/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:44:15,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:44:15,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:44:15,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:44:15,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:44:15,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:44:15,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:44:15,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:44:15,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:44:15,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:44:15,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:44:15,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:44:15,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:44:15,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:44:15,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:44:15,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:44:15,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:44:15,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:44:15,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:44:15,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:44:15,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:44:15,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:44:15,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:44:15,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:44:15,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:44:15,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:44:15,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:44:15,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:44:15,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:44:15,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:44:15,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:44:15,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:44:15,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:44:15,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:44:15,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:44:15,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:44:15,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:44:15,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:44:15,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:44:15,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:44:15,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:44:15,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 10:44:15,239 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:44:15,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:44:15,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:44:15,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:44:15,243 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:44:15,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:44:15,243 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:44:15,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:44:15,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:44:15,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:44:15,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:44:15,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:44:15,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:44:15,246 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:44:15,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:44:15,246 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:44:15,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:44:15,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:44:15,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:44:15,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:44:15,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:44:15,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:44:15,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:44:15,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:44:15,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:44:15,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:44:15,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:15,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:44:15,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:44:15,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:44:15,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:44:15,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:44:15,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:44:15,631 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:44:15,631 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:44:15,632 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-07-20 10:44:15,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b19bd5917/7e2bc0c3146344ab9b7bfacd4850f25c/FLAG1de7c22de [2020-07-20 10:44:16,239 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:44:16,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-07-20 10:44:16,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b19bd5917/7e2bc0c3146344ab9b7bfacd4850f25c/FLAG1de7c22de [2020-07-20 10:44:16,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b19bd5917/7e2bc0c3146344ab9b7bfacd4850f25c [2020-07-20 10:44:16,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:44:16,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:44:16,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:16,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:44:16,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:44:16,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:16" (1/1) ... [2020-07-20 10:44:16,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bef2e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:16, skipping insertion in model container [2020-07-20 10:44:16,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:16" (1/1) ... [2020-07-20 10:44:16,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:44:16,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:44:17,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:44:17,080 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:44:17,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:44:17,247 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:44:17,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:17 WrapperNode [2020-07-20 10:44:17,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:17,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:44:17,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:44:17,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:44:17,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:17" (1/1) ... [2020-07-20 10:44:17,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:17" (1/1) ... [2020-07-20 10:44:17,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:17" (1/1) ... [2020-07-20 10:44:17,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:17" (1/1) ... [2020-07-20 10:44:17,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:17" (1/1) ... [2020-07-20 10:44:17,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:17" (1/1) ... [2020-07-20 10:44:17,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:17" (1/1) ... [2020-07-20 10:44:17,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:44:17,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:44:17,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:44:17,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:44:17,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:44:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:44:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:44:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:44:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:44:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:44:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:44:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:44:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:44:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:44:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:44:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:44:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:44:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:44:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:44:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:44:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:44:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:44:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:44:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:44:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:44:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:44:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:44:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:44:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:44:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:44:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:44:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:44:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:44:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:44:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:44:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:44:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 