/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_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:54:06,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:54:06,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:54:06,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:54:06,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:54:06,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:54:06,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:54:06,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:54:06,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:54:06,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:54:06,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:54:06,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:54:06,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:54:06,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:54:06,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:54:06,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:54:06,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:54:06,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:54:06,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:54:06,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:54:06,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:54:06,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:54:06,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:54:06,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:54:06,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:54:06,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:54:06,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:54:06,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:54:06,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:54:06,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:54:06,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:54:06,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:54:06,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:54:06,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:54:06,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:54:06,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:54:06,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:54:06,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:54:06,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:54:06,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:54:06,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:54:06,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 12:54:06,685 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:54:06,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:54:06,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:54:06,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:54:06,688 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:54:06,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:54:06,688 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:54:06,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:54:06,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:54:06,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:54:06,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:54:06,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:54:06,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:54:06,689 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:54:06,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:54:06,690 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:54:06,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:54:06,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:54:06,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:54:06,691 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:54:06,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:54:06,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:54:06,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:54:06,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:54:06,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:54:06,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:54:06,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:06,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:54:06,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:54:06,693 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_FUNCTIONS 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 -> 2 [2020-07-21 12:54:06,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:54:07,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:54:07,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:54:07,008 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:54:07,008 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:54:07,009 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-07-21 12:54:07,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d76ec2d/4702583c174c4d8f9f473d04b0db10cb/FLAGd127e18b8 [2020-07-21 12:54:07,672 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:54:07,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-07-21 12:54:07,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d76ec2d/4702583c174c4d8f9f473d04b0db10cb/FLAGd127e18b8 [2020-07-21 12:54:07,946 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d76ec2d/4702583c174c4d8f9f473d04b0db10cb [2020-07-21 12:54:07,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:54:07,958 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:54:07,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:07,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:54:07,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:54:07,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:07" (1/1) ... [2020-07-21 12:54:07,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@504a107e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:07, skipping insertion in model container [2020-07-21 12:54:07,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:07" (1/1) ... [2020-07-21 12:54:07,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:54:08,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:54:08,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:08,571 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:54:08,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:08,716 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:54:08,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:08 WrapperNode [2020-07-21 12:54:08,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:08,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:54:08,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:54:08,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:54:08,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:08" (1/1) ... [2020-07-21 12:54:08,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:08" (1/1) ... [2020-07-21 12:54:08,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:08" (1/1) ... [2020-07-21 12:54:08,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:08" (1/1) ... [2020-07-21 12:54:08,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:08" (1/1) ... [2020-07-21 12:54:08,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:08" (1/1) ... [2020-07-21 12:54:08,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:08" (1/1) ... [2020-07-21 12:54:08,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:54:08,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:54:08,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:54:08,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:54:08,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:54:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:54:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:54:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:54:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:54:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:54:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:54:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:54:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:54:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:54:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:54:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:54:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:54:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:54:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:54:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:54:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:54:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:54:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:54:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:54:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:54:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:54:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:54:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:54:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:54:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:54:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:54:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:54:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:54:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 