/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_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:39:15,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:39:15,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:39:15,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:39:15,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:39:15,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:39:15,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:39:15,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:39:15,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:39:15,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:39:15,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:39:15,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:39:15,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:39:15,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:39:15,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:39:15,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:39:15,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:39:15,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:39:15,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:39:15,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:39:15,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:39:15,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:39:15,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:39:15,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:39:15,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:39:15,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:39:15,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:39:15,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:39:15,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:39:15,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:39:15,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:39:15,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:39:15,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:39:15,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:39:15,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:39:15,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:39:15,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:39:15,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:39:15,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:39:15,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:39:15,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:39:15,375 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 [2020-07-21 10:39:15,402 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:39:15,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:39:15,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:39:15,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:39:15,405 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:39:15,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:39:15,406 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:39:15,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:39:15,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:39:15,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:39:15,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:39:15,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:39:15,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:39:15,408 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:39:15,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:39:15,409 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:39:15,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:39:15,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:39:15,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:39:15,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:39:15,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:39:15,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:39:15,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:39:15,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:39:15,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:39:15,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:39:15,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:15,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:39:15,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:39:15,412 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 [2020-07-21 10:39:15,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:39:15,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:39:15,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:39:15,746 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:39:15,746 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:39:15,747 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2020-07-21 10:39:15,819 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b1fe660d/aa4f7ced471b42f88770146ba232e73d/FLAG199567729 [2020-07-21 10:39:16,274 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:39:16,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2020-07-21 10:39:16,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b1fe660d/aa4f7ced471b42f88770146ba232e73d/FLAG199567729 [2020-07-21 10:39:16,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b1fe660d/aa4f7ced471b42f88770146ba232e73d [2020-07-21 10:39:16,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:39:16,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:39:16,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:39:16,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:39:16,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:39:16,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:39:16" (1/1) ... [2020-07-21 10:39:16,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c033afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:16, skipping insertion in model container [2020-07-21 10:39:16,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:39:16" (1/1) ... [2020-07-21 10:39:16,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:39:16,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:39:16,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:39:16,968 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:39:17,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:39:17,273 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:39:17,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17 WrapperNode [2020-07-21 10:39:17,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:39:17,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:39:17,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:39:17,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:39:17,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... [2020-07-21 10:39:17,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... [2020-07-21 10:39:17,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... [2020-07-21 10:39:17,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... [2020-07-21 10:39:17,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... [2020-07-21 10:39:17,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... [2020-07-21 10:39:17,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... [2020-07-21 10:39:17,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:39:17,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:39:17,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:39:17,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:39:17,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:39:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:39:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:39:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:39:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:39:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:39:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:39:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:39:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:39:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:39:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:39:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:39:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:39:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:39:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:39:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:39:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:39:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:39:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:39:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:39:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:39:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:39:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:39:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:39:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:39:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:39:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:39:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:39:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:39:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:39:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:39:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:39:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:39:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:39:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:39:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:39:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:39:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:39:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:39:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:39:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:39:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:39:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:39:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:39:