/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:23:20,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:23:20,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:23:20,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:23:20,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:23:20,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:23:20,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:23:20,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:23:20,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:23:20,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:23:20,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:23:20,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:23:20,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:23:20,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:23:20,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:23:20,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:23:20,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:23:20,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:23:20,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:23:20,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:23:20,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:23:20,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:23:20,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:23:20,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:23:20,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:23:20,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:23:20,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:23:20,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:23:20,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:23:20,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:23:20,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:23:20,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:23:20,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:23:20,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:23:20,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:23:20,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:23:20,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:23:20,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:23:20,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:23:20,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:23:20,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:23:20,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:23:20,362 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:23:20,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:23:20,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:23:20,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:23:20,369 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:23:20,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:23:20,370 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:23:20,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:23:20,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:23:20,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:23:20,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:23:20,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:23:20,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:23:20,371 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:23:20,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:23:20,372 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:23:20,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:23:20,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:23:20,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:23:20,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:23:20,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:23:20,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:23:20,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:23:20,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:23:20,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:23:20,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:23:20,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:20,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:23:20,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:23:20,374 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:23:20,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:23:20,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:23:20,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:23:20,677 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:23:20,678 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:23:20,678 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-07-20 16:23:20,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c5cd887d/ff2e83acc1b84e968e359dd7181ab678/FLAG7697cbb44 [2020-07-20 16:23:21,320 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:23:21,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-07-20 16:23:21,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c5cd887d/ff2e83acc1b84e968e359dd7181ab678/FLAG7697cbb44 [2020-07-20 16:23:21,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c5cd887d/ff2e83acc1b84e968e359dd7181ab678 [2020-07-20 16:23:21,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:23:21,631 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:23:21,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:21,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:23:21,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:23:21,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:21" (1/1) ... [2020-07-20 16:23:21,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f8717a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:21, skipping insertion in model container [2020-07-20 16:23:21,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:21" (1/1) ... [2020-07-20 16:23:21,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:23:21,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:23:22,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:22,125 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:23:22,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:22,314 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:23:22,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:22 WrapperNode [2020-07-20 16:23:22,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:22,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:23:22,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:23:22,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:23:22,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:22" (1/1) ... [2020-07-20 16:23:22,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:22" (1/1) ... [2020-07-20 16:23:22,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:22" (1/1) ... [2020-07-20 16:23:22,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:22" (1/1) ... [2020-07-20 16:23:22,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:22" (1/1) ... [2020-07-20 16:23:22,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:22" (1/1) ... [2020-07-20 16:23:22,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:22" (1/1) ... [2020-07-20 16:23:22,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:23:22,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:23:22,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:23:22,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:23:22,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:23:22,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:23:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:23:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:23:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:23:22,490 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:23:22,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:23:22,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:23:22,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:23:22,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:23:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:23:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:23:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:23:22,492 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:23:22,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:23:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:23:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:23:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:23:22,494 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:23:22,494 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:23:22,494 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:23:22,494 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:23:22,496 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:23:22,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:23:22,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:23:22,497 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:23:22,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:23:22,498 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:23:22,498 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:23:22,498 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:23:22,498 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:23:22,498 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:23:22,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:22,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:22,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:22,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:23:22,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:23:22,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:23:22,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:23:22,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:23:22,500 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:23:22,500 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:23:22,500 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:23:22,500 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:23:22,500 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:23:22,500 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:23:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:23:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:23:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:23:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:23:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:23:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:23:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:23:22,502 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:23:22,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:22,502 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:23:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:23:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:23:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:23:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:23:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:23:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:23:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:23:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:23:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:23:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:23:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:23:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:23:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:23:22,505 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:23:22,505 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:23:22,506 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:23:22,506 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:23:22,506 