12:54:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:54:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:54:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:54:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:54:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:54:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:54:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:54:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:54:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:54:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:54:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:54:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:54:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:54:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:54:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:54:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:54:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:54:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:54:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:54:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:54:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:54:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:54:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:54:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:54:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:54:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:54:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:54:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:54:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:54:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:54:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:54:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:54:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:54:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:54:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:54:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:54:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:54:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:54:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:54:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:54:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:54:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:54:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:54:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 12:54:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:54:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:54:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:54:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:54:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:54:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:54:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:54:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:54:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:54:09,902 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:54:09,903 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:54:09,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:09 BoogieIcfgContainer [2020-07-21 12:54:09,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:54:09,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:54:09,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:54:09,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:54:09,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:54:07" (1/3) ... [2020-07-21 12:54:09,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a96369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:09, skipping insertion in model container [2020-07-21 12:54:09,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:08" (2/3) ... [2020-07-21 12:54:09,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a96369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:09, skipping insertion in model container [2020-07-21 12:54:09,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:09" (3/3) ... [2020-07-21 12:54:09,919 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-07-21 12:54:09,929 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:54:09,940 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:54:09,953 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:54:09,974 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:54:09,974 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:54:09,974 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:54:09,974 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:54:09,975 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:54:09,975 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:54:09,975 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:54:09,975 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:54:09,997 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-07-21 12:54:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 12:54:10,007 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:10,009 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:10,009 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:10,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:10,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1109188308, now seen corresponding path program 1 times [2020-07-21 12:54:10,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:10,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784755368] [2020-07-21 12:54:10,025 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:10,530 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:10,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:10,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:54:10,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:54:10,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:10,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784755368] [2020-07-21 12:54:10,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:10,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:54:10,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774367459] [2020-07-21 12:54:10,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:54:10,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:10,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:54:10,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:10,602 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2020-07-21 12:54:10,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:10,652 INFO L93 Difference]: Finished difference Result 276 states and 339 transitions. [2020-07-21 12:54:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:54:10,654 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 12:54:10,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:10,669 INFO L225 Difference]: With dead ends: 276 [2020-07-21 12:54:10,670 INFO L226 Difference]: Without dead ends: 140 [2020-07-21 12:54:10,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:10,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-07-21 12:54:10,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-07-21 12:54:10,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-21 12:54:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 163 transitions. [2020-07-21 12:54:10,735 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 163 transitions. Word has length 59 [2020-07-21 12:54:10,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:10,736 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 163 transitions. [2020-07-21 12:54:10,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:54:10,736 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2020-07-21 12:54:10,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 12:54:10,740 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:10,741 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:10,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:10,954 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:10,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:10,955 INFO L82 PathProgramCache]: Analyzing trace with hash 813843432, now seen corresponding path program 1 times [2020-07-21 12:54:10,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:10,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2008171374] [2020-07-21 12:54:10,957 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:11,321 