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:39:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:39:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:39:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:39:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:39:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:39:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:39:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:39:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:39:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:39:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:39:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:39:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:39:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:39:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:39:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:39:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:39:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:39:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:39:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:39:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:39:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:39:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:39:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:39:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:39:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:39:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:39:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:39:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:39:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:39:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:39:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:39:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:39:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:39:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:39:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:39:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:39:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:39:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:39:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:39:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:39:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:39:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:39:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:39:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:39:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:39:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:39:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:39:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:39:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:39:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:39:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:39:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:39:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:39:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:39:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:39:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:39:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:39:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:39:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:39:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:39:18,543 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:39:18,543 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:39:18,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:39:18 BoogieIcfgContainer [2020-07-21 10:39:18,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:39:18,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:39:18,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:39:18,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:39:18,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:39:16" (1/3) ... [2020-07-21 10:39:18,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ace9502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:39:18, skipping insertion in model container [2020-07-21 10:39:18,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:17" (2/3) ... [2020-07-21 10:39:18,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ace9502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:39:18, skipping insertion in model container [2020-07-21 10:39:18,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:39:18" (3/3) ... [2020-07-21 10:39:18,557 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2020-07-21 10:39:18,567 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:39:18,574 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:39:18,588 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:39:18,613 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:39:18,613 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:39:18,613 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:39:18,614 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:39:18,614 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:39:18,614 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:39:18,614 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:39:18,615 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:39:18,637 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states. [2020-07-21 10:39:18,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 10:39:18,647 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:18,648 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] [2020-07-21 10:39:18,649 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:18,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:18,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1893311162, now seen corresponding path program 1 times [2020-07-21 10:39:18,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:18,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628137352] [2020-07-21 10:39:18,663 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 [2020-07-21 10:39:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:18,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:39:18,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:39:18,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:18,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628137352] [2020-07-21 10:39:18,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:18,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:39:18,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777672169] [2020-07-21 10:39:18,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:39:18,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:18,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:39:18,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:39:18,976 INFO L87 Difference]: Start difference. First operand 212 states. Second operand 2 states. [2020-07-21 10:39:19,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:19,027 INFO L93 Difference]: Finished difference Result 334 states and 415 transitions. [2020-07-21 10:39:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:39:19,030 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 10:39:19,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:19,044 INFO L225 Difference]: With dead ends: 334 [2020-07-21 10:39:19,044 INFO L226 Difference]: Without dead ends: 169 [2020-07-21 10:39:19,049 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 [2020-07-21 10:39:19,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-21 10:39:19,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2020-07-21 10:39:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-07-21 10:39:19,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 201 transitions. [2020-07-21 10:39:19,110 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 201 transitions. Word has length 59 [2020-07-21 10:39:19,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:19,110 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 201 transitions. [2020-07-21 10:39:19,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:39:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 201 transitions. [2020-07-21 10:39:19,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 10:39:19,115 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:19,115 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] [2020-07-21 10:39:19,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:19,330 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:19,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:19,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1978801715, now seen corresponding path program 1 times [2020-07-21 10:39:19,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:19,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693194197] [2020-07-21 10:39:19,333 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 [2020-07-21 10:39:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:19,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:39:19,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:19,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:39:19,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:19,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693194197] [2020-07-21 10:39:19,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:19,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:19,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420409753] [2020-07-21 10:39:19,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:19,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:19,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:19,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:19,603 INFO L87 Difference]: Start difference. First operand 169 states and 201 transitions. Second operand 3 states. [2020-07-21 10:39:19,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:19,634 INFO L93 