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:23:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:23:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:23:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:23:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:23:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:23:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:23:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:23:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:23:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:23:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:23:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:23:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:23:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:23:23,464 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:23:23,464 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:23:23,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:23 BoogieIcfgContainer [2020-07-20 16:23:23,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:23:23,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:23:23,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:23:23,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:23:23,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:23:21" (1/3) ... [2020-07-20 16:23:23,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1000e87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:23, skipping insertion in model container [2020-07-20 16:23:23,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:22" (2/3) ... [2020-07-20 16:23:23,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1000e87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:23, skipping insertion in model container [2020-07-20 16:23:23,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:23" (3/3) ... [2020-07-20 16:23:23,479 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2020-07-20 16:23:23,490 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:23:23,499 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:23:23,514 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:23:23,541 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:23:23,541 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:23:23,542 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:23:23,542 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:23:23,542 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:23:23,542 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:23:23,542 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:23:23,543 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:23:23,566 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-07-20 16:23:23,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:23:23,580 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:23,581 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] [2020-07-20 16:23:23,581 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:23,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:23,587 INFO L82 PathProgramCache]: Analyzing trace with hash 652232891, now seen corresponding path program 1 times [2020-07-20 16:23:23,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:23,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637400756] [2020-07-20 16:23:23,595 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:24,130 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:24,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:24,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:23:24,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:24,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:24,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:24,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637400756] [2020-07-20 16:23:24,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:24,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:23:24,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226847907] [2020-07-20 16:23:24,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:23:24,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:24,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:23:24,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:24,218 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2020-07-20 16:23:24,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:24,276 INFO L93 Difference]: Finished difference Result 264 states and 331 transitions. [2020-07-20 16:23:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:23:24,279 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 16:23:24,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:24,299 INFO L225 Difference]: With dead ends: 264 [2020-07-20 16:23:24,299 INFO L226 Difference]: Without dead ends: 134 [2020-07-20 16:23:24,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:24,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-20 16:23:24,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-07-20 16:23:24,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-20 16:23:24,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2020-07-20 16:23:24,408 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2020-07-20 16:23:24,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:24,411 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-07-20 16:23:24,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:23:24,412 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2020-07-20 16:23:24,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:23:24,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:24,420 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] [2020-07-20 16:23:24,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:24,636 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:24,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:24,637 INFO L82 PathProgramCache]: Analyzing trace with hash -564528421, now seen corresponding path program 1 times [2020-07-20 16:23:24,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:24,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [79359500] [2020-07-20 16:23:24,639 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:25,105 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:25,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:25,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:23:25,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:25,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:25,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [79359500] [2020-07-20 16:23:25,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:25,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:25,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867491025] [2020-07-20 16:23:25,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:25,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:25,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:25,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:25,182 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2020-07-20 16:23:25,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:25,218 INFO L93 Difference]: Finished difference Result 207 states and 245 transitions. [2020-07-20 16:23:25,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:25,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:23:25,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:25,222 INFO L225 Difference]: With dead ends: 207 [2020-07-20 16:23:25,223 INFO L226 Difference]: Without dead ends: 125 [2020-07-20 16:23:25,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:25,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-20 16:23:25,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-20 16:23:25,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-20 16:23:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2020-07-20 16:23:25,257 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2020-07-20 16:23:25,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:25,257 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2020-07-20 16:23:25,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:25,258 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2020-07-20 16:23:25,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 16:23:25,267 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:25,267 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] [2020-07-20 16:23:25,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:25,481 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:25,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:25,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1211879035, now seen corresponding path program 1 times [2020-07-20 16:23:25,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:25,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322536198] [2020-07-20 16:23:25,484 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:25,886 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:25,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:25,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:23:25,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:25,950 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:25,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322536198] [2020-07-20 16:23:25,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:25,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:25,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711866282] [2020-07-20 16:23:25,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:25,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:25,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:25,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:25,955 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 3 states. [2020-07-20 16:23:25,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:25,992 INFO L93 Difference]: Finished difference Result 317 states and 385 transitions. [2020-07-20 16:23:25,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:25,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 16:23:25,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:25,996 INFO L225 Difference]: With dead ends: 317 [2020-07-20 16:23:25,996 INFO L226 Difference]: Without dead ends: 220 [2020-07-20 16:23:25,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:25,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-07-20 16:23:26,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 216. [2020-07-20 16:23:26,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-07-20 16:23:26,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 261 transitions. [2020-07-20 16:23:26,020 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 261 transitions. Word has length 56 [2020-07-20 16:23:26,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:26,020 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 261 transitions. [2020-07-20 16:23:26,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:26,021 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 261 transitions. [2020-07-20 16:23:26,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 16:23:26,023 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:26,023 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] [2020-07-20 16:23:26,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:26,236 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:26,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:26,237 INFO L82 PathProgramCache]: Analyzing trace with hash -773448372, now seen corresponding path program 1 times [2020-07-20 16:23:26,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:26,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [104821953] [2020-07-20 16:23:26,239 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:26,732 