10:44:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:44:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:44:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:44:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:44:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:44:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:44:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:44:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 10:44:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:44:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:44:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:44:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:44:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:44:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:44:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:44:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:44:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:44:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:44:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:44:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:44:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:44:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:44:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:44:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:44:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:44:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:44:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:44:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:44:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:44:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:44:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:44:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:44:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:44:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:44:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:44:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:44:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:44:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:44:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:44:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:44:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:44:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:44:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:44:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:44:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:44:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:44:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:44:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:44:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:44:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:44:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:44:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:44:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:44:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:44:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:44:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:44:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 10:44:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:44:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:44:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:44:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:44:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:44:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:44:17,416 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:44:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 10:44:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:44:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:44:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:44:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:44:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:44:18,506 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:44:18,507 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:44:18,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:18 BoogieIcfgContainer [2020-07-20 10:44:18,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:44:18,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:44:18,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:44:18,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:44:18,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:44:16" (1/3) ... [2020-07-20 10:44:18,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2e6e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:18, skipping insertion in model container [2020-07-20 10:44:18,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:17" (2/3) ... [2020-07-20 10:44:18,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2e6e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:18, skipping insertion in model container [2020-07-20 10:44:18,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:18" (3/3) ... [2020-07-20 10:44:18,522 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2020-07-20 10:44:18,533 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:44:18,543 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:44:18,558 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:44:18,585 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:44:18,586 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:44:18,586 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:44:18,586 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:44:18,587 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:44:18,587 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:44:18,587 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:44:18,587 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:44:18,612 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2020-07-20 10:44:18,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:44:18,623 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:18,624 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:18,625 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:18,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:18,632 INFO L82 PathProgramCache]: Analyzing trace with hash -229262266, now seen corresponding path program 1 times [2020-07-20 10:44:18,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:18,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1570872231] [2020-07-20 10:44:18,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:18,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:44:18,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:18,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:44:18,950 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:18,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1570872231] [2020-07-20 10:44:18,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:18,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:44:18,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755385486] [2020-07-20 10:44:18,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:44:18,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:18,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:44:18,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:44:18,985 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 2 states. [2020-07-20 10:44:19,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:19,038 INFO L93 Difference]: Finished difference Result 310 states and 377 transitions. [2020-07-20 10:44:19,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:44:19,040 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 10:44:19,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:19,056 INFO L225 Difference]: With dead ends: 310 [2020-07-20 10:44:19,056 INFO L226 Difference]: Without dead ends: 157 [2020-07-20 10:44:19,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:44:19,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-07-20 10:44:19,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2020-07-20 10:44:19,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-07-20 10:44:19,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2020-07-20 10:44:19,157 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2020-07-20 10:44:19,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:19,158 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2020-07-20 10:44:19,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:44:19,158 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2020-07-20 10:44:19,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 