/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_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:44:12,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:44:12,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:44:12,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:44:12,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:44:12,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:44:12,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:44:12,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:44:12,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:44:12,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:44:12,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:44:12,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:44:12,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:44:12,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:44:12,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:44:12,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:44:12,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:44:12,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:44:12,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:44:12,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:44:12,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:44:12,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:44:12,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:44:12,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:44:12,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:44:12,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:44:12,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:44:12,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:44:12,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:44:12,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:44:12,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:44:12,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:44:12,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:44:12,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:44:12,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:44:12,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:44:12,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:44:12,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:44:12,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:44:12,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:44:12,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:44:12,282 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 10:44:12,303 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:44:12,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:44:12,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:44:12,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:44:12,305 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:44:12,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:44:12,305 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:44:12,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:44:12,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:44:12,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:44:12,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:44:12,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:44:12,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:44:12,306 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:44:12,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:44:12,307 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:44:12,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:44:12,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:44:12,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:44:12,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:44:12,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:44:12,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:44:12,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:44:12,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:44:12,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:44:12,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:44:12,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:12,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:44:12,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:44:12,310 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 10:44:12,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:44:12,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:44:12,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:44:12,609 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:44:12,609 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:44:12,610 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-07-20 10:44:12,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8033d156/65bfadd4e4aa4690b4dde525eba26ffa/FLAG14275706f [2020-07-20 10:44:13,179 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:44:13,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-07-20 10:44:13,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8033d156/65bfadd4e4aa4690b4dde525eba26ffa/FLAG14275706f [2020-07-20 10:44:13,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8033d156/65bfadd4e4aa4690b4dde525eba26ffa [2020-07-20 10:44:13,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:44:13,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:44:13,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:13,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:44:13,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:44:13,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:13" (1/1) ... [2020-07-20 10:44:13,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc0eb90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:13, skipping insertion in model container [2020-07-20 10:44:13,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:13" (1/1) ... [2020-07-20 10:44:13,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:44:13,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:44:14,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:44:14,146 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:44:14,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:44:14,253 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:44:14,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:14 WrapperNode [2020-07-20 10:44:14,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:14,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:44:14,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:44:14,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:44:14,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:14" (1/1) ... [2020-07-20 10:44:14,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:14" (1/1) ... [2020-07-20 10:44:14,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:14" (1/1) ... [2020-07-20 10:44:14,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:14" (1/1) ... [2020-07-20 10:44:14,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:14" (1/1) ... [2020-07-20 10:44:14,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:14" (1/1) ... [2020-07-20 10:44:14,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:14" (1/1) ... [2020-07-20 10:44:14,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:44:14,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:44:14,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:44:14,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:44:14,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:14" (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 10:44:14,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:44:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:44:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:44:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:44:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:44:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:44:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:44:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:44:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:44:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:44:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:44:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:44:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:44:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:44:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 10:44:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:44:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:44:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:44:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:44:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:44:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:44:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:44:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:44:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:44:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 10:44:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:44:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:44:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:44:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:44:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:44:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:44:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:44:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:44:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:44:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:44:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:44:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:44:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:44:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:44:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:44:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:44:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:44:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:44:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:44:14,416 