/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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:54:45,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:54:45,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:54:45,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:54:45,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:54:45,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:54:45,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:54:45,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:54:45,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:54:45,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:54:45,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:54:45,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:54:45,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:54:45,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:54:45,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:54:45,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:54:45,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:54:45,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:54:45,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:54:45,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:54:45,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:54:45,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:54:45,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:54:45,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:54:45,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:54:45,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:54:45,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:54:45,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:54:45,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:54:45,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:54:45,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:54:45,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:54:45,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:54:45,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:54:45,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:54:45,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:54:45,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:54:45,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:54:45,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:54:45,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:54:45,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:54:45,583 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 12:54:45,598 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:54:45,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:54:45,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:54:45,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:54:45,600 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:54:45,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:54:45,600 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:54:45,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:54:45,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:54:45,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:54:45,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:54:45,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:54:45,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:54:45,602 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:54:45,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:54:45,602 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:54:45,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:54:45,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:54:45,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:54:45,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:54:45,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:54:45,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:54:45,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:54:45,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:54:45,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:54:45,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:54:45,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:45,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:54:45,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:54:45,605 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 12:54:45,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:54:45,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:54:45,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:54:45,925 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:54:45,925 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:54:45,926 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-21 12:54:46,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/338c78e4b/9a8dbb44365a452995c3f85f05cdeca6/FLAG38ea58fac [2020-07-21 12:54:46,617 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:54:46,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-21 12:54:46,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/338c78e4b/9a8dbb44365a452995c3f85f05cdeca6/FLAG38ea58fac [2020-07-21 12:54:46,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/338c78e4b/9a8dbb44365a452995c3f85f05cdeca6 [2020-07-21 12:54:46,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:54:46,875 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:54:46,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:46,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:54:46,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:54:46,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:46" (1/1) ... [2020-07-21 12:54:46,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3607cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:46, skipping insertion in model container [2020-07-21 12:54:46,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:46" (1/1) ... [2020-07-21 12:54:46,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:54:46,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:54:47,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:47,491 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:54:47,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:47,637 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:54:47,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:47 WrapperNode [2020-07-21 12:54:47,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:47,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:54:47,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:54:47,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:54:47,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:47" (1/1) ... [2020-07-21 12:54:47,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:47" (1/1) ... [2020-07-21 12:54:47,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:47" (1/1) ... [2020-07-21 12:54:47,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:47" (1/1) ... [2020-07-21 12:54:47,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:47" (1/1) ... [2020-07-21 12:54:47,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:47" (1/1) ... [2020-07-21 12:54:47,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:47" (1/1) ... [2020-07-21 12:54:47,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:54:47,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:54:47,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:54:47,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:54:47,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:47" (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 12:54:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:54:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:54:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:54:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:54:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:54:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:54:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 12:54:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:54:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 12:54:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:54:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:54:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:54:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:54:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:54:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:54:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 12:54:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 12:54:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 12:54:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:54:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:54:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:54:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:54:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:54:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:54:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:54:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 12:54:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:54:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:54:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:54:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:54:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:54:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:54:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:54:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:54:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:54:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:54:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:54:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:54:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:54:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:54:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:54:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:54:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:54:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:54:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:54:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:54:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:54:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 