/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_spec1_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:35:37,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:35:37,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:35:37,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:35:37,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:35:37,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:35:37,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:35:37,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:35:37,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:35:37,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:35:37,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:35:37,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:35:37,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:35:37,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:35:37,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:35:37,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:35:37,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:35:37,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:35:37,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:35:37,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:35:37,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:35:37,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:35:37,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:35:37,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:35:37,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:35:37,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:35:37,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:35:37,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:35:37,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:35:37,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:35:37,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:35:37,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:35:37,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:35:37,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:35:37,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:35:37,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:35:37,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:35:37,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:35:37,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:35:37,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:35:37,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:35:37,351 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 10:35:37,370 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:35:37,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:35:37,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:35:37,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:35:37,375 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:35:37,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:35:37,375 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:35:37,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:35:37,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:35:37,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:35:37,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:35:37,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:35:37,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:35:37,377 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:35:37,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:35:37,377 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:35:37,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:35:37,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:35:37,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:35:37,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:35:37,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:35:37,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:35:37,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:35:37,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:35:37,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:35:37,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:35:37,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:37,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:35:37,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:35:37,382 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 10:35:37,702 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:35:37,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:35:37,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:35:37,720 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:35:37,720 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:35:37,721 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2020-07-21 10:35:37,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b924179f6/44afc322aaeb479aa7fa7e4f7f31b9bc/FLAGf6fe020f8 [2020-07-21 10:35:38,338 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:35:38,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2020-07-21 10:35:38,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b924179f6/44afc322aaeb479aa7fa7e4f7f31b9bc/FLAGf6fe020f8 [2020-07-21 10:35:38,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b924179f6/44afc322aaeb479aa7fa7e4f7f31b9bc [2020-07-21 10:35:38,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:35:38,677 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:35:38,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:38,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:35:38,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:35:38,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:38" (1/1) ... [2020-07-21 10:35:38,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3bb6a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:38, skipping insertion in model container [2020-07-21 10:35:38,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:38" (1/1) ... [2020-07-21 10:35:38,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:35:38,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:35:39,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:39,241 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:35:39,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:39,349 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:35:39,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:39 WrapperNode [2020-07-21 10:35:39,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:39,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:35:39,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:35:39,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:35:39,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:39" (1/1) ... [2020-07-21 10:35:39,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:39" (1/1) ... [2020-07-21 10:35:39,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:39" (1/1) ... [2020-07-21 10:35:39,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:39" (1/1) ... [2020-07-21 10:35:39,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:39" (1/1) ... [2020-07-21 10:35:39,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:39" (1/1) ... [2020-07-21 10:35:39,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:39" (1/1) ... [2020-07-21 10:35:39,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:35:39,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:35:39,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:35:39,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:35:39,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:39" (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 