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:44:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:44:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:44:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:44:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:44:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:44:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:44:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:44:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:44:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:44:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:44:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:44:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:44:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:44:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:44:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:44:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:44:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:44:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:44:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 10:44:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:44:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:44:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:44:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:44:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:44:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:44:14,419 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:44:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 10:44:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:44:14,420 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:44:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:44:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:44:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:44:14,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:44:14,422 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:44:14,422 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:44:14,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:44:14,422 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:44:14,422 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:44:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:44:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:44:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:44:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:44:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:44:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:44:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:44:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:44:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:44:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:44:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:44:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:44:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:44:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:44:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:44:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:44:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:44:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:44:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:44:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:44:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:44:15,511 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:44:15,512 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:44:15,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:15 BoogieIcfgContainer [2020-07-20 10:44:15,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:44:15,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:44:15,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:44:15,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:44:15,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:44:13" (1/3) ... [2020-07-20 10:44:15,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f23d189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:15, skipping insertion in model container [2020-07-20 10:44:15,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:14" (2/3) ... [2020-07-20 10:44:15,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f23d189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:15, skipping insertion in model container [2020-07-20 10:44:15,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:15" (3/3) ... [2020-07-20 10:44:15,525 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-07-20 10:44:15,535 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:44:15,543 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:44:15,557 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:44:15,581 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:44:15,581 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:44:15,581 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:44:15,581 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:44:15,583 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:44:15,583 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:44:15,583 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:44:15,584 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:44:15,608 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2020-07-20 10:44:15,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:44:15,618 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:15,619 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:15,620 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:15,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:15,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1747867680, now seen corresponding path program 1 times [2020-07-20 10:44:15,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:15,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [686885943] [2020-07-20 10:44:15,635 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 10:44:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:15,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:44:15,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:16,000 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 10:44:16,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:16,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [686885943] [2020-07-20 10:44:16,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:16,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:44:16,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612766026] [2020-07-20 10:44:16,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:44:16,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:16,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:44:16,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:44:16,034 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 2 states. [2020-07-20 10:44:16,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:16,100 INFO L93 Difference]: Finished difference Result 328 states and 405 transitions. [2020-07-20 10:44:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:44:16,101 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 10:44:16,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:16,115 INFO L225 Difference]: With dead ends: 328 [2020-07-20 10:44:16,115 INFO L226 Difference]: Without dead ends: 166 [2020-07-20 10:44:16,120 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 10:44:16,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-20 10:44:16,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-07-20 10:44:16,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-07-20 10:44:16,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 196 transitions. [2020-07-20 10:44:16,180 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 196 transitions. Word has length 59 [2020-07-20 10:44:16,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:16,180 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 196 transitions. [2020-07-20 10:44:16,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:44:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 196 transitions. [2020-07-20 10:44:16,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 10:44:16,185 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:16,185 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 10:44:16,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:16,399 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:16,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:16,400 INFO L82 PathProgramCache]: Analyzing trace with hash 2102602730, now seen corresponding path program 1 times [2020-07-20 10:44:16,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:16,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1774413810] [2020-07-20 10:44:16,402 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 10:44:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:16,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:44:16,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:16,706 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 10:44:16,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:16,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1774413810] [2020-07-20 10:44:16,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:16,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:16,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097387679] [2020-07-20 