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:11,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:11,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:54:11,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:11,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:54:11,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:11,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2008171374] [2020-07-21 12:54:11,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:11,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:11,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463350174] [2020-07-21 12:54:11,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:11,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:11,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:11,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:11,375 INFO L87 Difference]: Start difference. First operand 140 states and 163 transitions. Second operand 3 states. [2020-07-21 12:54:11,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:11,398 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2020-07-21 12:54:11,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:11,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 12:54:11,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:11,402 INFO L225 Difference]: With dead ends: 221 [2020-07-21 12:54:11,402 INFO L226 Difference]: Without dead ends: 131 [2020-07-21 12:54:11,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:11,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-21 12:54:11,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-07-21 12:54:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-21 12:54:11,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2020-07-21 12:54:11,430 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 60 [2020-07-21 12:54:11,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:11,430 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2020-07-21 12:54:11,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:11,433 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2020-07-21 12:54:11,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 12:54:11,436 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:11,436 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:11,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:11,654 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:11,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:11,655 INFO L82 PathProgramCache]: Analyzing trace with hash 605286682, now seen corresponding path program 1 times [2020-07-21 12:54:11,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:11,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1221921094] [2020-07-21 12:54:11,656 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:11,954 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:11,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:11,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:11,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:12,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:12,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1221921094] [2020-07-21 12:54:12,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:12,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:12,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863126642] [2020-07-21 12:54:12,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:12,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:12,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:12,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:12,005 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 3 states. [2020-07-21 12:54:12,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:12,035 INFO L93 Difference]: Finished difference Result 234 states and 275 transitions. [2020-07-21 12:54:12,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:12,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 12:54:12,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:12,040 INFO L225 Difference]: With dead ends: 234 [2020-07-21 12:54:12,040 INFO L226 Difference]: Without dead ends: 131 [2020-07-21 12:54:12,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:12,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-21 12:54:12,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-07-21 12:54:12,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-21 12:54:12,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 150 transitions. [2020-07-21 12:54:12,070 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 150 transitions. Word has length 65 [2020-07-21 12:54:12,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:12,073 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 150 transitions. [2020-07-21 12:54:12,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 150 transitions. [2020-07-21 12:54:12,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-21 12:54:12,081 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:12,081 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:12,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:12,285 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:12,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:12,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1239264208, now seen corresponding path program 1 times [2020-07-21 12:54:12,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:12,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71887444] [2020-07-21 12:54:12,288 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:12,626 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:12,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:12,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 12:54:12,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:12,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:12,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:12,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71887444] [2020-07-21 12:54:12,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:12,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 12:54:12,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789246485] [2020-07-21 12:54:12,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 12:54:12,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:12,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 12:54:12,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:54:12,706 INFO L87 Difference]: Start difference. First operand 131 states and 150 transitions. Second operand 7 states. [2020-07-21 12:54:13,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:13,537 INFO L93 Difference]: Finished difference Result 321 states and 396 transitions. [2020-07-21 12:54:13,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 12:54:13,538 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-07-21 12:54:13,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:13,543 INFO L225 Difference]: With dead ends: 321 [2020-07-21 12:54:13,543 INFO L226 Difference]: Without dead ends: 218 [2020-07-21 12:54:13,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 12:54:13,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-07-21 12:54:13,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 201. [2020-07-21 12:54:13,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-07-21 12:54:13,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 234 transitions. [2020-07-21 12:54:13,572 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 234 transitions. Word has length 78 [2020-07-21 12:54:13,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:13,573 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 234 transitions. [2020-07-21 12:54:13,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 12:54:13,573 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 234 transitions. [2020-07-21 12:54:13,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 12:54:13,575 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:13,575 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:13,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:13,783 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:13,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:13,784 INFO L82 PathProgramCache]: Analyzing trace with hash -440444759, now seen corresponding path program 1 times [2020-07-21 12:54:13,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:13,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791160416] [2020-07-21 12:54:13,786 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:14,130 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:14,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:14,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:14,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:14,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:14,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:14,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791160416] [2020-07-21 