/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_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:23:20,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:23:20,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:23:20,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:23:20,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:23:20,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:23:20,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:23:20,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:23:20,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:23:20,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:23:20,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:23:20,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:23:20,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:23:20,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:23:20,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:23:20,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:23:20,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:23:20,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:23:20,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:23:20,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:23:20,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:23:20,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:23:20,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:23:20,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:23:20,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:23:20,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:23:20,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:23:20,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:23:20,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:23:20,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:23:20,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:23:20,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:23:20,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:23:20,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:23:20,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:23:20,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:23:20,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:23:20,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:23:20,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:23:20,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:23:20,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:23:20,639 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 16:23:20,653 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:23:20,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:23:20,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:23:20,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:23:20,655 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:23:20,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:23:20,656 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:23:20,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:23:20,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:23:20,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:23:20,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:23:20,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:23:20,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:23:20,657 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:23:20,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:23:20,658 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:23:20,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:23:20,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:23:20,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:23:20,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:23:20,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:23:20,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:23:20,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:23:20,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:23:20,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:23:20,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:23:20,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:20,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:23:20,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:23:20,661 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 16:23:20,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:23:20,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:23:20,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:23:20,957 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:23:20,958 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:23:20,958 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-07-20 16:23:21,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2463e2e8f/f25e76f619094921ba816a343d94c04b/FLAGd0eb0f4ee [2020-07-20 16:23:21,577 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:23:21,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-07-20 16:23:21,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2463e2e8f/f25e76f619094921ba816a343d94c04b/FLAGd0eb0f4ee [2020-07-20 16:23:21,853 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2463e2e8f/f25e76f619094921ba816a343d94c04b [2020-07-20 16:23:21,865 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:23:21,869 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:23:21,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:21,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:23:21,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:23:21,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:21" (1/1) ... [2020-07-20 16:23:21,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ad3b8b 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 16:23:21,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:21" (1/1) ... [2020-07-20 16:23:21,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:23:21,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:23:22,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:22,480 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:23:22,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:22,682 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:23:22,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:22 WrapperNode [2020-07-20 16:23:22,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:22,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:23:22,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:23:22,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:23:22,694 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 16:23:22,695 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 16:23:22,717 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 16:23:22,718 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 16:23:22,744 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 16:23:22,754 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 16:23:22,760 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 16:23:22,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:23:22,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:23:22,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:23:22,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:23:22,769 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 16:23:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:23:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:23:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:23:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:23:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:23:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:23:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:23:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:23:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:23:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:23:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:23:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:23:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:23:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:23:22,836 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:23:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:23:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:23:22,837 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:23:22,838 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:23:22,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:23:22,838 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:23:22,839 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:23:22,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:22,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:22,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:23:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:23:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:23:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:23:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:23:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:23:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:23:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:23:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:23:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:23:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:23:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:23:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:23:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:23:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:23:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:23:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:23:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:23:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:23:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:23:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:23:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:23:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:23:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:23:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:23:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:23:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:23:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:23:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:23:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:23:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:23:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:23:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:23:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:23:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:23:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:23:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:23:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:23:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:23:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:23:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:23:22,847 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:23:22,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:22,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:23:22,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:23:22,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:23:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:23:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:23:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:23:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:23:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:23:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:23:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:23:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:23:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:23:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:23:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:23:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:23:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:23:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:23:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:23:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:23:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:23:24,001 