10:35:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:35:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:35:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:35:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:35:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:35:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:35:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:35:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:35:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:35:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:35:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:35:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:35:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:35:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:35:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:35:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:35:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:35:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:35:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:35:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:35:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:35:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:35:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:35:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:35:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:35:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:35:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:35:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:35:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:35:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:35:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:35:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:35:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:35:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:35:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:35:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:35:39,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:35:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:35:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:35:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:35:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:35:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:35:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:35:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:35:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:35:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:35:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:35:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:35:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:35:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:35:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:35:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:35:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:35:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:35:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:35:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:35:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:35:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:35:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:35:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:35:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:35:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:35:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:35:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:35:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:35:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:35:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:35:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:35:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:35:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:35:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:35:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:35:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:35:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:35:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:35:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:35:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:35:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:35:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:35:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:35:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:35:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:35:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:35:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:35:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:35:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:35:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:35:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:35:40,622 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:35:40,622 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:35:40,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:40 BoogieIcfgContainer [2020-07-21 10:35:40,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:35:40,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:35:40,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:35:40,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:35:40,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:35:38" (1/3) ... [2020-07-21 10:35:40,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fb50cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:40, skipping insertion in model container [2020-07-21 10:35:40,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:39" (2/3) ... [2020-07-21 10:35:40,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fb50cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:40, skipping insertion in model container [2020-07-21 10:35:40,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:40" (3/3) ... [2020-07-21 10:35:40,639 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2020-07-21 10:35:40,649 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:35:40,660 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:35:40,675 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:35:40,713 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:35:40,713 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:35:40,713 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:35:40,713 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:35:40,714 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:35:40,714 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:35:40,714 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:35:40,715 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:35:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2020-07-21 10:35:40,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:35:40,746 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:40,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:40,747 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:40,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:40,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1301923028, now seen corresponding path program 1 times [2020-07-21 10:35:40,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:40,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462275382] [2020-07-21 10:35:40,764 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 10:35:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:41,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:35:41,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:41,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:41,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:41,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462275382] [2020-07-21 10:35:41,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:41,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:35:41,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944347798] [2020-07-21 10:35:41,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:35:41,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:41,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:35:41,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:35:41,109 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2020-07-21 10:35:41,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:41,167 INFO L93 Difference]: Finished difference Result 300 states and 375 transitions. [2020-07-21 10:35:41,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:35:41,168 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:35:41,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:41,190 INFO L225 Difference]: With dead ends: 300 [2020-07-21 10:35:41,190 INFO L226 Difference]: Without dead ends: 150 [2020-07-21 10:35:41,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 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 10:35:41,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-07-21 10:35:41,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2020-07-21 10:35:41,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-21 10:35:41,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2020-07-21 10:35:41,296 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 46 [2020-07-21 10:35:41,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:41,297 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2020-07-21 10:35:41,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:35:41,297 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2020-07-21 10:35:41,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:35:41,301 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:41,301 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:41,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:41,507 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:41,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:41,508 INFO L82 PathProgramCache]: Analyzing trace with hash -216566915, now seen corresponding path program 1 times [2020-07-21 10:35:41,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:41,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344391624] [2020-07-21 10:35:41,510 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 10:35:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:41,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:41,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:41,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:41,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:41,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344391624] [2020-07-21 10:35:41,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:41,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:41,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460428002] [2020-07-21 10:35:41,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:41,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:41,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:41,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:41,805 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 3 states. [2020-07-21 10:35:41,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:41,829 INFO L93 Difference]: Finished difference Result 276 states and 337 transitions. [2020-07-21 10:35:41,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:41,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:35:41,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:41,833 INFO L225 Difference]: With dead ends: 276 [2020-07-21 10:35:41,833 INFO L226 Difference]: Without dead ends: 150 [2020-07-21 10:35:41,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 10:35:41,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-07-21 10:35:41,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2020-07-21 10:35:41,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-21 10:35:41,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 178 transitions. [2020-07-21 10:35:41,871 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 178 transitions. Word has length 47 [2020-07-21 10:35:41,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:41,872 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 178 transitions. [2020-07-21 10:35:41,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 178 transitions. [2020-07-21 10:35:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 10:35:41,880 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:41,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:42,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:42,096 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:42,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:42,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1074666810, now seen corresponding path program 1 times [2020-07-21 10:35:42,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:42,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [959238247] [2020-07-21 10:35:42,099 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 10:35:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:42,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:42,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:42,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:42,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:42,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [959238247] [2020-07-21 10:35:42,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:42,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:42,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997181283] [2020-07-21 10:35:42,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:42,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:42,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:42,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:42,339 INFO L87 Difference]: Start difference. First operand 150 states and 178 transitions. Second operand 3 states. [2020-07-21 10:35:42,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:42,376 INFO L93 Difference]: Finished difference Result 249 states and 295 transitions. [2020-07-21 10:35:42,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:42,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 10:35:42,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:42,383 INFO L225 Difference]: With dead ends: 249 [2020-07-21 10:35:42,385 INFO L226 Difference]: Without dead ends: 141 [2020-07-21 10:35:42,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:42,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-07-21 10:35:42,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2020-07-21 10:35:42,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-07-21 10:35:42,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2020-07-21 10:35:42,414 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 65 [2020-07-21 10:35:42,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:42,415 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2020-07-21 10:35:42,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2020-07-21 10:35:42,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-21 10:35:42,418 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:42,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:42,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:42,631 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:42,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:42,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1315506319, now seen corresponding path program 1 times [2020-07-21 10:35:42,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:42,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1715783818] [2020-07-21 10:35:42,633 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 10:35:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:42,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:35:42,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:42,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:42,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:42,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1715783818] [2020-07-21 10:35:42,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:42,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 10:35:42,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74692846] [2020-07-21 10:35:42,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 10:35:42,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:42,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 10:35:42,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:35:42,954 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 7 states. [2020-07-21 10:35:43,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:43,736 INFO L93 Difference]: Finished difference Result 350 states and 437 transitions. [2020-07-21 10:35:43,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 10:35:43,737 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-07-21 