10:44:19,170 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:19,170 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:19,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:19,372 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:19,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:19,373 INFO L82 PathProgramCache]: Analyzing trace with hash -751857026, now seen corresponding path program 1 times [2020-07-20 10:44:19,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:19,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942353330] [2020-07-20 10:44:19,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:19,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:44:19,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:44:19,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:19,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942353330] [2020-07-20 10:44:19,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:19,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:19,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183991133] [2020-07-20 10:44:19,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:19,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:19,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:19,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:19,672 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 3 states. [2020-07-20 10:44:19,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:19,722 INFO L93 Difference]: Finished difference Result 255 states and 295 transitions. [2020-07-20 10:44:19,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:19,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 10:44:19,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:19,729 INFO L225 Difference]: With dead ends: 255 [2020-07-20 10:44:19,729 INFO L226 Difference]: Without dead ends: 148 [2020-07-20 10:44:19,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:19,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-20 10:44:19,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-20 10:44:19,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-20 10:44:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 170 transitions. [2020-07-20 10:44:19,762 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 170 transitions. Word has length 60 [2020-07-20 10:44:19,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:19,763 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 170 transitions. [2020-07-20 10:44:19,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:19,763 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 170 transitions. [2020-07-20 10:44:19,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 10:44:19,767 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:19,768 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:19,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:19,972 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:19,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:19,973 INFO L82 PathProgramCache]: Analyzing trace with hash -8533593, now seen corresponding path program 1 times [2020-07-20 10:44:19,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:19,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779529890] [2020-07-20 10:44:19,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:20,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:20,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:20,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:20,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:20,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [779529890] [2020-07-20 10:44:20,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:20,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:20,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420016211] [2020-07-20 10:44:20,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:20,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:20,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:20,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:20,209 INFO L87 Difference]: Start difference. First operand 148 states and 170 transitions. Second operand 3 states. [2020-07-20 10:44:20,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:20,227 INFO L93 Difference]: Finished difference Result 268 states and 313 transitions. [2020-07-20 10:44:20,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:20,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 10:44:20,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:20,230 INFO L225 Difference]: With dead ends: 268 [2020-07-20 10:44:20,231 INFO L226 Difference]: Without dead ends: 148 [2020-07-20 10:44:20,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:20,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-20 10:44:20,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-20 10:44:20,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-20 10:44:20,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 169 transitions. [2020-07-20 10:44:20,248 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 169 transitions. Word has length 65 [2020-07-20 10:44:20,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:20,250 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 169 transitions. [2020-07-20 10:44:20,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 169 transitions. [2020-07-20 10:44:20,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-20 10:44:20,252 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:20,252 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:20,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:20,467 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:20,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:20,467 INFO L82 PathProgramCache]: Analyzing trace with hash -2138732759, now seen corresponding path program 1 times [2020-07-20 10:44:20,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:20,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312851171] [2020-07-20 10:44:20,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:20,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:44:20,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:20,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:20,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312851171] [2020-07-20 10:44:20,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:20,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 10:44:20,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051370833] [2020-07-20 10:44:20,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 10:44:20,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:20,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 10:44:20,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:44:20,746 INFO L87 Difference]: Start difference. First operand 148 states and 169 transitions. Second operand 7 states. [2020-07-20 10:44:21,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:21,575 INFO L93 Difference]: Finished difference Result 357 states and 436 transitions. [2020-07-20 10:44:21,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:44:21,576 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-07-20 10:44:21,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:21,580 INFO L225 Difference]: With dead ends: 357 [2020-07-20 10:44:21,580 INFO L226 Difference]: Without dead ends: 237 [2020-07-20 10:44:21,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 10:44:21,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-07-20 10:44:21,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 220. [2020-07-20 10:44:21,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-20 10:44:21,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 255 transitions. [2020-07-20 10:44:21,618 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 255 transitions. Word has length 78 [2020-07-20 10:44:21,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:21,618 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 255 transitions. [2020-07-20 10:44:21,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 10:44:21,618 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 255 transitions. [2020-07-20 10:44:21,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 10:44:21,620 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:21,620 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:21,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:21,836 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:21,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:21,836 INFO L82 PathProgramCache]: Analyzing trace with hash 660673946, now seen corresponding path program 1 times [2020-07-20 10:44:21,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:21,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1891955285] [2020-07-20 10:44:21,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:22,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:22,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:22,051 