10:44:16,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:16,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:16,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:16,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:16,712 INFO L87 Difference]: Start difference. First operand 166 states and 196 transitions. Second operand 3 states. [2020-07-20 10:44:16,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:16,745 INFO L93 Difference]: Finished difference Result 267 states and 315 transitions. [2020-07-20 10:44:16,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:16,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 10:44:16,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:16,748 INFO L225 Difference]: With dead ends: 267 [2020-07-20 10:44:16,749 INFO L226 Difference]: Without dead ends: 157 [2020-07-20 10:44:16,750 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 10:44:16,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-07-20 10:44:16,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2020-07-20 10:44:16,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-07-20 10:44:16,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 184 transitions. [2020-07-20 10:44:16,768 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 184 transitions. Word has length 60 [2020-07-20 10:44:16,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:16,768 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 184 transitions. [2020-07-20 10:44:16,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 184 transitions. [2020-07-20 10:44:16,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 10:44:16,771 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:16,771 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 10:44:16,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:16,985 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:16,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:16,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1388581610, now seen corresponding path program 1 times [2020-07-20 10:44:16,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:16,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [103627285] [2020-07-20 10:44:16,986 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 10:44:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:17,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:17,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:17,251 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 10:44:17,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:17,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [103627285] [2020-07-20 10:44:17,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:17,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:17,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790022574] [2020-07-20 10:44:17,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:17,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:17,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:17,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:17,255 INFO L87 Difference]: Start difference. First operand 157 states and 184 transitions. Second operand 3 states. [2020-07-20 10:44:17,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:17,292 INFO L93 Difference]: Finished difference Result 411 states and 495 transitions. [2020-07-20 10:44:17,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:17,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 10:44:17,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:17,296 INFO L225 Difference]: With dead ends: 411 [2020-07-20 10:44:17,297 INFO L226 Difference]: Without dead ends: 282 [2020-07-20 10:44:17,298 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 10:44:17,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-07-20 10:44:17,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 276. [2020-07-20 10:44:17,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-07-20 10:44:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 331 transitions. [2020-07-20 10:44:17,329 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 331 transitions. Word has length 65 [2020-07-20 10:44:17,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:17,330 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 331 transitions. [2020-07-20 10:44:17,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 331 transitions. [2020-07-20 10:44:17,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 10:44:17,334 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:17,334 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:17,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:17,549 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:17,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:17,549 INFO L82 PathProgramCache]: Analyzing trace with hash -262157671, now seen corresponding path program 1 times [2020-07-20 10:44:17,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:17,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868916848] [2020-07-20 10:44:17,550 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 10:44:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:17,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:17,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:17,775 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 10:44:17,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:17,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868916848] [2020-07-20 10:44:17,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:17,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:17,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374473891] [2020-07-20 10:44:17,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:17,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:17,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:17,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:17,778 INFO L87 Difference]: Start difference. First operand 276 states and 331 transitions. Second operand 6 states. [2020-07-20 10:44:18,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:18,022 INFO L93 Difference]: Finished difference Result 656 states and 825 transitions. [2020-07-20 10:44:18,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:44:18,022 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 10:44:18,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:18,027 INFO L225 Difference]: With dead ends: 656 [2020-07-20 10:44:18,027 INFO L226 Difference]: Without dead ends: 408 [2020-07-20 10:44:18,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:44:18,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-07-20 10:44:18,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 398. [2020-07-20 10:44:18,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-07-20 10:44:18,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 481 transitions. [2020-07-20 10:44:18,065 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 481 transitions. Word has length 70 [2020-07-20 10:44:18,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:18,065 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 481 transitions. [2020-07-20 10:44:18,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:18,066 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 481 transitions. [2020-07-20 10:44:18,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 10:44:18,068 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:18,068 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] [2020-07-20 10:44:18,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:18,283 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:18,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:18,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1621424268, now seen corresponding path program 1 times [2020-07-20 10:44:18,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:18,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795524819] [2020-07-20 10:44:18,286 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 10:44:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:18,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:18,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:18,554 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 10:44:18,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:18,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795524819] [2020-07-20 10:44:18,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:18,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:18,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441228682] [2020-07-20 10:44:18,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:18,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:18,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:18,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:18,556 INFO L87 Difference]: Start difference. First operand 398 states and 481 transitions. Second operand 6 states. [2020-07-20 10:44:18,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:18,597 INFO L93 Difference]: Finished difference Result 778 states and 962 transitions. [2020-07-20 10:44:18,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:44:18,597 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2020-07-20 10:44:18,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:18,600 INFO L225 Difference]: With dead ends: 778 [2020-07-20 10:44:18,601 INFO L226 Difference]: Without dead ends: 408 [2020-07-20 10:44:18,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 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 10:44:18,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-07-20 10:44:18,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2020-07-20 10:44:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-07-20 10:44:18,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 491 transitions. [2020-07-20 10:44:18,626 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 491 transitions. Word