12:54:14,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:14,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:14,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97795316] [2020-07-21 12:54:14,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:14,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:14,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:14,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:14,190 INFO L87 Difference]: Start difference. First operand 201 states and 234 transitions. Second operand 6 states. [2020-07-21 12:54:14,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:14,232 INFO L93 Difference]: Finished difference Result 379 states and 452 transitions. [2020-07-21 12:54:14,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:54:14,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-07-21 12:54:14,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:14,236 INFO L225 Difference]: With dead ends: 379 [2020-07-21 12:54:14,237 INFO L226 Difference]: Without dead ends: 206 [2020-07-21 12:54:14,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:54:14,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-07-21 12:54:14,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-07-21 12:54:14,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-07-21 12:54:14,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 239 transitions. [2020-07-21 12:54:14,259 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 239 transitions. Word has length 93 [2020-07-21 12:54:14,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:14,260 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 239 transitions. [2020-07-21 12:54:14,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:14,260 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 239 transitions. [2020-07-21 12:54:14,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 12:54:14,261 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:14,262 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:14,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:14,476 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:14,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:14,477 INFO L82 PathProgramCache]: Analyzing trace with hash 261155115, now seen corresponding path program 1 times [2020-07-21 12:54:14,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:14,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146049649] [2020-07-21 12:54:14,478 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:14,712 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:14,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:14,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:54:14,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:14,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:14,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146049649] [2020-07-21 12:54:14,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:14,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:54:14,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733761125] [2020-07-21 12:54:14,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:54:14,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:14,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:54:14,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:14,765 INFO L87 Difference]: Start difference. First operand 206 states and 239 transitions. Second operand 5 states. [2020-07-21 12:54:14,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:14,818 INFO L93 Difference]: Finished difference Result 391 states and 471 transitions. [2020-07-21 12:54:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:54:14,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-07-21 12:54:14,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:14,823 INFO L225 Difference]: With dead ends: 391 [2020-07-21 12:54:14,823 INFO L226 Difference]: Without dead ends: 213 [2020-07-21 12:54:14,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:14,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-07-21 12:54:14,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 210. [2020-07-21 12:54:14,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-07-21 12:54:14,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 243 transitions. [2020-07-21 12:54:14,890 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 243 transitions. Word has length 93 [2020-07-21 12:54:14,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:14,891 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 243 transitions. [2020-07-21 12:54:14,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:54:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 243 transitions. [2020-07-21 12:54:14,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 12:54:14,893 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:14,893 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:15,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:15,094 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:15,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:15,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1986636012, now seen corresponding path program 1 times [2020-07-21 12:54:15,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:15,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960256481] [2020-07-21 12:54:15,096 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:15,312 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:15,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:15,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:54:15,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:15,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:15,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:15,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1960256481] [2020-07-21 12:54:15,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:15,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:15,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126373437] [2020-07-21 12:54:15,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:15,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:15,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:15,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:15,362 INFO L87 Difference]: Start difference. First operand 210 states and 243 transitions. Second operand 3 states. [2020-07-21 12:54:15,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:15,412 INFO L93 Difference]: Finished difference Result 546 states and 671 transitions. [2020-07-21 12:54:15,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:15,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-21 12:54:15,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:15,421 INFO L225 Difference]: With dead ends: 546 [2020-07-21 12:54:15,421 INFO L226 Difference]: Without dead ends: 364 [2020-07-21 12:54:15,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:15,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-07-21 12:54:15,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 361. [2020-07-21 12:54:15,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2020-07-21 12:54:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 432 transitions. [2020-07-21 12:54:15,467 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 432 transitions. Word has length 93 [2020-07-21 12:54:15,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:15,468 INFO L479 AbstractCegarLoop]: Abstraction has 361 states and 432 transitions. [2020-07-21 12:54:15,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:15,468 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 432 transitions. [2020-07-21 12:54:15,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-21 12:54:15,473 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:15,474 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:15,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:15,688 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:15,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:15,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1429929390, now seen corresponding path program 1 times [2020-07-21 12:54:15,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:15,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601221466] [2020-07-21 12:54:15,691 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:16,013 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:16,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:16,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 