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:22,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1891955285] [2020-07-20 10:44:22,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:22,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:22,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294843658] [2020-07-20 10:44:22,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:22,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:22,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:22,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:22,053 INFO L87 Difference]: Start difference. First operand 220 states and 255 transitions. Second operand 6 states. [2020-07-20 10:44:22,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:22,097 INFO L93 Difference]: Finished difference Result 419 states and 503 transitions. [2020-07-20 10:44:22,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:44:22,098 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2020-07-20 10:44:22,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:22,102 INFO L225 Difference]: With dead ends: 419 [2020-07-20 10:44:22,102 INFO L226 Difference]: Without dead ends: 227 [2020-07-20 10:44:22,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:44:22,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-07-20 10:44:22,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 225. [2020-07-20 10:44:22,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-07-20 10:44:22,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 260 transitions. [2020-07-20 10:44:22,123 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 260 transitions. Word has length 108 [2020-07-20 10:44:22,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:22,124 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 260 transitions. [2020-07-20 10:44:22,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:22,124 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 260 transitions. [2020-07-20 10:44:22,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 10:44:22,125 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:22,126 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:22,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:22,340 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:22,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:22,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1706020648, now seen corresponding path program 1 times [2020-07-20 10:44:22,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:22,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001937956] [2020-07-20 10:44:22,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:22,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:44:22,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:22,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:22,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:22,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001937956] [2020-07-20 10:44:22,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:22,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:44:22,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700530918] [2020-07-20 10:44:22,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:44:22,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:22,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:44:22,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:44:22,579 INFO L87 Difference]: Start difference. First operand 225 states and 260 transitions. Second operand 5 states. [2020-07-20 10:44:22,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:22,603 INFO L93 Difference]: Finished difference Result 429 states and 513 transitions. [2020-07-20 10:44:22,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:44:22,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-07-20 10:44:22,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:22,606 INFO L225 Difference]: With dead ends: 429 [2020-07-20 10:44:22,606 INFO L226 Difference]: Without dead ends: 232 [2020-07-20 10:44:22,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:44:22,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-07-20 10:44:22,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 229. [2020-07-20 10:44:22,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-20 10:44:22,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 264 transitions. [2020-07-20 10:44:22,623 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 264 transitions. Word has length 108 [2020-07-20 10:44:22,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:22,623 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 264 transitions. [2020-07-20 10:44:22,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:44:22,624 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 264 transitions. [2020-07-20 10:44:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 10:44:22,625 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:22,625 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:22,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:22,839 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:22,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:22,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1946560777, now seen corresponding path program 1 times [2020-07-20 10:44:22,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:22,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [725828661] [2020-07-20 10:44:22,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:23,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:44:23,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:23,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:23,048 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:23,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [725828661] [2020-07-20 10:44:23,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:23,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:23,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397210746] [2020-07-20 10:44:23,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:23,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:23,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:23,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:23,050 INFO L87 Difference]: Start difference. First operand 229 states and 264 transitions. Second operand 3 states. [2020-07-20 10:44:23,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:23,094 INFO L93 Difference]: Finished difference Result 586 states and 716 transitions. [2020-07-20 10:44:23,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:23,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-07-20 10:44:23,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:23,098 INFO L225 Difference]: With dead ends: 586 [2020-07-20 10:44:23,098 INFO L226 Difference]: Without dead ends: 385 [2020-07-20 10:44:23,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:23,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2020-07-20 10:44:23,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 382. [2020-07-20 10:44:23,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-07-20 10:44:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 456 transitions. [2020-07-20 10:44:23,126 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 456 transitions. Word has length 108 [2020-07-20 10:44:23,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:23,127 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 456 transitions. [2020-07-20 10:44:23,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 456 transitions. [2020-07-20 10:44:23,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 10:44:23,129 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:23,129 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:23,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:23,344 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:23,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:23,345 INFO L82 PathProgramCache]: Analyzing trace with hash 79738257, now seen corresponding path program 1 times [2020-07-20 10:44:23,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:23,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59630066] [2020-07-20 10:44:23,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:23,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 10:44:23,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:23,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:23,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:23,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59630066] [2020-07-20 10:44:23,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:23,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 10:44:23,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123760198] [2020-07-20 