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:23:24,001 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:23:24,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:24 BoogieIcfgContainer [2020-07-20 16:23:24,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:23:24,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:23:24,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:23:24,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:23:24,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:23:21" (1/3) ... [2020-07-20 16:23:24,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671d9e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:24, skipping insertion in model container [2020-07-20 16:23:24,016 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 16:23:24,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671d9e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:24, skipping insertion in model container [2020-07-20 16:23:24,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:24" (3/3) ... [2020-07-20 16:23:24,020 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-07-20 16:23:24,030 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:23:24,039 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:23:24,054 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:23:24,087 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:23:24,087 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:23:24,087 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:23:24,088 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:23:24,088 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:23:24,089 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:23:24,089 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:23:24,090 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:23:24,116 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-20 16:23:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:23:24,126 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:24,127 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 16:23:24,127 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:24,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:24,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1292486909, now seen corresponding path program 1 times [2020-07-20 16:23:24,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:24,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553579173] [2020-07-20 16:23:24,139 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 16:23:24,684 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:24,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:24,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:23:24,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:24,734 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 16:23:24,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:24,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553579173] [2020-07-20 16:23:24,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:24,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:23:24,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724402112] [2020-07-20 16:23:24,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:23:24,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:24,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:23:24,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:24,761 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2020-07-20 16:23:24,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:24,810 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2020-07-20 16:23:24,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:23:24,811 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 16:23:24,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:24,825 INFO L225 Difference]: With dead ends: 272 [2020-07-20 16:23:24,825 INFO L226 Difference]: Without dead ends: 138 [2020-07-20 16:23:24,830 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 16:23:24,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-20 16:23:24,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-20 16:23:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-20 16:23:24,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2020-07-20 16:23:24,895 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 51 [2020-07-20 16:23:24,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:24,895 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2020-07-20 16:23:24,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:23:24,896 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2020-07-20 16:23:24,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:23:24,904 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:24,905 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 16:23:25,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:25,118 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:25,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:25,119 INFO L82 PathProgramCache]: Analyzing trace with hash -11798802, now seen corresponding path program 1 times [2020-07-20 16:23:25,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:25,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665476055] [2020-07-20 16:23:25,121 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 16:23:25,597 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:25,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:25,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:23:25,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:25,644 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 16:23:25,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:25,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665476055] [2020-07-20 16:23:25,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:25,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:25,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165961723] [2020-07-20 16:23:25,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:25,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:25,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:25,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:25,649 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 3 states. [2020-07-20 16:23:25,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:25,672 INFO L93 Difference]: Finished difference Result 211 states and 249 transitions. [2020-07-20 16:23:25,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:25,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:23:25,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:25,678 INFO L225 Difference]: With dead ends: 211 [2020-07-20 16:23:25,679 INFO L226 Difference]: Without dead ends: 129 [2020-07-20 16:23:25,680 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 16:23:25,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-20 16:23:25,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-20 16:23:25,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-20 16:23:25,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2020-07-20 16:23:25,698 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 52 [2020-07-20 16:23:25,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:25,698 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2020-07-20 16:23:25,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:25,699 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2020-07-20 16:23:25,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 16:23:25,701 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:25,702 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] [2020-07-20 16:23:25,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:25,916 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:25,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:25,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1490469892, now seen corresponding path program 1 times [2020-07-20 16:23:25,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:25,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1061422041] [2020-07-20 16:23:25,917 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 16:23:26,375 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:26,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:26,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:23:26,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:26,415 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 16:23:26,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:26,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1061422041] [2020-07-20 16:23:26,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:26,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:26,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744565585] [2020-07-20 16:23:26,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:26,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:26,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:26,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:26,419 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 3 states. [2020-07-20 16:23:26,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:26,472 INFO L93 Difference]: Finished difference Result 327 states and 396 transitions. [2020-07-20 16:23:26,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:26,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-20 16:23:26,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:26,477 INFO L225 Difference]: With dead ends: 327 [2020-07-20 16:23:26,477 INFO L226 Difference]: Without dead ends: 226 [2020-07-20 16:23:26,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 16:23:26,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-20 16:23:26,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 220. [2020-07-20 16:23:26,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-20 16:23:26,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 265 transitions. [2020-07-20 16:23:26,515 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 265 transitions. Word has length 57 [2020-07-20 16:23:26,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:26,515 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 265 transitions. [2020-07-20 16:23:26,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:26,516 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 265 transitions. [2020-07-20 16:23:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 16:23:26,519 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:26,519 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 16:23:26,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:26,734 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:26,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:26,735 INFO L82 PathProgramCache]: Analyzing trace with hash -512554003, now seen corresponding path program 1 times [2020-07-20 16:23:26,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:26,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292158023] [2020-07-20 16:23:26,737 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 16:23:27,316 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:27,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:27,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:27,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:27,367 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 16:23:27,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:27,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292158023] [2020-07-20 16:23:27,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:27,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:27,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559452994] [2020-07-20 16:23:27,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:27,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:27,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:27,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:27,369 INFO L87 Difference]: Start difference. First operand 220 states