10:35:43,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:43,739 INFO L225 Difference]: With dead ends: 350 [2020-07-21 10:35:43,740 INFO L226 Difference]: Without dead ends: 233 [2020-07-21 10:35:43,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 10:35:43,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-07-21 10:35:43,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 217. [2020-07-21 10:35:43,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-21 10:35:43,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 256 transitions. [2020-07-21 10:35:43,764 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 256 transitions. Word has length 69 [2020-07-21 10:35:43,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:43,765 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 256 transitions. [2020-07-21 10:35:43,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 10:35:43,765 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 256 transitions. [2020-07-21 10:35:43,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-21 10:35:43,766 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:43,766 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] [2020-07-21 10:35:43,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:43,981 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:43,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:43,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1919470965, now seen corresponding path program 1 times [2020-07-21 10:35:43,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:43,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711474754] [2020-07-21 10:35:43,984 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 10:35:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:44,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 10:35:44,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 10:35:44,242 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:44,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711474754] [2020-07-21 10:35:44,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:44,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:35:44,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349104416] [2020-07-21 10:35:44,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:35:44,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:44,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:35:44,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:35:44,246 INFO L87 Difference]: Start difference. First operand 217 states and 256 transitions. Second operand 6 states. [2020-07-21 10:35:44,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:44,520 INFO L93 Difference]: Finished difference Result 592 states and 725 transitions. [2020-07-21 10:35:44,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:35:44,522 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2020-07-21 10:35:44,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:44,529 INFO L225 Difference]: With dead ends: 592 [2020-07-21 10:35:44,530 INFO L226 Difference]: Without dead ends: 399 [2020-07-21 10:35:44,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 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 10:35:44,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-07-21 10:35:44,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 395. [2020-07-21 10:35:44,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-07-21 10:35:44,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 471 transitions. [2020-07-21 10:35:44,582 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 471 transitions. Word has length 99 [2020-07-21 10:35:44,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:44,583 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 471 transitions. [2020-07-21 10:35:44,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:35:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 471 transitions. [2020-07-21 10:35:44,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-21 10:35:44,589 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:44,590 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] [2020-07-21 10:35:44,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:44,792 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:44,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:44,793 INFO L82 PathProgramCache]: Analyzing trace with hash -88143431, now seen corresponding path program 1 times [2020-07-21 10:35:44,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:44,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201000646] [2020-07-21 10:35:44,794 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 10:35:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:44,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 10:35:44,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:45,072 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 10:35:45,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:45,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201000646] [2020-07-21 10:35:45,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:45,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 10:35:45,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506269232] [2020-07-21 10:35:45,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 10:35:45,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:45,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 10:35:45,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:35:45,082 INFO L87 Difference]: Start difference. First operand 395 states and 471 transitions. Second operand 8 states. [2020-07-21 10:35:45,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:45,584 INFO L93 Difference]: Finished difference Result 751 states and 907 transitions. [2020-07-21 10:35:45,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:35:45,585 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2020-07-21 10:35:45,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:45,592 INFO L225 Difference]: With dead ends: 751 [2020-07-21 10:35:45,593 INFO L226 Difference]: Without dead ends: 380 [2020-07-21 10:35:45,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:35:45,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-07-21 10:35:45,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2020-07-21 10:35:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-07-21 10:35:45,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 446 transitions. [2020-07-21 10:35:45,621 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 446 transitions. Word has length 103 [2020-07-21 10:35:45,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:45,622 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 446 transitions. [2020-07-21 10:35:45,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 10:35:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 446 transitions. [2020-07-21 10:35:45,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-21 10:35:45,625 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:45,625 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:35:45,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:45,840 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:45,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:45,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1641254843, now seen corresponding path program 1 times [2020-07-21 10:35:45,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:45,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927389096] [2020-07-21 10:35:45,843 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 10:35:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:46,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 10:35:46,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:46,146 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 10:35:46,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:35:46,383 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:35:46,431 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:35:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-07-21 10:35:46,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927389096] [2020-07-21 