10:44:23,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:23,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:23,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:23,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:23,643 INFO L87 Difference]: Start difference. First operand 382 states and 456 transitions. Second operand 10 states. [2020-07-20 10:44:25,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:25,081 INFO L93 Difference]: Finished difference Result 1044 states and 1423 transitions. [2020-07-20 10:44:25,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 10:44:25,082 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-07-20 10:44:25,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:25,087 INFO L225 Difference]: With dead ends: 1044 [2020-07-20 10:44:25,087 INFO L226 Difference]: Without dead ends: 690 [2020-07-20 10:44:25,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-20 10:44:25,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2020-07-20 10:44:25,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 517. [2020-07-20 10:44:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2020-07-20 10:44:25,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 622 transitions. [2020-07-20 10:44:25,152 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 622 transitions. Word has length 112 [2020-07-20 10:44:25,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:25,154 INFO L479 AbstractCegarLoop]: Abstraction has 517 states and 622 transitions. [2020-07-20 10:44:25,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:25,154 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 622 transitions. [2020-07-20 10:44:25,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-20 10:44:25,161 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:25,162 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:25,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:25,376 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:25,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:25,377 INFO L82 PathProgramCache]: Analyzing trace with hash -992810877, now seen corresponding path program 1 times [2020-07-20 10:44:25,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:25,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [263636117] [2020-07-20 10:44:25,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:25,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:25,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:25,675 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:25,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:44:26,092 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 10:44:26,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [263636117] [2020-07-20 10:44:26,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:44:26,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 10:44:26,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902194715] [2020-07-20 10:44:26,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:26,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:26,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:26,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:26,095 INFO L87 Difference]: Start difference. First operand 517 states and 622 transitions. Second operand 10 states. [2020-07-20 10:44:27,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:27,078 INFO L93 Difference]: Finished difference Result 1113 states and 1356 transitions. [2020-07-20 10:44:27,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 10:44:27,079 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 174 [2020-07-20 10:44:27,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:27,080 INFO L225 Difference]: With dead ends: 1113 [2020-07-20 10:44:27,080 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:44:27,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 335 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 10:44:27,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:44:27,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:44:27,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:44:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:44:27,085 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2020-07-20 10:44:27,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:27,085 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:44:27,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:44:27,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:44:27,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:27,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:44:28,511 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-07-20 10:44:28,844 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-07-20 10:44:29,227 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-07-20 10:44:29,435 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 36 [2020-07-20 10:44:29,687 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 10:44:29,848 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-20 10:44:30,012 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2020-07-20 10:44:30,407 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-20 10:44:30,792 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 10:44:31,179 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 10:44:31,506 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2020-07-20 10:44:31,631 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-07-20 10:44:31,799 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2020-07-20 10:44:31,803 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-07-20 10:44:31,803 INFO L268 CegarLoopResult]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2020-07-20 10:44:31,803 INFO L268 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2020-07-20 10:44:31,804 INFO L268 CegarLoopResult]: For program point L279-2(lines 279 300) no Hoare annotation was computed. [2020-07-20 10:44:31,804 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 254 309) no Hoare annotation was computed. [2020-07-20 10:44:31,804 INFO L268 CegarLoopResult]: For program point L301(lines 278 302) no Hoare annotation was computed. [2020-07-20 10:44:31,804 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 254 309) no Hoare annotation was computed. [2020-07-20 10:44:31,804 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 254 309) no Hoare annotation was computed. [2020-07-20 10:44:31,804 INFO L268 CegarLoopResult]: For program point L342(lines 342 346) no Hoare annotation was computed. [2020-07-20 10:44:31,804 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 310 369) no Hoare annotation was computed. [2020-07-20 10:44:31,804 INFO L268 CegarLoopResult]: For program point L342-1(lines 342 346) no Hoare annotation was computed. [2020-07-20 10:44:31,804 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-07-20 10:44:31,805 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 310 369) no Hoare annotation was computed. [2020-07-20 10:44:31,805 INFO L268 CegarLoopResult]: For program point L336-2(lines 336 361) no Hoare annotation was computed. [2020-07-20 10:44:31,805 INFO L268 CegarLoopResult]: For program point L362(lines 335 363) no Hoare annotation was computed. [2020-07-20 10:44:31,805 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 310 369) no Hoare annotation was computed. [2020-07-20 10:44:31,805 INFO L268 CegarLoopResult]: For program point L355(line 355) no Hoare annotation was computed. [2020-07-20 10:44:31,805 INFO L268 CegarLoopResult]: For program point L355-1(line 355) no Hoare annotation was computed. [2020-07-20 10:44:31,805 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2020-07-20 10:44:31,806 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2020-07-20 10:44:31,806 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2020-07-20 10:44:31,806 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2020-07-20 10:44:31,806 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2020-07-20 10:44:31,806 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 154 161) the Hoare annotation is: true [2020-07-20 10:44:31,806 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 154 161) no Hoare annotation was computed. [2020-07-20 10:44:31,806 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 154 161) no Hoare annotation was computed. [2020-07-20 10:44:31,807 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 162 171) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 10:44:31,807 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 162 171) no Hoare annotation was computed. [2020-07-20 10:44:31,807 INFO L268 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-07-20 10:44:31,807 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 162 171) no Hoare annotation was computed. [2020-07-20 10:44:31,807 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-20 10:44:31,807 INFO L268 CegarLoopResult]: For program point L185(lines 185 191) no Hoare annotation was computed. [2020-07-20 10:44:31,808 