Difference]: Without dead ends: 409 [2019-10-15 01:19:53,324 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:53,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-10-15 01:19:53,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 403. [2019-10-15 01:19:53,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2019-10-15 01:19:53,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 457 transitions. [2019-10-15 01:19:53,348 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 457 transitions. Word has length 104 [2019-10-15 01:19:53,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:53,349 INFO L462 AbstractCegarLoop]: Abstraction has 403 states and 457 transitions. [2019-10-15 01:19:53,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 457 transitions. [2019-10-15 01:19:53,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:19:53,352 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:53,352 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:53,353 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:53,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:53,353 INFO L82 PathProgramCache]: Analyzing trace with hash -268654166, now seen corresponding path program 1 times [2019-10-15 01:19:53,353 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:53,354 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515261728] [2019-10-15 01:19:53,354 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:53,354 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:53,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:53,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:53,481 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515261728] [2019-10-15 01:19:53,482 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:53,482 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:53,483 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427448194] [2019-10-15 01:19:53,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:53,484 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:53,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:53,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:53,485 INFO L87 Difference]: Start difference. First operand 403 states and 457 transitions. Second operand 4 states. [2019-10-15 01:19:53,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:53,768 INFO L93 Difference]: Finished difference Result 1188 states and 1416 transitions. [2019-10-15 01:19:53,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:53,768 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2019-10-15 01:19:53,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:53,775 INFO L225 Difference]: With dead ends: 1188 [2019-10-15 01:19:53,775 INFO L226 Difference]: Without dead ends: 813 [2019-10-15 01:19:53,777 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:53,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2019-10-15 01:19:53,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 798. [2019-10-15 01:19:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2019-10-15 01:19:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 931 transitions. [2019-10-15 01:19:53,837 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 931 transitions. Word has length 104 [2019-10-15 01:19:53,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:53,838 INFO L462 AbstractCegarLoop]: Abstraction has 798 states and 931 transitions. [2019-10-15 01:19:53,838 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:53,838 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 931 transitions. [2019-10-15 01:19:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:19:53,842 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:53,843 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:53,843 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:53,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:53,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1852641244, now seen corresponding path program 1 times [2019-10-15 01:19:53,844 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:53,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001784320] [2019-10-15 01:19:53,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:53,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:53,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:53,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:53,995 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001784320] [2019-10-15 01:19:53,996 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752534115] [2019-10-15 01:19:53,996 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 01:19:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:54,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:54,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:54,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:54,441 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:55,433 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:55,434 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:55,434 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729181589] [2019-10-15 01:19:55,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:55,435 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:55,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:55,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:55,436 INFO L87 Difference]: Start difference. First operand 798 states and 931 transitions. Second operand 8 states. [2019-10-15 01:19:55,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:55,890 INFO L93 Difference]: Finished difference Result 1539 states and 1806 transitions. [2019-10-15 01:19:55,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:55,891 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-15 01:19:55,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:55,896 INFO L225 Difference]: With dead ends: 1539 [2019-10-15 01:19:55,896 INFO L226 Difference]: Without dead ends: 769 [2019-10-15 01:19:55,899 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 199 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:55,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2019-10-15 01:19:55,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 769. [2019-10-15 