10:35:46,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 10:35:46,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2020-07-21 10:35:46,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881031441] [2020-07-21 10:35:46,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:35:46,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:46,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:35:46,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:35:46,572 INFO L87 Difference]: Start difference. First operand 380 states and 446 transitions. Second operand 5 states. [2020-07-21 10:35:47,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:47,138 INFO L93 Difference]: Finished difference Result 1001 states and 1240 transitions. [2020-07-21 10:35:47,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:35:47,139 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2020-07-21 10:35:47,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:47,152 INFO L225 Difference]: With dead ends: 1001 [2020-07-21 10:35:47,153 INFO L226 Difference]: Without dead ends: 645 [2020-07-21 10:35:47,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 331 SyntacticMatches, 7 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:35:47,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-07-21 10:35:47,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 627. [2020-07-21 10:35:47,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-07-21 10:35:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 780 transitions. [2020-07-21 10:35:47,239 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 780 transitions. Word has length 172 [2020-07-21 10:35:47,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:47,240 INFO L479 AbstractCegarLoop]: Abstraction has 627 states and 780 transitions. [2020-07-21 10:35:47,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:35:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 780 transitions. [2020-07-21 10:35:47,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-21 10:35:47,244 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:47,244 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:35:47,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:47,459 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:47,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:47,460 INFO L82 PathProgramCache]: Analyzing trace with hash 961982589, now seen corresponding path program 1 times [2020-07-21 10:35:47,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:47,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206070684] [2020-07-21 10:35:47,462 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 10:35:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:47,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 10:35:47,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-21 10:35:47,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:47,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206070684] [2020-07-21 10:35:47,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:47,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 10:35:47,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474896200] [2020-07-21 10:35:47,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 10:35:47,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:47,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 10:35:47,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:35:47,747 INFO L87 Difference]: Start difference. First operand 627 states and 780 transitions. Second operand 8 states. [2020-07-21 10:35:48,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:48,113 INFO L93 Difference]: Finished difference Result 1156 states and 1461 transitions. [2020-07-21 10:35:48,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:35:48,114 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 172 [2020-07-21 10:35:48,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:48,118 INFO L225 Difference]: With dead ends: 1156 [2020-07-21 10:35:48,118 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:35:48,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 164 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:35:48,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:35:48,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:35:48,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:35:48,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:35:48,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-07-21 10:35:48,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:48,124 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:35:48,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 10:35:48,124 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:35:48,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:35:48,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:48,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:35:49,686 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2020-07-21 10:35:49,935 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 23 [2020-07-21 10:35:51,225 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 27 [2020-07-21 10:35:52,136 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2020-07-21 10:35:52,140 INFO L268 CegarLoopResult]: For program point L730(lines 707 731) no Hoare annotation was computed. [2020-07-21 10:35:52,141 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 683 738) no Hoare annotation was computed. [2020-07-21 10:35:52,141 INFO L268 CegarLoopResult]: For program point L714(lines 714 718) no Hoare annotation was computed. [2020-07-21 10:35:52,141 INFO L268 CegarLoopResult]: For program point L714-1(lines 714 718) no Hoare annotation was computed. [2020-07-21 10:35:52,141 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 683 738) no Hoare annotation was computed. [2020-07-21 10:35:52,142 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-07-21 10:35:52,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 683 738) no Hoare annotation was computed. [2020-07-21 10:35:52,142 INFO L268 CegarLoopResult]: For program point L708-2(lines 708 729) no Hoare annotation was computed. [2020-07-21 10:35:52,142 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-21 10:35:52,142 INFO L268 CegarLoopResult]: For program point L765-2(lines 765 790) no Hoare annotation was computed. [2020-07-21 10:35:52,142 INFO L268 CegarLoopResult]: For program point L791(lines 764 792) no Hoare annotation was computed. [2020-07-21 10:35:52,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 739 798) no Hoare annotation was computed. [2020-07-21 10:35:52,142 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-07-21 10:35:52,143 INFO L268 CegarLoopResult]: For program point L784-1(line 784) no Hoare annotation was computed. [2020-07-21 10:35:52,143 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 739 798) no Hoare annotation was computed. [2020-07-21 10:35:52,143 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 739 798) no Hoare annotation was computed. [2020-07-21 10:35:52,143 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-21 10:35:52,143 INFO L268 CegarLoopResult]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2020-07-21 10:35:52,143 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-21 10:35:52,144 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-21 10:35:52,144 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-21 10:35:52,144 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-21 10:35:52,144 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-21 10:35:52,144 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:52,144 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2020-07-21 10:35:52,145 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:52,145 INFO L264 CegarLoopResult]: At program point L312-1(line 312) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:52,145 INFO L268 CegarLoopResult]: For program point L310(lines 310 317) no Hoare annotation was computed. [2020-07-21 10:35:52,145 INFO L268 CegarLoopResult]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2020-07-21 10:35:52,145 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-07-21 10:35:52,145 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:52,146 