INFO L268 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2020-07-20 10:44:31,808 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:44:31,808 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-20 10:44:31,808 INFO L268 CegarLoopResult]: For program point L180(lines 180 197) no Hoare annotation was computed. [2020-07-20 10:44:31,808 INFO L268 CegarLoopResult]: For program point L180-1(lines 172 200) no Hoare annotation was computed. [2020-07-20 10:44:31,808 INFO L271 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: true [2020-07-20 10:44:31,809 INFO L268 CegarLoopResult]: For program point L178-1(line 178) no Hoare annotation was computed. [2020-07-20 10:44:31,809 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 172 200) the Hoare annotation is: true [2020-07-20 10:44:31,809 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 172 200) no Hoare annotation was computed. [2020-07-20 10:44:31,809 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 647 669) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:31,809 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 647 669) no Hoare annotation was computed. [2020-07-20 10:44:31,809 INFO L264 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:31,809 INFO L264 CegarLoopResult]: At program point L659-1(line 659) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:31,810 INFO L268 CegarLoopResult]: For program point L657(lines 657 664) no Hoare annotation was computed. [2020-07-20 10:44:31,810 INFO L268 CegarLoopResult]: For program point L657-1(lines 657 664) no Hoare annotation was computed. [2020-07-20 10:44:31,810 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-07-20 10:44:31,810 INFO L264 CegarLoopResult]: At program point L654(line 654) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:31,810 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:31,810 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 647 669) no Hoare annotation was computed. [2020-07-20 10:44:31,810 INFO L264 CegarLoopResult]: At program point L653-1(line 653) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:31,811 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-07-20 10:44:31,811 INFO L268 CegarLoopResult]: For program point L608(line 608) no Hoare annotation was computed. [2020-07-20 10:44:31,811 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 601 624) no Hoare annotation was computed. [2020-07-20 10:44:31,811 INFO L268 CegarLoopResult]: For program point L607(line 607) no Hoare annotation was computed. [2020-07-20 10:44:31,811 INFO L268 CegarLoopResult]: For program point L606(line 606) no Hoare annotation was computed. [2020-07-20 10:44:31,811 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 601 624) no Hoare annotation was computed. [2020-07-20 10:44:31,811 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 601 624) no Hoare annotation was computed. [2020-07-20 10:44:31,811 INFO L268 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-07-20 10:44:31,811 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-07-20 10:44:31,812 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-20 10:44:31,812 INFO L268 CegarLoopResult]: For program point L616(line 616) no Hoare annotation was computed. [2020-07-20 10:44:31,812 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-07-20 10:44:31,812 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-07-20 10:44:31,812 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-07-20 10:44:31,812 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-07-20 10:44:31,812 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 10:44:31,812 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-07-20 10:44:31,812 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 884 892) no Hoare annotation was computed. [2020-07-20 10:44:31,813 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 884 892) the Hoare annotation is: true [2020-07-20 10:44:31,813 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 884 892) no Hoare annotation was computed. [2020-07-20 10:44:31,813 INFO L268 CegarLoopResult]: For program point L957(lines 957 961) no Hoare annotation was computed. [2020-07-20 10:44:31,813 INFO L271 CegarLoopResult]: At program point L955(line 955) the Hoare annotation is: true [2020-07-20 10:44:31,813 INFO L268 CegarLoopResult]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2020-07-20 10:44:31,813 INFO L268 CegarLoopResult]: For program point L955-1(line 955) no Hoare annotation was computed. [2020-07-20 10:44:31,813 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 948 966) the Hoare annotation is: true [2020-07-20 10:44:31,813 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 948 966) no Hoare annotation was computed. [2020-07-20 10:44:31,813 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 948 966) no Hoare annotation was computed. [2020-07-20 10:44:31,814 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-20 10:44:31,814 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-07-20 10:44:31,814 INFO L268 CegarLoopResult]: For program point L912(lines 912 920) no Hoare annotation was computed. [2020-07-20 10:44:31,814 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 893 928) no Hoare annotation was computed. [2020-07-20 10:44:31,814 INFO L268 CegarLoopResult]: For program point L912-2(lines 912 920) no Hoare annotation was computed. [2020-07-20 10:44:31,814 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 893 928) no Hoare annotation was computed. [2020-07-20 10:44:31,814 INFO L268 CegarLoopResult]: For program point L900(lines 900 908) no Hoare annotation was computed. [2020-07-20 10:44:31,814 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 893 928) no Hoare annotation was computed. [2020-07-20 10:44:31,814 INFO L268 CegarLoopResult]: For program point L900-2(lines 900 908) no Hoare annotation was computed. [2020-07-20 10:44:31,814 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2020-07-20 10:44:31,815 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2020-07-20 10:44:31,815 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 208 253) no Hoare annotation was computed. [2020-07-20 10:44:31,815 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 208 253) no Hoare annotation was computed. [2020-07-20 10:44:31,815 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 208 253) no Hoare annotation was computed. [2020-07-20 10:44:31,815 INFO L268 CegarLoopResult]: For program point L541(lines 541 548) no Hoare annotation was computed. [2020-07-20 10:44:31,815 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 521 566) no Hoare annotation was computed. [2020-07-20 10:44:31,815 INFO L268 CegarLoopResult]: For program point L535(lines 535 555) no Hoare annotation was computed. [2020-07-20 10:44:31,815 INFO L268 CegarLoopResult]: For program point L535-1(lines 535 555) no Hoare annotation was computed. [2020-07-20 10:44:31,815 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 521 566) no Hoare annotation was computed. [2020-07-20 10:44:31,816 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 521 566) no Hoare annotation was computed. [2020-07-20 10:44:31,816 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 633 643) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:31,816 INFO L264 CegarLoopResult]: At program point L638(line 638) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:31,816 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 633 643) no Hoare annotation was computed. [2020-07-20 10:44:31,816 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 633 643) no Hoare annotation was computed. [2020-07-20 10:44:31,816 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 873 883) the Hoare annotation is: true [2020-07-20 10:44:31,816 INFO L271 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: true [2020-07-20 10:44:31,817 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-07-20 10:44:31,817 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 873 883) no Hoare annotation was computed. [2020-07-20 10:44:31,817 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 873 883) no Hoare annotation was computed. [2020-07-20 10:44:31,817 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 865 872) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 10:44:31,817 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2020-07-20 10:44:31,817 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 865 872) no Hoare annotation was computed. [2020-07-20 10:44:31,817 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-20 10:44:31,817 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-20 10:44:31,818 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-20 10:44:31,818 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-20 10:44:31,818 INFO L264 CegarLoopResult]: At program point L833(line 833) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:31,818 INFO L268 CegarLoopResult]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2020-07-20 