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:26,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:26,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:26,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:26,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:26,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:26,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [104821953] [2020-07-20 16:23:26,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:26,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:26,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7926876] [2020-07-20 16:23:26,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:26,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:26,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:26,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:26,790 INFO L87 Difference]: Start difference. First operand 216 states and 261 transitions. Second operand 6 states. [2020-07-20 16:23:27,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:27,019 INFO L93 Difference]: Finished difference Result 514 states and 653 transitions. [2020-07-20 16:23:27,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:23:27,020 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-20 16:23:27,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:27,024 INFO L225 Difference]: With dead ends: 514 [2020-07-20 16:23:27,024 INFO L226 Difference]: Without dead ends: 326 [2020-07-20 16:23:27,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:27,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-07-20 16:23:27,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 316. [2020-07-20 16:23:27,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-07-20 16:23:27,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 385 transitions. [2020-07-20 16:23:27,054 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 385 transitions. Word has length 62 [2020-07-20 16:23:27,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:27,055 INFO L479 AbstractCegarLoop]: Abstraction has 316 states and 385 transitions. [2020-07-20 16:23:27,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:27,055 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 385 transitions. [2020-07-20 16:23:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 16:23:27,057 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:27,058 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:27,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:27,271 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:27,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:27,272 INFO L82 PathProgramCache]: Analyzing trace with hash 138966558, now seen corresponding path program 1 times [2020-07-20 16:23:27,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:27,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2147208370] [2020-07-20 16:23:27,273 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:27,482 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:23:27,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:27,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:23:27,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:27,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:27,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:27,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2147208370] [2020-07-20 16:23:27,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:27,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:23:27,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923544941] [2020-07-20 16:23:27,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:23:27,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:27,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:23:27,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:27,528 INFO L87 Difference]: Start difference. First operand 316 states and 385 transitions. Second operand 5 states. [2020-07-20 16:23:27,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:27,554 INFO L93 Difference]: Finished difference Result 618 states and 784 transitions. [2020-07-20 16:23:27,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:23:27,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2020-07-20 16:23:27,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:27,557 INFO L225 Difference]: With dead ends: 618 [2020-07-20 16:23:27,558 INFO L226 Difference]: Without dead ends: 330 [2020-07-20 16:23:27,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:27,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-07-20 16:23:27,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 324. [2020-07-20 16:23:27,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-07-20 16:23:27,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 393 transitions. [2020-07-20 16:23:27,581 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 393 transitions. Word has length 84 [2020-07-20 16:23:27,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:27,582 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 393 transitions. [2020-07-20 16:23:27,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:23:27,582 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 393 transitions. [2020-07-20 16:23:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 16:23:27,584 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:27,584 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:27,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:27,799 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:27,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:27,800 INFO L82 PathProgramCache]: Analyzing trace with hash 840566432, now seen corresponding path program 1 times [2020-07-20 16:23:27,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:27,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015611490] [2020-07-20 16:23:27,802 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:28,130 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:28,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:28,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:23:28,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:28,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:28,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015611490] [2020-07-20 16:23:28,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:28,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:28,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938254517] [2020-07-20 16:23:28,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:28,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:28,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:28,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:28,166 INFO L87 Difference]: Start difference. First operand 324 states and 393 transitions. Second operand 3 states. [2020-07-20 16:23:28,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:28,209 INFO L93 Difference]: Finished difference Result 892 states and 1167 transitions. [2020-07-20 16:23:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:28,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-07-20 16:23:28,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:28,214 INFO L225 Difference]: With dead ends: 892 [2020-07-20 16:23:28,214 INFO L226 Difference]: Without dead ends: 596 [2020-07-20 16:23:28,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:28,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-07-20 16:23:28,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 593. [2020-07-20 16:23:28,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-07-20 16:23:28,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 758 transitions. [2020-07-20 16:23:28,253 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 758 transitions. Word has length 84 [2020-07-20 16:23:28,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:28,253 INFO L479 AbstractCegarLoop]: Abstraction has 593 states and 758 transitions. [2020-07-20 16:23:28,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:28,254 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 758 transitions. [2020-07-20 16:23:28,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 16:23:28,256 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:28,257 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:28,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:28,470 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:28,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:28,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1586514339, now seen corresponding path program 1 times [2020-07-20 16:23:28,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:28,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363819157] [2020-07-20 16:23:28,472 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:28,911 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:28,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:28,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:23:28,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:28,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:28,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:28,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363819157] [2020-07-20 16:23:28,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:28,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:28,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860150112] [2020-07-20 16:23:28,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:28,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:28,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:28,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:28,953 INFO L87 Difference]: Start difference. First operand 593 states and 758 transitions. Second operand 3 states. [2020-07-20 16:23:29,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:29,009 INFO L93 Difference]: Finished difference Result 1070 states and 1405 transitions. [2020-07-20 16:23:29,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:29,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-07-20 16:23:29,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:29,027 INFO L225 Difference]: With dead ends: 1070 [2020-07-20 16:23:29,027 INFO L226 Difference]: Without dead ends: 1067 [2020-07-20 16:23:29,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:29,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2020-07-20 16:23:29,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1011. [2020-07-20 16:23:29,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1011 states. [2020-07-20 16:23:29,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1335 transitions. [2020-07-20 16:23:29,084 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1335 transitions. Word has length 84 [2020-07-20 16:23:29,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:29,085 INFO L479 AbstractCegarLoop]: Abstraction has 1011 states and 1335 transitions. [2020-07-20 16:23:29,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:29,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1335 transitions. [2020-07-20 16:23:29,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-20 16:23:29,090 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:29,090 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:23:29,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:29,304 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:29,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:29,305 INFO L82 PathProgramCache]: Analyzing trace with hash 538076528, now seen corresponding path program 1 times [2020-07-20 16:23:29,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:29,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1799757917] [2020-07-20 16:23:29,306 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:29,684 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:29,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:29,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:23:29,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 