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:52,146 INFO L264 CegarLoopResult]: At program point L306-1(line 306) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:52,146 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2020-07-21 10:35:52,146 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 258 281) no Hoare annotation was computed. [2020-07-21 10:35:52,146 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 258 281) no Hoare annotation was computed. [2020-07-21 10:35:52,146 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 258 281) no Hoare annotation was computed. [2020-07-21 10:35:52,147 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-07-21 10:35:52,147 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-21 10:35:52,147 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-07-21 10:35:52,147 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-07-21 10:35:52,147 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-07-21 10:35:52,147 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-07-21 10:35:52,147 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-07-21 10:35:52,147 INFO L268 CegarLoopResult]: For program point L269(line 269) no Hoare annotation was computed. [2020-07-21 10:35:52,147 INFO L268 CegarLoopResult]: For program point L268(line 268) no Hoare annotation was computed. [2020-07-21 10:35:52,147 INFO L268 CegarLoopResult]: For program point L267(line 267) no Hoare annotation was computed. [2020-07-21 10:35:52,147 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-07-21 10:35:52,147 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-07-21 10:35:52,147 INFO L268 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-07-21 10:35:52,148 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-07-21 10:35:52,148 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 10:35:52,148 INFO L268 CegarLoopResult]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2020-07-21 10:35:52,148 INFO L264 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-21 10:35:52,148 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:35:52,148 INFO L264 CegarLoopResult]: At program point L397(line 397) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-21 10:35:52,148 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2020-07-21 10:35:52,148 INFO L268 CegarLoopResult]: For program point L395(lines 395 403) no Hoare annotation was computed. [2020-07-21 10:35:52,149 INFO L264 CegarLoopResult]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-21 10:35:52,149 INFO L268 CegarLoopResult]: For program point L393-1(line 393) no Hoare annotation was computed. [2020-07-21 10:35:52,149 INFO L268 CegarLoopResult]: For program point L391(lines 391 408) no Hoare annotation was computed. [2020-07-21 10:35:52,149 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2020-07-21 10:35:52,149 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2020-07-21 10:35:52,149 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2020-07-21 10:35:52,149 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-07-21 10:35:52,149 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2020-07-21 10:35:52,149 INFO L271 CegarLoopResult]: At program point L553(line 553) the Hoare annotation is: true [2020-07-21 10:35:52,149 INFO L268 CegarLoopResult]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2020-07-21 10:35:52,149 INFO L268 CegarLoopResult]: For program point L553-1(line 553) no Hoare annotation was computed. [2020-07-21 10:35:52,149 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2020-07-21 10:35:52,150 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2020-07-21 10:35:52,150 INFO L268 CegarLoopResult]: For program point L510(lines 510 518) no Hoare annotation was computed. [2020-07-21 10:35:52,150 INFO L268 CegarLoopResult]: For program point L510-2(lines 510 518) no Hoare annotation was computed. [2020-07-21 10:35:52,150 INFO L268 CegarLoopResult]: For program point L498(lines 498 506) no Hoare annotation was computed. [2020-07-21 10:35:52,150 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 506) no Hoare annotation was computed. [2020-07-21 10:35:52,150 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 491 526) no Hoare annotation was computed. [2020-07-21 10:35:52,150 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-21 10:35:52,150 INFO L268 CegarLoopResult]: For program point L521-1(line 521) no Hoare annotation was computed. [2020-07-21 10:35:52,150 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 491 526) no Hoare annotation was computed. [2020-07-21 10:35:52,151 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 491 526) no Hoare annotation was computed. [2020-07-21 10:35:52,151 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-21 10:35:52,151 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-21 10:35:52,151 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 637 682) no Hoare annotation was computed. [2020-07-21 10:35:52,151 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 637 682) no Hoare annotation was computed. [2020-07-21 10:35:52,151 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 637 682) no Hoare annotation was computed. [2020-07-21 10:35:52,151 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 950 995) no Hoare annotation was computed. [2020-07-21 10:35:52,151 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 950 995) no Hoare annotation was computed. [2020-07-21 10:35:52,151 INFO L268 CegarLoopResult]: For program point L970(lines 970 977) no Hoare annotation was computed. [2020-07-21 10:35:52,151 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 950 995) no Hoare annotation was computed. [2020-07-21 10:35:52,151 INFO L268 CegarLoopResult]: For program point L964(lines 964 984) no Hoare annotation was computed. [2020-07-21 10:35:52,152 INFO L268 CegarLoopResult]: For program point L964-1(lines 964 984) no Hoare annotation was computed. [2020-07-21 10:35:52,152 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:52,152 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2020-07-21 10:35:52,152 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2020-07-21 10:35:52,152 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2020-07-21 10:35:52,152 INFO L271 CegarLoopResult]: At program point L476(line 476) the Hoare annotation is: true [2020-07-21 10:35:52,152 INFO L268 CegarLoopResult]: For program point L476-1(line 476) no Hoare annotation was computed. [2020-07-21 10:35:52,152 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2020-07-21 10:35:52,152 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2020-07-21 10:35:52,152 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-21 10:35:52,153 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2020-07-21 10:35:52,153 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2020-07-21 10:35:52,153 INFO L268 CegarLoopResult]: For program point L169(lines 169 175) no Hoare annotation was computed. [2020-07-21 10:35:52,153 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2020-07-21 10:35:52,153 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2020-07-21 10:35:52,153 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2020-07-21 10:35:52,153 INFO L268 CegarLoopResult]: For program point L417(lines 417 434) no Hoare annotation was computed. [2020-07-21 10:35:52,153 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2020-07-21 10:35:52,153 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-21 10:35:52,153 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 10:35:52,153 INFO L268 CegarLoopResult]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2020-07-21 10:35:52,153 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-21 10:35:52,154 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse3 (and .cse1 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4))) (or .cse0 .cse4 .cse2))) [2020-07-21 10:35:52,154 INFO L268 CegarLoopResult]: For program point L421(lines 421 429) no Hoare annotation was computed. [2020-07-21 10:35:52,154 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse1))) [2020-07-21 10:35:52,154 INFO L268 CegarLoopResult]: For program point L419-1(line 419) no Hoare annotation was