01:19:55,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2019-10-15 01:19:55,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 883 transitions. [2019-10-15 01:19:55,948 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 883 transitions. Word has length 108 [2019-10-15 01:19:55,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:55,949 INFO L462 AbstractCegarLoop]: Abstraction has 769 states and 883 transitions. [2019-10-15 01:19:55,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:55,949 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 883 transitions. [2019-10-15 01:19:55,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-15 01:19:55,954 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:55,954 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:19:56,160 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:56,160 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:56,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:56,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1336201265, now seen corresponding path program 1 times [2019-10-15 01:19:56,161 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:56,161 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243648049] [2019-10-15 01:19:56,162 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:56,162 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:56,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:56,377 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-15 01:19:56,377 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243648049] [2019-10-15 01:19:56,378 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614462665] [2019-10-15 01:19:56,378 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 01:19:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:56,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:19:56,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 01:19:56,733 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:57,001 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-15 01:19:57,002 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:57,002 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2019-10-15 01:19:57,002 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896186161] [2019-10-15 01:19:57,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:19:57,004 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:57,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:19:57,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:57,005 INFO L87 Difference]: Start difference. First operand 769 states and 883 transitions. Second operand 5 states. [2019-10-15 01:19:57,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:57,625 INFO L93 Difference]: Finished difference Result 1614 states and 1954 transitions. [2019-10-15 01:19:57,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:57,625 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2019-10-15 01:19:57,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:57,632 INFO L225 Difference]: With dead ends: 1614 [2019-10-15 01:19:57,633 INFO L226 Difference]: Without dead ends: 1001 [2019-10-15 01:19:57,636 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 328 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:19:57,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2019-10-15 01:19:57,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 933. [2019-10-15 01:19:57,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2019-10-15 01:19:57,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1092 transitions. [2019-10-15 01:19:57,724 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1092 transitions. Word has length 164 [2019-10-15 01:19:57,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:57,725 INFO L462 AbstractCegarLoop]: Abstraction has 933 states and 1092 transitions. [2019-10-15 01:19:57,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:19:57,725 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1092 transitions. [2019-10-15 01:19:57,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-15 01:19:57,732 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:57,732 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:57,939 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:57,940 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:57,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:57,940 INFO L82 PathProgramCache]: Analyzing trace with hash 760447467, now seen corresponding path program 1 times [2019-10-15 01:19:57,941 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:57,941 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323401752] [2019-10-15 01:19:57,941 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:57,941 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:57,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:58,219 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 01:19:58,219 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323401752] [2019-10-15 01:19:58,219 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155062358] [2019-10-15 01:19:58,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:58,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:58,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:58,936 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:19:58,937 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:59,652 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 01:19:59,653 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:59,654 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:59,654 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297793101] [2019-10-15 01:19:59,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:59,655 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:59,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:59,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:59,657 INFO L87 Difference]: Start difference. First operand 933 states and 1092 transitions. Second operand 8 states. [2019-10-15 01:19:59,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:59,932 INFO L93 Difference]: Finished difference Result 1619 states and 1919 transitions. [2019-10-15 01:19:59,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:59,932 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2019-10-15 