Difference]: Finished difference Result 277 states and 329 transitions. [2020-07-21 10:39:19,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:19,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 10:39:19,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:19,637 INFO L225 Difference]: With dead ends: 277 [2020-07-21 10:39:19,637 INFO L226 Difference]: Without dead ends: 160 [2020-07-21 10:39:19,639 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 [2020-07-21 10:39:19,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-21 10:39:19,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-07-21 10:39:19,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-21 10:39:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 189 transitions. [2020-07-21 10:39:19,655 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 189 transitions. Word has length 60 [2020-07-21 10:39:19,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:19,656 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 189 transitions. [2020-07-21 10:39:19,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:19,656 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 189 transitions. [2020-07-21 10:39:19,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 10:39:19,658 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:19,659 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] [2020-07-21 10:39:19,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:19,872 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:19,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:19,873 INFO L82 PathProgramCache]: Analyzing trace with hash -532508270, now seen corresponding path program 1 times [2020-07-21 10:39:19,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:19,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327541738] [2020-07-21 10:39:19,874 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 [2020-07-21 10:39:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:20,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:20,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:20,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:20,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327541738] [2020-07-21 10:39:20,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:20,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:20,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291029266] [2020-07-21 10:39:20,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:20,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:20,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:20,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:20,109 INFO L87 Difference]: Start difference. First operand 160 states and 189 transitions. Second operand 3 states. [2020-07-21 10:39:20,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:20,139 INFO L93 Difference]: Finished difference Result 422 states and 511 transitions. [2020-07-21 10:39:20,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:20,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-21 10:39:20,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:20,144 INFO L225 Difference]: With dead ends: 422 [2020-07-21 10:39:20,144 INFO L226 Difference]: Without dead ends: 290 [2020-07-21 10:39:20,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:20,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-07-21 10:39:20,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 286. [2020-07-21 10:39:20,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-07-21 10:39:20,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 345 transitions. [2020-07-21 10:39:20,181 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 345 transitions. Word has length 64 [2020-07-21 10:39:20,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:20,181 INFO L479 AbstractCegarLoop]: Abstraction has 286 states and 345 transitions. [2020-07-21 10:39:20,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:20,182 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 345 transitions. [2020-07-21 10:39:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 10:39:20,184 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:20,185 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:20,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:20,399 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:20,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:20,400 INFO L82 PathProgramCache]: Analyzing trace with hash 216340368, now seen corresponding path program 1 times [2020-07-21 10:39:20,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:20,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546486396] [2020-07-21 10:39:20,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-07-21 10:39:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:20,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:39:20,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:20,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:20,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:20,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546486396] [2020-07-21 10:39:20,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:20,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:20,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628685174] [2020-07-21 10:39:20,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:20,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:20,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:20,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:20,654 INFO L87 Difference]: Start difference. First operand 286 states and 345 transitions. Second operand 6 states. [2020-07-21 10:39:20,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:20,932 INFO L93 Difference]: Finished difference Result 692 states and 867 transitions. [2020-07-21 10:39:20,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:39:20,933 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 10:39:20,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:20,937 INFO L225 Difference]: With dead ends: 692 [2020-07-21 10:39:20,938 INFO L226 Difference]: Without dead ends: 434 [2020-07-21 10:39:20,939 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 [2020-07-21 10:39:20,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-07-21 10:39:20,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 424. [2020-07-21 10:39:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-07-21 10:39:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 509 transitions. [2020-07-21 10:39:20,984 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 509 transitions. Word has length 70 [2020-07-21 10:39:20,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:20,986 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 509 transitions. [2020-07-21 10:39:20,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 509 transitions. [2020-07-21 10:39:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-21 10:39:20,993 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:20,993 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:21,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:21,210 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:21,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:21,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1357993179, now seen corresponding path program 1 times [2020-07-21 10:39:21,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:21,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788606431] [2020-07-21 10:39:21,212 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 [2020-07-21 10:39:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:21,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:39:21,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:21,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:21,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788606431] [2020-07-21 10:39:21,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:21,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:21,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142354694] [2020-07-21 10:39:21,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:21,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:21,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:21,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:21,499 INFO L87 Difference]: Start difference. First operand 424 states and 509 transitions. Second operand 6 states. [2020-07-21 10:39:21,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:21,563 INFO L93 Difference]: Finished difference Result 834 states and 1040 transitions. [2020-07-21 10:39:21,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:39:21,564 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2020-07-21 10:39:21,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:21,569 INFO L225 Difference]: With dead ends: 834 [2020-07-21 10:39:21,569 INFO L226 Difference]: Without dead ends: 438 [2020-07-21 10:39:21,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:39:21,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-07-21 10:39:21,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2020-07-21 10:39:21,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-07-21 10:39:21,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 519 transitions. [2020-07-21 10:39:21,614 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 519 transitions. Word has length 112 [2020-07-21 10:39:21,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:21,615 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 519 transitions. [2020-07-21 10:39:21,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:21,615 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 519 transitions. [2020-07-21 10:39:21,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-21 10:39:21,623 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:21,623 