computed. [2020-07-21 10:35:52,154 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2020-07-21 10:35:52,154 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2020-07-21 10:35:52,154 INFO L264 CegarLoopResult]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:52,154 INFO L268 CegarLoopResult]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2020-07-21 10:35:52,154 INFO L264 CegarLoopResult]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:52,154 INFO L268 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-07-21 10:35:52,155 INFO L264 CegarLoopResult]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (<= 1 ~methaneLevelCritical~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 10:35:52,155 INFO L268 CegarLoopResult]: For program point L577(lines 576 621) no Hoare annotation was computed. [2020-07-21 10:35:52,155 INFO L268 CegarLoopResult]: For program point L606(lines 606 617) no Hoare annotation was computed. [2020-07-21 10:35:52,155 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 10:35:52,155 INFO L268 CegarLoopResult]: For program point L596(lines 596 602) no Hoare annotation was computed. [2020-07-21 10:35:52,155 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2020-07-21 10:35:52,155 INFO L264 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 10:35:52,155 INFO L264 CegarLoopResult]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-21 10:35:52,155 INFO L268 CegarLoopResult]: For program point L586(lines 586 592) no Hoare annotation was computed. [2020-07-21 10:35:52,155 INFO L268 CegarLoopResult]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2020-07-21 10:35:52,155 INFO L268 CegarLoopResult]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2020-07-21 10:35:52,156 INFO L268 CegarLoopResult]: For program point L578(lines 578 582) no Hoare annotation was computed. [2020-07-21 10:35:52,156 INFO L268 CegarLoopResult]: For program point L924(lines 924 931) no Hoare annotation was computed. [2020-07-21 10:35:52,156 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 904 949) no Hoare annotation was computed. [2020-07-21 10:35:52,156 INFO L268 CegarLoopResult]: For program point L918(lines 918 938) no Hoare annotation was computed. [2020-07-21 10:35:52,156 INFO L268 CegarLoopResult]: For program point L918-1(lines 918 938) no Hoare annotation was computed. [2020-07-21 10:35:52,156 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 904 949) no Hoare annotation was computed. [2020-07-21 10:35:52,156 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 904 949) no Hoare annotation was computed. [2020-07-21 10:35:52,156 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:52,156 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2020-07-21 10:35:52,156 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2020-07-21 10:35:52,156 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2020-07-21 10:35:52,156 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2020-07-21 10:35:52,156 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point L141(lines 141 149) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 133 155) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 133 155) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 133 155) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 801 903) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point L830(lines 830 846) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point L890(lines 890 897) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point L851(lines 850 870) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point L882-1(line 882) no Hoare annotation was computed. [2020-07-21 10:35:52,157 INFO L268 CegarLoopResult]: For program point L847(lines 847 888) no Hoare annotation was computed. [2020-07-21 10:35:52,158 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 801 903) no Hoare annotation was computed. [2020-07-21 10:35:52,158 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-21 10:35:52,158 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-07-21 10:35:52,158 INFO L268 CegarLoopResult]: For program point L825(lines 825 829) no Hoare annotation was computed. [2020-07-21 10:35:52,158 INFO L268 CegarLoopResult]: For program point L889(lines 889 900) no Hoare annotation was computed. [2020-07-21 10:35:52,158 INFO L268 CegarLoopResult]: For program point L852(lines 852 856) no Hoare annotation was computed. [2020-07-21 10:35:52,158 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 801 903) no Hoare annotation was computed. [2020-07-21 10:35:52,158 INFO L268 CegarLoopResult]: For program point L850-2(lines 850 870) no Hoare annotation was computed. [2020-07-21 10:35:52,158 INFO L268 CegarLoopResult]: For program point L871(lines 849 872) no Hoare annotation was computed. [2020-07-21 10:35:52,158 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:52,158 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1))) [2020-07-21 10:35:52,159 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:52,159 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2020-07-21 10:35:52,159 INFO L264 CegarLoopResult]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:35:52,159 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 10:35:52,159 INFO L268 CegarLoopResult]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2020-07-21 10:35:52,159 INFO L268 CegarLoopResult]: For program point L453(lines 453 459) no Hoare annotation was computed. [2020-07-21 10:35:52,159 INFO L264 CegarLoopResult]: At program point L451(line 451) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 10:35:52,160 INFO L268 CegarLoopResult]: For program point L451-1(line 451) no Hoare annotation was computed. [2020-07-21 10:35:52,160 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 156 164) no Hoare annotation was computed. [2020-07-21 10:35:52,160 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 156 164) no Hoare annotation was computed. [2020-07-21 10:35:52,160 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 156 164) no Hoare annotation was computed. [2020-07-21 10:35:52,160 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2020-07-21 10:35:52,160 INFO L268 CegarLoopResult]: For program point L536(lines 536 540) no Hoare annotation was computed. [2020-07-21 10:35:52,160 INFO L271 CegarLoopResult]: At program point L534(line 534) the Hoare annotation is: true [2020-07-21 10:35:52,160 INFO L268 CegarLoopResult]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2020-07-21 10:35:52,161 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2020-07-21 10:35:52,161 INFO L268 CegarLoopResult]: For program point L534-1(line 534) no Hoare annotation was computed. [2020-07-21 10:35:52,161 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2020-07-21 10:35:52,161 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (<= 1 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2020-07-21 10:35:52,161 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2020-07-21 10:35:52,161 INFO L268 CegarLoopResult]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2020-07-21 10:35:52,161 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:52,161 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:35:52,162 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:52,162 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2020-07-21 10:35:52,162 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2020-07-21 10:35:52,162 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2020-07-21 10:35:52,162 INFO L264 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse0 .cse3 (< 0 ~waterLevel~0) .cse4 (< |old(~waterLevel~0)| 1)) (or .cse0 .cse4 .cse2 (<= 1 ~waterLevel~0) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-21 10:35:52,162 INFO L264 CegarLoopResult]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (< 0 ~waterLevel~0) .cse2 (not (= 0 ~methaneLevelCritical~0)) (< |old(~waterLevel~0)| 1)) (or .