01:19:59,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:59,933 INFO L225 Difference]: With dead ends: 1619 [2019-10-15 01:19:59,933 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:59,938 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 305 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:59,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:59,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:59,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:59,942 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2019-10-15 01:19:59,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:59,943 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:59,943 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:59,943 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:59,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:00,156 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:00,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:01,294 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 16 [2019-10-15 01:20:01,774 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2019-10-15 01:20:01,988 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2019-10-15 01:20:02,159 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 19 [2019-10-15 01:20:02,349 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2019-10-15 01:20:02,543 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-15 01:20:02,645 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2019-10-15 01:20:03,227 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-10-15 01:20:03,572 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-10-15 01:20:03,702 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 19 [2019-10-15 01:20:04,007 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2019-10-15 01:20:04,143 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-15 01:20:04,730 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2019-10-15 01:20:04,837 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 23 [2019-10-15 01:20:05,656 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2019-10-15 01:20:05,863 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 165) no Hoare annotation was computed. [2019-10-15 01:20:05,864 INFO L443 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2019-10-15 01:20:05,864 INFO L443 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-10-15 01:20:05,864 INFO L443 ceAbstractionStarter]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2019-10-15 01:20:05,864 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2019-10-15 01:20:05,864 INFO L443 ceAbstractionStarter]: For program point L177(lines 154 178) no Hoare annotation was computed. [2019-10-15 01:20:05,864 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2019-10-15 01:20:05,865 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2019-10-15 01:20:05,865 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-10-15 01:20:05,865 INFO L443 ceAbstractionStarter]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2019-10-15 01:20:05,865 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2019-10-15 01:20:05,865 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-10-15 01:20:05,865 INFO L443 ceAbstractionStarter]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2019-10-15 01:20:05,865 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2019-10-15 01:20:05,865 INFO L443 ceAbstractionStarter]: For program point L238(lines 211 239) no Hoare annotation was computed. [2019-10-15 01:20:05,865 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2019-10-15 01:20:05,866 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-15 01:20:05,866 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-10-15 01:20:05,866 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-15 01:20:05,866 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-15 01:20:05,866 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-15 01:20:05,866 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-15 01:20:05,866 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-15 01:20:05,868 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 622 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:05,868 INFO L439 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 1) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:05,869 INFO L439 ceAbstractionStarter]: At program point L634-1(line 634) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 1) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:05,869 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2019-10-15 01:20:05,869 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 639) no Hoare annotation was computed. [2019-10-15 01:20:05,869 INFO L443 ceAbstractionStarter]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2019-10-15 01:20:05,870 INFO L443 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2019-10-15 01:20:05,870 INFO L439 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:05,870 INFO L439 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:05,870 INFO L439 ceAbstractionStarter]: At program point L628-1(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:05,870 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 622 644) no Hoare annotation was computed. [2019-10-15 01:20:05,870 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 578 601) no Hoare annotation was computed. [2019-10-15 01:20:05,871 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 578 601) no Hoare annotation was computed. [2019-10-15 01:20:05,871 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 578 601) no Hoare annotation was computed. [2019-10-15 01:20:05,871 INFO L443 ceAbstractionStarter]: For program point L596(line 596) no Hoare annotation was computed. [2019-10-15 01:20:05,871 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-15 01:20:05,872 INFO L443 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2019-10-15 01:20:05,872 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-10-15 01:20:05,872 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-15 01:20:05,872 INFO L443 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2019-10-15 01:20:05,872 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-10-15 01:20:05,872 