12:54:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 12:54:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:54:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:54:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:54:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:54:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:54:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:54:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:54:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 12:54:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:54:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:54:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:54:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:54:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:54:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:54:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:54:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 12:54:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 12:54:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:54:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 12:54:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:54:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:54:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:54:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:54:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:54:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:54:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:54:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:54:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:54:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:54:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:54:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:54:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:54:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:54:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:54:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:54:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:54:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:54:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:54:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:54:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:54:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:54:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:54:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:54:48,917 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:54:48,918 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:54:48,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:48 BoogieIcfgContainer [2020-07-21 12:54:48,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:54:48,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:54:48,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:54:48,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:54:48,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:54:46" (1/3) ... [2020-07-21 12:54:48,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c69e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:48, skipping insertion in model container [2020-07-21 12:54:48,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:47" (2/3) ... [2020-07-21 12:54:48,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c69e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:48, skipping insertion in model container [2020-07-21 12:54:48,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:48" (3/3) ... [2020-07-21 12:54:48,938 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-07-21 12:54:48,948 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:54:48,957 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:54:48,972 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:54:48,995 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:54:48,996 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:54:48,996 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:54:48,996 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:54:48,997 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:54:48,997 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:54:48,997 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:54:48,997 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:54:49,020 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2020-07-21 12:54:49,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 12:54:49,031 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:49,033 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 12:54:49,033 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:49,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:49,040 INFO L82 PathProgramCache]: Analyzing trace with hash -304783320, now seen corresponding path program 1 times [2020-07-21 12:54:49,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:49,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833082754] [2020-07-21 12:54:49,050 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 12:54:49,476 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:49,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:49,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:54:49,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:49,539 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 12:54:49,540 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:49,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833082754] [2020-07-21 12:54:49,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:49,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:54:49,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730929554] [2020-07-21 12:54:49,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:54:49,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:49,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:54:49,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:49,567 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 2 states. [2020-07-21 12:54:49,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:49,616 INFO L93 Difference]: Finished difference Result 342 states and 423 transitions. [2020-07-21 12:54:49,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:54:49,618 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 12:54:49,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:49,633 INFO L225 Difference]: With dead ends: 342 [2020-07-21 12:54:49,633 INFO L226 Difference]: Without dead ends: 173 [2020-07-21 12:54:49,638 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 12:54:49,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-21 12:54:49,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2020-07-21 12:54:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-07-21 12:54:49,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2020-07-21 12:54:49,699 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 59 [2020-07-21 12:54:49,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:49,700 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2020-07-21 12:54:49,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:54:49,700 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2020-07-21 12:54:49,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 12:54:49,705 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:49,705 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 12:54:49,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:49,919 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:49,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:49,920 INFO L82 PathProgramCache]: Analyzing trace with hash -511503066, now seen corresponding path program 1 times [2020-07-21 12:54:49,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:49,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192373531] [2020-07-21 12:54:49,922 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 12:54:50,281 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:50,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:50,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:54:50,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:50,333 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 12:54:50,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:50,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192373531] [2020-07-21 12:54:50,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:50,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:50,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892987473] [2020-07-21 12:54:50,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:50,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:50,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:50,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:50,338 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand 3 states. [2020-07-21 12:54:50,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:50,367 INFO L93 Difference]: Finished difference Result 281 states and 333 transitions. [2020-07-21 12:54:50,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:50,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 12:54:50,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:50,372 INFO L225 Difference]: With dead ends: 281 [2020-07-21 12:54:50,372 INFO L226 Difference]: Without dead ends: 164 [2020-07-21 12:54:50,376 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 12:54:50,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-21 12:54:50,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-07-21 12:54:50,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-07-21 12:54:50,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2020-07-21 12:54:50,397 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 60 [2020-07-21 12:54:50,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:50,398 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2020-07-21 12:54:50,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:50,398 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2020-07-21 12:54:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 12:54:50,401 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:50,401 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 12:54:50,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:50,616 