16:23:29,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:29,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1799757917] [2020-07-20 16:23:29,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:29,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:29,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904059208] [2020-07-20 16:23:29,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:29,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:29,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:29,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:29,733 INFO L87 Difference]: Start difference. First operand 1011 states and 1335 transitions. Second operand 3 states. [2020-07-20 16:23:29,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:29,818 INFO L93 Difference]: Finished difference Result 1116 states and 1477 transitions. [2020-07-20 16:23:29,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:29,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-07-20 16:23:29,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:29,822 INFO L225 Difference]: With dead ends: 1116 [2020-07-20 16:23:29,823 INFO L226 Difference]: Without dead ends: 499 [2020-07-20 16:23:29,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:29,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-07-20 16:23:29,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2020-07-20 16:23:29,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2020-07-20 16:23:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 635 transitions. [2020-07-20 16:23:29,856 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 635 transitions. Word has length 128 [2020-07-20 16:23:29,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:29,856 INFO L479 AbstractCegarLoop]: Abstraction has 499 states and 635 transitions. [2020-07-20 16:23:29,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:29,856 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 635 transitions. [2020-07-20 16:23:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 16:23:29,860 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:29,860 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:30,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:30,076 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:30,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:30,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1929257136, now seen corresponding path program 1 times [2020-07-20 16:23:30,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:30,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2079725990] [2020-07-20 16:23:30,077 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:30,425 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:30,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:30,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 16:23:30,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 16:23:30,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:30,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2079725990] [2020-07-20 16:23:30,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:30,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:30,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877540497] [2020-07-20 16:23:30,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:30,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:30,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:30,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:30,499 INFO L87 Difference]: Start difference. First operand 499 states and 635 transitions. Second operand 6 states. [2020-07-20 16:23:30,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:30,887 INFO L93 Difference]: Finished difference Result 1368 states and 1799 transitions. [2020-07-20 16:23:30,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:30,887 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2020-07-20 16:23:30,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:30,893 INFO L225 Difference]: With dead ends: 1368 [2020-07-20 16:23:30,893 INFO L226 Difference]: Without dead ends: 897 [2020-07-20 16:23:30,896 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:30,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2020-07-20 16:23:30,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 747. [2020-07-20 16:23:30,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-07-20 16:23:30,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 946 transitions. [2020-07-20 16:23:30,942 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 946 transitions. Word has length 146 [2020-07-20 16:23:30,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:30,943 INFO L479 AbstractCegarLoop]: Abstraction has 747 states and 946 transitions. [2020-07-20 16:23:30,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:30,943 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 946 transitions. [2020-07-20 16:23:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-20 16:23:30,948 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:30,948 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:31,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:31,162 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:31,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:31,163 INFO L82 PathProgramCache]: Analyzing trace with hash 518900876, now seen corresponding path program 1 times [2020-07-20 16:23:31,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:31,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540590137] [2020-07-20 16:23:31,164 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:31,550 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:31,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:31,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:23:31,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:31,648 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 16:23:31,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:31,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1540590137] [2020-07-20 16:23:31,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:31,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 16:23:31,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021805851] [2020-07-20 16:23:31,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 16:23:31,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:31,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 16:23:31,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:31,652 INFO L87 Difference]: Start difference. First operand 747 states and 946 transitions. Second operand 8 states. [2020-07-20 16:23:32,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:32,070 INFO L93 Difference]: Finished difference Result 1446 states and 1860 transitions. [2020-07-20 16:23:32,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 16:23:32,071 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-07-20 16:23:32,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:32,080 INFO L225 Difference]: With dead ends: 1446 [2020-07-20 16:23:32,080 INFO L226 Difference]: Without dead ends: 727 [2020-07-20 16:23:32,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:32,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2020-07-20 16:23:32,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 719. [2020-07-20 16:23:32,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2020-07-20 16:23:32,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 888 transitions. [2020-07-20 16:23:32,129 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 888 transitions. Word has length 150 [2020-07-20 16:23:32,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:32,130 INFO L479 AbstractCegarLoop]: Abstraction has 719 states and 888 transitions. [2020-07-20 16:23:32,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 16:23:32,130 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 888 transitions. [2020-07-20 16:23:32,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-20 16:23:32,134 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:32,134 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 16:23:32,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:32,350 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:32,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:32,351 INFO L82 PathProgramCache]: Analyzing trace with hash 2143871491, now seen corresponding path program 1 times [2020-07-20 16:23:32,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:32,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944534205] [2020-07-20 16:23:32,352 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:32,627 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:23:32,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:32,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 16:23:32,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:32,740 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:32,740 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:32,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944534205] [2020-07-20 16:23:32,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:32,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 16:23:32,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859959255] [2020-07-20 16:23:32,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 16:23:32,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:32,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 16:23:32,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:32,743 INFO L87 Difference]: Start difference. First operand 719 states and 888 transitions. Second operand 8 states. [2020-07-20 16:23:34,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:34,008 INFO L93 Difference]: Finished difference Result 2261 states and 3064 transitions. [2020-07-20 16:23:34,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 16:23:34,008 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-07-20 16:23:34,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:34,023 INFO L225 Difference]: With dead ends: 2261 [2020-07-20 16:23:34,024 INFO L226 Difference]: Without dead ends: 1570 [2020-07-20 16:23:34,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-07-20 16:23:34,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2020-07-20 16:23:34,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1446. [2020-07-20 16:23:34,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1446 states. [2020-07-20 16:23:34,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 1881 transitions. [2020-07-20 16:23:34,160 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 1881 transitions. Word has length 150 [2020-07-20 16:23:34,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:34,161 INFO L479 AbstractCegarLoop]: Abstraction has 1446 states and 1881 transitions. [2020-07-20 16:23:34,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 16:23:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1881 transitions. [2020-07-20 16:23:34,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 16:23:34,168 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:34,168 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 16:23:34,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:34,382 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:34,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:34,382 INFO L82 PathProgramCache]: Analyzing trace with hash 550377833, now seen corresponding path program 1 times [2020-07-20 16:23:34,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:34,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902260126] [2020-07-20 16:23:34,382 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:34,697 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:34,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:34,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:34,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-20 