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-15 01:20:05,872 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-15 01:20:05,872 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-15 01:20:05,872 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-15 01:20:05,873 INFO L443 ceAbstractionStarter]: For program point L585(line 585) no Hoare annotation was computed. [2019-10-15 01:20:05,873 INFO L443 ceAbstractionStarter]: For program point L584(line 584) no Hoare annotation was computed. [2019-10-15 01:20:05,873 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-15 01:20:05,873 INFO L439 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-15 01:20:05,873 INFO L443 ceAbstractionStarter]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2019-10-15 01:20:05,873 INFO L439 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~4 0) (= ~pumpRunning~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0 .cse3) (or .cse3 .cse0 .cse1))) [2019-10-15 01:20:05,874 INFO L439 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:05,874 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2019-10-15 01:20:05,874 INFO L439 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0))) [2019-10-15 01:20:05,874 INFO L443 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2019-10-15 01:20:05,874 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2019-10-15 01:20:05,874 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 686 710) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:05,874 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 686 710) no Hoare annotation was computed. [2019-10-15 01:20:05,875 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 781 789) no Hoare annotation was computed. [2019-10-15 01:20:05,875 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 781 789) the Hoare annotation is: true [2019-10-15 01:20:05,875 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 781 789) no Hoare annotation was computed. [2019-10-15 01:20:05,875 INFO L443 ceAbstractionStarter]: For program point L797(lines 797 805) no Hoare annotation was computed. [2019-10-15 01:20:05,875 INFO L443 ceAbstractionStarter]: For program point L797-2(lines 797 805) no Hoare annotation was computed. [2019-10-15 01:20:05,875 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-15 01:20:05,875 INFO L443 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2019-10-15 01:20:05,875 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 790 825) no Hoare annotation was computed. [2019-10-15 01:20:05,875 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 817) no Hoare annotation was computed. [2019-10-15 01:20:05,876 INFO L443 ceAbstractionStarter]: For program point L809-2(lines 809 817) no Hoare annotation was computed. [2019-10-15 01:20:05,876 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 790 825) no Hoare annotation was computed. [2019-10-15 01:20:05,876 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 790 825) no Hoare annotation was computed. [2019-10-15 01:20:05,876 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-15 01:20:05,876 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-15 01:20:05,876 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2019-10-15 01:20:05,876 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2019-10-15 01:20:05,876 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2019-10-15 01:20:05,877 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 424) no Hoare annotation was computed. [2019-10-15 01:20:05,877 INFO L443 ceAbstractionStarter]: For program point L411(lines 411 431) no Hoare annotation was computed. [2019-10-15 01:20:05,877 INFO L443 ceAbstractionStarter]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2019-10-15 01:20:05,877 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2019-10-15 01:20:05,877 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2019-10-15 01:20:05,877 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2019-10-15 01:20:05,877 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 611 621) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:05,877 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 611 621) no Hoare annotation was computed. [2019-10-15 01:20:05,878 INFO L439 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:05,878 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 611 621) no Hoare annotation was computed. [2019-10-15 01:20:05,878 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 770 780) the Hoare annotation is: true [2019-10-15 01:20:05,878 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 770 780) no Hoare annotation was computed. [2019-10-15 01:20:05,878 INFO L446 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2019-10-15 01:20:05,878 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 770 780) no Hoare annotation was computed. [2019-10-15 01:20:05,878 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-10-15 01:20:05,878 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 762 769) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0 .cse2))) [2019-10-15 01:20:05,879 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2019-10-15 01:20:05,879 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2019-10-15 01:20:05,879 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2019-10-15 01:20:05,879 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2019-10-15 01:20:05,879 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2019-10-15 01:20:05,879 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2019-10-15 01:20:05,879 INFO L439 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse3 .cse4 .cse0))) [2019-10-15 01:20:05,879 INFO L443 ceAbstractionStarter]: For program point L731-1(lines 712 736) no Hoare annotation was computed. [2019-10-15 01:20:05,880 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 712 736) no Hoare annotation was computed. [2019-10-15 01:20:05,880 INFO L439 ceAbstractionStarter]: At program point L726(line 726) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-10-15 01:20:05,880 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 712 736) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:05,880 INFO L439 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2) (or .cse3 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse4) .cse1))) [2019-10-15 