and 265 transitions. Second operand 6 states. [2020-07-20 16:23:27,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:27,624 INFO L93 Difference]: Finished difference Result 526 states and 665 transitions. [2020-07-20 16:23:27,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:23:27,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-20 16:23:27,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:27,629 INFO L225 Difference]: With dead ends: 526 [2020-07-20 16:23:27,630 INFO L226 Difference]: Without dead ends: 334 [2020-07-20 16:23:27,631 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 16:23:27,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-07-20 16:23:27,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 324. [2020-07-20 16:23:27,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-07-20 16:23:27,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 393 transitions. [2020-07-20 16:23:27,665 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 393 transitions. Word has length 62 [2020-07-20 16:23:27,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:27,666 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 393 transitions. [2020-07-20 16:23:27,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:27,666 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 393 transitions. [2020-07-20 16:23:27,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-20 16:23:27,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:27,670 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, 1] [2020-07-20 16:23:27,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:27,885 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:27,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:27,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1737926205, now seen corresponding path program 1 times [2020-07-20 16:23:27,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:27,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1106769676] [2020-07-20 16:23:27,887 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 16:23:28,078 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:23:28,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:28,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:23:28,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:28,117 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 16:23:28,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:28,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1106769676] [2020-07-20 16:23:28,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:28,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:23:28,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419042858] [2020-07-20 16:23:28,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:23:28,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:28,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:23:28,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:28,120 INFO L87 Difference]: Start difference. First operand 324 states and 393 transitions. Second operand 5 states. [2020-07-20 16:23:28,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:28,148 INFO L93 Difference]: Finished difference Result 634 states and 800 transitions. [2020-07-20 16:23:28,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:23:28,148 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-07-20 16:23:28,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:28,151 INFO L225 Difference]: With dead ends: 634 [2020-07-20 16:23:28,151 INFO L226 Difference]: Without dead ends: 338 [2020-07-20 16:23:28,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 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 16:23:28,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-07-20 16:23:28,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 332. [2020-07-20 16:23:28,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-07-20 16:23:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 401 transitions. [2020-07-20 16:23:28,214 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 401 transitions. Word has length 85 [2020-07-20 16:23:28,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:28,216 INFO L479 AbstractCegarLoop]: Abstraction has 332 states and 401 transitions. [2020-07-20 16:23:28,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:23:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 401 transitions. [2020-07-20 16:23:28,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-20 16:23:28,219 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:28,220 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, 1] [2020-07-20 16:23:28,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:28,435 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:28,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:28,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1036326331, now seen corresponding path program 1 times [2020-07-20 16:23:28,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:28,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2586481] [2020-07-20 16:23:28,436 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 16:23:28,782 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:28,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:28,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:23:28,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:28,820 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 16:23:28,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:28,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2586481] [2020-07-20 16:23:28,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:28,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:28,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755579067] [2020-07-20 16:23:28,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:28,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:28,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:28,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:28,822 INFO L87 Difference]: Start difference. First operand 332 states and 401 transitions. Second operand 3 states. [2020-07-20 16:23:28,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:28,876 INFO L93 Difference]: Finished difference Result 916 states and 1191 transitions. [2020-07-20 16:23:28,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:28,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-07-20 16:23:28,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:28,886 INFO L225 Difference]: With dead ends: 916 [2020-07-20 16:23:28,886 INFO L226 Difference]: Without dead ends: 612 [2020-07-20 16:23:28,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 82 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 16:23:28,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2020-07-20 16:23:28,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 609. [2020-07-20 16:23:28,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-07-20 16:23:28,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 774 transitions. [2020-07-20 16:23:28,949 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 774 transitions. Word has length 85 [2020-07-20 16:23:28,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:28,950 INFO L479 AbstractCegarLoop]: Abstraction has 609 states and 774 transitions. [2020-07-20 16:23:28,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:28,951 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 774 transitions. [2020-07-20 16:23:28,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-20 16:23:28,954 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:28,954 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, 1] [2020-07-20 16:23:29,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:29,170 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:29,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:29,171 INFO L82 PathProgramCache]: Analyzing trace with hash 831560194, now seen corresponding path program 1 times [2020-07-20 16:23:29,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:29,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119634496] [2020-07-20 16:23:29,172 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 16:23:29,555 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:29,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:29,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:29,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:29,600 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 16:23:29,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:29,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [119634496] [2020-07-20 16:23:29,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:29,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:29,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856405153] [2020-07-20 16:23:29,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:29,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:29,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:29,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:29,603 INFO L87 Difference]: Start difference. First operand 609 states and 774 transitions. Second operand 6 states. [2020-07-20 16:23:29,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:29,679 INFO L93 Difference]: Finished difference Result 1200 states and 1558 transitions. [2020-07-20 16:23:29,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:29,683 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2020-07-20 16:23:29,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:29,688 INFO L225 Difference]: With dead ends: 1200 [2020-07-20 16:23:29,688 INFO L226 Difference]: Without dead ends: 619 [2020-07-20 16:23:29,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 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 16:23:29,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-07-20 16:23:29,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2020-07-20 16:23:29,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2020-07-20 16:23:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 786 transitions. [2020-07-20 16:23:29,754 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 786 transitions. Word has length 85 [2020-07-20 16:23:29,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:29,755 INFO L479 AbstractCegarLoop]: Abstraction has 619 states and 786 transitions. [2020-07-20 16:23:29,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:29,755 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 786 transitions. [2020-07-20 16:23:29,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 16:23:29,764 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:29,765 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, 1, 1, 1, 1, 1] [2020-07-20 16:23:29,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:29,978 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:29,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:29,979 INFO L82 PathProgramCache]: Analyzing trace with hash -340019350, now seen corresponding path program 1 times [2020-07-20 16:23:29,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:29,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [582477469] [2020-07-20 16:23:29,980 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 16:23:30,156 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:23:30,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:30,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:23:30,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:30,210 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 16:23:30,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:30,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [582477469] [2020-07-20 16:23:30,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:30,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:23:30,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588851429] [2020-07-20 16:23:30,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:23:30,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:30,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:23:30,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:30,214 INFO L87 Difference]: Start difference. First operand 619 states and 786 transitions. Second operand 5 states. [2020-07-20 16:23:30,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:30,250 INFO L93 Difference]: Finished difference Result 1192 states and 1558 transitions. [2020-07-20 16:23:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:23:30,250 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-07-20 16:23:30,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:30,256 INFO L225 Difference]: With dead ends: 1192 [2020-07-20 16:23:30,256 INFO L226 Difference]: Without dead ends: 601 [2020-07-20 16:23:30,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 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 16:23:30,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-07-20 16:23:30,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2020-07-20 16:23:30,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-07-20 16:23:30,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 746 transitions. [2020-07-20 16:23:30,289 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 746 transitions. Word has length 89 [2020-07-20 16:23:30,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:30,289 INFO L479 AbstractCegarLoop]: Abstraction has 601 states and 746 transitions. [2020-07-20 16:23:30,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:23:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 746 transitions. [2020-07-20 16:23:30,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 16:23:30,294 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:30,294 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, 1, 1, 1, 1, 1] [2020-07-20 16:23:30,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:30,508 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:30,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:30,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1385461547, now seen corresponding path program 1 times [2020-07-20 16:23:30,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:30,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875325568] [2020-07-20 16:23:30,509 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 16:23:30,791 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:30,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:30,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:23:30,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:30,825 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 16:23:30,826 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:30,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875325568] [2020-07-20 16:23:30,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:30,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:30,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980694876] [2020-07-20 16:23:30,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:30,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:30,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:30,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:30,828 INFO L87 Difference]: Start difference. First operand 601 states and 746 transitions. Second operand 3 states. [2020-07-20 16:23:30,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:30,881 INFO L93 Difference]: Finished difference Result 1078 states and 1369 transitions. [2020-07-20 16:23:30,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:30,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-07-20 16:23:30,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:30,910 INFO L225 Difference]: With dead ends: 1078 [2020-07-20 16:23:30,910 INFO L226 Difference]: Without dead ends: 1075 [2020-07-20 16:23:30,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 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 16:23:30,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2020-07-20 16:23:30,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1019. [2020-07-20 16:23:30,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2020-07-20 16:23:30,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1299 transitions. [2020-07-20 16:23:30,965 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1299 transitions. Word has length 89 [2020-07-20 16:23:30,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:30,965 INFO L479 AbstractCegarLoop]: Abstraction has 1019 states and 1299 transitions. [2020-07-20 16:23:30,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:30,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1299 transitions. [2020-07-20 16:23:30,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-20 16:23:30,970 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:30,971 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:23:31,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:31,187 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:31,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:31,187 INFO L82 PathProgramCache]: Analyzing trace with hash 466519058, now seen corresponding path program 1 times [2020-07-20 16:23:31,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:31,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005348725] [2020-07-20 16:23:31,188 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 16:23:31,497 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:31,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:31,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:23:31,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 16:23:31,528 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:31,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005348725] [2020-07-20 16:23:31,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:31,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:31,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598702241] [2020-07-20 16:23:31,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:31,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:31,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:31,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:31,530 INFO L87 Difference]: Start difference. First operand 1019 states and 1299 transitions. Second operand 3 states. [2020-07-20 16:23:31,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:31,636 INFO L93 Difference]: Finished difference Result 1624 states and 2070 transitions. [2020-07-20 16:23:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:31,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-07-20 16:23:31,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:31,641 INFO L225 Difference]: With dead ends: 1624 [2020-07-20 16:23:31,641 INFO L226 Difference]: Without dead ends: 633 [2020-07-20 16:23:31,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 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 16:23:31,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-07-20 16:23:31,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 617. [2020-07-20 16:23:31,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-07-20 16:23:31,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 763 transitions. [2020-07-20 16:23:31,676 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 763 transitions. Word has length 129 [2020-07-20 16:23:31,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:31,677 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 763 transitions. [2020-07-20 16:23:31,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 763 transitions. [2020-07-20 16:23:31,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-20 16:23:31,680 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:31,680 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:23:31,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:31,894 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:31,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:31,895 INFO L82 PathProgramCache]: Analyzing trace with hash -607428345, now seen corresponding path program 1 times [2020-07-20 16:23:31,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:31,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579901530] [2020-07-20 16:23:31,896 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 16:23:32,199 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:32,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:32,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 16:23:32,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 16:23:32,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:32,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579901530] [2020-07-20 16:23:32,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:32,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:32,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870489536] [2020-07-20 16:23:32,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:32,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:32,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:32,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:32,301 INFO L87 Difference]: Start difference. First operand 617 states and 763 transitions. Second operand 6 states. [2020-07-20 16:23:32,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:32,727 INFO L93 Difference]: Finished difference Result 1710 states and 2177 transitions. [2020-07-20 16:23:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:32,728 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2020-07-20 16:23:32,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:32,735 INFO L225 Difference]: With dead ends: 1710 [2020-07-20 16:23:32,735 INFO L226 Difference]: Without dead ends: 1121 [2020-07-20 16:23:32,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 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 16:23:32,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2020-07-20 16:23:32,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1117. [2020-07-20 16:23:32,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1117 states. [2020-07-20 16:23:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1381 transitions. [2020-07-20 16:23:32,814 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1381 transitions. Word has length 148 [2020-07-20 16:23:32,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:32,814 INFO L479 AbstractCegarLoop]: Abstraction has 1117 states and 1381 transitions. [2020-07-20 16:23:32,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:32,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1381 transitions. [2020-07-20 16:23:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-20 16:23:32,820 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:32,820 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, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:33,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:33,035 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:33,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:33,036 INFO L82 PathProgramCache]: Analyzing trace with hash 688265763, now seen corresponding path program 1 times [2020-07-20 16:23:33,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:33,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [829440685] [2020-07-20 16:23:33,037 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 16:23:33,484 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:33,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:33,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:23:33,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 16:23:33,592 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:33,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [829440685] [2020-07-20 16:23:33,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:33,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 16:23:33,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686794566] [2020-07-20 16:23:33,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 16:23:33,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:33,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 16:23:33,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:33,596 INFO L87 Difference]: Start difference. First operand 1117 states and 1381 transitions. Second operand 8 states. [2020-07-20 