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:21,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:21,838 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:21,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:21,838 INFO L82 PathProgramCache]: Analyzing trace with hash 581168867, now seen corresponding path program 1 times [2020-07-21 10:39:21,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:21,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551729172] [2020-07-21 10:39:21,839 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 [2020-07-21 10:39:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:22,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 10:39:22,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:22,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:22,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:22,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551729172] [2020-07-21 10:39:22,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:22,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 10:39:22,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330128338] [2020-07-21 10:39:22,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:39:22,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:22,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:39:22,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:22,049 INFO L87 Difference]: Start difference. First operand 434 states and 519 transitions. Second operand 5 states. [2020-07-21 10:39:22,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:22,077 INFO L93 Difference]: Finished difference Result 854 states and 1060 transitions. [2020-07-21 10:39:22,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 10:39:22,078 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-07-21 10:39:22,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:22,081 INFO L225 Difference]: With dead ends: 854 [2020-07-21 10:39:22,081 INFO L226 Difference]: Without dead ends: 448 [2020-07-21 10:39:22,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:22,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-07-21 10:39:22,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2020-07-21 10:39:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-07-21 10:39:22,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 527 transitions. [2020-07-21 10:39:22,104 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 527 transitions. Word has length 112 [2020-07-21 10:39:22,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:22,105 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 527 transitions. [2020-07-21 10:39:22,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:39:22,105 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 527 transitions. [2020-07-21 10:39:22,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-21 10:39:22,107 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:22,107 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:22,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:22,322 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:22,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:22,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1350338882, now seen corresponding path program 1 times [2020-07-21 10:39:22,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:22,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602383875] [2020-07-21 10:39:22,325 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 [2020-07-21 10:39:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:22,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 10:39:22,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:22,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:22,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:22,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [602383875] [2020-07-21 10:39:22,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:22,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:22,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136815279] [2020-07-21 10:39:22,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:22,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:22,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:22,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:22,564 INFO L87 Difference]: Start difference. First operand 442 states and 527 transitions. Second operand 3 states. [2020-07-21 10:39:22,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:22,628 INFO L93 Difference]: Finished difference Result 1194 states and 1509 transitions. [2020-07-21 10:39:22,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:22,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-07-21 10:39:22,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:22,633 INFO L225 Difference]: With dead ends: 1194 [2020-07-21 10:39:22,634 INFO L226 Difference]: Without dead ends: 780 [2020-07-21 10:39:22,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:22,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2020-07-21 10:39:22,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 777. [2020-07-21 10:39:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 777 states. [2020-07-21 10:39:22,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 956 transitions. [2020-07-21 10:39:22,672 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 956 transitions. Word has length 112 [2020-07-21 10:39:22,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:22,673 INFO L479 AbstractCegarLoop]: Abstraction has 777 states and 956 transitions. [2020-07-21 10:39:22,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:22,673 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 956 transitions. [2020-07-21 10:39:22,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-21 10:39:22,676 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:22,676 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:22,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:22,891 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:22,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:22,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1975342852, now seen corresponding path program 1 times [2020-07-21 10:39:22,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:22,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911928305] [2020-07-21 10:39:22,893 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 [2020-07-21 10:39:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:23,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 10:39:23,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:23,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:23,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:23,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911928305] [2020-07-21 10:39:23,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:23,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 10:39:23,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224139362] [2020-07-21 10:39:23,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:23,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:23,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:23,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:23,200 INFO L87 Difference]: Start difference. First operand 777 states and 956 transitions. Second operand 10 states. [2020-07-21 10:39:24,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:24,846 INFO L93 Difference]: Finished difference Result 2210 states and 3047 transitions. [2020-07-21 10:39:24,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 10:39:24,847 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 116 [2020-07-21 10:39:24,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:24,858 INFO L225 Difference]: With dead ends: 2210 [2020-07-21 10:39:24,858 INFO L226 Difference]: Without dead ends: 1461 [2020-07-21 10:39:24,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-21 10:39:24,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2020-07-21 10:39:24,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1098. [2020-07-21 10:39:24,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1098 states. [2020-07-21 10:39:24,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1355 transitions. [2020-07-21 10:39:24,936 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1355 transitions. Word has length 116 [2020-07-21 10:39:24,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:24,937 INFO L479 AbstractCegarLoop]: Abstraction has 1098 states and 1355 transitions. [2020-07-21 10:39:24,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:24,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1355 transitions. [2020-07-21 10:39:24,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-21 10:39:24,941 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:24,941 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:25,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:25,155 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:25,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:25,155 INFO L82 PathProgramCache]: Analyzing trace with hash -919086842, now seen corresponding path program 1 times [2020-07-21 10:39:25,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:25,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1879571541] [2020-07-21 10:39:25,157 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 [2020-07-21 10:39:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:25,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 10:39:25,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 10:39:25,424 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:25,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1879571541] [2020-07-21 10:39:25,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:25,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:25,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665487025] [2020-07-21 