16:23:34,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:34,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902260126] [2020-07-20 16:23:34,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:34,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:34,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595983381] [2020-07-20 16:23:34,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:34,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:34,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:34,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:34,746 INFO L87 Difference]: Start difference. First operand 1446 states and 1881 transitions. Second operand 6 states. [2020-07-20 16:23:34,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:34,837 INFO L93 Difference]: Finished difference Result 2894 states and 3867 transitions. [2020-07-20 16:23:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:34,838 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2020-07-20 16:23:34,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:34,849 INFO L225 Difference]: With dead ends: 2894 [2020-07-20 16:23:34,850 INFO L226 Difference]: Without dead ends: 1476 [2020-07-20 16:23:34,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:23:34,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2020-07-20 16:23:34,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1476. [2020-07-20 16:23:34,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1476 states. [2020-07-20 16:23:34,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 1917 transitions. [2020-07-20 16:23:34,975 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 1917 transitions. Word has length 146 [2020-07-20 16:23:34,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:34,976 INFO L479 AbstractCegarLoop]: Abstraction has 1476 states and 1917 transitions. [2020-07-20 16:23:34,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:34,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1917 transitions. [2020-07-20 16:23:34,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 16:23:34,985 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:34,985 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 16:23:35,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:35,200 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:35,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:35,200 INFO L82 PathProgramCache]: Analyzing trace with hash 481244141, now seen corresponding path program 1 times [2020-07-20 16:23:35,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:35,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862784719] [2020-07-20 16:23:35,201 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:35,427 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:23:35,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:35,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:23:35,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-20 16:23:35,472 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:35,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862784719] [2020-07-20 16:23:35,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:35,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:23:35,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764579993] [2020-07-20 16:23:35,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:23:35,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:35,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:23:35,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:35,477 INFO L87 Difference]: Start difference. First operand 1476 states and 1917 transitions. Second operand 5 states. [2020-07-20 16:23:35,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:35,536 INFO L93 Difference]: Finished difference Result 2548 states and 3383 transitions. [2020-07-20 16:23:35,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:23:35,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-07-20 16:23:35,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:35,546 INFO L225 Difference]: With dead ends: 2548 [2020-07-20 16:23:35,546 INFO L226 Difference]: Without dead ends: 1100 [2020-07-20 16:23:35,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:35,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2020-07-20 16:23:35,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1100. [2020-07-20 16:23:35,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1100 states. [2020-07-20 16:23:35,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1364 transitions. [2020-07-20 16:23:35,613 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1364 transitions. Word has length 146 [2020-07-20 16:23:35,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:35,614 INFO L479 AbstractCegarLoop]: Abstraction has 1100 states and 1364 transitions. [2020-07-20 16:23:35,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:23:35,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1364 transitions. [2020-07-20 16:23:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-20 16:23:35,617 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:35,617 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 16:23:35,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:35,831 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:35,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:35,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1053600099, now seen corresponding path program 1 times [2020-07-20 16:23:35,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:35,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1677356896] [2020-07-20 16:23:35,832 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:36,204 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:36,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:36,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-20 16:23:36,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 16:23:36,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:23:36,536 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:23:36,566 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:23:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-20 16:23:36,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1677356896] [2020-07-20 16:23:36,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:23:36,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 12 [2020-07-20 16:23:36,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907565642] [2020-07-20 16:23:36,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 16:23:36,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:36,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 16:23:36,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-07-20 16:23:36,756 INFO L87 Difference]: Start difference. First operand 1100 states and 1364 transitions. Second operand 12 states. [2020-07-20 16:23:37,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:37,926 INFO L93 Difference]: Finished difference Result 2835 states and 3970 transitions. [2020-07-20 16:23:37,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 16:23:37,927 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 154 [2020-07-20 16:23:37,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:37,939 INFO L225 Difference]: With dead ends: 2835 [2020-07-20 16:23:37,940 INFO L226 Difference]: Without dead ends: 1763 [2020-07-20 16:23:37,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 286 SyntacticMatches, 14 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2020-07-20 16:23:37,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2020-07-20 16:23:38,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1025. [2020-07-20 16:23:38,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1025 states. [2020-07-20 16:23:38,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1203 transitions. [2020-07-20 16:23:38,026 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1203 transitions. Word has length 154 [2020-07-20 16:23:38,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:38,027 INFO L479 AbstractCegarLoop]: Abstraction has 1025 states and 1203 transitions. [2020-07-20 16:23:38,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 16:23:38,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1203 transitions. [2020-07-20 16:23:38,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-20 16:23:38,030 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:38,031 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 16:23:38,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:38,246 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:38,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:38,247 INFO L82 PathProgramCache]: Analyzing trace with hash -936503095, now seen corresponding path program 1 times [2020-07-20 16:23:38,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:38,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029447392] [2020-07-20 16:23:38,248 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:38,648 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:38,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:38,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 16:23:38,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:38,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:38,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029447392] [2020-07-20 16:23:38,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:38,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:38,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288714225] [2020-07-20 16:23:38,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:38,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:38,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:38,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:38,686 INFO L87 Difference]: Start difference. First operand 1025 states and 1203 transitions. Second operand 3 states. [2020-07-20 16:23:38,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:38,803 INFO L93 Difference]: Finished difference Result 1942 states and 2305 transitions. [2020-07-20 16:23:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:38,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-07-20 16:23:38,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:38,805 INFO L225 Difference]: With dead ends: 1942 [2020-07-20 16:23:38,805 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:23:38,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:38,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:23:38,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:23:38,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:23:38,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:23:38,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2020-07-20 16:23:38,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:38,814 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:23:38,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:38,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:23:38,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:23:39,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:39,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:23:41,527 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 37 [2020-07-20 16:23:41,922 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 34 [2020-07-20 16:23:42,212 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 33 [2020-07-20 16:23:42,868 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 57 [2020-07-20 16:23:43,232 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2020-07-20 16:23:43,523 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 34 [2020-07-20 16:23:44,001 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 49 [2020-07-20 16:23:44,215 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2020-07-20 