01:20:05,880 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 728) no Hoare annotation was computed. [2019-10-15 01:20:05,880 INFO L439 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse2 .cse1 .cse4))) [2019-10-15 01:20:05,881 INFO L443 ceAbstractionStarter]: For program point L718-1(line 718) no Hoare annotation was computed. [2019-10-15 01:20:05,881 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 733) no Hoare annotation was computed. [2019-10-15 01:20:05,881 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 678 684) no Hoare annotation was computed. [2019-10-15 01:20:05,881 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 678 684) the Hoare annotation is: true [2019-10-15 01:20:05,881 INFO L439 ceAbstractionStarter]: At program point L960(lines 911 961) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:05,881 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 902 967) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:05,881 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 902 967) no Hoare annotation was computed. [2019-10-15 01:20:05,882 INFO L443 ceAbstractionStarter]: For program point L950(lines 950 954) no Hoare annotation was computed. [2019-10-15 01:20:05,882 INFO L439 ceAbstractionStarter]: At program point L950-2(lines 942 955) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:05,882 INFO L443 ceAbstractionStarter]: For program point L913(lines 912 959) no Hoare annotation was computed. [2019-10-15 01:20:05,882 INFO L439 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:05,882 INFO L443 ceAbstractionStarter]: For program point L942(lines 942 955) no Hoare annotation was computed. [2019-10-15 01:20:05,882 INFO L439 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)))) [2019-10-15 01:20:05,882 INFO L443 ceAbstractionStarter]: For program point L932(lines 932 938) no Hoare annotation was computed. [2019-10-15 01:20:05,883 INFO L443 ceAbstractionStarter]: For program point L932-1(lines 932 938) no Hoare annotation was computed. [2019-10-15 01:20:05,883 INFO L439 ceAbstractionStarter]: At program point L957(lines 912 959) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)))) [2019-10-15 01:20:05,883 INFO L439 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 .cse1 (= ~pumpRunning~0 0))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:20:05,883 INFO L443 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2019-10-15 01:20:05,883 INFO L443 ceAbstractionStarter]: For program point L922-1(lines 922 928) no Hoare annotation was computed. [2019-10-15 01:20:05,883 INFO L443 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2019-10-15 01:20:05,883 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 902 967) no Hoare annotation was computed. [2019-10-15 01:20:05,884 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2019-10-15 01:20:05,884 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2019-10-15 01:20:05,884 INFO L443 ceAbstractionStarter]: For program point L371(lines 371 378) no Hoare annotation was computed. [2019-10-15 01:20:05,884 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2019-10-15 01:20:05,884 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 385) no Hoare annotation was computed. [2019-10-15 01:20:05,884 INFO L443 ceAbstractionStarter]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2019-10-15 01:20:05,884 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 737 744) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:20:05,884 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 737 744) no Hoare annotation was computed. [2019-10-15 01:20:05,884 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 737 744) no Hoare annotation was computed. [2019-10-15 01:20:05,885 INFO L439 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:05,885 INFO L443 ceAbstractionStarter]: For program point L885(lines 885 891) no Hoare annotation was computed. [2019-10-15 01:20:05,885 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 894) no Hoare annotation was computed. [2019-10-15 01:20:05,885 INFO L439 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:20:05,885 INFO L443 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2019-10-15 01:20:05,885 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 872 900) the Hoare annotation is: true [2019-10-15 01:20:05,885 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 897) no Hoare annotation was computed. [2019-10-15 01:20:05,886 INFO L443 ceAbstractionStarter]: For program point L880-1(lines 872 900) no Hoare annotation was computed. [2019-10-15 01:20:05,886 INFO L446 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2019-10-15 01:20:05,886 INFO L443 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2019-10-15 01:20:05,886 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 872 900) no Hoare annotation was computed. [2019-10-15 01:20:05,886 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 514) no Hoare annotation was computed. [2019-10-15 01:20:05,886 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 498 520) no Hoare annotation was computed. [2019-10-15 01:20:05,886 INFO L443 ceAbstractionStarter]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2019-10-15 01:20:05,886 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 498 520) no Hoare annotation was computed. [2019-10-15 01:20:05,886 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 498 520) no Hoare annotation was computed. [2019-10-15 01:20:05,887 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 864 871) the Hoare annotation is: true [2019-10-15 01:20:05,887 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 864 871) no Hoare annotation was computed. [2019-10-15 01:20:05,887 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 864 871) no Hoare annotation was computed. [2019-10-15 01:20:05,887 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:05,887 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:05,887 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:05,887 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2019-10-15 01:20:05,887 INFO L443 ceAbstractionStarter]: For program point L318(lines 296 319) no Hoare annotation was computed. [2019-10-15 01:20:05,887 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 