10:39:25,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:25,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:25,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:25,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:25,428 INFO L87 Difference]: Start difference. First operand 1098 states and 1355 transitions. Second operand 3 states. [2020-07-21 10:39:25,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:25,531 INFO L93 Difference]: Finished difference Result 1308 states and 1612 transitions. [2020-07-21 10:39:25,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:25,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-07-21 10:39:25,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:25,535 INFO L225 Difference]: With dead ends: 1308 [2020-07-21 10:39:25,535 INFO L226 Difference]: Without dead ends: 531 [2020-07-21 10:39:25,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:25,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2020-07-21 10:39:25,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 531. [2020-07-21 10:39:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-07-21 10:39:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 636 transitions. [2020-07-21 10:39:25,569 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 636 transitions. Word has length 157 [2020-07-21 10:39:25,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:25,569 INFO L479 AbstractCegarLoop]: Abstraction has 531 states and 636 transitions. [2020-07-21 10:39:25,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:25,570 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 636 transitions. [2020-07-21 10:39:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-21 10:39:25,573 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:25,573 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, 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, 1] [2020-07-21 10:39:25,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:25,788 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:25,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:25,789 INFO L82 PathProgramCache]: Analyzing trace with hash -283315442, now seen corresponding path program 1 times [2020-07-21 10:39:25,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:25,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405430901] [2020-07-21 10:39:25,790 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 [2020-07-21 10:39:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:26,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:26,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:26,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:39:26,625 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-21 10:39:26,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405430901] [2020-07-21 10:39:26,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 10:39:26,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 10:39:26,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971545864] [2020-07-21 10:39:26,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:26,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:26,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:26,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:26,627 INFO L87 Difference]: Start difference. First operand 531 states and 636 transitions. Second operand 10 states. [2020-07-21 10:39:27,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:27,424 INFO L93 Difference]: Finished difference Result 1132 states and 1374 transitions. [2020-07-21 10:39:27,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 10:39:27,425 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-07-21 10:39:27,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:27,426 INFO L225 Difference]: With dead ends: 1132 [2020-07-21 10:39:27,426 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:39:27,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 373 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 10:39:27,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:39:27,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:39:27,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:39:27,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:39:27,435 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2020-07-21 10:39:27,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:27,435 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:39:27,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:27,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:39:27,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:39:27,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:27,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:39:27,847 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 30 [2020-07-21 10:39:29,407 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-21 10:39:29,959 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-07-21 10:39:30,303 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-21 10:39:31,026 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2020-07-21 10:39:31,898 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 10:39:32,094 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 10:39:32,441 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-21 10:39:32,865 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2020-07-21 10:39:32,871 INFO L268 CegarLoopResult]: For program point L760(lines 760 764) no Hoare annotation was computed. [2020-07-21 10:39:32,871 INFO L268 CegarLoopResult]: For program point L760-1(lines 760 764) no Hoare annotation was computed. [2020-07-21 10:39:32,872 INFO L268 CegarLoopResult]: For program point L755(line 755) no Hoare annotation was computed. [2020-07-21 10:39:32,872 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 729 784) no Hoare annotation was computed. [2020-07-21 10:39:32,872 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 775) no Hoare annotation was computed. [2020-07-21 10:39:32,872 INFO L268 CegarLoopResult]: For program point L776(lines 753 777) no Hoare annotation was computed. [2020-07-21 10:39:32,872 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 729 784) no Hoare annotation was computed. [2020-07-21 10:39:32,872 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 729 784) no Hoare annotation was computed. [2020-07-21 10:39:32,873 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-21 10:39:32,873 INFO L268 CegarLoopResult]: For program point L830-1(line 830) no Hoare annotation was computed. [2020-07-21 10:39:32,873 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 785 844) no Hoare annotation was computed. [2020-07-21 10:39:32,873 INFO L268 CegarLoopResult]: For program point L817(lines 817 821) no Hoare annotation was computed. [2020-07-21 10:39:32,873 INFO L268 CegarLoopResult]: For program point L817-1(lines 817 821) no Hoare annotation was computed. [2020-07-21 10:39:32,873 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 785 844) no Hoare annotation was computed. [2020-07-21 10:39:32,873 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-07-21 10:39:32,874 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 785 844) no Hoare annotation was computed. [2020-07-21 10:39:32,874 INFO L268 CegarLoopResult]: For program point L811-2(lines 811 836) no Hoare annotation was computed. [2020-07-21 10:39:32,874 INFO L268 CegarLoopResult]: For program point L837(lines 810 838) no Hoare annotation was computed. [2020-07-21 10:39:32,874 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 113 119) the Hoare annotation is: true [2020-07-21 10:39:32,874 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 113 119) no Hoare annotation was computed. [2020-07-21 10:39:32,874 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 120 128) no Hoare annotation was computed. [2020-07-21 10:39:32,874 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 120 128) the Hoare annotation is: true [2020-07-21 10:39:32,874 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 120 128) no Hoare annotation was computed. [2020-07-21 10:39:32,875 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2020-07-21 10:39:32,875 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-21 10:39:32,875 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-21 10:39:32,875 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-21 10:39:32,875 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-21 10:39:32,875 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-21 10:39:32,875 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-21 10:39:32,875 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-21 10:39:32,876 INFO L264 CegarLoopResult]: At program point L77(line 77) 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))) [2020-07-21 10:39:32,876 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-21 10:39:32,876 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-21 10:39:32,876 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-21 10:39:32,876 INFO L264 CegarLoopResult]: At program point L72(line 72) 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))))) [2020-07-21 10:39:32,876 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-21 10:39:32,877 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-21 10:39:32,877 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-21 10:39:32,877 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-21 10:39:32,877 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-21 10:39:32,877 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 285 307) 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)|))) [2020-07-21 10:39:32,877 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2020-07-21 10:39:32,877 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 285 307) no Hoare annotation was computed. [2020-07-21 10:39:32,878 INFO L264 CegarLoopResult]: At program point L297(line 297) 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)|))) [2020-07-21 10:39:32,878 INFO L264 CegarLoopResult]: At program point L297-1(line 297) 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)|))) [2020-07-21 10:39:32,878 INFO L268 CegarLoopResult]: For program point L295(lines 295 302) no Hoare annotation was computed. [2020-07-21 10:39:32,878 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2020-07-21 10:39:32,878 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-07-21 10:39:32,878 INFO L264 CegarLoopResult]: At program point L292(line 292) 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)|))) [2020-07-21 10:39:32,878 INFO L264 CegarLoopResult]: At program point L291(line 291) 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)|))) [2020-07-21 10:39:32,878 INFO L264 CegarLoopResult]: At program point L291-1(line 291) 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)|))) [2020-07-21 10:39:32,878 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-07-21 10:39:32,878 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-07-21 10:39:32,878 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 243 266) no Hoare annotation was computed. [2020-07-21 10:39:32,879 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-07-21 10:39:32,879 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-07-21 10:39:32,879 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-21 10:39:32,879 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 243 266) no Hoare annotation was computed. [2020-07-21 10:39:32,879 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-07-21 10:39:32,879 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 243 266) no Hoare annotation was computed. [2020-07-21 10:39:32,879 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-07-21 10:39:32,879 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-07-21 10:39:32,879 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-07-21 10:39:32,879 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-07-21 10:39:32,880 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-07-21 10:39:32,880 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-07-21 10:39:32,880 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-07-21 10:39:32,880 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-07-21 10:39:32,880 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-21 10:39:32,880 INFO L268 CegarLoopResult]: For program point L384(lines 384 401) no Hoare annotation was computed. [2020-07-21 10:39:32,899 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 380 404) 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)))) [2020-07-21 10:39:32,899 INFO L264 CegarLoopResult]: At program point L399(line 399) 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)))) [2020-07-21 10:39:32,901 INFO L268 CegarLoopResult]: For program point L399-1(lines 380 404) no Hoare annotation was computed. [2020-07-21 10:39:32,901 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 380 404) no Hoare annotation was computed. [2020-07-21 10:39:32,901 INFO L264 CegarLoopResult]: At program point L394(line 394) 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)|))))) [2020-07-21 10:39:32,902 INFO L264 CegarLoopResult]: At program point L390(line 390) 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)|))))) [2020-07-21 10:39:32,902 INFO L268 CegarLoopResult]: For program point L388(lines 388 396) no Hoare annotation was computed. [2020-07-21 10:39:32,902 INFO L264 CegarLoopResult]: At program point L386(line 386) 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)|))))) [2020-07-21 10:39:32,902 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 558 572) no Hoare annotation was computed. [2020-07-21 10:39:32,902 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 558 572) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))))) [2020-07-21 10:39:32,903 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 558 572) no Hoare annotation was computed. [2020-07-21 10:39:32,903 INFO L264 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))) [2020-07-21 10:39:32,903 INFO L268 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-07-21 10:39:32,903 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 475 483) no Hoare annotation was computed. [2020-07-21 10:39:32,903 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 475 483) the Hoare annotation is: true [2020-07-21 10:39:32,903 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 475 483) no Hoare annotation was computed. [2020-07-21 10:39:32,903 INFO L268 CegarLoopResult]: For program point L546-1(line 546) no Hoare annotation was computed. [2020-07-21 10:39:32,904 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 539 557) the Hoare annotation is: true [2020-07-21 10:39:32,904 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 539 557) no Hoare annotation was computed. [2020-07-21 10:39:32,904 INFO L268 CegarLoopResult]: For program point L548(lines 548 552) no Hoare annotation was computed. [2020-07-21 10:39:32,904 INFO L271 CegarLoopResult]: At program point L546(line 546) the Hoare annotation is: true [2020-07-21 10:39:32,904 INFO L268 CegarLoopResult]: For program point L548-2(lines 548 552) no Hoare annotation was computed. [2020-07-21 10:39:32,904 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 539 557) no Hoare annotation was computed. [2020-07-21 10:39:32,904 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-07-21 10:39:32,905 INFO L268 CegarLoopResult]: For program point L503(lines 503 511) no Hoare annotation was computed. [2020-07-21 10:39:32,905 INFO L268 CegarLoopResult]: For program point L503-2(lines 503 511) no Hoare annotation was computed. [2020-07-21 10:39:32,905 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 484 519) no Hoare annotation was computed. [2020-07-21 10:39:32,905 INFO L268 CegarLoopResult]: For program point L491(lines 491 499) no Hoare annotation was computed. [2020-07-21 10:39:32,905 INFO L268 CegarLoopResult]: For program point L491-2(lines 491 499) no Hoare annotation was computed. [2020-07-21 10:39:32,905 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 484 519) no Hoare annotation was computed. [2020-07-21 10:39:32,905 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 484 519) no Hoare annotation was computed. [2020-07-21 10:39:32,905 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 10:39:32,905 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 106 112) no Hoare annotation was computed. [2020-07-21 10:39:32,906 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 106 112) the Hoare annotation is: true [2020-07-21 10:39:32,906 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 683 728) no Hoare annotation was computed. [2020-07-21 10:39:32,906 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 683 728) no Hoare annotation was computed. [2020-07-21 10:39:32,906 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 683 728) no Hoare annotation was computed. [2020-07-21 10:39:32,906 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 996 1041) no Hoare annotation was computed. [2020-07-21 10:39:32,906 INFO L268 CegarLoopResult]: For program point L1016(lines 1016 1023) no Hoare annotation was computed. [2020-07-21 10:39:32,906 INFO L268 CegarLoopResult]: For program point L1010(lines 1010 1030) no Hoare annotation was computed. [2020-07-21 10:39:32,906 INFO L268 CegarLoopResult]: For program point L1010-1(lines 1010 1030) no Hoare annotation was computed. [2020-07-21 10:39:32,906 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 996 1041) no Hoare annotation was computed. [2020-07-21 10:39:32,907 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 996 1041) no Hoare annotation was computed. [2020-07-21 10:39:32,907 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 274 284) 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)|))) [2020-07-21 10:39:32,907 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 274 284) no Hoare annotation was computed. [2020-07-21 10:39:32,907 INFO L264 CegarLoopResult]: At program point L279(line 279) 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)|))) [2020-07-21 10:39:32,907 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 274 284) no Hoare annotation was computed. [2020-07-21 10:39:32,907 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 464 474) the Hoare annotation is: true [2020-07-21 10:39:32,907 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 464 474) no Hoare annotation was computed. [2020-07-21 10:39:32,908 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 464 474) no Hoare annotation was computed. [2020-07-21 10:39:32,908 INFO L271 CegarLoopResult]: At program point L469(line 469) the Hoare annotation is: true [2020-07-21 10:39:32,908 INFO L268 CegarLoopResult]: For program point L469-1(line 469) no Hoare annotation was computed. [2020-07-21 10:39:32,908 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 456 463) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-21 10:39:32,908 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 456 463) no Hoare annotation was computed. [2020-07-21 10:39:32,908 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 456 463) no Hoare annotation was computed. [2020-07-21 10:39:32,908 INFO L268 CegarLoopResult]: For program point L657(lines 657 663) no Hoare annotation was computed. [2020-07-21 10:39:32,908 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 653 666) no Hoare annotation was computed. [2020-07-21 10:39:32,909 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 653 666) the Hoare annotation is: true [2020-07-21 10:39:32,909 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 653 666) no Hoare annotation was computed. [2020-07-21 10:39:32,909 INFO L264 CegarLoopResult]: At program point L416(line 416) 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)|))))) [2020-07-21 10:39:32,909 INFO L268 CegarLoopResult]: For program point L414(lines 414 422) no Hoare annotation was computed. [2020-07-21 10:39:32,909 INFO L264 CegarLoopResult]: At program point L412(line 412) 