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:50,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:50,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1192401668, now seen corresponding path program 1 times [2020-07-21 12:54:50,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:50,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044867813] [2020-07-21 12:54:50,618 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 12:54:50,928 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:50,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:50,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:50,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:50,970 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 12:54:50,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:50,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1044867813] [2020-07-21 12:54:50,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:50,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:50,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919017792] [2020-07-21 12:54:50,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:50,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:50,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:50,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:50,973 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 3 states. [2020-07-21 12:54:51,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:51,011 INFO L93 Difference]: Finished difference Result 432 states and 522 transitions. [2020-07-21 12:54:51,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:51,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 12:54:51,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:51,017 INFO L225 Difference]: With dead ends: 432 [2020-07-21 12:54:51,017 INFO L226 Difference]: Without dead ends: 296 [2020-07-21 12:54:51,019 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 12:54:51,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-07-21 12:54:51,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 290. [2020-07-21 12:54:51,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-21 12:54:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 349 transitions. [2020-07-21 12:54:51,055 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 349 transitions. Word has length 65 [2020-07-21 12:54:51,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:51,056 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 349 transitions. [2020-07-21 12:54:51,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 349 transitions. [2020-07-21 12:54:51,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 12:54:51,060 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:51,060 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:51,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:51,274 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:51,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:51,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1231670033, now seen corresponding path program 1 times [2020-07-21 12:54:51,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:51,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [635005283] [2020-07-21 12:54:51,277 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 12:54:51,663 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:51,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:51,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:51,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:51,723 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 12:54:51,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:51,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [635005283] [2020-07-21 12:54:51,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:51,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:51,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800869559] [2020-07-21 12:54:51,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:51,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:51,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:51,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:51,726 INFO L87 Difference]: Start difference. First operand 290 states and 349 transitions. Second operand 6 states. [2020-07-21 12:54:52,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:52,026 INFO L93 Difference]: Finished difference Result 704 states and 879 transitions. [2020-07-21 12:54:52,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:54:52,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 12:54:52,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:52,031 INFO L225 Difference]: With dead ends: 704 [2020-07-21 12:54:52,032 INFO L226 Difference]: Without dead ends: 442 [2020-07-21 12:54:52,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:54:52,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-07-21 12:54:52,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2020-07-21 12:54:52,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-07-21 12:54:52,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 517 transitions. [2020-07-21 12:54:52,091 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 517 transitions. Word has length 70 [2020-07-21 12:54:52,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:52,093 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 517 transitions. [2020-07-21 12:54:52,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:52,094 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 517 transitions. [2020-07-21 12:54:52,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 12:54:52,099 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:52,100 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:52,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:52,316 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:52,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:52,317 INFO L82 PathProgramCache]: Analyzing trace with hash 853087743, now seen corresponding path program 1 times [2020-07-21 12:54:52,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:52,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307425589] [2020-07-21 12:54:52,319 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 12:54:52,616 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:52,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:52,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:52,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:52,701 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 12:54:52,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:52,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307425589] [2020-07-21 12:54:52,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:52,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:52,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813851832] [2020-07-21 12:54:52,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:52,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:52,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:52,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:52,705 INFO L87 Difference]: Start difference. First operand 432 states and 517 transitions. Second operand 6 states. [2020-07-21 12:54:52,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:52,751 INFO L93 Difference]: Finished difference Result 850 states and 1056 transitions. [2020-07-21 12:54:52,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:54:52,752 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2020-07-21 12:54:52,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:52,755 INFO L225 Difference]: With dead ends: 850 [2020-07-21 12:54:52,756 INFO L226 Difference]: Without dead ends: 446 [2020-07-21 12:54:52,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 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 12:54:52,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-07-21 12:54:52,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 442. [2020-07-21 12:54:52,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-07-21 12:54:52,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 527 transitions. [2020-07-21 12:54:52,784 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 527 transitions. Word has length 113 [2020-07-21 12:54:52,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:52,784 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 527 transitions. [2020-07-21 12:54:52,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:52,785 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 527 transitions. [2020-07-21 12:54:52,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 12:54:52,786 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:52,787 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:53,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:53,001 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:53,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:53,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1502717507, now seen corresponding path program 1 times [2020-07-21 12:54:53,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:53,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392700852] [2020-07-21 12:54:53,004 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 12:54:53,274 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:53,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:53,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:54:53,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:53,309 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 12:54:53,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:53,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392700852] [2020-07-21 12:54:53,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:53,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:54:53,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282206977] [2020-07-21 12:54:53,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:54:53,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:53,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:54:53,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:53,312 INFO L87 Difference]: Start difference. First operand 442 states and 527 transitions. Second operand 5 states. [2020-07-21 