12:54:16,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:16,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:16,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:16,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601221466] [2020-07-21 12:54:16,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:16,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 12:54:16,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392640597] [2020-07-21 12:54:16,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:16,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:16,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:16,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:16,135 INFO L87 Difference]: Start difference. First operand 361 states and 432 transitions. Second operand 10 states. [2020-07-21 12:54:17,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:17,327 INFO L93 Difference]: Finished difference Result 1002 states and 1375 transitions. [2020-07-21 12:54:17,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 12:54:17,327 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 97 [2020-07-21 12:54:17,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:17,335 INFO L225 Difference]: With dead ends: 1002 [2020-07-21 12:54:17,336 INFO L226 Difference]: Without dead ends: 669 [2020-07-21 12:54:17,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-21 12:54:17,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2020-07-21 12:54:17,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 496. [2020-07-21 12:54:17,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-07-21 12:54:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 598 transitions. [2020-07-21 12:54:17,404 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 598 transitions. Word has length 97 [2020-07-21 12:54:17,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:17,406 INFO L479 AbstractCegarLoop]: Abstraction has 496 states and 598 transitions. [2020-07-21 12:54:17,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:17,406 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 598 transitions. [2020-07-21 12:54:17,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-21 12:54:17,410 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:17,411 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:17,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:17,624 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:17,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:17,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1557984819, now seen corresponding path program 1 times [2020-07-21 12:54:17,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:17,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90227993] [2020-07-21 12:54:17,627 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:54:17,949 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:17,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:17,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:17,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:18,037 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:18,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:54:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-21 12:54:18,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90227993] [2020-07-21 12:54:18,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:54:18,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 12:54:18,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792447067] [2020-07-21 12:54:18,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:18,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:18,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:18,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:18,398 INFO L87 Difference]: Start difference. First operand 496 states and 598 transitions. Second operand 10 states. [2020-07-21 12:54:19,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:19,218 INFO L93 Difference]: Finished difference Result 1069 states and 1305 transitions. [2020-07-21 12:54:19,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 12:54:19,219 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-07-21 12:54:19,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:19,220 INFO L225 Difference]: With dead ends: 1069 [2020-07-21 12:54:19,221 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:54:19,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 301 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 12:54:19,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:54:19,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:54:19,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:54:19,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:54:19,225 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2020-07-21 12:54:19,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:19,226 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:54:19,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:19,226 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:54:19,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:54:19,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:19,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:54:20,745 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 12:54:21,044 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-07-21 12:54:21,240 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-07-21 12:54:21,482 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-07-21 12:54:21,701 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 12:54:22,142 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-07-21 12:54:22,347 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 12:54:22,459 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2020-07-21 12:54:23,040 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 12:54:23,184 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-07-21 12:54:23,290 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2020-07-21 12:54:23,436 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-07-21 12:54:23,881 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2020-07-21 12:54:24,016 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-21 12:54:24,142 INFO L268 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-07-21 12:54:24,142 INFO L268 CegarLoopResult]: For program point L289-1(lines 289 293) no Hoare annotation was computed. [2020-07-21 12:54:24,142 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-21 12:54:24,142 INFO L268 CegarLoopResult]: For program point L283-2(lines 283 304) no Hoare annotation was computed. [2020-07-21 12:54:24,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 258 313) no Hoare annotation was computed. [2020-07-21 12:54:24,143 INFO L268 CegarLoopResult]: For program point L305(lines 282 306) no Hoare annotation was computed. [2020-07-21 12:54:24,143 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 258 313) no Hoare annotation was computed. [2020-07-21 12:54:24,143 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 258 313) no Hoare annotation was computed. [2020-07-21 12:54:24,143 INFO L268 CegarLoopResult]: For program point L346(lines 346 350) no Hoare annotation was computed. [2020-07-21 12:54:24,143 INFO L268 CegarLoopResult]: For program point L346-1(lines 346 350) no Hoare annotation was computed. [2020-07-21 12:54:24,143 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 314 373) no Hoare annotation was computed. [2020-07-21 12:54:24,143 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-21 12:54:24,143 INFO L268 CegarLoopResult]: For program point L340-2(lines 340 365) no Hoare annotation was computed. [2020-07-21 12:54:24,144 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 314 373) no Hoare annotation was computed. [2020-07-21 12:54:24,144 INFO L268 CegarLoopResult]: For program point L366(lines 339 367) no Hoare annotation was computed. [2020-07-21 12:54:24,144 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 314 373) no Hoare annotation was computed. [2020-07-21 12:54:24,145 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-07-21 12:54:24,145 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-07-21 12:54:24,145 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2020-07-21 12:54:24,146 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2020-07-21 12:54:24,146 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2020-07-21 12:54:24,146 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2020-07-21 12:54:24,146 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2020-07-21 12:54:24,146 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 158 165) the Hoare annotation is: true [2020-07-21 12:54:24,146 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 158 165) no Hoare annotation was computed. [2020-07-21 12:54:24,147 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 