16:23:34,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:34,235 INFO L93 Difference]: Finished difference Result 2080 states and 2579 transitions. [2020-07-20 16:23:34,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 16:23:34,236 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-07-20 16:23:34,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:34,242 INFO L225 Difference]: With dead ends: 2080 [2020-07-20 16:23:34,242 INFO L226 Difference]: Without dead ends: 991 [2020-07-20 16:23:34,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 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 16:23:34,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2020-07-20 16:23:34,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2020-07-20 16:23:34,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2020-07-20 16:23:34,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1185 transitions. [2020-07-20 16:23:34,293 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1185 transitions. Word has length 152 [2020-07-20 16:23:34,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:34,294 INFO L479 AbstractCegarLoop]: Abstraction has 991 states and 1185 transitions. [2020-07-20 16:23:34,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 16:23:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1185 transitions. [2020-07-20 16:23:34,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-20 16:23:34,298 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:34,299 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, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:34,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:34,514 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:34,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:34,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1034293868, now seen corresponding path program 1 times [2020-07-20 16:23:34,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:34,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815794587] [2020-07-20 16:23:34,515 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 16:23:34,949 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:34,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:34,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-20 16:23:34,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 16:23:35,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:23:35,293 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:23:35,321 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:23:35,458 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-20 16:23:35,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815794587] [2020-07-20 16:23:35,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:23:35,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 12 [2020-07-20 16:23:35,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810807740] [2020-07-20 16:23:35,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 16:23:35,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:35,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 16:23:35,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-07-20 16:23:35,462 INFO L87 Difference]: Start difference. First operand 991 states and 1185 transitions. Second operand 12 states. [2020-07-20 16:23:36,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:36,947 INFO L93 Difference]: Finished difference Result 3028 states and 4246 transitions. [2020-07-20 16:23:36,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 16:23:36,948 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 156 [2020-07-20 16:23:36,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:36,975 INFO L225 Difference]: With dead ends: 3028 [2020-07-20 16:23:36,975 INFO L226 Difference]: Without dead ends: 2065 [2020-07-20 16:23:36,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 290 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 16:23:36,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2065 states. [2020-07-20 16:23:37,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2065 to 1335. [2020-07-20 16:23:37,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1335 states. [2020-07-20 16:23:37,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1590 transitions. [2020-07-20 16:23:37,101 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1590 transitions. Word has length 156 [2020-07-20 16:23:37,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:37,101 INFO L479 AbstractCegarLoop]: Abstraction has 1335 states and 1590 transitions. [2020-07-20 16:23:37,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 16:23:37,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1590 transitions. [2020-07-20 16:23:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-20 16:23:37,107 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:37,107 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, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:37,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:37,321 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:37,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:37,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1229107054, now seen corresponding path program 1 times [2020-07-20 16:23:37,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:37,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376258841] [2020-07-20 16:23:37,322 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 16:23:37,654 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:37,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:37,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 16:23:37,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:37,684 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:37,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:37,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376258841] [2020-07-20 16:23:37,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:37,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:37,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070813028] [2020-07-20 16:23:37,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:37,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:37,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:37,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:37,687 INFO L87 Difference]: Start difference. First operand 1335 states and 1590 transitions. Second operand 3 states. [2020-07-20 16:23:37,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:37,814 INFO L93 Difference]: Finished difference Result 2504 states and 3030 transitions. [2020-07-20 16:23:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:37,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-20 16:23:37,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:37,815 INFO L225 Difference]: With dead ends: 2504 [2020-07-20 16:23:37,815 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:23:37,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 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 16:23:37,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:23:37,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:23:37,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:23:37,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:23:37,823 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2020-07-20 16:23:37,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:37,824 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:23:37,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:37,824 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:23:37,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:23:38,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:38,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:23:40,038 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32 [2020-07-20 16:23:40,195 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2020-07-20 16:23:40,430 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2020-07-20 16:23:41,539 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2020-07-20 16:23:41,784 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 35 [2020-07-20 16:23:41,994 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2020-07-20 16:23:42,187 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 29 [2020-07-20 16:23:42,508 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-07-20 16:23:43,542 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 62 [2020-07-20 16:23:43,927 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-07-20 16:23:44,299 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-07-20 16:23:44,552 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2020-07-20 16:23:45,009 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-07-20 16:23:45,130 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2020-07-20 16:23:45,363 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-07-20 16:23:45,532 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2020-07-20 16:23:46,153 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 51 [2020-07-20 16:23:46,957 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2020-07-20 16:23:47,280 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2020-07-20 16:23:47,606 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-07-20 16:23:47,795 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2020-07-20 16:23:47,992 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2020-07-20 16:23:48,347 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-07-20 16:23:48,670 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-07-20 16:23:48,796 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2020-07-20 16:23:49,022 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2020-07-20 16:23:49,493 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 40 [2020-07-20 16:23:49,696 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 29 [2020-07-20 16:23:49,913 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2020-07-20 16:23:49,918 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-07-20 16:23:49,918 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2020-07-20 16:23:49,918 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-20 16:23:49,918 INFO L268 CegarLoopResult]: For program point L536-2(lines 536 557) no Hoare annotation was computed. [2020-07-20 16:23:49,919 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 511 566) no Hoare annotation was computed. [2020-07-20 16:23:49,919 INFO L268 CegarLoopResult]: For program point L558(lines 535 559) no Hoare annotation was computed. [2020-07-20 16:23:49,919 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 511 566) no Hoare annotation was computed. [2020-07-20 16:23:49,919 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 511 566) no Hoare annotation was computed. [2020-07-20 16:23:49,919 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-07-20 16:23:49,920 INFO L268 CegarLoopResult]: For program point L599-1(lines 599 603) no Hoare annotation was computed. [2020-07-20 16:23:49,920 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 567 626) no Hoare annotation was computed. [2020-07-20 16:23:49,920 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-07-20 16:23:49,920 INFO L268 CegarLoopResult]: For program point L593-2(lines 593 618) no Hoare annotation was computed. [2020-07-20 16:23:49,920 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 567 626) no Hoare annotation was computed. [2020-07-20 16:23:49,921 INFO L268 CegarLoopResult]: For program point L619(lines 592 620) no Hoare annotation was computed. [2020-07-20 16:23:49,921 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 567 626) no Hoare annotation was computed. [2020-07-20 16:23:49,921 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-07-20 16:23:49,921 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-07-20 16:23:49,921 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 952 958) the Hoare annotation is: true [2020-07-20 16:23:49,922 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 952 958) no Hoare annotation was computed. [2020-07-20 16:23:49,922 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 959 967) no