12:54:53,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:53,351 INFO L93 Difference]: Finished difference Result 870 states and 1076 transitions. [2020-07-21 12:54:53,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:54:53,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-07-21 12:54:53,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:53,355 INFO L225 Difference]: With dead ends: 870 [2020-07-21 12:54:53,355 INFO L226 Difference]: Without dead ends: 456 [2020-07-21 12:54:53,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 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 12:54:53,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2020-07-21 12:54:53,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 450. [2020-07-21 12:54:53,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-07-21 12:54:53,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 535 transitions. [2020-07-21 12:54:53,381 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 535 transitions. Word has length 113 [2020-07-21 12:54:53,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:53,381 INFO L479 AbstractCegarLoop]: Abstraction has 450 states and 535 transitions. [2020-07-21 12:54:53,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:54:53,382 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 535 transitions. [2020-07-21 12:54:53,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 12:54:53,384 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:53,384 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:53,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:53,598 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:53,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:53,598 INFO L82 PathProgramCache]: Analyzing trace with hash -733547492, now seen corresponding path program 1 times [2020-07-21 12:54:53,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:53,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695781672] [2020-07-21 12:54:53,599 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 12:54:53,780 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 12:54:53,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:53,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:54:53,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:53,846 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 12:54:53,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:53,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695781672] [2020-07-21 12:54:53,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:53,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:53,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374440689] [2020-07-21 12:54:53,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:53,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:53,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:53,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:53,849 INFO L87 Difference]: Start difference. First operand 450 states and 535 transitions. Second operand 3 states. [2020-07-21 12:54:53,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:53,908 INFO L93 Difference]: Finished difference Result 1218 states and 1533 transitions. [2020-07-21 12:54:53,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:53,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-07-21 12:54:53,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:53,915 INFO L225 Difference]: With dead ends: 1218 [2020-07-21 12:54:53,915 INFO L226 Difference]: Without dead ends: 796 [2020-07-21 12:54:53,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 110 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 12:54:53,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-07-21 12:54:53,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 793. [2020-07-21 12:54:53,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2020-07-21 12:54:53,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 972 transitions. [2020-07-21 12:54:53,974 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 972 transitions. Word has length 113 [2020-07-21 12:54:53,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:53,975 INFO L479 AbstractCegarLoop]: Abstraction has 793 states and 972 transitions. [2020-07-21 12:54:53,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:53,975 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 972 transitions. [2020-07-21 12:54:53,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-21 12:54:53,977 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:53,978 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:54,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:54,191 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:54,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:54,192 INFO L82 PathProgramCache]: Analyzing trace with hash 216342370, now seen corresponding path program 1 times [2020-07-21 12:54:54,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:54,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [657144788] [2020-07-21 12:54:54,193 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 12:54:54,478 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:54,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:54,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 12:54:54,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:54,601 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 12:54:54,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:54,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [657144788] [2020-07-21 12:54:54,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:54,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 12:54:54,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567041197] [2020-07-21 12:54:54,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:54,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:54,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:54,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:54,604 INFO L87 Difference]: Start difference. First operand 793 states and 972 transitions. Second operand 10 states. [2020-07-21 12:54:56,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:56,561 INFO L93 Difference]: Finished difference Result 2270 states and 3119 transitions. [2020-07-21 12:54:56,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 12:54:56,562 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 117 [2020-07-21 12:54:56,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:56,576 INFO L225 Difference]: With dead ends: 2270 [2020-07-21 12:54:56,576 INFO L226 Difference]: Without dead ends: 1505 [2020-07-21 12:54:56,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-21 12:54:56,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2020-07-21 12:54:56,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1130. [2020-07-21 12:54:56,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1130 states. [2020-07-21 12:54:56,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1387 transitions. [2020-07-21 12:54:56,673 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1387 transitions. Word has length 117 [2020-07-21 12:54:56,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:56,674 INFO L479 AbstractCegarLoop]: Abstraction has 1130 states and 1387 transitions. [2020-07-21 12:54:56,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:56,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1387 transitions. [2020-07-21 12:54:56,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-21 12:54:56,680 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:56,680 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:54:56,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:56,894 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:56,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:56,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1999881567, now seen corresponding path program 1 times [2020-07-21 12:54:56,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:56,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038335218] [2020-07-21 12:54:56,897 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 12:54:57,134 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 12:54:57,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:57,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 12:54:57,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:57,196 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 12:54:57,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:57,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038335218] [2020-07-21 12:54:57,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:57,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:57,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664688948] [2020-07-21 12:54:57,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:57,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:57,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:57,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:57,199 INFO L87 Difference]: Start difference. First operand 1130 states and 1387 transitions. Second operand 3 states. [2020-07-21 12:54:57,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:57,308 INFO L93 Difference]: Finished difference Result 1886 states and 2314 transitions. [2020-07-21 12:54:57,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:57,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-07-21 12:54:57,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:57,314 INFO L225 Difference]: With dead ends: 1886 [2020-07-21 12:54:57,314 INFO L226 Difference]: Without dead ends: 784 [2020-07-21 12:54:57,320 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 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 12:54:57,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2020-07-21 12:54:57,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 764. [2020-07-21 12:54:57,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2020-07-21 12:54:57,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 916 transitions. [2020-07-21 12:54:57,379 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 916 transitions. Word has length 158 [2020-07-21 12:54:57,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:57,379 INFO L479 AbstractCegarLoop]: Abstraction