158 165) no Hoare annotation was computed. [2020-07-21 12:54:24,147 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 166 175) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-21 12:54:24,147 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-07-21 12:54:24,147 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 166 175) no Hoare annotation was computed. [2020-07-21 12:54:24,147 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 166 175) no Hoare annotation was computed. [2020-07-21 12:54:24,148 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-21 12:54:24,148 INFO L268 CegarLoopResult]: For program point L189(lines 189 195) no Hoare annotation was computed. [2020-07-21 12:54:24,148 INFO L268 CegarLoopResult]: For program point L188(lines 188 198) no Hoare annotation was computed. [2020-07-21 12:54:24,148 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 12:54:24,148 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-07-21 12:54:24,148 INFO L268 CegarLoopResult]: For program point L184(lines 184 201) no Hoare annotation was computed. [2020-07-21 12:54:24,149 INFO L268 CegarLoopResult]: For program point L184-1(lines 176 204) no Hoare annotation was computed. [2020-07-21 12:54:24,149 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-07-21 12:54:24,149 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-21 12:54:24,149 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 176 204) the Hoare annotation is: true [2020-07-21 12:54:24,149 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 176 204) no Hoare annotation was computed. [2020-07-21 12:54:24,149 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 131 153) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:24,149 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 131 153) no Hoare annotation was computed. [2020-07-21 12:54:24,150 INFO L264 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:24,150 INFO L264 CegarLoopResult]: At program point L143-1(line 143) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:24,150 INFO L268 CegarLoopResult]: For program point L141(lines 141 148) no Hoare annotation was computed. [2020-07-21 12:54:24,150 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 131 153) no Hoare annotation was computed. [2020-07-21 12:54:24,150 INFO L268 CegarLoopResult]: For program point L141-1(lines 141 148) no Hoare annotation was computed. [2020-07-21 12:54:24,150 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 12:54:24,150 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:24,150 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:24,150 INFO L264 CegarLoopResult]: At program point L137-1(line 137) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:24,151 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-21 12:54:24,151 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-07-21 12:54:24,151 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 84 107) no Hoare annotation was computed. [2020-07-21 12:54:24,151 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-07-21 12:54:24,151 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-21 12:54:24,151 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-21 12:54:24,151 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 84 107) no Hoare annotation was computed. [2020-07-21 12:54:24,151 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-21 12:54:24,151 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 84 107) no Hoare annotation was computed. [2020-07-21 12:54:24,152 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 12:54:24,152 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-21 12:54:24,152 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-21 12:54:24,152 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-07-21 12:54:24,152 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-07-21 12:54:24,152 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 12:54:24,152 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-07-21 12:54:24,152 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-07-21 12:54:24,152 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 789 797) no Hoare annotation was computed. [2020-07-21 12:54:24,152 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 789 797) the Hoare annotation is: true [2020-07-21 12:54:24,153 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 789 797) no Hoare annotation was computed. [2020-07-21 12:54:24,153 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-21 12:54:24,153 INFO L268 CegarLoopResult]: For program point L828-1(line 828) no Hoare annotation was computed. [2020-07-21 12:54:24,153 INFO L268 CegarLoopResult]: For program point L817(lines 817 825) no Hoare annotation was computed. [2020-07-21 12:54:24,153 INFO L268 CegarLoopResult]: For program point L817-2(lines 817 825) no Hoare annotation was computed. [2020-07-21 12:54:24,153 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 798 833) no Hoare annotation was computed. [2020-07-21 12:54:24,153 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 798 833) no Hoare annotation was computed. [2020-07-21 12:54:24,153 INFO L268 CegarLoopResult]: For program point L805(lines 805 813) no Hoare annotation was computed. [2020-07-21 12:54:24,153 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 813) no Hoare annotation was computed. [2020-07-21 12:54:24,153 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 798 833) no Hoare annotation was computed. [2020-07-21 12:54:24,154 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2020-07-21 12:54:24,154 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2020-07-21 12:54:24,154 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 212 257) no Hoare annotation was computed. [2020-07-21 12:54:24,154 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 212 257) no Hoare annotation was computed. [2020-07-21 12:54:24,154 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 212 257) no Hoare annotation was computed. [2020-07-21 12:54:24,154 INFO L268 CegarLoopResult]: For program point L545(lines 545 552) no Hoare annotation was computed. [2020-07-21 12:54:24,154 INFO L268 CegarLoopResult]: For program point L539(lines 539 559) no Hoare annotation was computed. [2020-07-21 12:54:24,154 INFO L268 CegarLoopResult]: For program point L539-1(lines 539 559) no Hoare annotation was computed. [2020-07-21 12:54:24,154 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 525 570) no Hoare annotation was computed. [2020-07-21 12:54:24,155 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 525 570) no Hoare annotation was computed. [2020-07-21 12:54:24,155 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 525 570) no Hoare annotation was computed. [2020-07-21 12:54:24,155 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 117 127) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:24,155 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 117 127) no Hoare annotation was computed. [2020-07-21 12:54:24,155 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:24,155 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 117 127) no Hoare annotation was computed. [2020-07-21 12:54:24,156 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 778 788) the Hoare annotation is: true [2020-07-21 12:54:24,156 INFO L271 CegarLoopResult]: At program point L783(line 783) the Hoare annotation is: true [2020-07-21 12:54:24,156 INFO L268 CegarLoopResult]: For program point L783-1(line 783) no Hoare annotation was computed. [2020-07-21 12:54:24,156 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 778 788) no Hoare annotation was computed. [2020-07-21 12:54:24,156 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 778 788) no Hoare annotation was computed. [2020-07-21 12:54:24,156 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 770 777) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-21 12:54:24,156 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 770 777) no Hoare annotation was computed. [2020-07-21 12:54:24,156 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 770 777) no Hoare annotation was computed. [2020-07-21 12:54:24,156 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 655 668) no Hoare annotation was computed. [2020-07-21 12:54:24,156 INFO L268 CegarLoopResult]: For program point L659(lines 659 665) no Hoare annotation was computed. [2020-07-21 12:54:24,157 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 655 668) the Hoare annotation is: true [2020-07-21 12:54:24,157 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 655 668) no Hoare annotation was computed. [2020-07-21 12:54:24,157 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 737 761) no Hoare annotation was computed. [2020-07-21 12:54:24,157 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:24,157 