has length 98 [2020-07-20 10:44:18,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:18,626 INFO L479 AbstractCegarLoop]: Abstraction has 408 states and 491 transitions. [2020-07-20 10:44:18,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:18,627 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 491 transitions. [2020-07-20 10:44:18,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 10:44:18,628 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:18,629 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] [2020-07-20 10:44:18,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:18,843 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:18,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:18,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1693810826, now seen corresponding path program 1 times [2020-07-20 10:44:18,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:18,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [442184656] [2020-07-20 10:44:18,844 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 10:44:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:19,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:44:19,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:19,043 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 10:44:19,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:19,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [442184656] [2020-07-20 10:44:19,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:19,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:44:19,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077416911] [2020-07-20 10:44:19,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:44:19,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:19,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:44:19,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:44:19,046 INFO L87 Difference]: Start difference. First operand 408 states and 491 transitions. Second operand 5 states. [2020-07-20 10:44:19,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:19,077 INFO L93 Difference]: Finished difference Result 802 states and 1004 transitions. [2020-07-20 10:44:19,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:44:19,078 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-07-20 10:44:19,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:19,081 INFO L225 Difference]: With dead ends: 802 [2020-07-20 10:44:19,081 INFO L226 Difference]: Without dead ends: 422 [2020-07-20 10:44:19,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 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 10:44:19,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-07-20 10:44:19,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 416. [2020-07-20 10:44:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-07-20 10:44:19,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 499 transitions. [2020-07-20 10:44:19,112 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 499 transitions. Word has length 98 [2020-07-20 10:44:19,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:19,113 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 499 transitions. [2020-07-20 10:44:19,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:44:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 499 transitions. [2020-07-20 10:44:19,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 10:44:19,118 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:19,118 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] [2020-07-20 10:44:19,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:19,333 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:19,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:19,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1364045065, now seen corresponding path program 1 times [2020-07-20 10:44:19,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:19,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1225994519] [2020-07-20 10:44:19,336 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 10:44:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:19,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:44:19,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:19,566 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 10:44:19,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:19,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1225994519] [2020-07-20 10:44:19,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:19,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:19,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256018713] [2020-07-20 10:44:19,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:19,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:19,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:19,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:19,569 INFO L87 Difference]: Start difference. First operand 416 states and 499 transitions. Second operand 3 states. [2020-07-20 10:44:19,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:19,614 INFO L93 Difference]: Finished difference Result 1150 states and 1461 transitions. [2020-07-20 10:44:19,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:19,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-07-20 10:44:19,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:19,620 INFO L225 Difference]: With dead ends: 1150 [2020-07-20 10:44:19,620 INFO L226 Difference]: Without dead ends: 762 [2020-07-20 10:44:19,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 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 10:44:19,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-07-20 10:44:19,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 759. [2020-07-20 10:44:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2020-07-20 10:44:19,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 936 transitions. [2020-07-20 10:44:19,661 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 936 transitions. Word has length 98 [2020-07-20 10:44:19,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:19,662 INFO L479 AbstractCegarLoop]: Abstraction has 759 states and 936 transitions. [2020-07-20 10:44:19,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:19,662 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 936 transitions. [2020-07-20 10:44:19,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-20 10:44:19,665 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:19,665 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] [2020-07-20 10:44:19,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:19,881 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:19,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:19,882 INFO L82 PathProgramCache]: Analyzing trace with hash 884836017, now seen corresponding path program 1 times [2020-07-20 10:44:19,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:19,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454676725] [2020-07-20 10:44:19,884 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 10:44:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:20,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 10:44:20,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:20,178 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 10:44:20,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:20,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454676725] [2020-07-20 10:44:20,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:20,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 10:44:20,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604747041] [2020-07-20 10:44:20,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:20,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:20,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:20,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:20,182 INFO L87 Difference]: Start difference. First operand 759 states and 936 transitions. Second operand 10 states. [2020-07-20 10:44:21,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:21,737 INFO L93 Difference]: Finished difference Result 2202 states and 3047 transitions. [2020-07-20 10:44:21,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 10:44:21,738 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 102 [2020-07-20 10:44:21,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:21,748 INFO L225 Difference]: With dead ends: 2202 [2020-07-20 10:44:21,748 INFO L226 Difference]: Without dead ends: 1471 [2020-07-20 10:44:21,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 10:44:21,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2020-07-20 10:44:21,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1096. [2020-07-20 10:44:21,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1096 states. [2020-07-20 10:44:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1351 transitions. [2020-07-20 10:44:21,857 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1351 transitions. Word has length 102 [2020-07-20 10:44:21,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:21,858 INFO L479 AbstractCegarLoop]: Abstraction has 1096 states and 1351 transitions. [2020-07-20 10:44:21,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1351 transitions. [2020-07-20 10:44:21,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-20 10:44:21,863 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:21,863 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:22,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:22,077 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:22,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:22,078 INFO L82 PathProgramCache]: Analyzing trace with hash -36211005, now seen corresponding path program 1 times [2020-07-20 10:44:22,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:22,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929266856] [2020-07-20 