16:23:44,627 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2020-07-20 16:23:44,790 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2020-07-20 16:23:45,870 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 121 DAG size of output: 63 [2020-07-20 16:23:46,325 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 47 [2020-07-20 16:23:46,605 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 36 [2020-07-20 16:23:46,859 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 34 [2020-07-20 16:23:46,972 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 23 [2020-07-20 16:23:47,266 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 39 [2020-07-20 16:23:47,437 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 36 [2020-07-20 16:23:47,763 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 43 [2020-07-20 16:23:48,266 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 46 [2020-07-20 16:23:48,529 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2020-07-20 16:23:48,891 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 35 [2020-07-20 16:23:49,092 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2020-07-20 16:23:49,459 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2020-07-20 16:23:49,691 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 23 [2020-07-20 16:23:51,467 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 125 DAG size of output: 63 [2020-07-20 16:23:51,778 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 36 [2020-07-20 16:23:51,783 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-07-20 16:23:51,783 INFO L268 CegarLoopResult]: For program point L670-2(lines 670 691) no Hoare annotation was computed. [2020-07-20 16:23:51,783 INFO L268 CegarLoopResult]: For program point L692(lines 669 693) no Hoare annotation was computed. [2020-07-20 16:23:51,783 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 645 700) no Hoare annotation was computed. [2020-07-20 16:23:51,784 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 645 700) no Hoare annotation was computed. [2020-07-20 16:23:51,784 INFO L268 CegarLoopResult]: For program point L676(lines 676 680) no Hoare annotation was computed. [2020-07-20 16:23:51,784 INFO L268 CegarLoopResult]: For program point L676-1(lines 676 680) no Hoare annotation was computed. [2020-07-20 16:23:51,784 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 645 700) no Hoare annotation was computed. [2020-07-20 16:23:51,784 INFO L268 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-07-20 16:23:51,785 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2020-07-20 16:23:51,785 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-07-20 16:23:51,785 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 701 760) no Hoare annotation was computed. [2020-07-20 16:23:51,785 INFO L268 CegarLoopResult]: For program point L727-2(lines 727 752) no Hoare annotation was computed. [2020-07-20 16:23:51,785 INFO L268 CegarLoopResult]: For program point L753(lines 726 754) no Hoare annotation was computed. [2020-07-20 16:23:51,785 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 701 760) no Hoare annotation was computed. [2020-07-20 16:23:51,786 INFO L268 CegarLoopResult]: For program point L746(line 746) no Hoare annotation was computed. [2020-07-20 16:23:51,786 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 701 760) no Hoare annotation was computed. [2020-07-20 16:23:51,786 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-07-20 16:23:51,786 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 576 582) the Hoare annotation is: true [2020-07-20 16:23:51,786 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 576 582) no Hoare annotation was computed. [2020-07-20 16:23:51,786 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 583 591) no Hoare annotation was computed. [2020-07-20 16:23:51,787 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 583 591) the Hoare annotation is: true [2020-07-20 16:23:51,787 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 583 591) no Hoare annotation was computed. [2020-07-20 16:23:51,787 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 221 243) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:51,787 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 221 243) no Hoare annotation was computed. [2020-07-20 16:23:51,787 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 221 243) no Hoare annotation was computed. [2020-07-20 16:23:51,787 INFO L264 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:51,788 INFO L264 CegarLoopResult]: At program point L233-1(line 233) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:51,788 INFO L268 CegarLoopResult]: For program point L231(lines 231 238) no Hoare annotation was computed. [2020-07-20 16:23:51,788 INFO L268 CegarLoopResult]: For program point L231-1(lines 231 238) no Hoare annotation was computed. [2020-07-20 16:23:51,788 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-07-20 16:23:51,788 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:51,788 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:51,788 INFO L264 CegarLoopResult]: At program point L227-1(line 227) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:51,789 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-20 16:23:51,789 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2020-07-20 16:23:51,789 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-07-20 16:23:51,789 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 16:23:51,789 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-20 16:23:51,789 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2020-07-20 16:23:51,789 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-07-20 16:23:51,789 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2020-07-20 16:23:51,789 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 16:23:51,790 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-07-20 16:23:51,790 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-07-20 16:23:51,790 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 16:23:51,790 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-07-20 16:23:51,790 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-07-20 16:23:51,790 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 16:23:51,790 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-07-20 16:23:51,790 INFO L268 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-07-20 16:23:51,790 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 542 556) no Hoare annotation was computed. [2020-07-20 16:23:51,790 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 542 556) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)))) [2020-07-20 16:23:51,791 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 542 556) no Hoare annotation was computed. [2020-07-20 16:23:51,791 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (and (or (not (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))) [2020-07-20 16:23:51,791 INFO L268 CegarLoopResult]: For program point L546(lines 546 552) no Hoare annotation was computed. [2020-07-20 16:23:51,791 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 478 486) no Hoare annotation was computed. [2020-07-20 16:23:51,791 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 478 486) the Hoare annotation is: true [2020-07-20 16:23:51,791 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 478 486) no Hoare annotation was computed. [2020-07-20 16:23:51,791 INFO L268 CegarLoopResult]: For program point L506(lines 506 514) no Hoare annotation was computed. [2020-07-20 16:23:51,791 INFO L268 CegarLoopResult]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2020-07-20 16:23:51,791 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 487 522) no Hoare annotation was computed. [2020-07-20 16:23:51,792 INFO L268 CegarLoopResult]: For program point L494(lines 494 502) no Hoare annotation was computed. [2020-07-20 16:23:51,792 INFO L268 CegarLoopResult]: For program point L494-2(lines 494 502) no Hoare annotation was computed. [2020-07-20 16:23:51,792 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 487 522) no Hoare annotation was computed. [2020-07-20 16:23:51,792 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 16:23:51,792 INFO L268 CegarLoopResult]: For program point L517-1(line 517) no Hoare annotation was computed. [2020-07-20 16:23:51,792 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 487 522) no Hoare annotation was computed. [2020-07-20 16:23:51,792 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 569 575) no Hoare annotation was computed. [2020-07-20 16:23:51,792 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 569 575) the Hoare annotation is: true [2020-07-20 16:23:51,792 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 599 644) no Hoare annotation was computed. [2020-07-20 16:23:51,793 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 599 644) no Hoare annotation was computed. [2020-07-20 16:23:51,793 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 599 644) no Hoare annotation was computed. [2020-07-20 16:23:51,793 INFO L268 CegarLoopResult]: For program point L926(lines 926 946) no Hoare annotation was computed. [2020-07-20 16:23:51,793 INFO L268 CegarLoopResult]: For program point L926-1(lines 926 946) no Hoare annotation was computed. [2020-07-20 16:23:51,793 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 912 957) no Hoare annotation was computed. [2020-07-20 16:23:51,793 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 912 957) no Hoare annotation was computed. [2020-07-20 16:23:51,793 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 912 957) no Hoare annotation was computed. [2020-07-20 16:23:51,793 INFO L268 CegarLoopResult]: For program point L932(lines 932 939) no Hoare annotation was computed. [2020-07-20 16:23:51,794 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 207 217) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:51,794 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 207 217) no Hoare annotation was computed. [2020-07-20 16:23:51,794 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 207 217) no Hoare annotation was computed. [2020-07-20 16:23:51,794 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:51,794 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 467 477) the Hoare annotation is: true [2020-07-20 16:23:51,794 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 467 477) no Hoare annotation was computed. [2020-07-20 16:23:51,794 INFO L271 CegarLoopResult]: At program point L472(line 472) the Hoare annotation is: true [2020-07-20 16:23:51,794 INFO L268 CegarLoopResult]: For program point L472-1(line 472) no Hoare annotation was computed. [2020-07-20 16:23:51,795 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 467 477) no Hoare annotation was computed. [2020-07-20 16:23:51,795 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 459 466) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse4 .cse1 .cse2 .cse3) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse4 .cse1 .cse2 .cse3))) [2020-07-20 16:23:51,795 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 459 466) no Hoare annotation was computed. [2020-07-20 16:23:51,795 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 459 466) no Hoare annotation was computed. [2020-07-20 16:23:51,795 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-20 16:23:51,795 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-20 16:23:51,795 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-20 16:23:51,795 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-20 16:23:51,796 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse2 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse6 .cse7) (or .cse1 .cse3 .cse4 .cse8 .cse5) (or .cse1 .cse6 .cse8 .cse7))) [2020-07-20 16:23:51,796 INFO L268 CegarLoopResult]: For program point L445-1(lines 426 450) no Hoare annotation was computed. [2020-07-20 16:23:51,796 INFO L264 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: (let ((.