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 737 761) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:24,157 INFO L268 CegarLoopResult]: For program point L756-1(lines 737 761) no Hoare annotation was computed. [2020-07-21 12:54:24,158 INFO L264 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:24,158 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:24,158 INFO L268 CegarLoopResult]: For program point L745(lines 745 753) no Hoare annotation was computed. [2020-07-21 12:54:24,158 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:24,158 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-07-21 12:54:24,159 INFO L268 CegarLoopResult]: For program point L741(lines 741 758) no Hoare annotation was computed. [2020-07-21 12:54:24,159 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 703 709) no Hoare annotation was computed. [2020-07-21 12:54:24,159 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 703 709) the Hoare annotation is: true [2020-07-21 12:54:24,159 INFO L264 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 12:54:24,159 INFO L264 CegarLoopResult]: At program point testENTRY(lines 897 962) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:24,160 INFO L268 CegarLoopResult]: For program point L927(lines 927 933) no Hoare annotation was computed. [2020-07-21 12:54:24,160 INFO L268 CegarLoopResult]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2020-07-21 12:54:24,160 INFO L264 CegarLoopResult]: At program point L952(lines 907 954) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:54:24,160 INFO L264 CegarLoopResult]: At program point L919(line 919) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:54:24,160 INFO L268 CegarLoopResult]: For program point testFINAL(lines 897 962) no Hoare annotation was computed. [2020-07-21 12:54:24,161 INFO L268 CegarLoopResult]: For program point L917(lines 917 923) no Hoare annotation was computed. [2020-07-21 12:54:24,161 INFO L268 CegarLoopResult]: For program point L917-1(lines 917 923) no Hoare annotation was computed. [2020-07-21 12:54:24,161 INFO L268 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2020-07-21 12:54:24,161 INFO L264 CegarLoopResult]: At program point L955(lines 906 956) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:24,161 INFO L268 CegarLoopResult]: For program point L945(lines 945 949) no Hoare annotation was computed. [2020-07-21 12:54:24,162 INFO L264 CegarLoopResult]: At program point L945-2(lines 937 950) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 12:54:24,162 INFO L268 CegarLoopResult]: For program point L908(lines 907 954) no Hoare annotation was computed. [2020-07-21 12:54:24,162 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 12:54:24,162 INFO L268 CegarLoopResult]: For program point L937(lines 937 950) no Hoare annotation was computed. [2020-07-21 12:54:24,162 INFO L268 CegarLoopResult]: For program point testEXIT(lines 897 962) no Hoare annotation was computed. [2020-07-21 12:54:24,162 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 479 524) no Hoare annotation was computed. [2020-07-21 12:54:24,163 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 479 524) no Hoare annotation was computed. [2020-07-21 12:54:24,163 INFO L268 CegarLoopResult]: For program point L499(lines 499 506) no Hoare annotation was computed. [2020-07-21 12:54:24,163 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 479 524) no Hoare annotation was computed. [2020-07-21 12:54:24,163 INFO L268 CegarLoopResult]: For program point L493(lines 493 513) no Hoare annotation was computed. [2020-07-21 12:54:24,163 INFO L268 CegarLoopResult]: For program point L493-1(lines 493 513) no Hoare annotation was computed. [2020-07-21 12:54:24,163 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 623 645) no Hoare annotation was computed. [2020-07-21 12:54:24,163 INFO L268 CegarLoopResult]: For program point L631(lines 631 639) no Hoare annotation was computed. [2020-07-21 12:54:24,164 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 623 645) no Hoare annotation was computed. [2020-07-21 12:54:24,164 INFO L268 CegarLoopResult]: For program point L631-2(lines 631 639) no Hoare annotation was computed. [2020-07-21 12:54:24,164 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 623 645) no Hoare annotation was computed. [2020-07-21 12:54:24,164 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 376 478) no Hoare annotation was computed. [2020-07-21 12:54:24,164 INFO L268 CegarLoopResult]: For program point L446(lines 424 447) no Hoare annotation was computed. [2020-07-21 12:54:24,164 INFO L268 CegarLoopResult]: For program point L405(lines 405 421) no Hoare annotation was computed. [2020-07-21 12:54:24,164 INFO L268 CegarLoopResult]: For program point L465(lines 465 472) no Hoare annotation was computed. [2020-07-21 12:54:24,165 INFO L268 CegarLoopResult]: For program point L426(lines 425 445) no Hoare annotation was computed. [2020-07-21 12:54:24,165 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 12:54:24,165 INFO L268 CegarLoopResult]: For program point L457-1(line 457) no Hoare annotation was computed. [2020-07-21 12:54:24,165 INFO L268 CegarLoopResult]: For program point L422(lines 422 463) no Hoare annotation was computed. [2020-07-21 12:54:24,165 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 376 478) no Hoare annotation was computed. [2020-07-21 12:54:24,165 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-07-21 12:54:24,165 INFO L268 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2020-07-21 12:54:24,166 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 376 478) no Hoare annotation was computed. [2020-07-21 12:54:24,166 INFO L268 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2020-07-21 12:54:24,166 INFO L268 CegarLoopResult]: For program point L464(lines 464 475) no Hoare annotation was computed. [2020-07-21 12:54:24,166 INFO L268 CegarLoopResult]: For program point L427(lines 427 431) no Hoare annotation was computed. [2020-07-21 12:54:24,166 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 445) no Hoare annotation was computed. [2020-07-21 12:54:24,166 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2020-07-21 12:54:24,166 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2020-07-21 12:54:24,167 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2020-07-21 12:54:24,167 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:24,167 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-21 12:54:24,167 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:24,167 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2020-07-21 12:54:24,167 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2020-07-21 12:54:24,168 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 762 769) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 12:54:24,168 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 646 654) the Hoare annotation is: true [2020-07-21 12:54:24,168 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 646 654) no Hoare annotation was computed. [2020-07-21 12:54:24,187 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 646 654) no Hoare annotation was computed. [2020-07-21 12:54:24,188 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 834 852) no Hoare annotation was computed. [2020-07-21 12:54:24,188 INFO L268 CegarLoopResult]: For program point L843(lines 843 847) no Hoare annotation was computed. [2020-07-21 12:54:24,188 INFO L271 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: true [2020-07-21 12:54:24,188 INFO L268 CegarLoopResult]: For program point L843-2(lines 843 847) no Hoare annotation was computed. [2020-07-21 12:54:24,188 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-21 12:54:24,188 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 834 852) the Hoare annotation is: true [2020-07-21 12:54:24,188 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 834 852) no Hoare annotation was computed. [2020-07-21 12:54:24,189 INFO L268 CegarLoopResult]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2020-07-21 12:54:24,189 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 602 613) the Hoare annotation is: true [2020-07-21 12:54:24,189 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 602 613) no Hoare annotation was computed. [2020-07-21 12:54:24,189 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:24,189 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:54:24,189 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:24,189 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse4 .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse5 .cse6 .cse2) (or .cse0 .