Hoare annotation was computed. [2020-07-20 16:23:49,922 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 959 967) the Hoare annotation is: true [2020-07-20 16:23:49,922 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 959 967) no Hoare annotation was computed. [2020-07-20 16:23:49,922 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 910 932) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:49,922 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:49,923 INFO L264 CegarLoopResult]: At program point L922-1(line 922) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:49,923 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 910 932) no Hoare annotation was computed. [2020-07-20 16:23:49,923 INFO L268 CegarLoopResult]: For program point L920(lines 920 927) no Hoare annotation was computed. [2020-07-20 16:23:49,923 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 927) no Hoare annotation was computed. [2020-07-20 16:23:49,923 INFO L268 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-07-20 16:23:49,923 INFO L264 CegarLoopResult]: At program point L917(line 917) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:49,923 INFO L264 CegarLoopResult]: At program point L916(line 916) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:49,924 INFO L264 CegarLoopResult]: At program point L916-1(line 916) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:49,924 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 910 932) no Hoare annotation was computed. [2020-07-20 16:23:49,924 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 865 888) no Hoare annotation was computed. [2020-07-20 16:23:49,924 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 865 888) no Hoare annotation was computed. [2020-07-20 16:23:49,924 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 865 888) no Hoare annotation was computed. [2020-07-20 16:23:49,924 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-07-20 16:23:49,924 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-20 16:23:49,925 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-07-20 16:23:49,925 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-07-20 16:23:49,925 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-07-20 16:23:49,925 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-07-20 16:23:49,925 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-07-20 16:23:49,925 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-07-20 16:23:49,925 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-07-20 16:23:49,925 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-07-20 16:23:49,925 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-07-20 16:23:49,926 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-07-20 16:23:49,926 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-07-20 16:23:49,926 INFO L268 CegarLoopResult]: For program point L870(line 870) no Hoare annotation was computed. [2020-07-20 16:23:49,926 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 435 449) no Hoare annotation was computed. [2020-07-20 16:23:49,926 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse8 (not (< 1 ~waterLevel~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (and (<= 1 ~systemActive~0) (<= 1 ~pumpRunning~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse6 .cse7) (or .cse2 .cse3 .cse4 .cse7 .cse8 .cse5) (or .cse0 .cse1 .cse3 .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse8 .cse5) (or .cse0 .cse4 .cse2 .cse7 (not (<= ~waterLevel~0 1)) .cse5))) [2020-07-20 16:23:49,926 INFO L268 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2020-07-20 16:23:49,927 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 435 449) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse7 (not (< 1 ~waterLevel~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (and (<= 1 ~systemActive~0) (<= 1 ~pumpRunning~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 .cse4 .cse6 .cse7 .cse5) (or .cse0 .cse3 .cse8 .cse6 .cse9) (or .cse0 .cse1 .cse3 .cse8 .cse9) (or .cse1 .cse2 .cse3 .cse4 .cse7 .cse5) (or .cse0 .cse4 .cse2 .cse6 (not (<= ~waterLevel~0 1)) .cse5))) [2020-07-20 16:23:49,927 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 435 449) no Hoare annotation was computed. [2020-07-20 16:23:49,927 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2020-07-20 16:23:49,927 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 371 379) the Hoare annotation is: true [2020-07-20 16:23:49,927 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 371 379) no Hoare annotation was computed. [2020-07-20 16:23:49,927 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2020-07-20 16:23:49,927 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 16:23:49,927 INFO L268 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2020-07-20 16:23:49,927 INFO L268 CegarLoopResult]: For program point L399(lines 399 407) no Hoare annotation was computed. [2020-07-20 16:23:49,928 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 380 415) no Hoare annotation was computed. [2020-07-20 16:23:49,928 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 407) no Hoare annotation was computed. [2020-07-20 16:23:49,928 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 380 415) no Hoare annotation was computed. [2020-07-20 16:23:49,928 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-07-20 16:23:49,928 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 380 415) no Hoare annotation was computed. [2020-07-20 16:23:49,928 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 945 951) no Hoare annotation was computed. [2020-07-20 16:23:49,928 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 945 951) the Hoare annotation is: true [2020-07-20 16:23:49,928 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 465 510) no Hoare annotation was computed. [2020-07-20 16:23:49,928 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 465 510) no Hoare annotation was computed. [2020-07-20 16:23:49,929 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 465 510) no Hoare annotation was computed. [2020-07-20 16:23:49,929 INFO L268 CegarLoopResult]: For program point L798(lines 798 805) no Hoare annotation was computed. [2020-07-20 16:23:49,929 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 778 823) no Hoare annotation was computed. [2020-07-20 16:23:49,929 INFO L268 CegarLoopResult]: For program point L792(lines 792 812) no Hoare annotation was computed. [2020-07-20 16:23:49,929 INFO L268 CegarLoopResult]: For program point L792-1(lines 792 812) no Hoare annotation was computed. [2020-07-20 16:23:49,929 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 778 823) no Hoare annotation was computed. [2020-07-20 16:23:49,929 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 778 823) no Hoare annotation was computed. [2020-07-20 16:23:49,929 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 896 906) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:49,929 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 896 906) no Hoare annotation was computed. [2020-07-20 16:23:49,930 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 896 906) no Hoare annotation was computed. [2020-07-20 16:23:49,930 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:49,930 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 360 370) the Hoare annotation is: true [2020-07-20 16:23:49,930 INFO L271 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: true [2020-07-20 16:23:49,930 INFO L268 CegarLoopResult]: For program point L365-1(line 365) no Hoare annotation was computed. [2020-07-20 16:23:49,930 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 360 370) no Hoare annotation was computed. [2020-07-20 16:23:49,930 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 360 370) no Hoare annotation was computed. [2020-07-20 16:23:49,930 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 352 359) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-20 16:23:49,931 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2020-07-20 16:23:49,931 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2020-07-20 16:23:49,931 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-07-20 16:23:49,931 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 167 180) no Hoare annotation was computed. [2020-07-20 16:23:49,932 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 167 180) the Hoare annotation is: true [2020-07-20 16:23:49,933 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 167 180) no Hoare annotation was computed. [2020-07-20 16:23:49,933 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 319 343) no Hoare annotation was computed. [2020-07-20 16:23:49,933 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 319 343) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse9 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (or .cse1 .cse7 .cse4 .cse8 .cse9) (or .cse1 .cse6 .cse7 .cse8 .cse9))) [2020-07-20 16:23:49,933 INFO L264 CegarLoopResult]: At program point L338(line 338) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (or .cse1 .cse7 .cse4 .cse8) (or .cse1 .cse6 .cse7 .cse8))) [2020-07-20 16:23:49,933 INFO L268 CegarLoopResult]: For program point L338-1(lines 319 343) no Hoare annotation was computed. [2020-07-20 16:23:49,933 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse1 .cse6 .cse4 .cse7 (<= 1 ~pumpRunning~0)) (or .cse1 .cse5 .cse6 .cse7))) [2020-07-20 16:23:49,934 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (<= 1 ~pumpRunning~0)) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse1 .cse6 .cse4 .cse7 .cse8) (or .cse1 .cse5 .cse6 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3) .cse8) .cse7))) [2020-07-20 16:23:49,934 INFO L268 CegarLoopResult]: For program point L327(lines 327 335) no Hoare annotation was computed. [2020-07-20 16:23:49,934 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse8 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse1 .cse6 .cse4 .cse7 .cse8) (or .cse1 .cse5 .cse6 .cse7 .cse8))) [2020-07-20 16:23:49,934 INFO L268 CegarLoopResult]: For program point L325-1(line 325) no Hoare annotation was computed. [2020-07-20 16:23:49,934 INFO L268 CegarLoopResult]: For program point L323(lines 323 340) no Hoare annotation was computed. [2020-07-20 16:23:49,934 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 285 291) no Hoare annotation was computed. [2020-07-20 16:23:49,934 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 285 291) the Hoare annotation is: true [2020-07-20 16:23:49,935 INFO L264 CegarLoopResult]: At program point testENTRY(lines 186 253) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:49,935 INFO L268 CegarLoopResult]: For program point testFINAL(lines 186 253) no Hoare annotation was computed. [2020-07-20 16:23:49,935 INFO L264 CegarLoopResult]: At program point L246(lines 195 247) 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(~systemActive~0)|))) [2020-07-20 16:23:49,935 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse6 (< 1 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~systemActive~0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (and .cse5 .cse6 .cse2 .cse4 .cse7 .cse8) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse1 .cse2 .cse4 .cse7 .cse8) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse4 .cse7 .cse8) (and .cse5 .cse0 .cse2 .cse4 .cse7 .cse8) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4))) [2020-07-20 16:23:49,935 INFO L268 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-07-20 16:23:49,936 INFO L264 CegarLoopResult]: At program point L234-1(lines 226 241) the Hoare annotation is: (let ((.cse7 (< 1 ~waterLevel~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse9 (= 0 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0)) (.cse8 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (and .cse6 .cse7 .cse2 .cse4 .cse5 .cse8) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse1 .cse2 .cse4 .cse5 .cse8) (and .cse6 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse4 .cse5 .cse8) (not (<= |old(~waterLevel~0)| 1)) (and .cse6 .cse9 .cse2 .cse3 .cse4) (and .cse1 .cse9 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse4 .cse5 .cse8) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:49,936 INFO L268 CegarLoopResult]: For program point L197(lines 196 245) no Hoare annotation was computed. [2020-07-20 16:23:49,936 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (let ((.cse6 (<= ~waterLevel~0 1)) (.cse8 (< 1 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse4 .cse7) (and .cse5 .cse8 .cse2 .cse4 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse6 .cse4 .cse7) (and .cse8 .cse1 .cse2 .cse4 .cse7) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4))) [2020-07-20 16:23:49,936 INFO L268 CegarLoopResult]: For program point L226(lines 226 241) no Hoare annotation was computed. [2020-07-20 16:23:49,936 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse6 .cse2 .