10:44:31,818 INFO L264 CegarLoopResult]: At program point L828(line 828) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:31,818 INFO L264 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:31,818 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 814 838) no Hoare annotation was computed. [2020-07-20 10:44:31,819 INFO L268 CegarLoopResult]: For program point L822(lines 822 830) no Hoare annotation was computed. [2020-07-20 10:44:31,819 INFO L264 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:31,819 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 814 838) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:31,819 INFO L268 CegarLoopResult]: For program point L820-1(line 820) no Hoare annotation was computed. [2020-07-20 10:44:31,819 INFO L268 CegarLoopResult]: For program point L818(lines 818 835) no Hoare annotation was computed. [2020-07-20 10:44:31,819 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2020-07-20 10:44:31,819 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2020-07-20 10:44:31,820 INFO L264 CegarLoopResult]: At program point testENTRY(lines 681 746) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:31,820 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-07-20 10:44:31,820 INFO L264 CegarLoopResult]: At program point L729-2(lines 721 734) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:31,820 INFO L268 CegarLoopResult]: For program point testFINAL(lines 681 746) no Hoare annotation was computed. [2020-07-20 10:44:31,820 INFO L268 CegarLoopResult]: For program point L692(lines 691 738) no Hoare annotation was computed. [2020-07-20 10:44:31,820 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:31,820 INFO L268 CegarLoopResult]: For program point L721(lines 721 734) no Hoare annotation was computed. [2020-07-20 10:44:31,821 INFO L264 CegarLoopResult]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:31,821 INFO L268 CegarLoopResult]: For program point L711(lines 711 717) no Hoare annotation was computed. [2020-07-20 10:44:31,821 INFO L268 CegarLoopResult]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2020-07-20 10:44:31,821 INFO L264 CegarLoopResult]: At program point L736(lines 691 738) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:31,821 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:31,821 INFO L268 CegarLoopResult]: For program point L701(lines 701 707) no Hoare annotation was computed. [2020-07-20 10:44:31,822 INFO L268 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2020-07-20 10:44:31,822 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-07-20 10:44:31,822 INFO L264 CegarLoopResult]: At program point L739(lines 690 740) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:31,822 INFO L268 CegarLoopResult]: For program point testEXIT(lines 681 746) no Hoare annotation was computed. [2020-07-20 10:44:31,822 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 475 520) no Hoare annotation was computed. [2020-07-20 10:44:31,822 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 475 520) no Hoare annotation was computed. [2020-07-20 10:44:31,822 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 475 520) no Hoare annotation was computed. [2020-07-20 10:44:31,822 INFO L268 CegarLoopResult]: For program point L495(lines 495 502) no Hoare annotation was computed. [2020-07-20 10:44:31,822 INFO L268 CegarLoopResult]: For program point L489(lines 489 509) no Hoare annotation was computed. [2020-07-20 10:44:31,823 INFO L268 CegarLoopResult]: For program point L489-1(lines 489 509) no Hoare annotation was computed. [2020-07-20 10:44:31,823 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 839 846) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:31,823 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 839 846) no Hoare annotation was computed. [2020-07-20 10:44:31,823 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 839 846) no Hoare annotation was computed. [2020-07-20 10:44:31,823 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-20 10:44:31,823 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-20 10:44:31,823 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-20 10:44:31,823 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-20 10:44:31,823 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-20 10:44:31,824 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-20 10:44:31,824 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-20 10:44:31,824 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-20 10:44:31,824 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 372 474) no Hoare annotation was computed. [2020-07-20 10:44:31,824 INFO L268 CegarLoopResult]: For program point L442(lines 420 443) no Hoare annotation was computed. [2020-07-20 10:44:31,824 INFO L268 CegarLoopResult]: For program point L401(lines 401 417) no Hoare annotation was computed. [2020-07-20 10:44:31,824 INFO L268 CegarLoopResult]: For program point L461(lines 461 468) no Hoare annotation was computed. [2020-07-20 10:44:31,824 INFO L268 CegarLoopResult]: For program point L422(lines 421 441) no Hoare annotation was computed. [2020-07-20 10:44:31,825 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 372 474) no Hoare annotation was computed. [2020-07-20 10:44:31,825 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-20 10:44:31,825 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-07-20 10:44:31,825 INFO L268 CegarLoopResult]: For program point L418(lines 418 459) no Hoare annotation was computed. [2020-07-20 10:44:31,825 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 10:44:31,825 INFO L268 CegarLoopResult]: For program point L437-1(line 437) no Hoare annotation was computed. [2020-07-20 10:44:31,825 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 372 474) no Hoare annotation was computed. [2020-07-20 10:44:31,826 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-07-20 10:44:31,826 INFO L268 CegarLoopResult]: For program point L460(lines 460 471) no Hoare annotation was computed. [2020-07-20 10:44:31,826 INFO L268 CegarLoopResult]: For program point L423(lines 423 427) no Hoare annotation was computed. [2020-07-20 10:44:31,826 INFO L268 CegarLoopResult]: For program point L421-2(lines 421 441) no Hoare annotation was computed. [2020-07-20 10:44:31,826 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 977 986) no Hoare annotation was computed. [2020-07-20 10:44:31,826 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 977 986) no Hoare annotation was computed. [2020-07-20 10:44:31,826 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2020-07-20 10:44:31,826 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:31,827 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 10:44:31,827 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:31,827 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 848 864) no Hoare annotation was computed. [2020-07-20 10:44:31,827 INFO L264 CegarLoopResult]: At program point L859(line 859) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:31,827 INFO L268 CegarLoopResult]: For program point L859-1(lines 848 864) no Hoare annotation was computed. [2020-07-20 10:44:31,827 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 848 864) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:31,828 INFO L268 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2020-07-20 10:44:31,828 INFO L264 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:31,828 INFO L268 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-07-20 10:44:31,828 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-20 10:44:31,828 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-20 10:44:31,828 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-20 10:44:31,828 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 929 947) no Hoare annotation was computed. [2020-07-20 10:44:31,829 INFO L268 CegarLoopResult]: For program point L938(lines 938 942) no Hoare annotation was computed. [2020-07-20 10:44:31,829 INFO L271 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: true [2020-07-20 10:44:31,829 INFO L268 CegarLoopResult]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2020-07-20 10:44:31,829 INFO L268 CegarLoopResult]: For program point L936-1(line 936) no Hoare annotation was computed. [2020-07-20 10:44:31,829 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 929 947) the Hoare annotation is: true [2020-07-20 10:44:31,829 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 929 947) no Hoare annotation was computed. [2020-07-20 10:44:31,829 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-20 10:44:31,830 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2020-07-20 10:44:31,830 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-20 10:44:31,830 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:31,830 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:44:31,830 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:31,830 