10:44:22,079 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 10:44:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:22,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:44:22,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 10:44:22,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:22,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929266856] [2020-07-20 10:44:22,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:22,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:22,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382625262] [2020-07-20 10:44:22,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:22,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:22,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:22,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:22,283 INFO L87 Difference]: Start difference. First operand 1096 states and 1351 transitions. Second operand 3 states. [2020-07-20 10:44:22,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:22,377 INFO L93 Difference]: Finished difference Result 1835 states and 2260 transitions. [2020-07-20 10:44:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:22,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-07-20 10:44:22,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:22,383 INFO L225 Difference]: With dead ends: 1835 [2020-07-20 10:44:22,383 INFO L226 Difference]: Without dead ends: 767 [2020-07-20 10:44:22,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 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 10:44:22,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2020-07-20 10:44:22,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 747. [2020-07-20 10:44:22,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-07-20 10:44:22,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 898 transitions. [2020-07-20 10:44:22,427 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 898 transitions. Word has length 143 [2020-07-20 10:44:22,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:22,428 INFO L479 AbstractCegarLoop]: Abstraction has 747 states and 898 transitions. [2020-07-20 10:44:22,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:22,428 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 898 transitions. [2020-07-20 10:44:22,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-20 10:44:22,431 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:22,431 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, 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, 1, 1] [2020-07-20 10:44:22,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:22,645 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:22,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:22,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1627137653, now seen corresponding path program 1 times [2020-07-20 10:44:22,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:22,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1358045991] [2020-07-20 10:44:22,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:22,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:22,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:22,939 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:22,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:44:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 10:44:23,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1358045991] [2020-07-20 10:44:23,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:44:23,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 10:44:23,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385481093] [2020-07-20 10:44:23,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:23,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:23,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:23,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:23,386 INFO L87 Difference]: Start difference. First operand 747 states and 898 transitions. Second operand 10 states. [2020-07-20 10:44:24,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:24,273 INFO L93 Difference]: Finished difference Result 1641 states and 1988 transitions. [2020-07-20 10:44:24,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 10:44:24,273 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 180 [2020-07-20 10:44:24,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:24,274 INFO L225 Difference]: With dead ends: 1641 [2020-07-20 10:44:24,275 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:44:24,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 347 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 10:44:24,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:44:24,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:44:24,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:44:24,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:44:24,279 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2020-07-20 10:44:24,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:24,280 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:44:24,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:24,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:44:24,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:44:24,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:24,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:44:25,958 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 10:44:26,331 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-07-20 10:44:26,466 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 10:44:26,629 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-20 10:44:27,068 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 45 [2020-07-20 10:44:27,336 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-07-20 10:44:27,652 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-20 10:44:28,153 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-20 10:44:28,344 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-20 10:44:28,475 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-07-20 10:44:28,844 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2020-07-20 10:44:29,335 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-07-20 10:44:29,574 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 10:44:29,865 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-20 10:44:30,386 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2020-07-20 10:44:30,392 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 627 682) no Hoare annotation was computed. [2020-07-20 10:44:30,392 INFO L268 CegarLoopResult]: For program point L658(lines 658 662) no Hoare annotation was computed. [2020-07-20 10:44:30,392 INFO L268 CegarLoopResult]: For program point L658-1(lines 658 662) no Hoare annotation was computed. [2020-07-20 10:44:30,393 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-07-20 10:44:30,393 INFO L268 CegarLoopResult]: For program point L652-2(lines 652 673) no Hoare annotation was computed. [2020-07-20 10:44:30,393 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 627 682) no Hoare annotation was computed. [2020-07-20 10:44:30,393 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 627 682) no Hoare annotation was computed. [2020-07-20 10:44:30,393 INFO L268 CegarLoopResult]: For program point L674(lines 651 675) no Hoare annotation was computed. [2020-07-20 10:44:30,393 INFO L268 CegarLoopResult]: For program point L735(lines 708 736) no Hoare annotation was computed. [2020-07-20 10:44:30,394 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-07-20 10:44:30,394 INFO L268 CegarLoopResult]: For program point L728-1(line 728) no Hoare annotation was computed. [2020-07-20 10:44:30,394 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 683 742) no Hoare annotation was computed. [2020-07-20 10:44:30,394 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 683 742) no Hoare annotation was computed. [2020-07-20 10:44:30,394 INFO L268 CegarLoopResult]: For program point L715(lines 715 719) no Hoare annotation was computed. [2020-07-20 10:44:30,394 INFO L268 CegarLoopResult]: For program point L715-1(lines 715 719) no Hoare annotation was computed. [2020-07-20 10:44:30,394 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 683 742) no Hoare annotation was computed. [2020-07-20 10:44:30,394 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-07-20 10:44:30,394 INFO L268 CegarLoopResult]: For program point L709-2(lines 709 734) no Hoare annotation was computed. [2020-07-20 10:44:30,395 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 500 506) the Hoare annotation is: true [2020-07-20 10:44:30,395 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 500 506) no Hoare annotation was computed. [2020-07-20 10:44:30,395 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 507 515) no Hoare annotation was computed. [2020-07-20 10:44:30,395 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 507 515) the Hoare annotation is: true [2020-07-20 10:44:30,395 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 507 515) no Hoare annotation was computed. [2020-07-20 10:44:30,395 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 527 534) the Hoare annotation is: true [2020-07-20 10:44:30,395 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 527 534) no Hoare annotation was computed. [2020-07-20 10:44:30,396 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 527 534) no Hoare annotation was computed. [2020-07-20 10:44:30,396 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 535 544) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:30,396 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-07-20 10:44:30,396 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 535 544) no Hoare annotation was computed. [2020-07-20 10:44:30,396 