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 .cse7) (and .cse8 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse8 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse8 .cse0 .cse2 .cse4 .cse5 .cse7) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:49,936 INFO L268 CegarLoopResult]: For program point L216(lines 216 222) no Hoare annotation was computed. [2020-07-20 16:23:49,936 INFO L268 CegarLoopResult]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2020-07-20 16:23:49,937 INFO L264 CegarLoopResult]: At program point L243(lines 196 245) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse6 .cse2 .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 .cse7) (and .cse8 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse8 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse8 .cse0 .cse2 .cse4 .cse5 .cse7) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:49,937 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse6 .cse2 .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 .cse7) (and .cse8 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse8 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse8 .cse0 .cse2 .cse4 .cse5 .cse7) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:49,937 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-20 16:23:49,937 INFO L268 CegarLoopResult]: For program point L206-1(lines 206 212) no Hoare annotation was computed. [2020-07-20 16:23:49,937 INFO L268 CegarLoopResult]: For program point L198(lines 198 202) no Hoare annotation was computed. [2020-07-20 16:23:49,937 INFO L268 CegarLoopResult]: For program point testEXIT(lines 186 253) no Hoare annotation was computed. [2020-07-20 16:23:49,937 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 732 777) no Hoare annotation was computed. [2020-07-20 16:23:49,937 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 732 777) no Hoare annotation was computed. [2020-07-20 16:23:49,938 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 732 777) no Hoare annotation was computed. [2020-07-20 16:23:49,938 INFO L268 CegarLoopResult]: For program point L752(lines 752 759) no Hoare annotation was computed. [2020-07-20 16:23:49,938 INFO L268 CegarLoopResult]: For program point L746(lines 746 766) no Hoare annotation was computed. [2020-07-20 16:23:49,938 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 766) no Hoare annotation was computed. [2020-07-20 16:23:49,938 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-20 16:23:49,938 INFO L268 CegarLoopResult]: For program point L64(lines 64 74) no Hoare annotation was computed. [2020-07-20 16:23:49,938 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse4) (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (< 1 ~waterLevel~0)) .cse3) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-20 16:23:49,938 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-07-20 16:23:49,938 INFO L268 CegarLoopResult]: For program point L60(lines 60 77) no Hoare annotation was computed. [2020-07-20 16:23:49,939 INFO L268 CegarLoopResult]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2020-07-20 16:23:49,939 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse2 (not (< 1 ~waterLevel~0)) .cse3))) [2020-07-20 16:23:49,939 INFO L268 CegarLoopResult]: For program point L58-1(line 58) no Hoare annotation was computed. [2020-07-20 16:23:49,939 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse2 (not (< 1 ~waterLevel~0)) .cse3))) [2020-07-20 16:23:49,939 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2020-07-20 16:23:49,939 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~systemActive~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 (< 1 ~waterLevel~0)) .cse4) (or .cse0 .cse2 .cse5 .cse4) (or .cse2 .cse6 .cse5 .cse3) (or .cse1 .cse2 .cse6 .cse3) (or .cse0 .cse2 .cse5 .cse3))) [2020-07-20 16:23:49,939 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (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 16:23:49,940 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-20 16:23:49,940 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-20 16:23:49,940 INFO L268 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-07-20 16:23:49,940 INFO L268 CegarLoopResult]: For program point L143-2(lines 143 151) no Hoare annotation was computed. [2020-07-20 16:23:49,940 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 135 157) no Hoare annotation was computed. [2020-07-20 16:23:49,940 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 135 157) no Hoare annotation was computed. [2020-07-20 16:23:49,940 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 135 157) no Hoare annotation was computed. [2020-07-20 16:23:49,940 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 629 731) no Hoare annotation was computed. [2020-07-20 16:23:49,941 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-07-20 16:23:49,941 INFO L268 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-07-20 16:23:49,941 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-07-20 16:23:49,941 INFO L268 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-07-20 16:23:49,941 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-07-20 16:23:49,941 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 629 731) no Hoare annotation was computed. [2020-07-20 16:23:49,941 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 698) no Hoare annotation was computed. [2020-07-20 16:23:49,941 INFO L268 CegarLoopResult]: For program point L699(lines 677 700) no Hoare annotation was computed. [2020-07-20 16:23:49,941 INFO L268 CegarLoopResult]: For program point L658(lines 658 674) no Hoare annotation was computed. [2020-07-20 16:23:49,942 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 629 731) no Hoare annotation was computed. [2020-07-20 16:23:49,942 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-07-20 16:23:49,942 INFO L268 CegarLoopResult]: For program point L679(lines 678 698) no Hoare annotation was computed. [2020-07-20 16:23:49,942 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-07-20 16:23:49,942 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-07-20 16:23:49,942 INFO L268 CegarLoopResult]: For program point L675(lines 675 716) no Hoare annotation was computed. [2020-07-20 16:23:49,942 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 935 944) no Hoare annotation was computed. [2020-07-20 16:23:49,942 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 935 944) no Hoare annotation was computed. [2020-07-20 16:23:49,942 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 935 944) no Hoare annotation was computed. [2020-07-20 16:23:49,943 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:49,943 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-20 16:23:49,943 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:49,943 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 344 351) no Hoare annotation was computed. [2020-07-20 16:23:49,943 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 344 351) no Hoare annotation was computed. [2020-07-20 16:23:49,943 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 344 351) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (< 1 ~waterLevel~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4 .cse5))) [2020-07-20 16:23:49,943 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 158 166) no Hoare annotation was computed. [2020-07-20 16:23:49,944 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 158 166) no Hoare annotation was computed. [2020-07-20 16:23:49,944 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 158 166) no Hoare annotation was computed. [2020-07-20 16:23:49,944 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 416 434) no Hoare annotation was computed. [2020-07-20 16:23:49,944 INFO L268 CegarLoopResult]: For program point L425(lines 425 429) no Hoare annotation was computed. [2020-07-20 16:23:49,944 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-20 16:23:49,944 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2020-07-20 16:23:49,944 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-20 16:23:49,944 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 416 434) the Hoare annotation is: true [2020-07-20 16:23:49,944 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 416 434) no Hoare annotation was computed. [2020-07-20 16:23:49,945 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 114 125) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse9 (not (<= 1 ~pumpRunning~0))) (.cse8 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse7 .cse5 .cse8) (or .cse0 .cse2 .cse3 .cse7 .cse5 .cse8) (or .cse0 .cse6 .cse1 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse2 .cse4 .cse9) (or .cse6 .cse2 .cse7 (not (< 1 ~waterLevel~0)) .cse9 .cse8))) [2020-07-20 16:23:49,945 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 114 125) no Hoare annotation was computed. [2020-07-20 16:23:49,945 INFO L268 CegarLoopResult]: For program point L118-1(lines 114 125) no Hoare annotation was computed. [2020-07-20 16:23:49,945 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:49,945 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:23:49,945 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:49,945 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 126 134) the Hoare annotation is: true [2020-07-20 16:23:49,946 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-20 16:23:49,946 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-20 16:23:49,946 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse14 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse17 (<= 1 ~pumpRunning~0))) (let ((.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (<= ~waterLevel~0 2)) (.cse10 (= 0 ~pumpRunning~0)) (.cse5 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse17)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse16 (and .cse7 .cse14 (<= ~waterLevel~0 1) .cse17)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (< 1 ~waterLevel~0)) (.cse11 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse15 (not (= 0 ~systemActive~0))) (.cse12 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 (and .cse7 .cse8 .cse9 .cse10) .cse11 .cse12 .cse3 .cse4) (or .cse13 .cse0 .cse6 .cse11 .cse12 (and .cse7 .cse14 .cse10)) (or .cse13 .cse0 .cse14 .cse11 .cse12 .cse2) (or .cse0 .cse11 .cse12 .cse2 .cse3 (and .cse7 .cse9 .cse10)) (or .cse6 .cse15 .cse12 .cse3) (or .cse0 .cse6 .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse11 .cse16 .cse3) (or .cse0 .cse1 .cse16 .cse11 .cse2 .cse3) (or .cse0 .cse8 .cse11 .cse12 .cse2 .cse3 .cse4) (or .cse15 .cse12 .cse2 .cse3)))) [2020-07-20 16:23:49,947 INFO L264 CegarLoopResult]: At program point L272(lines 272 278) the Hoare annotation is: (let ((.