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-21 10:35:52,162 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse4))) [2020-07-21 10:35:52,163 INFO L264 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: (let ((.cse2 (<= 1 ~waterLevel~0)) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse6) (or .cse0 .cse5 .cse2 .cse3) (or .cse0 .cse6 .cse5) (or .cse0 .cse1 .cse4))) [2020-07-21 10:35:52,163 INFO L268 CegarLoopResult]: For program point L333(lines 332 351) no Hoare annotation was computed. [2020-07-21 10:35:52,163 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2020-07-21 10:35:52,163 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2020-07-21 10:35:52,163 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2020-07-21 10:35:52,163 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2020-07-21 10:35:52,163 INFO L271 CegarLoopResult]: At program point L252(lines 227 256) the Hoare annotation is: true [2020-07-21 10:35:52,164 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-07-21 10:35:52,164 INFO L268 CegarLoopResult]: For program point L241(lines 241 245) no Hoare annotation was computed. [2020-07-21 10:35:52,164 INFO L271 CegarLoopResult]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2020-07-21 10:35:52,164 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-07-21 10:35:52,164 INFO L271 CegarLoopResult]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2020-07-21 10:35:52,164 INFO L271 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: true [2020-07-21 10:35:52,164 INFO L268 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-07-21 10:35:52,164 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-07-21 10:35:52,165 INFO L268 CegarLoopResult]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2020-07-21 10:35:52,165 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2020-07-21 10:35:52,165 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2020-07-21 10:35:52,165 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2020-07-21 10:35:52,165 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:52,165 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:35:52,165 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:52,165 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:52,166 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:35:52,166 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-21 10:35:52,166 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2020-07-21 10:35:52,166 INFO L268 CegarLoopResult]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2020-07-21 10:35:52,166 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 10:35:52,166 INFO L264 CegarLoopResult]: At program point L371(line 371) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 10:35:52,167 INFO L268 CegarLoopResult]: For program point L369(lines 369 377) no Hoare annotation was computed. [2020-07-21 10:35:52,167 INFO L264 CegarLoopResult]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 10:35:52,167 INFO L268 CegarLoopResult]: For program point L367-1(line 367) no Hoare annotation was computed. [2020-07-21 10:35:52,167 INFO L268 CegarLoopResult]: For program point L365(lines 365 382) no Hoare annotation was computed. [2020-07-21 10:35:52,167 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2020-07-21 10:35:52,167 INFO L268 CegarLoopResult]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2020-07-21 10:35:52,168 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (<= 1 ~waterLevel~0) (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1) (not (= 0 ~pumpRunning~0))))) [2020-07-21 10:35:52,168 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2020-07-21 10:35:52,168 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2020-07-21 10:35:52,168 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2020-07-21 10:35:52,168 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2020-07-21 10:35:52,168 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2020-07-21 10:35:52,168 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2020-07-21 10:35:52,169 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 10:35:52,169 INFO L268 CegarLoopResult]: For program point L211(lines 211 217) no Hoare annotation was computed. [2020-07-21 10:35:52,169 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~methaneLevelCritical~0))) [2020-07-21 10:35:52,169 INFO L268 CegarLoopResult]: For program point L209-1(line 209) no Hoare annotation was computed. [2020-07-21 10:35:52,169 INFO L268 CegarLoopResult]: For program point L207(lines 207 220) no Hoare annotation was computed. [2020-07-21 10:35:52,169 INFO L268 CegarLoopResult]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2020-07-21 10:35:52,169 INFO L271 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: true [2020-07-21 10:35:52,169 INFO L268 CegarLoopResult]: For program point L205-1(line 205) no Hoare annotation was computed. [2020-07-21 10:35:52,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:35:52 BoogieIcfgContainer [2020-07-21 10:35:52,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:35:52,189 INFO L168 Benchmark]: Toolchain (without parser) took 13514.33 ms. Allocated memory was 147.3 MB in the beginning and 385.4 MB in the end (delta: 238.0 MB). Free memory was 103.7 MB in the beginning and 265.5 MB in the end (delta: -161.8 MB). Peak memory consumption was 215.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:52,190 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 10:35:52,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.81 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 103.3 MB in the beginning and 172.4 MB in the end (delta: -69.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:52,191 INFO L168 Benchmark]: Boogie Preprocessor took 114.69 ms. Allocated memory is still 203.9 MB. Free memory was 172.4 MB in the beginning and 168.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:52,192 INFO L168 Benchmark]: RCFGBuilder took 1164.74 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 168.4 MB in the beginning and 192.8 MB in the end (delta: -24.3 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:52,193 INFO L168 Benchmark]: TraceAbstraction took 11555.61 ms. Allocated memory was 235.9 MB in the beginning and 385.4 MB in the end (delta: 149.4 MB). Free memory was 191.4 MB in the beginning and 265.5 MB in the end (delta: -74.1 MB). Peak memory consumption was 214.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:52,197 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 668.81 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 103.3 MB in the beginning and 172.4 MB in the end (delta: -69.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.69 ms. Allocated memory is still 203.9 MB. Free memory was 172.4 MB in the beginning and 168.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1164.74 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 168.4 MB in the beginning and 192.8 MB in the end (delta: -24.3 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11555.61 ms. Allocated memory was 235.9 MB in the beginning and 385.4 MB in the end (delta: 149.4 MB). Free memory was 191.4 MB in the beginning and 265.5 MB in the end (delta: -74.1 MB). Peak memory consumption was 214.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= systemActive) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((((!(1 <= systemActive) || ((1 <= methaneLevelCritical && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter <= 0)) || !(1 <= \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.6s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1566 SDtfs, 860 SDslu, 2739 SDs, 0 SdLazy, 1398 SolverSat, 202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 946 GetRequests, 901 SyntacticMatches, 9 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=627occurred in iteration=7, 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, 8 MinimizatonAttempts, 38 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 1245 PreInvPairs, 1321 NumberOfFragments, 1482 HoareAnnotationTreeSize, 1245 FomulaSimplifications, 841 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 68 FomulaSimplificationsInter, 6171 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 773 NumberOfCodeBlocks, 773 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 936 ConstructedInterpolants, 0 QuantifiedInterpolants, 210190 SizeOfPredicates, 20 NumberOfNonLiveVariables, 5982 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 161/162 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...