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 535 544) no Hoare annotation was computed. [2020-07-20 10:44:30,396 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 545 573) the Hoare annotation is: true [2020-07-20 10:44:30,397 INFO L264 CegarLoopResult]: At program point L560(line 560) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 10:44:30,397 INFO L268 CegarLoopResult]: For program point L558(lines 558 564) no Hoare annotation was computed. [2020-07-20 10:44:30,397 INFO L268 CegarLoopResult]: For program point L557(lines 557 567) no Hoare annotation was computed. [2020-07-20 10:44:30,397 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 545 573) no Hoare annotation was computed. [2020-07-20 10:44:30,397 INFO L264 CegarLoopResult]: At program point L555(line 555) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:44:30,397 INFO L268 CegarLoopResult]: For program point L555-1(line 555) no Hoare annotation was computed. [2020-07-20 10:44:30,398 INFO L268 CegarLoopResult]: For program point L553(lines 553 570) no Hoare annotation was computed. [2020-07-20 10:44:30,398 INFO L268 CegarLoopResult]: For program point L553-1(lines 545 573) no Hoare annotation was computed. [2020-07-20 10:44:30,398 INFO L271 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: true [2020-07-20 10:44:30,398 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-07-20 10:44:30,398 INFO L264 CegarLoopResult]: At program point L1026-1(line 1026) 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 10:44:30,398 INFO L268 CegarLoopResult]: For program point L1024(lines 1024 1031) no Hoare annotation was computed. [2020-07-20 10:44:30,398 INFO L268 CegarLoopResult]: For program point L1024-1(lines 1024 1031) no Hoare annotation was computed. [2020-07-20 10:44:30,398 INFO L268 CegarLoopResult]: For program point L1022(line 1022) no Hoare annotation was computed. [2020-07-20 10:44:30,398 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1014 1036) 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 10:44:30,399 INFO L264 CegarLoopResult]: At program point L1021(line 1021) 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 10:44:30,399 INFO L264 CegarLoopResult]: At program point L1020(line 1020) 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 10:44:30,399 INFO L264 CegarLoopResult]: At program point L1020-1(line 1020) 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 10:44:30,399 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1014 1036) no Hoare annotation was computed. [2020-07-20 10:44:30,399 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 1014 1036) no Hoare annotation was computed. [2020-07-20 10:44:30,399 INFO L264 CegarLoopResult]: At program point L1026(line 1026) 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 10:44:30,399 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 972 995) no Hoare annotation was computed. [2020-07-20 10:44:30,399 INFO L268 CegarLoopResult]: For program point L990(line 990) no Hoare annotation was computed. [2020-07-20 10:44:30,399 INFO L268 CegarLoopResult]: For program point L989(line 989) no Hoare annotation was computed. [2020-07-20 10:44:30,400 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 972 995) no Hoare annotation was computed. [2020-07-20 10:44:30,400 INFO L268 CegarLoopResult]: For program point L988(line 988) no Hoare annotation was computed. [2020-07-20 10:44:30,400 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 972 995) no Hoare annotation was computed. [2020-07-20 10:44:30,400 INFO L268 CegarLoopResult]: For program point L987(line 987) no Hoare annotation was computed. [2020-07-20 10:44:30,400 INFO L268 CegarLoopResult]: For program point L986(line 986) no Hoare annotation was computed. [2020-07-20 10:44:30,400 INFO L268 CegarLoopResult]: For program point L985(line 985) no Hoare annotation was computed. [2020-07-20 10:44:30,400 INFO L268 CegarLoopResult]: For program point L984(line 984) no Hoare annotation was computed. [2020-07-20 10:44:30,400 INFO L268 CegarLoopResult]: For program point L983(line 983) no Hoare annotation was computed. [2020-07-20 10:44:30,400 INFO L268 CegarLoopResult]: For program point L982(line 982) no Hoare annotation was computed. [2020-07-20 10:44:30,400 INFO L268 CegarLoopResult]: For program point L981(line 981) no Hoare annotation was computed. [2020-07-20 10:44:30,400 INFO L268 CegarLoopResult]: For program point L980(line 980) no Hoare annotation was computed. [2020-07-20 10:44:30,400 INFO L268 CegarLoopResult]: For program point L979(line 979) no Hoare annotation was computed. [2020-07-20 10:44:30,401 INFO L268 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-07-20 10:44:30,401 INFO L268 CegarLoopResult]: For program point L977(line 977) no Hoare annotation was computed. [2020-07-20 10:44:30,401 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 385 399) no Hoare annotation was computed. [2020-07-20 10:44:30,401 INFO L264 CegarLoopResult]: At program point L391(line 391) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 10:44:30,401 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 385 399) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 10:44:30,401 INFO L268 CegarLoopResult]: For program point L389(lines 389 395) no Hoare annotation was computed. [2020-07-20 10:44:30,402 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 385 399) no Hoare annotation was computed. [2020-07-20 10:44:30,402 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 302 310) no Hoare annotation was computed. [2020-07-20 10:44:30,402 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 302 310) the Hoare annotation is: true [2020-07-20 10:44:30,402 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 302 310) no Hoare annotation was computed. [2020-07-20 10:44:30,402 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 366 384) the Hoare annotation is: true [2020-07-20 10:44:30,402 INFO L268 CegarLoopResult]: For program point L375(lines 375 379) no Hoare annotation was computed. [2020-07-20 10:44:30,402 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 366 384) no Hoare annotation was computed. [2020-07-20 10:44:30,402 INFO L271 CegarLoopResult]: At program point L373(line 373) the Hoare annotation is: true [2020-07-20 10:44:30,403 INFO L268 CegarLoopResult]: For program point L375-2(lines 375 379) no Hoare annotation was computed. [2020-07-20 10:44:30,403 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-20 10:44:30,403 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 366 384) no Hoare annotation was computed. [2020-07-20 10:44:30,403 INFO L268 CegarLoopResult]: For program point L318(lines 318 326) no Hoare annotation was computed. [2020-07-20 10:44:30,403 INFO L268 CegarLoopResult]: For program point L318-2(lines 318 326) no Hoare annotation was computed. [2020-07-20 10:44:30,403 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-20 10:44:30,403 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-20 10:44:30,403 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 311 346) no Hoare annotation was computed. [2020-07-20 10:44:30,404 INFO L268 CegarLoopResult]: For program point L330(lines 330 338) no Hoare annotation was computed. [2020-07-20 10:44:30,404 INFO L268 CegarLoopResult]: For program point L330-2(lines 330 338) no Hoare annotation was computed. [2020-07-20 10:44:30,404 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 311 346) no Hoare annotation was computed. [2020-07-20 10:44:30,404 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 311 346) no Hoare annotation was computed. [2020-07-20 10:44:30,404 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 493 499) no Hoare annotation was computed. [2020-07-20 10:44:30,404 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 493 499) the Hoare annotation is: true [2020-07-20 10:44:30,404 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 581 626) no Hoare annotation was computed. [2020-07-20 10:44:30,404 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 581 626) no Hoare annotation was computed. [2020-07-20 10:44:30,404 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 581 626) no Hoare annotation was computed. [2020-07-20 10:44:30,405 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 894 939) no Hoare annotation was computed. [2020-07-20 10:44:30,405 INFO L268 CegarLoopResult]: For program point L914(lines 914 921) no Hoare annotation was computed. [2020-07-20 10:44:30,405 INFO L268 CegarLoopResult]: For program point L908(lines 908 928) no Hoare annotation was computed. [2020-07-20 10:44:30,405 INFO L268 CegarLoopResult]: For program point L908-1(lines 908 928) no Hoare annotation was computed. [2020-07-20 10:44:30,405 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 894 939) no Hoare annotation was computed. [2020-07-20 10:44:30,405 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 894 939) no Hoare annotation was computed. [2020-07-20 10:44:30,405 INFO L264 CegarLoopResult]: At program point L1008(line 1008) 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 10:44:30,406 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 1003 1013) 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 10:44:30,406 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 1003 1013) no Hoare annotation was computed. [2020-07-20 10:44:30,406 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 1003 1013) no Hoare annotation was computed. [2020-07-20 10:44:30,406 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 291 301) the Hoare annotation is: true [2020-07-20 10:44:30,406 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 291 301) no Hoare annotation was computed. [2020-07-20 10:44:30,406 INFO L271 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: true [2020-07-20 10:44:30,406 INFO L268 CegarLoopResult]: For program point L296-1(line 296) no Hoare annotation was