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse21 (= 0 ~methaneLevelCritical~0)) (.cse19 (<= ~waterLevel~0 2)) (.cse20 (= 0 ~pumpRunning~0)) (.cse14 (= 0 ~methAndRunningLastTime~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse13 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (<= 1 ~pumpRunning~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse6 (and .cse14 .cse0 .cse13 .cse15)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and .cse0 .cse13 .cse19 .cse20)) (.cse12 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (and .cse13 .cse20 (<= ~waterLevel~0 1))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~systemActive~0))) (.cse16 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not .cse21)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse17 (and .cse21 .cse20 .cse18)) (.cse5 (not (< 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse10 .cse2 .cse4 .cse11) (or .cse12 .cse9 .cse13 .cse1 .cse2) (or .cse12 .cse7 (and .cse14 .cse13 .cse15) .cse8 .cse16 .cse10 .cse3) (or .cse7 .cse16 .cse3 .cse4 .cse17 .cse5 (and .cse18 .cse15)) (or (and .cse0 .cse19 .cse15) .cse7 (and .cse0 .cse19 .cse20) .cse10 .cse2 .cse3 .cse4 .cse5) (or .cse9 .cse1 .cse2 (and .cse19 .cse20) .cse4) (or .cse9 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 (and .cse13 .cse20)) (or .cse12 .cse7 .cse8 .cse10 .cse2 .cse3) (or .cse6 .cse7 .cse9 .cse10 .cse2 .cse4 .cse5 .cse11) (or .cse7 .cse9 .cse16 (and .cse20 .cse18) .cse4 .cse5) (or .cse12 .cse7 .cse8 .cse9 .cse16 .cse10) (or .cse7 .cse14 .cse16 .cse10 .cse3 .cse4 .cse17 .cse5)))) [2020-07-20 16:23:49,947 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 261 284) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse14 (<= ~waterLevel~0 2)) (.cse13 (= 0 ~methAndRunningLastTime~0)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse17 (<= 1 ~pumpRunning~0))) (let ((.cse10 (and .cse13 .cse8 .cse17)) (.cse16 (and .cse0 .cse14 .cse17)) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~systemActive~0))) (.cse15 (= 0 ~pumpRunning~0)) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not (<= 1 ~systemActive~0))) (.cse12 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse1 .cse2) (or .cse6 .cse9 .cse10 .cse11 .cse12 .cse3) (or .cse9 .cse12 .cse2 .cse3 .cse4 (and .cse13 .cse14 .cse15)) (or .cse9 .cse7 .cse10 .cse11 .cse12 .cse4) (or .cse7 .cse1 .cse2 (and .cse14 .cse15) .cse4) (or .cse16 .cse9 .cse11 .cse3 .cse4 .cse5) (or .cse9 .cse16 .cse7 .cse11 .cse4 .cse5) (or .cse9 .cse0 .cse12 .cse2 .cse3 .cse4 .cse5) (or .cse9 .cse7 (and .cse13 .cse0 .cse14 .cse15) .cse12 .cse2 .cse4 .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse9 .cse7 .cse12 .cse2 (and .cse13 .cse8 .cse15)) (or .cse1 .cse2 .cse3 .cse4 (and .cse8 .cse15)) (or .cse9 .cse13 .cse11 .cse12 .cse3 .cse4) (or .cse6 .cse9 .cse8 .cse12 .cse2 .cse3)))) [2020-07-20 16:23:49,947 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0))) (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse11 (and (< 1 ~waterLevel~0) (<= ~waterLevel~0 2) .cse4)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (< 1 |old(~waterLevel~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (or .cse0 (and .cse6 .cse3 .cse4) .cse2 .cse5 .cse7 .cse8) (or .cse1 .cse9 .cse10 .cse8) (or .cse0 .cse5 .cse10 .cse7 .cse8) (or .cse0 .cse1 .cse5 .cse10 .cse8) (or .cse11 .cse0 .cse2 .cse7 .cse8 .cse12) (or .cse0 .cse6 .cse1 .cse2 .cse5 .cse8) (or .cse0 .cse11 .cse1 .cse2 .cse8 .cse12) (or .cse9 .cse10 .cse7 .cse8)))) [2020-07-20 16:23:49,947 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 261 284) no Hoare annotation was computed. [2020-07-20 16:23:49,947 INFO L268 CegarLoopResult]: For program point L265(lines 264 283) no Hoare annotation was computed. [2020-07-20 16:23:49,948 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 261 284) no Hoare annotation was computed. [2020-07-20 16:23:49,948 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 835 864) no Hoare annotation was computed. [2020-07-20 16:23:49,948 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 835 864) the Hoare annotation is: true [2020-07-20 16:23:49,948 INFO L271 CegarLoopResult]: At program point L860(lines 835 864) the Hoare annotation is: true [2020-07-20 16:23:49,948 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-20 16:23:49,948 INFO L268 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-07-20 16:23:49,948 INFO L271 CegarLoopResult]: At program point L849-1(lines 849 853) the Hoare annotation is: true [2020-07-20 16:23:49,948 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-20 16:23:49,948 INFO L271 CegarLoopResult]: At program point L845-2(lines 845 859) the Hoare annotation is: true [2020-07-20 16:23:49,949 INFO L271 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: true [2020-07-20 16:23:49,949 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-20 16:23:49,949 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 90 101) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and (< 1 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse6 .cse3 .cse5) (or .cse2 .cse4 .cse7 .cse8 .cse9 .cse5) (or .cse2 .cse6 .cse7 .cse8 .cse9 .cse5))) [2020-07-20 16:23:49,949 INFO L268 CegarLoopResult]: For program point L94-1(lines 90 101) no Hoare annotation was computed. [2020-07-20 16:23:49,949 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 90 101) no Hoare annotation was computed. [2020-07-20 16:23:49,949 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 889 895) no Hoare annotation was computed. [2020-07-20 16:23:49,949 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 889 895) the Hoare annotation is: true [2020-07-20 16:23:49,950 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:49,950 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:23:49,950 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:23:49,950 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:49,950 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 450 457) no Hoare annotation was computed. [2020-07-20 16:23:49,950 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 450 457) the Hoare annotation is: true [2020-07-20 16:23:49,950 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 450 457) no Hoare annotation was computed. [2020-07-20 16:23:49,951 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 293 317) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1)) (<= 1 ~pumpRunning~0)))) [2020-07-20 16:23:49,951 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 293 317) no Hoare annotation was computed. [2020-07-20 16:23:49,951 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1)) (<= 1 ~pumpRunning~0)))) [2020-07-20 16:23:49,951 INFO L268 CegarLoopResult]: For program point L312-1(lines 293 317) no Hoare annotation was computed. [2020-07-20 16:23:49,951 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse1 .cse0 .cse2 .cse3 .cse4 .cse5) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) .cse5 (not (<= ~waterLevel~0 1))))) [2020-07-20 16:23:49,951 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (and (< 1 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse5 (not (<= ~waterLevel~0 1))))) [2020-07-20 16:23:49,951 INFO L268 CegarLoopResult]: For program point L301(lines 301 309) no Hoare annotation was computed. [2020-07-20 16:23:49,952 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))))) [2020-07-20 16:23:49,952 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-07-20 16:23:49,952 INFO L268 CegarLoopResult]: For program point L297(lines 297 314) no Hoare annotation was computed. [2020-07-20 16:23:49,952 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 102 113) no Hoare annotation was computed. [2020-07-20 16:23:49,952 INFO L268 CegarLoopResult]: For program point L106-1(lines 102 113) no Hoare annotation was computed. [2020-07-20 16:23:49,952 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 102 113) the Hoare annotation is: (let ((.cse12 (< 1 ~waterLevel~0)) (.cse13 (<= ~waterLevel~0 2))) (let ((.cse11 (not (= 0 ~systemActive~0))) (.cse3 (and .cse12 .cse13)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse9 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse1 .cse8 .cse2 .cse9) (or .cse0 .cse10 .cse8 .cse11 .cse4 .cse6) (or .cse0 .cse12 .cse11 .cse2 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse10 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse10 .cse12 .cse11 .cse4 .cse5 .cse6) (or .cse0 .cse11 .cse2 .cse13 .cse4 .cse6) (or .cse7 .cse0 .cse8 .cse11 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse9) (or .cse1 .cse10 .cse3 .cse4 .cse5 .cse9) (or .cse7 .cse0 .cse1 .cse8 .cse2 .cse6) (or .cse7 .cse0 .cse1 .cse10 .cse8 .cse6)))) [2020-07-20 16:23:49,952 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 825 832) no Hoare annotation was computed. [2020-07-20 16:23:49,953 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2020-07-20 16:23:49,953 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 825 832) the Hoare annotation is: true [2020-07-20 16:23:49,953 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 825 832) no Hoare annotation was computed. [2020-07-20 16:23:49,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:23:49 BoogieIcfgContainer [2020-07-20 16:23:49,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:23:49,974 INFO L168 Benchmark]: Toolchain (without parser) took 28107.27 ms. Allocated memory was 137.4 MB in the beginning and 502.8 MB in the end (delta: 365.4 MB). Free memory was 100.5 MB in the beginning and 99.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 382.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:49,975 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:23:49,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 810.79 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.1 MB in the beginning and 170.8 MB in the end (delta: -70.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:49,976 INFO L168 Benchmark]: Boogie Preprocessor took 84.38 ms. Allocated memory is still 201.3 MB. Free memory was 170.8 MB in the beginning and 166.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:49,977 INFO L168 Benchmark]: RCFGBuilder took 1241.81 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 166.7 MB in the beginning and 196.0 MB in the end (delta: -29.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:49,978 INFO L168 Benchmark]: TraceAbstraction took 25961.24 ms. Allocated memory was 232.3 MB in the beginning and 502.8 MB in the end (delta: 270.5 MB). Free memory was 196.0 MB in the beginning and 99.4 MB in the end (delta: 96.6 MB). Peak memory consumption was 383.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:49,981 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 810.79 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.1 MB in the beginning and 170.8 MB in the end (delta: -70.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.38 ms. Allocated memory is still 201.3 MB. Free memory was 170.8 MB in the beginning and 166.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1241.81 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 166.7 MB in the beginning and 196.0 MB in the end (delta: -29.3 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25961.24 ms. Allocated memory was 232.3 MB in the beginning and 502.8 MB in the end (delta: 270.5 MB). Free memory was 196.0 MB in the beginning and 99.4 MB in the end (delta: 96.6 MB). Peak memory consumption was 383.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 829]: 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: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((((((((((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) || !(\old(waterLevel) <= 1)) || (((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == systemActive) && waterLevel <= 2) && 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) && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || (((((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(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2503 SDtfs, 1155 SDslu, 4638 SDs, 0 SdLazy, 1454 SolverSat, 487 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1548 GetRequests, 1481 SyntacticMatches, 16 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1335occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 831 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3541 PreInvPairs, 3733 NumberOfFragments, 4712 HoareAnnotationTreeSize, 3541 FomulaSimplifications, 9328 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 64 FomulaSimplificationsInter, 15857 FormulaSimplificationTreeSizeReductionInter, 9.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1392 NumberOfCodeBlocks, 1133 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 1533 ConstructedInterpolants, 0 QuantifiedInterpolants, 328917 SizeOfPredicates, 33 NumberOfNonLiveVariables, 10570 ConjunctsInSsa, 129 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 265/276 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...