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse5 .cse6) (or .cse0 .cse2 .cse7 .cse3 (<= 1 ~pumpRunning~0)) (or .cse0 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-20 16:23:51,796 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 426 450) no Hoare annotation was computed. [2020-07-20 16:23:51,796 INFO L264 CegarLoopResult]: At program point L436(line 436) the Hoare annotation is: (let ((.cse8 (<= 1 ~pumpRunning~0))) (let ((.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) .cse8)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse8) (or .cse1 .cse3 .cse4 .cse6) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse2 .cse9 .cse5 .cse7) (or .cse0 .cse1 .cse2 .cse9 .cse5 .cse7)))) [2020-07-20 16:23:51,797 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 426 450) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse9 (<= 1 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse8 .cse9) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse2 .cse6 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse6 .cse8 .cse9) (or .cse1 .cse3 .cse4 .cse7 .cse5))) [2020-07-20 16:23:51,797 INFO L268 CegarLoopResult]: For program point L434(lines 434 442) no Hoare annotation was computed. [2020-07-20 16:23:51,797 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse8 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse8) (or .cse1 .cse3 .cse4 .cse6) (or (not (<= 1 ~waterLevel~0)) .cse1 .cse2 .cse5 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse5 .cse7 .cse8))) [2020-07-20 16:23:51,797 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-07-20 16:23:51,797 INFO L268 CegarLoopResult]: For program point L430(lines 430 447) no Hoare annotation was computed. [2020-07-20 16:23:51,797 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 392 398) no Hoare annotation was computed. [2020-07-20 16:23:51,797 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 392 398) the Hoare annotation is: true [2020-07-20 16:23:51,798 INFO L264 CegarLoopResult]: At program point testENTRY(lines 296 361) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:51,798 INFO L264 CegarLoopResult]: At program point L351(lines 306 353) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= 0 ~systemActive~0) .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (< 1 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse0 .cse2 .cse4 .cse5 .cse6) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:51,798 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= 0 ~systemActive~0) .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (< 1 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse0 .cse2 .cse4 .cse5 .cse6) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:51,798 INFO L268 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-07-20 16:23:51,798 INFO L268 CegarLoopResult]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2020-07-20 16:23:51,798 INFO L268 CegarLoopResult]: For program point testFINAL(lines 296 361) no Hoare annotation was computed. [2020-07-20 16:23:51,799 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-07-20 16:23:51,799 INFO L264 CegarLoopResult]: At program point L354(lines 305 355) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:51,799 INFO L264 CegarLoopResult]: At program point L344(line 344) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~systemActive~0)))) [2020-07-20 16:23:51,799 INFO L268 CegarLoopResult]: For program point L342(lines 342 348) no Hoare annotation was computed. [2020-07-20 16:23:51,799 INFO L264 CegarLoopResult]: At program point L342-1(lines 336 349) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse4 .cse5 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (< 1 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5 .cse7) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse4 .cse5 .cse7) (and .cse6 .cse0 .cse2 .cse3 .cse4 .cse5) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4))) [2020-07-20 16:23:51,799 INFO L268 CegarLoopResult]: For program point L307(lines 306 353) no Hoare annotation was computed. [2020-07-20 16:23:51,800 INFO L268 CegarLoopResult]: For program point L336(lines 336 349) no Hoare annotation was computed. [2020-07-20 16:23:51,800 INFO L264 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= 0 ~systemActive~0) .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (< 1 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse0 .cse2 .cse4 .cse5 .cse6) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:51,800 INFO L268 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2020-07-20 16:23:51,800 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2020-07-20 16:23:51,800 INFO L268 CegarLoopResult]: For program point testEXIT(lines 296 361) no Hoare annotation was computed. [2020-07-20 16:23:51,800 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 866 911) no Hoare annotation was computed. [2020-07-20 16:23:51,800 INFO L268 CegarLoopResult]: For program point L886(lines 886 893) no Hoare annotation was computed. [2020-07-20 16:23:51,800 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 866 911) no Hoare annotation was computed. [2020-07-20 16:23:51,801 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 866 911) no Hoare annotation was computed. [2020-07-20 16:23:51,801 INFO L268 CegarLoopResult]: For program point L880(lines 880 900) no Hoare annotation was computed. [2020-07-20 16:23:51,801 INFO L268 CegarLoopResult]: For program point L880-1(lines 880 900) no Hoare annotation was computed. [2020-07-20 16:23:51,801 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 256 284) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))) [2020-07-20 16:23:51,801 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse4) (or .cse0 .cse2 .cse5 .cse4) (or (not (= 0 ~systemActive~0)) .cse3) (or .cse0 .cse2 .cse5 .cse3))) [2020-07-20 16:23:51,801 INFO L268 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-07-20 16:23:51,801 INFO L268 CegarLoopResult]: For program point L268(lines 268 278) no Hoare annotation was computed. [2020-07-20 16:23:51,802 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0) .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse0 .cse1 .cse3 (not (= 0 ~pumpRunning~0))))) [2020-07-20 16:23:51,802 INFO L268 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-07-20 16:23:51,802 INFO L268 CegarLoopResult]: For program point L264(lines 264 281) no Hoare annotation was computed. [2020-07-20 16:23:51,802 INFO L268 CegarLoopResult]: For program point L264-1(lines 256 284) no Hoare annotation was computed. [2020-07-20 16:23:51,802 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))) [2020-07-20 16:23:51,802 INFO L268 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-07-20 16:23:51,802 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 256 284) no Hoare annotation was computed. [2020-07-20 16:23:51,802 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-20 16:23:51,803 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-20 16:23:51,803 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-20 16:23:51,803 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-20 16:23:51,803 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-20 16:23:51,803 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 248 255) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:51,803 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 248 255) no Hoare annotation was computed. [2020-07-20 16:23:51,803 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 248 255) no Hoare annotation was computed. [2020-07-20 16:23:51,803 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 559 568) no Hoare annotation was computed. [2020-07-20 16:23:51,803 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 559 568) no Hoare annotation was computed. [2020-07-20 16:23:51,804 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 559 568) no Hoare annotation was computed. [2020-07-20 16:23:51,804 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 763 865) no Hoare annotation was computed. [2020-07-20 16:23:51,804 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-20 16:23:51,804 INFO L268 CegarLoopResult]: For program point L828-1(line 828) no Hoare annotation was computed. [2020-07-20 16:23:51,804 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-07-20 16:23:51,804 INFO L268 CegarLoopResult]: For program point L851(lines 851 862) no Hoare annotation was computed. [2020-07-20 16:23:51,804 INFO L268 CegarLoopResult]: For program point L814(lines 814 818) no Hoare annotation was computed. [2020-07-20 16:23:51,804 INFO L268 CegarLoopResult]: For program point L812-2(lines 812 832) no Hoare annotation was computed. [2020-07-20 16:23:51,804 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 763 865) no Hoare annotation was computed. [2020-07-20 16:23:51,804 INFO L268 CegarLoopResult]: For program point L833(lines 811 834) no Hoare annotation was computed. [2020-07-20 16:23:51,805 INFO L268 CegarLoopResult]: For program point L792(lines 792 808) no Hoare annotation was computed. [2020-07-20 16:23:51,805 INFO L268 CegarLoopResult]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-07-20 16:23:51,805 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 763 865) no Hoare annotation was computed. [2020-07-20 16:23:51,805 INFO L268 CegarLoopResult]: For program point L813(lines 812 832) no Hoare annotation was computed. [2020-07-20 16:23:51,805 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-20 16:23:51,805 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-07-20 16:23:51,805 INFO L268 CegarLoopResult]: For program point L809(lines 809 850) no Hoare annotation was computed. [2020-07-20 16:23:51,805 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:51,806 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 16:23:51,806 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:51,806 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 451 458) no Hoare annotation was computed. [2020-07-20 16:23:51,806 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 451 458) no Hoare annotation was computed. [2020-07-20 16:23:51,806 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 451 458) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3 .cse4) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4))) [2020-07-20 16:23:51,806 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-07-20 16:23:51,806 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-20 16:23:51,806 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-20 16:23:51,807 INFO L268 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-07-20 16:23:51,807 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2020-07-20 16:23:51,807 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2020-07-20 16:23:51,807 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2020-07-20 16:23:51,807 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-07-20 16:23:51,807 INFO L271 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: true [2020-07-20 16:23:51,807 INFO L268 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-07-20 16:23:51,807 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-20 16:23:51,808 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse4 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse8 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse5 .cse0 .cse7 .cse1 .cse8 .cse6) (or .cse5 .cse0 .cse7 .cse1 .cse8 .cse3))) [2020-07-20 16:23:51,808 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-20 16:23:51,808 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:51,808 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:23:51,808 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:51,808 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-20 