computed. [2020-07-20 10:44:30,406 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 291 301) no Hoare annotation was computed. [2020-07-20 10:44:30,407 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 283 290) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 10:44:30,407 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 283 290) no Hoare annotation was computed. [2020-07-20 10:44:30,407 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 283 290) no Hoare annotation was computed. [2020-07-20 10:44:30,407 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-20 10:44:30,407 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-20 10:44:30,407 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-20 10:44:30,407 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-20 10:44:30,407 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:30,408 INFO L268 CegarLoopResult]: For program point L256-1(line 256) no Hoare annotation was computed. [2020-07-20 10:44:30,408 INFO L268 CegarLoopResult]: For program point L254(lines 254 271) no Hoare annotation was computed. [2020-07-20 10:44:30,408 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2020-07-20 10:44:30,408 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:30,408 INFO L264 CegarLoopResult]: At program point L269(line 269) 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 10:44:30,408 INFO L268 CegarLoopResult]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2020-07-20 10:44:30,408 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:30,409 INFO L264 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:30,409 INFO L268 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2020-07-20 10:44:30,409 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 190 196) no Hoare annotation was computed. [2020-07-20 10:44:30,409 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 190 196) the Hoare annotation is: true [2020-07-20 10:44:30,409 INFO L264 CegarLoopResult]: At program point testENTRY(lines 410 477) 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 10:44:30,409 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:30,410 INFO L268 CegarLoopResult]: For program point L440(lines 440 446) no Hoare annotation was computed. [2020-07-20 10:44:30,410 INFO L268 CegarLoopResult]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2020-07-20 10:44:30,410 INFO L268 CegarLoopResult]: For program point testFINAL(lines 410 477) no Hoare annotation was computed. [2020-07-20 10:44:30,410 INFO L264 CegarLoopResult]: At program point L467(lines 420 469) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:30,410 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:30,410 INFO L268 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-07-20 10:44:30,411 INFO L268 CegarLoopResult]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2020-07-20 10:44:30,411 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-20 10:44:30,412 INFO L264 CegarLoopResult]: At program point L470(lines 419 471) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:30,412 INFO L264 CegarLoopResult]: At program point L460(line 460) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:44:30,412 INFO L268 CegarLoopResult]: For program point L458(lines 458 464) no Hoare annotation was computed. [2020-07-20 10:44:30,412 INFO L264 CegarLoopResult]: At program point L458-1(lines 450 465) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:30,412 INFO L268 CegarLoopResult]: For program point L421(lines 420 469) no Hoare annotation was computed. [2020-07-20 10:44:30,413 INFO L264 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:44:30,413 INFO L268 CegarLoopResult]: For program point testEXIT(lines 410 477) no Hoare annotation was computed. [2020-07-20 10:44:30,413 INFO L268 CegarLoopResult]: For program point L450(lines 450 465) no Hoare annotation was computed. [2020-07-20 10:44:30,413 INFO L268 CegarLoopResult]: For program point L862(lines 862 882) no Hoare annotation was computed. [2020-07-20 10:44:30,413 INFO L268 CegarLoopResult]: For program point L862-1(lines 862 882) no Hoare annotation was computed. [2020-07-20 10:44:30,413 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 848 893) no Hoare annotation was computed. [2020-07-20 10:44:30,413 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 848 893) no Hoare annotation was computed. [2020-07-20 10:44:30,413 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 848 893) no Hoare annotation was computed. [2020-07-20 10:44:30,414 INFO L268 CegarLoopResult]: For program point L868(lines 868 875) no Hoare annotation was computed. [2020-07-20 10:44:30,414 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-20 10:44:30,414 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-20 10:44:30,414 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-20 10:44:30,414 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-20 10:44:30,414 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-20 10:44:30,414 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-20 10:44:30,414 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-20 10:44:30,415 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-20 10:44:30,415 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 483 492) no Hoare annotation was computed. [2020-07-20 10:44:30,415 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 483 492) no Hoare annotation was computed. [2020-07-20 10:44:30,415 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 483 492) no Hoare annotation was computed. [2020-07-20 10:44:30,415 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 745 847) no Hoare annotation was computed. [2020-07-20 10:44:30,416 INFO L268 CegarLoopResult]: For program point L795(lines 794 814) no Hoare annotation was computed. [2020-07-20 10:44:30,416 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-07-20 10:44:30,416 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-07-20 10:44:30,416 INFO L268 CegarLoopResult]: For program point L791(lines 791 832) no Hoare annotation was computed. [2020-07-20 10:44:30,416 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-07-20 10:44:30,416 INFO L268 CegarLoopResult]: For program point L810-1(line 810) no Hoare annotation was computed. [2020-07-20 10:44:30,416 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 745 847) no Hoare annotation was computed. [2020-07-20 10:44:30,416 INFO L268 CegarLoopResult]: For program point L769(lines 769 773) no Hoare annotation was computed. [2020-07-20 10:44:30,416 INFO L268 CegarLoopResult]: For program point L833(lines 833 844) no Hoare annotation was computed. [2020-07-20 10:44:30,417 INFO L268 CegarLoopResult]: For program point L796(lines 796 800) no Hoare annotation was computed. [2020-07-20 10:44:30,417 INFO L268 CegarLoopResult]: For program point L794-2(lines 794 814) no Hoare annotation was computed. [2020-07-20 10:44:30,417 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 745 847) no Hoare annotation was computed. [2020-07-20 10:44:30,417 INFO L268 CegarLoopResult]: For program point L815(lines 793 816) no Hoare annotation was computed. [2020-07-20 10:44:30,418 INFO L268 CegarLoopResult]: For program point L774(lines 774 790) no Hoare annotation was computed. [2020-07-20 10:44:30,418 INFO L268 CegarLoopResult]: For program point L834(lines 834 841) no Hoare annotation was computed. [2020-07-20 10:44:30,418 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:30,418 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-20 10:44:30,418 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:30,418 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 275 282) no Hoare annotation was computed. [2020-07-20 10:44:30,418 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2020-07-20 10:44:30,419 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 275 282) 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 10:44:30,419 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-20 10:44:30,419 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-20 10:44:30,419 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-20 10:44:30,419 INFO L268 CegarLoopResult]: For program point L354-1(line 354) no Hoare annotation was computed. [2020-07-20 10:44:30,419 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 347 365) no Hoare annotation was computed. [2020-07-20 10:44:30,419 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 347 365) the Hoare annotation is: true [2020-07-20 10:44:30,419 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 347 365) no Hoare annotation was computed. [2020-07-20 10:44:30,419 INFO L268 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2020-07-20 10:44:30,420 INFO L271 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: true [2020-07-20 10:44:30,420 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 360) no Hoare annotation was computed. [2020-07-20 10:44:30,420 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-20 10:44:30,420 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2020-07-20 10:44:30,420 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-20 10:44:30,420 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:30,420 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:44:30,420 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:30,420 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-20 10:44:30,421 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-20 10:44:30,421 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-20 10:44:30,421 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-20 10:44:30,422 INFO L264 CegarLoopResult]: At program point L177(lines 177 183) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse11 .cse12 (<= 1 ~switchedOnBeforeTS~0) .cse14)) (.cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse11 .cse14 .cse13)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse11 .cse12)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse7 .cse8) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse9 .cse4 .cse5 .cse6 .cse7) (or .cse9 .cse4 .cse1 .cse3) (or .cse10 .cse0 .cse1 .cse2 .cse8) (or .cse4 (and .cse10 .cse11 .cse12) .cse1 (and .cse10 .cse11 .cse13) .cse2 .cse8)))) [2020-07-20 10:44:30,422 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 163 189) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse10 (and .cse7 .cse11)) (or .cse0 .cse4 .cse10 .cse2 .cse3) (or .cse9 .cse10 (and .cse4 .cse5 .cse11) .