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse1 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse2)))) [2020-07-21 12:54:24,190 INFO L264 CegarLoopResult]: At program point L690(lines 690 696) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (<= ~waterLevel~0 1)) (.cse5 (<= 1 ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12 .cse5)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse4 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse12)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (let ((.cse2 (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 2) .cse3) (and .cse2 .cse4 .cse5) .cse6 .cse7)) (or .cse8 .cse0 .cse1 (and .cse4 .cse3)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse8 .cse0 .cse9 .cse10 .cse11) (or .cse0 .cse9 .cse10 .cse11 .cse6 .cse7)))) [2020-07-21 12:54:24,190 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 676 702) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-21 12:54:24,190 INFO L264 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse0 .cse4) (or .cse0 .cse4 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 12:54:24,190 INFO L268 CegarLoopResult]: For program point L683(lines 679 701) no Hoare annotation was computed. [2020-07-21 12:54:24,191 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 676 702) no Hoare annotation was computed. [2020-07-21 12:54:24,191 INFO L268 CegarLoopResult]: For program point L681(lines 679 701) no Hoare annotation was computed. [2020-07-21 12:54:24,191 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 676 702) no Hoare annotation was computed. [2020-07-21 12:54:24,191 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-21 12:54:24,191 INFO L271 CegarLoopResult]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2020-07-21 12:54:24,191 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2020-07-21 12:54:24,191 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-07-21 12:54:24,191 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2020-07-21 12:54:24,192 INFO L271 CegarLoopResult]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2020-07-21 12:54:24,192 INFO L271 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: true [2020-07-21 12:54:24,192 INFO L268 CegarLoopResult]: For program point L57-1(line 57) no Hoare annotation was computed. [2020-07-21 12:54:24,192 INFO L271 CegarLoopResult]: At program point L76(lines 51 80) the Hoare annotation is: true [2020-07-21 12:54:24,192 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-07-21 12:54:24,192 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 614 622) the Hoare annotation is: true [2020-07-21 12:54:24,192 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 614 622) no Hoare annotation was computed. [2020-07-21 12:54:24,192 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 614 622) no Hoare annotation was computed. [2020-07-21 12:54:24,193 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 578 589) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 12:54:24,193 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 578 589) no Hoare annotation was computed. [2020-07-21 12:54:24,193 INFO L268 CegarLoopResult]: For program point L582-1(lines 578 589) no Hoare annotation was computed. [2020-07-21 12:54:24,193 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2020-07-21 12:54:24,193 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2020-07-21 12:54:24,193 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:24,193 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:54:24,194 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:54:24,194 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:24,194 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 853 860) no Hoare annotation was computed. [2020-07-21 12:54:24,194 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 853 860) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse2 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse3 .cse2))) [2020-07-21 12:54:24,194 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 853 860) no Hoare annotation was computed. [2020-07-21 12:54:24,194 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 711 735) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:24,194 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 711 735) no Hoare annotation was computed. [2020-07-21 12:54:24,195 INFO L264 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:24,195 INFO L268 CegarLoopResult]: For program point L730-1(lines 711 735) no Hoare annotation was computed. [2020-07-21 12:54:24,195 INFO L264 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0))))) [2020-07-21 12:54:24,195 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:24,195 INFO L268 CegarLoopResult]: For program point L719(lines 719 727) no Hoare annotation was computed. [2020-07-21 12:54:24,195 INFO L264 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:24,196 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-07-21 12:54:24,196 INFO L268 CegarLoopResult]: For program point L715(lines 715 732) no Hoare annotation was computed. [2020-07-21 12:54:24,196 INFO L268 CegarLoopResult]: For program point L594-1(lines 590 601) no Hoare annotation was computed. [2020-07-21 12:54:24,196 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 590 601) no Hoare annotation was computed. [2020-07-21 12:54:24,196 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 590 601) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-21 12:54:24,196 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-21 12:54:24,196 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-21 12:54:24,196 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-21 12:54:24,197 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-21 12:54:24,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:54:24 BoogieIcfgContainer [2020-07-21 12:54:24,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:54:24,216 INFO L168 Benchmark]: Toolchain (without parser) took 16258.67 ms. Allocated memory was 137.4 MB in the beginning and 395.3 MB in the end (delta: 257.9 MB). Free memory was 100.1 MB in the beginning and 358.8 MB in the end (delta: -258.7 MB). Peak memory consumption was 274.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:24,216 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:54:24,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.44 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 99.7 MB in the beginning and 171.7 MB in the end (delta: -71.9 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:24,218 INFO L168 Benchmark]: Boogie Preprocessor took 84.22 ms. Allocated memory is still 202.9 MB. Free memory was 171.7 MB in the beginning and 167.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:24,219 INFO L168 Benchmark]: RCFGBuilder took 1109.30 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 167.5 MB in the beginning and 196.1 MB in the end (delta: -28.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:24,219 INFO L168 Benchmark]: TraceAbstraction took 14302.07 ms. Allocated memory was 233.8 MB in the beginning and 395.3 MB in the end (delta: 161.5 MB). Free memory was 196.1 MB in the beginning and 358.8 MB in the end (delta: -162.8 MB). Peak memory consumption was 273.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:24,222 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 757.44 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 99.7 MB in the beginning and 171.7 MB in the end (delta: -71.9 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.22 ms. Allocated memory is still 202.9 MB. Free memory was 171.7 MB in the beginning and 167.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1109.30 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 167.5 MB in the beginning and 196.1 MB in the end (delta: -28.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14302.07 ms. Allocated memory was 233.8 MB in the beginning and 395.3 MB in the end (delta: 161.5 MB). Free memory was 196.1 MB in the beginning and 358.8 MB in the end (delta: -162.8 MB). Peak memory consumption was 273.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.4s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1607 SDtfs, 1192 SDslu, 2870 SDs, 0 SdLazy, 1877 SolverSat, 559 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 969 GetRequests, 908 SyntacticMatches, 6 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 196 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 953 PreInvPairs, 1037 NumberOfFragments, 1719 HoareAnnotationTreeSize, 953 FomulaSimplifications, 1396 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 63 FomulaSimplificationsInter, 7465 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 795 NumberOfCodeBlocks, 795 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 942 ConstructedInterpolants, 0 QuantifiedInterpolants, 192862 SizeOfPredicates, 26 NumberOfNonLiveVariables, 6932 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 88/110 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...