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)|))))) [2020-07-21 10:39:32,909 INFO L268 CegarLoopResult]: For program point L412-1(line 412) no Hoare annotation was computed. [2020-07-21 10:39:32,909 INFO L268 CegarLoopResult]: For program point L410(lines 410 427) no Hoare annotation was computed. [2020-07-21 10:39:32,910 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 406 430) no Hoare annotation was computed. [2020-07-21 10:39:32,910 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 406 430) 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)))) [2020-07-21 10:39:32,910 INFO L264 CegarLoopResult]: At program point L425(line 425) 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)))) [2020-07-21 10:39:32,910 INFO L268 CegarLoopResult]: For program point L425-1(lines 406 430) no Hoare annotation was computed. [2020-07-21 10:39:32,910 INFO L264 CegarLoopResult]: At program point L420(line 420) 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)|))))) [2020-07-21 10:39:32,910 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 346 352) no Hoare annotation was computed. [2020-07-21 10:39:32,911 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 346 352) the Hoare annotation is: true [2020-07-21 10:39:32,911 INFO L264 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0))) [2020-07-21 10:39:32,911 INFO L264 CegarLoopResult]: At program point testENTRY(lines 144 209) 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)|))) [2020-07-21 10:39:32,911 INFO L268 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-07-21 10:39:32,911 INFO L264 CegarLoopResult]: At program point L190-1(lines 184 197) 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)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:32,911 INFO L268 CegarLoopResult]: For program point L155(lines 154 201) no Hoare annotation was computed. [2020-07-21 10:39:32,911 INFO L268 CegarLoopResult]: For program point L184(lines 184 197) no Hoare annotation was computed. [2020-07-21 10:39:32,912 INFO L268 CegarLoopResult]: For program point testFINAL(lines 144 209) no Hoare annotation was computed. [2020-07-21 10:39:32,912 INFO L264 CegarLoopResult]: At program point L176(line 176) 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)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:32,912 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-07-21 10:39:32,912 INFO L268 CegarLoopResult]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2020-07-21 10:39:32,912 INFO L264 CegarLoopResult]: At program point L199(lines 154 201) 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) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:32,912 INFO L264 CegarLoopResult]: At program point L166(line 166) 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) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:32,913 INFO L268 CegarLoopResult]: For program point L164(lines 164 170) no Hoare annotation was computed. [2020-07-21 10:39:32,913 INFO L268 CegarLoopResult]: For program point L164-1(lines 164 170) no Hoare annotation was computed. [2020-07-21 10:39:32,913 INFO L268 CegarLoopResult]: For program point L156(lines 156 160) no Hoare annotation was computed. [2020-07-21 10:39:32,913 INFO L264 CegarLoopResult]: At program point L202(lines 153 203) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:32,913 INFO L268 CegarLoopResult]: For program point testEXIT(lines 144 209) no Hoare annotation was computed. [2020-07-21 10:39:32,913 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 950 995) no Hoare annotation was computed. [2020-07-21 10:39:32,913 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 950 995) no Hoare annotation was computed. [2020-07-21 10:39:32,913 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 950 995) no Hoare annotation was computed. [2020-07-21 10:39:32,914 INFO L268 CegarLoopResult]: For program point L970(lines 970 977) no Hoare annotation was computed. [2020-07-21 10:39:32,914 INFO L268 CegarLoopResult]: For program point L964(lines 964 984) no Hoare annotation was computed. [2020-07-21 10:39:32,914 INFO L268 CegarLoopResult]: For program point L964-1(lines 964 984) no Hoare annotation was computed. [2020-07-21 10:39:32,914 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 431 438) 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))) [2020-07-21 10:39:32,914 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 431 438) no Hoare annotation was computed. [2020-07-21 10:39:32,914 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 431 438) no Hoare annotation was computed. [2020-07-21 10:39:32,914 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 667 675) no Hoare annotation was computed. [2020-07-21 10:39:32,915 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 667 675) the Hoare annotation is: true [2020-07-21 10:39:32,915 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 667 675) no Hoare annotation was computed. [2020-07-21 10:39:32,915 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 621 643) no Hoare annotation was computed. [2020-07-21 10:39:32,915 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 621 643) no Hoare annotation was computed. [2020-07-21 10:39:32,915 INFO L268 CegarLoopResult]: For program point L629(lines 629 637) no Hoare annotation was computed. [2020-07-21 10:39:32,915 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 621 643) no Hoare annotation was computed. [2020-07-21 10:39:32,915 INFO L268 CegarLoopResult]: For program point L629-2(lines 629 637) no Hoare annotation was computed. [2020-07-21 10:39:32,915 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 96 105) no Hoare annotation was computed. [2020-07-21 10:39:32,915 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 96 105) no Hoare annotation was computed. [2020-07-21 10:39:32,916 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 96 105) no Hoare annotation was computed. [2020-07-21 10:39:32,916 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 847 949) no Hoare annotation was computed. [2020-07-21 10:39:32,916 INFO L268 CegarLoopResult]: For program point L896-2(lines 896 916) no Hoare annotation was computed. [2020-07-21 10:39:32,916 INFO L268 CegarLoopResult]: For program point L917(lines 895 918) no Hoare annotation was computed. [2020-07-21 10:39:32,916 INFO L268 CegarLoopResult]: For program point L876(lines 876 892) no Hoare annotation was computed. [2020-07-21 10:39:32,916 INFO L268 CegarLoopResult]: For program point L936(lines 936 943) no Hoare annotation was computed. [2020-07-21 10:39:32,916 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 847 949) no Hoare annotation was computed. [2020-07-21 10:39:32,916 INFO L268 CegarLoopResult]: For program point L897(lines 896 916) no Hoare annotation was computed. [2020-07-21 10:39:32,917 INFO L268 CegarLoopResult]: For program point L928(line 928) no Hoare annotation was computed. [2020-07-21 10:39:32,917 INFO L268 CegarLoopResult]: For program point L928-1(line 928) no Hoare annotation was computed. [2020-07-21 10:39:32,917 INFO L268 CegarLoopResult]: For program point L893(lines 893 934) no Hoare annotation was computed. [2020-07-21 10:39:32,917 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 847 949) no Hoare annotation was computed. [2020-07-21 10:39:32,917 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-07-21 10:39:32,917 INFO L268 CegarLoopResult]: For program point L912-1(line 912) no Hoare annotation was computed. [2020-07-21 10:39:32,917 INFO L268 CegarLoopResult]: For program point L871(lines 871 875) no Hoare annotation was computed. [2020-07-21 10:39:32,917 INFO L268 CegarLoopResult]: For program point L935(lines 935 946) no Hoare annotation was computed. [2020-07-21 10:39:32,918 INFO L268 CegarLoopResult]: For program point L898(lines 898 902) no Hoare annotation was computed. [2020-07-21 10:39:32,918 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:32,918 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-21 10:39:32,918 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:32,918 INFO L268 CegarLoopResult]: For program point L450-1(lines 439 455) no Hoare annotation was computed. [2020-07-21 10:39:32,918 INFO L268 CegarLoopResult]: For program point L446(lines 446 452) no Hoare annotation was computed. [2020-07-21 10:39:32,918 INFO L264 CegarLoopResult]: At program point L444(line 444) 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))) [2020-07-21 10:39:32,918 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 439 455) no Hoare annotation was computed. [2020-07-21 10:39:32,919 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-07-21 10:39:32,919 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 439 455) 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))) [2020-07-21 10:39:32,919 INFO L264 CegarLoopResult]: At program point L450(line 450) 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))) [2020-07-21 10:39:32,919 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 644 652) the Hoare annotation is: true [2020-07-21 10:39:32,919 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 644 652) no Hoare annotation was computed. [2020-07-21 10:39:32,919 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 644 652) no Hoare annotation was computed. [2020-07-21 10:39:32,919 INFO L268 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-07-21 10:39:32,919 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 520 538) no Hoare annotation was computed. [2020-07-21 10:39:32,920 INFO L271 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: true [2020-07-21 10:39:32,920 INFO L268 CegarLoopResult]: For program point L529-2(lines 529 533) no Hoare annotation was computed. [2020-07-21 10:39:32,920 INFO L268 CegarLoopResult]: For program point L527-1(line 527) no Hoare annotation was computed. [2020-07-21 10:39:32,920 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 520 538) the Hoare annotation is: true [2020-07-21 10:39:32,920 