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-20 10:44:31,830 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-20 10:44:31,831 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-20 10:44:31,831 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse5 .cse6 .cse2) (or .cse0 .cse5 .cse6 .cse2 .cse3)))) [2020-07-20 10:44:31,831 INFO L264 CegarLoopResult]: At program point L767(lines 767 773) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (<= ~waterLevel~0 1)) (.cse5 (<= 1 ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12 .cse5)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse4 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse12)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (let ((.cse2 (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 2) .cse3) (and .cse2 .cse4 .cse5) .cse6 .cse7)) (or .cse8 .cse0 .cse1 (and .cse4 .cse3)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse8 .cse0 .cse9 .cse10 .cse11) (or .cse0 .cse9 .cse10 .cse11 .cse6 .cse7)))) [2020-07-20 10:44:31,832 INFO L264 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse0 .cse4) (or .cse0 .cse4 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 10:44:31,832 INFO L268 CegarLoopResult]: For program point L760(lines 756 778) no Hoare annotation was computed. [2020-07-20 10:44:31,832 INFO L268 CegarLoopResult]: For program point L758(lines 756 778) no Hoare annotation was computed. [2020-07-20 10:44:31,832 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 753 779) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-20 10:44:31,832 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 753 779) no Hoare annotation was computed. [2020-07-20 10:44:31,833 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 753 779) no Hoare annotation was computed. [2020-07-20 10:44:31,833 INFO L271 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: true [2020-07-20 10:44:31,833 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 570 599) no Hoare annotation was computed. [2020-07-20 10:44:31,858 INFO L268 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-07-20 10:44:31,859 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 570 599) the Hoare annotation is: true [2020-07-20 10:44:31,859 INFO L271 CegarLoopResult]: At program point L595(lines 570 599) the Hoare annotation is: true [2020-07-20 10:44:31,859 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-20 10:44:31,859 INFO L268 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-07-20 10:44:31,859 INFO L271 CegarLoopResult]: At program point L584-1(lines 584 588) the Hoare annotation is: true [2020-07-20 10:44:31,859 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-20 10:44:31,859 INFO L271 CegarLoopResult]: At program point L580-2(lines 580 594) the Hoare annotation is: true [2020-07-20 10:44:31,859 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 10:44:31,859 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-20 10:44:31,859 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-20 10:44:31,860 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 625 631) no Hoare annotation was computed. [2020-07-20 10:44:31,860 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 625 631) the Hoare annotation is: true [2020-07-20 10:44:31,860 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:31,860 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:44:31,860 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:44:31,860 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:31,860 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2020-07-20 10:44:31,860 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse2 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse3 .cse2))) [2020-07-20 10:44:31,860 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2020-07-20 10:44:31,861 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 788 812) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:31,861 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:31,861 INFO L268 CegarLoopResult]: For program point L796(lines 796 804) no Hoare annotation was computed. [2020-07-20 10:44:31,861 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 788 812) no Hoare annotation was computed. [2020-07-20 10:44:31,861 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:31,861 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-07-20 10:44:31,861 INFO L268 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-07-20 10:44:31,861 INFO L264 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:31,862 INFO L268 CegarLoopResult]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2020-07-20 10:44:31,862 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:31,862 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-20 10:44:31,862 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-20 10:44:31,862 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-20 10:44:31,862 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 671 678) no Hoare annotation was computed. [2020-07-20 10:44:31,862 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2020-07-20 10:44:31,862 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 671 678) the Hoare annotation is: true [2020-07-20 10:44:31,862 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 671 678) no Hoare annotation was computed. [2020-07-20 10:44:31,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:44:31 BoogieIcfgContainer [2020-07-20 10:44:31,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:44:31,886 INFO L168 Benchmark]: Toolchain (without parser) took 15357.00 ms. Allocated memory was 142.6 MB in the beginning and 425.7 MB in the end (delta: 283.1 MB). Free memory was 106.1 MB in the beginning and 387.9 MB in the end (delta: -281.8 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:31,887 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 10:44:31,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.35 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 105.7 MB in the beginning and 167.5 MB in the end (delta: -61.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:31,888 INFO L168 Benchmark]: Boogie Preprocessor took 86.64 ms. Allocated memory is still 204.5 MB. Free memory was 167.5 MB in the beginning and 163.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:31,889 INFO L168 Benchmark]: RCFGBuilder took 1177.62 ms. Allocated memory was 204.5 MB in the beginning and 231.7 MB in the end (delta: 27.3 MB). Free memory was 163.0 MB in the beginning and 175.5 MB in the end (delta: -12.5 MB). Peak memory consumption was 70.4 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:31,890 INFO L168 Benchmark]: TraceAbstraction took 13370.02 ms. Allocated memory was 231.7 MB in the beginning and 425.7 MB in the end (delta: 194.0 MB). Free memory was 175.5 MB in the beginning and 387.9 MB in the end (delta: -212.3 MB). Peak memory consumption was 234.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:31,893 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.35 ms. Allocated memory was 142.6 MB in the beginning and 204.5 MB in the end (delta: 61.9 MB). Free memory was 105.7 MB in the beginning and 167.5 MB in the end (delta: -61.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.64 ms. Allocated memory is still 204.5 MB. Free memory was 167.5 MB in the beginning and 163.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1177.62 ms. Allocated memory was 204.5 MB in the beginning and 231.7 MB in the end (delta: 27.3 MB). Free memory was 163.0 MB in the beginning and 175.5 MB in the end (delta: -12.5 MB). Peak memory consumption was 70.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13370.02 ms. Allocated memory was 231.7 MB in the beginning and 425.7 MB in the end (delta: 194.0 MB). Free memory was 175.5 MB in the beginning and 387.9 MB in the end (delta: -212.3 MB). Peak memory consumption was 234.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 675]: 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: 690]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 256 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1775 SDtfs, 1175 SDslu, 3210 SDs, 0 SdLazy, 2168 SolverSat, 486 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1063 GetRequests, 1002 SyntacticMatches, 6 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=517occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 198 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1013 PreInvPairs, 1097 NumberOfFragments, 1766 HoareAnnotationTreeSize, 1013 FomulaSimplifications, 1396 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 69 FomulaSimplificationsInter, 7730 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 872 NumberOfCodeBlocks, 872 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1036 ConstructedInterpolants, 0 QuantifiedInterpolants, 239110 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7122 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 88/110 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...