293) no Hoare annotation was computed. [2019-10-15 01:20:05,888 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 344) no Hoare annotation was computed. [2019-10-15 01:20:05,888 INFO L443 ceAbstractionStarter]: For program point L298(lines 297 317) no Hoare annotation was computed. [2019-10-15 01:20:05,888 INFO L443 ceAbstractionStarter]: For program point L329(line 329) no Hoare annotation was computed. [2019-10-15 01:20:05,888 INFO L443 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2019-10-15 01:20:05,888 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 335) no Hoare annotation was computed. [2019-10-15 01:20:05,888 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2019-10-15 01:20:05,888 INFO L443 ceAbstractionStarter]: For program point L313(line 313) no Hoare annotation was computed. [2019-10-15 01:20:05,888 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-10-15 01:20:05,888 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2019-10-15 01:20:05,889 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-10-15 01:20:05,889 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 347) no Hoare annotation was computed. [2019-10-15 01:20:05,889 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 303) no Hoare annotation was computed. [2019-10-15 01:20:05,889 INFO L443 ceAbstractionStarter]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2019-10-15 01:20:05,889 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:05,889 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-15 01:20:05,889 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:05,889 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 758) no Hoare annotation was computed. [2019-10-15 01:20:05,890 INFO L439 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-15 01:20:05,890 INFO L443 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2019-10-15 01:20:05,890 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 745 761) no Hoare annotation was computed. [2019-10-15 01:20:05,890 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 745 761) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-15 01:20:05,890 INFO L439 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:20:05,890 INFO L443 ceAbstractionStarter]: For program point L756-1(lines 745 761) no Hoare annotation was computed. [2019-10-15 01:20:05,890 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 521 529) no Hoare annotation was computed. [2019-10-15 01:20:05,890 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 521 529) no Hoare annotation was computed. [2019-10-15 01:20:05,891 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 521 529) no Hoare annotation was computed. [2019-10-15 01:20:05,891 INFO L446 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: true [2019-10-15 01:20:05,891 INFO L443 ceAbstractionStarter]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2019-10-15 01:20:05,892 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 826 844) no Hoare annotation was computed. [2019-10-15 01:20:05,892 INFO L443 ceAbstractionStarter]: For program point L833-1(line 833) no Hoare annotation was computed. [2019-10-15 01:20:05,892 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 826 844) the Hoare annotation is: true [2019-10-15 01:20:05,892 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 826 844) no Hoare annotation was computed. [2019-10-15 01:20:05,892 INFO L443 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2019-10-15 01:20:05,892 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:05,892 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:05,892 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:05,893 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2019-10-15 01:20:05,893 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (<= 1 ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-15 01:20:05,893 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2019-10-15 01:20:05,893 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2019-10-15 01:20:05,893 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2019-10-15 01:20:05,893 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2019-10-15 01:20:05,893 INFO L439 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse6 (= 1 ~waterLevel~0)) (.cse3 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not .cse3)) (.cse4 (and (not .cse6) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse5 .cse1 .cse6 .cse7 .cse8) (or .cse2 .cse1 .cse8) (or .cse6 .cse0 .cse5 .cse1 .cse7) (or .cse3 .cse4 .cse1 .cse8 .cse5)))) [2019-10-15 01:20:05,894 INFO L439 ceAbstractionStarter]: At program point L665(lines 665 671) the Hoare annotation is: (let ((.cse10 (= 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| 1))) (let ((.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not .cse3)) (.cse7 (and .cse4 .cse1)) (.cse5 (not .cse10)) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and (= 1 ~systemActive~0) .cse4 (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 (and .cse5 .cse6) .cse2) (or (and (<= 2 ~waterLevel~0) .cse6) .cse7 .cse2 (and .cse1 .cse6) .cse8 .cse9) (or .cse10 .cse0 .cse4 .cse2 .cse11) (or .cse4 .cse2 .cse11 .cse8 .cse10) (or .cse3 .cse7 .cse5 .cse2 .cse8 .cse9)))) [2019-10-15 01:20:05,894 INFO L439 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (and .cse1 .cse2 .cse3)) (or .cse1 .cse0 .cse4) (or (and .cse2 .cse3) .cse0 .cse4))) [2019-10-15 01:20:05,894 INFO L443 ceAbstractionStarter]: For program point L658(lines 657 676) no Hoare annotation was computed. [2019-10-15 01:20:05,895 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 654 677) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse5)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4) (or .cse7 .cse8 .cse1) (or .cse2 .cse8 .cse0 .cse1 .cse3) (or .cse7 .cse1 .cse4) (or .cse8 .cse5 .cse1 .cse6)))) [2019-10-15 01:20:05,895 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 654 677) no Hoare annotation was computed. [2019-10-15 01:20:05,895 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 654 677) no Hoare annotation was computed. [2019-10-15 01:20:05,895 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 547 576) no Hoare annotation was computed. [2019-10-15 01:20:05,895 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 