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 520 538) no Hoare annotation was computed. [2020-07-21 10:39:32,920 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 600 611) the Hoare annotation is: true [2020-07-21 10:39:32,920 INFO L268 CegarLoopResult]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2020-07-21 10:39:32,920 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 600 611) no Hoare annotation was computed. [2020-07-21 10:39:32,921 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:32,921 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:39:32,921 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:32,921 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 319 345) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (<= 2 ~waterLevel~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse10 (= 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 .cse2 (and .cse7 .cse10)) (or .cse0 .cse4 .cse9 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse7 .cse9) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse9 (<= 1 ~switchedOnBeforeTS~0) .cse2) (or .cse4 .cse8 .cse9 .cse2 .cse3) (or .cse0 .cse9 (and .cse5 .cse10) .cse2))) [2020-07-21 10:39:32,921 INFO L264 CegarLoopResult]: At program point L335(line 335) 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)))) [2020-07-21 10:39:32,922 INFO L264 CegarLoopResult]: At program point L333(lines 333 339) 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)))) [2020-07-21 10:39:32,922 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 319 345) no Hoare annotation was computed. [2020-07-21 10:39:32,922 INFO L264 CegarLoopResult]: At program point L328(line 328) 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)|))))) [2020-07-21 10:39:32,922 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 319 345) no Hoare annotation was computed. [2020-07-21 10:39:32,922 INFO L268 CegarLoopResult]: For program point L326(lines 322 344) no Hoare annotation was computed. [2020-07-21 10:39:32,922 INFO L268 CegarLoopResult]: For program point L324(lines 322 344) no Hoare annotation was computed. [2020-07-21 10:39:32,922 INFO L271 CegarLoopResult]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2020-07-21 10:39:32,922 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2020-07-21 10:39:32,923 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-07-21 10:39:32,923 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2020-07-21 10:39:32,923 INFO L271 CegarLoopResult]: At program point L222-2(lines 222 236) the Hoare annotation is: true [2020-07-21 10:39:32,923 INFO L271 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: true [2020-07-21 10:39:32,923 INFO L268 CegarLoopResult]: For program point L218-1(line 218) no Hoare annotation was computed. [2020-07-21 10:39:32,923 INFO L271 CegarLoopResult]: At program point L237(lines 212 241) the Hoare annotation is: true [2020-07-21 10:39:32,923 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-21 10:39:32,923 INFO L268 CegarLoopResult]: For program point L226(lines 226 230) no Hoare annotation was computed. [2020-07-21 10:39:32,923 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 612 620) the Hoare annotation is: true [2020-07-21 10:39:32,923 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 612 620) no Hoare annotation was computed. [2020-07-21 10:39:32,924 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 612 620) no Hoare annotation was computed. [2020-07-21 10:39:32,924 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 576 587) 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)|))))) [2020-07-21 10:39:32,924 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 576 587) no Hoare annotation was computed. [2020-07-21 10:39:32,924 INFO L268 CegarLoopResult]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2020-07-21 10:39:32,924 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2020-07-21 10:39:32,924 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2020-07-21 10:39:32,924 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:32,924 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 10:39:32,925 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:39:32,925 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:32,925 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 354 378) 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)))) [2020-07-21 10:39:32,925 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 354 378) no Hoare annotation was computed. [2020-07-21 10:39:32,925 INFO L264 CegarLoopResult]: At program point L373(line 373) 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)|))))) [2020-07-21 10:39:32,925 INFO L268 CegarLoopResult]: For program point L373-1(lines 354 378) no Hoare annotation was computed. [2020-07-21 10:39:32,925 INFO L264 CegarLoopResult]: At program point L368(line 368) 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)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= 0 ~pumpRunning~0))))) [2020-07-21 10:39:32,926 INFO L264 CegarLoopResult]: At program point L364(line 364) 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)|))))) [2020-07-21 10:39:32,926 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-07-21 10:39:32,926 INFO L264 CegarLoopResult]: At program point L360(line 360) 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)))) [2020-07-21 10:39:32,926 INFO L268 CegarLoopResult]: For program point L360-1(line 360) no Hoare annotation was computed. [2020-07-21 10:39:32,926 INFO L268 CegarLoopResult]: For program point L358(lines 358 375) no Hoare annotation was computed. [2020-07-21 10:39:32,926 INFO L268 CegarLoopResult]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2020-07-21 10:39:32,926 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 588 599) no Hoare annotation was computed. [2020-07-21 10:39:32,927 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 588 599) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0))) (let ((.cse9 (not (= 0 ~systemActive~0))) (.cse1 (and .cse8 (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse8 .cse9 .cse2 .cse3 .cse4) (or .cse6 .cse9 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3)))) [2020-07-21 10:39:32,927 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 130 137) no Hoare annotation was computed. [2020-07-21 10:39:32,927 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2020-07-21 10:39:32,927 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 130 137) the Hoare annotation is: true [2020-07-21 10:39:32,927 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 130 137) no Hoare annotation was computed. [2020-07-21 10:39:32,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:39:32 BoogieIcfgContainer [2020-07-21 10:39:32,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:39:32,952 INFO L168 Benchmark]: Toolchain (without parser) took 16359.37 ms. Allocated memory was 138.9 MB in the beginning and 447.2 MB in the end (delta: 308.3 MB). Free memory was 102.8 MB in the beginning and 401.8 MB in the end (delta: -298.9 MB). Peak memory consumption was 284.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:32,953 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 10:39:32,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.78 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 102.4 MB in the beginning and 172.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:32,954 INFO L168 Benchmark]: Boogie Preprocessor took 97.64 ms. Allocated memory is still 204.5 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:32,955 INFO L168 Benchmark]: RCFGBuilder took 1176.64 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 168.4 MB in the beginning and 193.7 MB in the end (delta: -25.3 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:32,956 INFO L168 Benchmark]: TraceAbstraction took 14400.10 ms. Allocated memory was 237.5 MB in the beginning and 447.2 MB in the end (delta: 209.7 MB). Free memory was 193.7 MB in the beginning and 401.8 MB in the end (delta: -208.0 MB). Peak memory consumption was 276.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:32,959 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.78 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 102.4 MB in the beginning and 172.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.64 ms. Allocated memory is still 204.5 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1176.64 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 168.4 MB in the beginning and 193.7 MB in the end (delta: -25.3 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14400.10 ms. Allocated memory was 237.5 MB in the beginning and 447.2 MB in the end (delta: 209.7 MB). Free memory was 193.7 MB in the beginning and 401.8 MB in the end (delta: -208.0 MB). Peak memory consumption was 276.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 134]: 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: 153]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 268 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.0s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2275 SDtfs, 1204 SDslu, 3686 SDs, 0 SdLazy, 1691 SolverSat, 400 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1261 GetRequests, 1202 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1098occurred 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, 390 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 75 LocationsWithAnnotation, 1945 PreInvPairs, 2044 NumberOfFragments, 2175 HoareAnnotationTreeSize, 1945 FomulaSimplifications, 2010 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 75 FomulaSimplificationsInter, 7722 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1055 NumberOfCodeBlocks, 1055 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1237 ConstructedInterpolants, 0 QuantifiedInterpolants, 298719 SizeOfPredicates, 26 NumberOfNonLiveVariables, 8101 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 139/165 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...