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse10) (or .cse0 .cse12 .cse10 .cse13 .cse2) (or .cse12 .cse9 .cse10 .cse13 .cse2) (or .cse0 .cse10 (and .cse5 .cse11) .cse2))) [2020-07-20 10:44:30,423 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 10:44:30,423 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 163 189) no Hoare annotation was computed. [2020-07-20 10:44:30,423 INFO L268 CegarLoopResult]: For program point L170(lines 166 188) no Hoare annotation was computed. [2020-07-20 10:44:30,423 INFO L268 CegarLoopResult]: For program point L168(lines 166 188) no Hoare annotation was computed. [2020-07-20 10:44:30,423 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 163 189) no Hoare annotation was computed. [2020-07-20 10:44:30,423 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 942 971) no Hoare annotation was computed. [2020-07-20 10:44:30,423 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 942 971) the Hoare annotation is: true [2020-07-20 10:44:30,423 INFO L268 CegarLoopResult]: For program point L956(lines 956 960) no Hoare annotation was computed. [2020-07-20 10:44:30,423 INFO L271 CegarLoopResult]: At program point L956-1(lines 956 960) the Hoare annotation is: true [2020-07-20 10:44:30,424 INFO L268 CegarLoopResult]: For program point L953(line 953) no Hoare annotation was computed. [2020-07-20 10:44:30,424 INFO L271 CegarLoopResult]: At program point L952-2(lines 952 966) the Hoare annotation is: true [2020-07-20 10:44:30,424 INFO L271 CegarLoopResult]: At program point L948(line 948) the Hoare annotation is: true [2020-07-20 10:44:30,424 INFO L268 CegarLoopResult]: For program point L948-1(line 948) no Hoare annotation was computed. [2020-07-20 10:44:30,424 INFO L271 CegarLoopResult]: At program point L967(lines 942 971) the Hoare annotation is: true [2020-07-20 10:44:30,424 INFO L268 CegarLoopResult]: For program point L963(line 963) no Hoare annotation was computed. [2020-07-20 10:44:30,424 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 10:44:30,424 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-20 10:44:30,424 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-20 10:44:30,425 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 996 1002) no Hoare annotation was computed. [2020-07-20 10:44:30,425 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 996 1002) the Hoare annotation is: true [2020-07-20 10:44:30,425 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:30,425 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 10:44:30,425 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:44:30,425 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:30,425 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 400 407) no Hoare annotation was computed. [2020-07-20 10:44:30,425 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 400 407) the Hoare annotation is: true [2020-07-20 10:44:30,425 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 400 407) no Hoare annotation was computed. [2020-07-20 10:44:30,426 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 198 222) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:30,426 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 198 222) no Hoare annotation was computed. [2020-07-20 10:44:30,426 INFO L264 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:30,426 INFO L268 CegarLoopResult]: For program point L217-1(lines 198 222) no Hoare annotation was computed. [2020-07-20 10:44:30,426 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:30,426 INFO L264 CegarLoopResult]: At program point L208(line 208) 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 10:44:30,426 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-07-20 10:44:30,427 INFO L264 CegarLoopResult]: At program point L204(line 204) 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 10:44:30,427 INFO L268 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-07-20 10:44:30,427 INFO L268 CegarLoopResult]: For program point L202(lines 202 219) no Hoare annotation was computed. [2020-07-20 10:44:30,428 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-20 10:44:30,428 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-20 10:44:30,428 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse0 .cse2 .cse8 .cse4) (or .cse6 .cse5 .cse7 .cse3))) [2020-07-20 10:44:30,428 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 517 524) no Hoare annotation was computed. [2020-07-20 10:44:30,428 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521) no Hoare annotation was computed. [2020-07-20 10:44:30,428 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 517 524) the Hoare annotation is: true [2020-07-20 10:44:30,428 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 517 524) no Hoare annotation was computed. [2020-07-20 10:44:30,430 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 224 248) no Hoare annotation was computed. [2020-07-20 10:44:30,431 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 224 248) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:30,431 INFO L264 CegarLoopResult]: At program point L243(line 243) 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 10:44:30,431 INFO L268 CegarLoopResult]: For program point L243-1(lines 224 248) no Hoare annotation was computed. [2020-07-20 10:44:30,431 INFO L264 CegarLoopResult]: At program point L238(line 238) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:30,431 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:30,431 INFO L268 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2020-07-20 10:44:30,432 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:30,432 INFO L268 CegarLoopResult]: For program point L230-1(line 230) no Hoare annotation was computed. [2020-07-20 10:44:30,432 INFO L268 CegarLoopResult]: For program point L228(lines 228 245) no Hoare annotation was computed. [2020-07-20 10:44:30,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:44:30 BoogieIcfgContainer [2020-07-20 10:44:30,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:44:30,454 INFO L168 Benchmark]: Toolchain (without parser) took 16942.36 ms. Allocated memory was 138.9 MB in the beginning and 432.0 MB in the end (delta: 293.1 MB). Free memory was 102.2 MB in the beginning and 112.9 MB in the end (delta: -10.7 MB). Peak memory consumption was 282.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:30,455 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 10:44:30,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.75 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 101.8 MB in the beginning and 172.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:30,456 INFO L168 Benchmark]: Boogie Preprocessor took 89.40 ms. Allocated memory is still 205.5 MB. Free memory was 172.2 MB in the beginning and 168.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:30,457 INFO L168 Benchmark]: RCFGBuilder took 1172.85 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 168.0 MB in the beginning and 190.5 MB in the end (delta: -22.6 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:30,458 INFO L168 Benchmark]: TraceAbstraction took 14933.98 ms. Allocated memory was 235.4 MB in the beginning and 432.0 MB in the end (delta: 196.6 MB). Free memory was 189.1 MB in the beginning and 112.9 MB in the end (delta: 76.2 MB). Peak memory consumption was 273.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:30,461 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.75 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 101.8 MB in the beginning and 172.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.40 ms. Allocated memory is still 205.5 MB. Free memory was 172.2 MB in the beginning and 168.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1172.85 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 168.0 MB in the beginning and 190.5 MB in the end (delta: -22.6 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14933.98 ms. Allocated memory was 235.4 MB in the beginning and 432.0 MB in the end (delta: 196.6 MB). Free memory was 189.1 MB in the beginning and 112.9 MB in the end (delta: 76.2 MB). Peak memory consumption was 273.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 521]: 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: 420]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 265 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.9s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2227 SDtfs, 1250 SDslu, 3780 SDs, 0 SdLazy, 1822 SolverSat, 465 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1166 GetRequests, 1107 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1096occurred 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 420 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 2205 PreInvPairs, 2322 NumberOfFragments, 2330 HoareAnnotationTreeSize, 2205 FomulaSimplifications, 3358 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 74 FomulaSimplificationsInter, 9841 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 973 NumberOfCodeBlocks, 973 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1142 ConstructedInterpolants, 0 QuantifiedInterpolants, 252138 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7935 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 126/152 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...