547 576) the Hoare annotation is: true [2019-10-15 01:20:05,896 INFO L446 ceAbstractionStarter]: At program point L572(lines 547 576) the Hoare annotation is: true [2019-10-15 01:20:05,896 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-15 01:20:05,896 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 565) no Hoare annotation was computed. [2019-10-15 01:20:05,896 INFO L446 ceAbstractionStarter]: At program point L561-1(lines 561 565) the Hoare annotation is: true [2019-10-15 01:20:05,896 INFO L443 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2019-10-15 01:20:05,896 INFO L446 ceAbstractionStarter]: At program point L557-2(lines 557 571) the Hoare annotation is: true [2019-10-15 01:20:05,896 INFO L446 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2019-10-15 01:20:05,896 INFO L443 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2019-10-15 01:20:05,896 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (or .cse1 .cse2)))) [2019-10-15 01:20:05,897 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2019-10-15 01:20:05,897 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2019-10-15 01:20:05,897 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 602 608) no Hoare annotation was computed. [2019-10-15 01:20:05,897 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 602 608) the Hoare annotation is: true [2019-10-15 01:20:05,897 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:05,897 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-15 01:20:05,897 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:05,897 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:05,897 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2019-10-15 01:20:05,898 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-10-15 01:20:05,898 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2019-10-15 01:20:05,898 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2019-10-15 01:20:05,898 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2019-10-15 01:20:05,898 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse1 .cse4)) (or .cse6 (or .cse0 .cse1) .cse5) (or .cse2 .cse6 .cse0 .cse1 .cse3))) [2019-10-15 01:20:05,898 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 854 861) no Hoare annotation was computed. [2019-10-15 01:20:05,898 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2019-10-15 01:20:05,898 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 854 861) the Hoare annotation is: true [2019-10-15 01:20:05,899 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 854 861) no Hoare annotation was computed. [2019-10-15 01:20:05,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:05 BoogieIcfgContainer [2019-10-15 01:20:05,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:05,923 INFO L168 Benchmark]: Toolchain (without parser) took 18453.58 ms. Allocated memory was 144.2 MB in the beginning and 515.4 MB in the end (delta: 371.2 MB). Free memory was 100.4 MB in the beginning and 328.7 MB in the end (delta: -228.3 MB). Peak memory consumption was 321.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:05,924 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:05,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.80 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 100.2 MB in the beginning and 167.3 MB in the end (delta: -67.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:05,926 INFO L168 Benchmark]: Boogie Preprocessor took 93.42 ms. Allocated memory is still 200.8 MB. Free memory was 167.3 MB in the beginning and 163.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:05,927 INFO L168 Benchmark]: RCFGBuilder took 1117.69 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 163.2 MB in the beginning and 192.0 MB in the end (delta: -28.7 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:05,935 INFO L168 Benchmark]: TraceAbstraction took 16569.29 ms. Allocated memory was 232.3 MB in the beginning and 515.4 MB in the end (delta: 283.1 MB). Free memory was 192.0 MB in the beginning and 328.7 MB in the end (delta: -136.8 MB). Peak memory consumption was 325.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:05,944 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 667.80 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 100.2 MB in the beginning and 167.3 MB in the end (delta: -67.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.42 ms. Allocated memory is still 200.8 MB. Free memory was 167.3 MB in the beginning and 163.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1117.69 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 163.2 MB in the beginning and 192.0 MB in the end (delta: -28.7 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16569.29 ms. Allocated memory was 232.3 MB in the beginning and 515.4 MB in the end (delta: 283.1 MB). Free memory was 192.0 MB in the beginning and 328.7 MB in the end (delta: -136.8 MB). Peak memory consumption was 325.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 858]: 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: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((1 == systemActive && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && pumpRunning == 0) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Result: SAFE, OverallTime: 16.4s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, HoareTripleCheckerStatistics: 2200 SDtfs, 1164 SDslu, 4798 SDs, 0 SdLazy, 1925 SolverSat, 375 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 992 GetRequests, 878 SyntacticMatches, 14 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=933occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 150 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2088 PreInvPairs, 2228 NumberOfFragments, 1732 HoareAnnotationTreeSize, 2088 FomulaSimplifications, 4713 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 64 FomulaSimplificationsInter, 10725 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1578 NumberOfCodeBlocks, 1578 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1992 ConstructedInterpolants, 0 QuantifiedInterpolants, 378768 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2714 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 308/324 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...