16:23:51,808 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-20 16:23:51,808 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-20 16:23:51,809 INFO L264 CegarLoopResult]: At program point L381(line 381) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (<= 1 |old(~waterLevel~0)|))) (.cse12 (= 0 ~methAndRunningLastTime~0)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse15 (<= 1 ~waterLevel~0)) (.cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse16 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse13 (= 0 ~pumpRunning~0)) (.cse14 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (not (= 0 ~systemActive~0)) .cse7) (or .cse1 .cse3 .cse8 (and .cse9 (<= ~waterLevel~0 1) .cse10) .cse11) (or .cse0 .cse1 .cse9 .cse4 .cse7 .cse8) (or .cse0 .cse1 .cse3 .cse8 .cse5 .cse6) (or .cse1 .cse2 .cse4 .cse7 .cse11 (and .cse12 .cse9 .cse13 .cse14)) (or .cse1 .cse2 (and .cse12 .cse9 .cse10) .cse3 .cse4 .cse11) (or .cse1 .cse3 .cse8 .cse15 .cse11 .cse16) (or .cse1 .cse2 (and .cse15 .cse5 .cse10) .cse3 .cse11 .cse16) (or .cse1 (and (<= ~waterLevel~0 2) .cse13 .cse14) .cse4 .cse7 .cse8 .cse11))) [2020-07-20 16:23:51,809 INFO L264 CegarLoopResult]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse17 (= 0 ~pumpRunning~0))) (let ((.cse4 (and .cse1 .cse17 (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse15 (not (<= 1 |old(~waterLevel~0)|))) (.cse16 (<= 1 ~waterLevel~0)) (.cse18 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse13 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (<= ~waterLevel~0 1)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (= 0 ~systemActive~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse10 .cse7 .cse11) (or .cse3 .cse4 .cse6 .cse7 .cse12 .cse8 (and .cse0 .cse1 .cse2)) (or .cse9 .cse3 .cse5 .cse13 .cse6 .cse14 .cse15) (or .cse3 .cse5 .cse13 (and .cse16 .cse17 .cse14) .cse8 .cse18) (or .cse9 .cse3 .cse5 .cse13 .cse6 (and .cse1 .cse17)) (or .cse9 .cse3 .cse13 .cse12 .cse14 .cse15) (or .cse3 .cse13 .cse12 .cse16 .cse8 .cse18) (or .cse3 (and .cse1 .cse17 .cse11) .cse13 .cse12 (and .cse1 .cse11 .cse2) .cse8) (or .cse10 .cse7 .cse17)))) [2020-07-20 16:23:51,809 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (let ((.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (<= 1 ~pumpRunning~0))) (let ((.cse0 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse9 .cse8)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse6) (or (not (= 0 ~systemActive~0)) .cse7) (or .cse1 .cse4 .cse7 .cse5 .cse6) (or .cse1 .cse2 .cse4 .cse7 .cse6) (or .cse1 .cse2 (= 0 ~methAndRunningLastTime~0) .cse3 .cse4 .cse6) (or (and (<= ~waterLevel~0 2) .cse8 .cse9) .cse1 .cse2 .cse3 .cse6 (not (<= 2 |old(~waterLevel~0)|)))))) [2020-07-20 16:23:51,810 INFO L268 CegarLoopResult]: For program point L372(lines 371 390) no Hoare annotation was computed. [2020-07-20 16:23:51,810 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 368 391) the Hoare annotation is: (let ((.cse13 (<= ~waterLevel~0 2)) (.cse16 (<= 1 ~pumpRunning~0)) (.cse12 (= 0 ~methAndRunningLastTime~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= 0 ~pumpRunning~0)) (.cse15 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (and .cse12 .cse7 .cse14 .cse15)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (and .cse13 .cse16 .cse15)) (.cse3 (not (<= 1 ~systemActive~0))) (.cse11 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (<= ~waterLevel~0 1)) (or .cse0 .cse3 .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse3 .cse7 .cse8 .cse5) (or .cse3 .cse9 .cse8 .cse5 .cse10) (or .cse3 .cse11 .cse4 .cse2 .cse10 .cse6) (or (and .cse12 .cse13 .cse14 .cse15) .cse3 .cse4 .cse2 .cse5 .cse10) (or .cse0 .cse3 .cse11 .cse8 .cse4 (and .cse7 .cse16 .cse15)) (or .cse3 .cse11 .cse12 .cse8 .cse4 .cse10) (or .cse1 .cse2 .cse14) (or .cse12 .cse1 .cse4 .cse2) (or .cse9 .cse3 .cse11 .cse8 .cse10 (not (<= 2 |old(~waterLevel~0)|)))))) [2020-07-20 16:23:51,810 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 368 391) no Hoare annotation was computed. [2020-07-20 16:23:51,810 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 368 391) no Hoare annotation was computed. [2020-07-20 16:23:51,810 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2020-07-20 16:23:51,810 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-07-20 16:23:51,810 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2020-07-20 16:23:51,810 INFO L271 CegarLoopResult]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2020-07-20 16:23:51,811 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 16:23:51,811 INFO L271 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2020-07-20 16:23:51,811 INFO L271 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: true [2020-07-20 16:23:51,811 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-07-20 16:23:51,811 INFO L271 CegarLoopResult]: At program point L168(lines 143 172) the Hoare annotation is: true [2020-07-20 16:23:51,811 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-20 16:23:51,811 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse5 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse4))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 2) .cse4)) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse3 .cse5) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5)))) [2020-07-20 16:23:51,811 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-20 16:23:51,812 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-20 16:23:51,812 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2020-07-20 16:23:51,812 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2020-07-20 16:23:51,812 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:51,812 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:23:51,812 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:23:51,812 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:51,813 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 400 424) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1)) (<= 1 ~pumpRunning~0)) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2020-07-20 16:23:51,813 INFO L264 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse4) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse3 (not (<= ~waterLevel~0 1))))) [2020-07-20 16:23:51,813 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 400 424) no Hoare annotation was computed. [2020-07-20 16:23:51,813 INFO L264 CegarLoopResult]: At program point L410(line 410) the Hoare annotation is: (let ((.cse1 (and (< 1 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))))) [2020-07-20 16:23:51,813 INFO L268 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2020-07-20 16:23:51,813 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))))) [2020-07-20 16:23:51,813 INFO L268 CegarLoopResult]: For program point L406-1(line 406) no Hoare annotation was computed. [2020-07-20 16:23:51,814 INFO L268 CegarLoopResult]: For program point L404(lines 404 421) no Hoare annotation was computed. [2020-07-20 16:23:51,814 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~pumpRunning~0)) (or .cse0 .cse1 .cse2 .cse3))) [2020-07-20 16:23:51,814 INFO L268 CegarLoopResult]: For program point L419-1(lines 400 424) no Hoare annotation was computed. [2020-07-20 16:23:51,814 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-20 16:23:51,814 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-20 16:23:51,814 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse10)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (and (<= ~waterLevel~0 2) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse7 .cse4 .cse8) (or .cse6 .cse0 (not (= 0 ~systemActive~0)) (<= ~waterLevel~0 1) .cse4) (or .cse1 .cse2 .cse3 .cse9 (not (<= 2 |old(~waterLevel~0)|)) .cse5) (or .cse0 .cse1 .cse7 .cse3 .cse9 .cse5) (or .cse6 .cse0 .cse1 .cse7 .cse9 .cse8) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse8) (or .cse0 .cse1 .cse7 .cse3 .cse4 .cse5)))) [2020-07-20 16:23:51,814 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 286 293) no Hoare annotation was computed. [2020-07-20 16:23:51,815 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2020-07-20 16:23:51,815 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 286 293) the Hoare annotation is: true [2020-07-20 16:23:51,815 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 286 293) no Hoare annotation was computed. [2020-07-20 16:23:51,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:23:51 BoogieIcfgContainer [2020-07-20 16:23:51,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:23:51,836 INFO L168 Benchmark]: Toolchain (without parser) took 30207.00 ms. Allocated memory was 145.8 MB in the beginning and 542.1 MB in the end (delta: 396.4 MB). Free memory was 102.3 MB in the beginning and 481.3 MB in the end (delta: -379.0 MB). Peak memory consumption was 388.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:51,836 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 16:23:51,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.81 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 101.9 MB in the beginning and 171.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:51,838 INFO L168 Benchmark]: Boogie Preprocessor took 107.61 ms. Allocated memory is still 203.9 MB. Free memory was 171.6 MB in the beginning and 167.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:51,838 INFO L168 Benchmark]: RCFGBuilder took 1046.72 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 196.0 MB in the end (delta: -29.1 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:51,839 INFO L168 Benchmark]: TraceAbstraction took 28362.85 ms. Allocated memory was 236.5 MB in the beginning and 542.1 MB in the end (delta: 305.7 MB). Free memory was 196.0 MB in the beginning and 481.3 MB in the end (delta: -285.3 MB). Peak memory consumption was 391.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:51,841 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.81 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 101.9 MB in the beginning and 171.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.61 ms. Allocated memory is still 203.9 MB. Free memory was 171.6 MB in the beginning and 167.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1046.72 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 196.0 MB in the end (delta: -29.1 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28362.85 ms. Allocated memory was 236.5 MB in the beginning and 542.1 MB in the end (delta: 305.7 MB). Free memory was 196.0 MB in the beginning and 481.3 MB in the end (delta: -285.3 MB). Peak memory consumption was 391.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((((!(\old(waterLevel) <= 1) || (((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == methAndRunningLastTime && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((((1 < waterLevel && 1 <= methaneLevelCritical) && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.4s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2562 SDtfs, 1806 SDslu, 3969 SDs, 0 SdLazy, 1820 SolverSat, 858 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1804 GetRequests, 1726 SyntacticMatches, 16 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1476occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 1099 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 4184 PreInvPairs, 4341 NumberOfFragments, 3655 HoareAnnotationTreeSize, 4184 FomulaSimplifications, 12581 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 24857 FormulaSimplificationTreeSizeReductionInter, 10.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1643 NumberOfCodeBlocks, 1249 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1781 ConstructedInterpolants, 0 QuantifiedInterpolants, 395779 SizeOfPredicates, 37 NumberOfNonLiveVariables, 11155 ConjunctsInSsa, 142 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 421/432 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...