has 764 states and 916 transitions. [2020-07-21 12:54:57,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:57,380 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 916 transitions. [2020-07-21 12:54:57,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-21 12:54:57,383 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:57,384 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:57,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:57,597 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:57,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:57,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1963590153, now seen corresponding path program 1 times [2020-07-21 12:54:57,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:57,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923625534] [2020-07-21 12:54:57,599 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:57,875 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:57,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:57,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:57,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:57,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:54:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-21 12:54:58,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923625534] [2020-07-21 12:54:58,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:54:58,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 12:54:58,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978449983] [2020-07-21 12:54:58,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:58,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:58,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:58,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:58,548 INFO L87 Difference]: Start difference. First operand 764 states and 916 transitions. Second operand 10 states. [2020-07-21 12:54:59,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:59,687 INFO L93 Difference]: Finished difference Result 1677 states and 2027 transitions. [2020-07-21 12:54:59,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 12:54:59,688 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-07-21 12:54:59,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:59,689 INFO L225 Difference]: With dead ends: 1677 [2020-07-21 12:54:59,690 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:54:59,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 377 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 12:54:59,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:54:59,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:54:59,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:54:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:54:59,699 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2020-07-21 12:54:59,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:59,699 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:54:59,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:59,700 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:54:59,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:54:59,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:59,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:55:01,772 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 45 [2020-07-21 12:55:02,165 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-07-21 12:55:02,327 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-21 12:55:02,766 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-21 12:55:03,128 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-21 12:55:03,291 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 12:55:03,439 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-07-21 12:55:03,742 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-07-21 12:55:04,120 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-21 12:55:04,722 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-21 12:55:04,866 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2020-07-21 12:55:05,310 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 12:55:05,442 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-21 12:55:05,603 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-07-21 12:55:05,843 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2020-07-21 12:55:06,100 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2020-07-21 12:55:06,136 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-21 12:55:06,136 INFO L268 CegarLoopResult]: For program point L765-2(lines 765 786) no Hoare annotation was computed. [2020-07-21 12:55:06,136 INFO L268 CegarLoopResult]: For program point L787(lines 764 788) no Hoare annotation was computed. [2020-07-21 12:55:06,136 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 740 795) no Hoare annotation was computed. [2020-07-21 12:55:06,136 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 740 795) no Hoare annotation was computed. [2020-07-21 12:55:06,137 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-21 12:55:06,137 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 740 795) no Hoare annotation was computed. [2020-07-21 12:55:06,137 INFO L268 CegarLoopResult]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2020-07-21 12:55:06,137 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-07-21 12:55:06,137 INFO L268 CegarLoopResult]: For program point L828-1(lines 828 832) no Hoare annotation was computed. [2020-07-21 12:55:06,137 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-21 12:55:06,138 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 796 855) no Hoare annotation was computed. [2020-07-21 12:55:06,138 INFO L268 CegarLoopResult]: For program point L822-2(lines 822 847) no Hoare annotation was computed. [2020-07-21 12:55:06,138 INFO L268 CegarLoopResult]: For program point L848(lines 821 849) no Hoare annotation was computed. [2020-07-21 12:55:06,138 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 796 855) no Hoare annotation was computed. [2020-07-21 12:55:06,139 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 796 855) no Hoare annotation was computed. [2020-07-21 12:55:06,139 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-21 12:55:06,139 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-21 12:55:06,139 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 671 677) the Hoare annotation is: true [2020-07-21 12:55:06,139 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 671 677) no Hoare annotation was computed. [2020-07-21 12:55:06,140 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 678 686) no Hoare annotation was computed. [2020-07-21 12:55:06,140 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 678 686) the Hoare annotation is: true [2020-07-21 12:55:06,140 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 678 686) no Hoare annotation was computed. [2020-07-21 12:55:06,140 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2020-07-21 12:55:06,140 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-21 12:55:06,140 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-21 12:55:06,140 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-21 12:55:06,140 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-21 12:55:06,141 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-21 12:55:06,141 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-21 12:55:06,141 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-21 12:55:06,141 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-21 12:55:06,141 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-21 12:55:06,141 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-21 12:55:06,141 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-21 12:55:06,141 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 12:55:06,141 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-21 12:55:06,141 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-21 12:55:06,142 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-21 12:55:06,142 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-21 12:55:06,142 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-21 12:55:06,142 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 620 642) 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 12:55:06,142 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 620 642) no Hoare annotation was computed. [2020-07-21 12:55:06,142 INFO L264 CegarLoopResult]: At program point L632(line 632) 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 12:55:06,142 INFO L264 CegarLoopResult]: At program point L632-1(line 632) 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 12:55:06,142 INFO L268 CegarLoopResult]: For program point L630(lines 630 637) no Hoare annotation was computed. [2020-07-21 12:55:06,142 INFO L268 CegarLoopResult]: For program point L630-1(lines 630 637) no Hoare annotation was computed. [2020-07-21 12:55:06,143 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-07-21 12:55:06,143 INFO L264 CegarLoopResult]: At program point L627(line 627) 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 12:55:06,143 INFO L264 CegarLoopResult]: At program point L626(line 626) 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 12:55:06,143 INFO L264 CegarLoopResult]: At program point L626-1(line 626) 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 12:55:06,143 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 620 642) no Hoare annotation was computed. [2020-07-21 12:55:06,143 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 575 598) no Hoare annotation was computed. [2020-07-21 12:55:06,143 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 575 598) no Hoare annotation was computed. [2020-07-21 12:55:06,144 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 575 598) no Hoare annotation was computed. [2020-07-21 12:55:06,144 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-21 12:55:06,144 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 12:55:06,144 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-21 12:55:06,144 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-21 12:55:06,144 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 12:55:06,144 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-21 12:55:06,144 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-21 12:55:06,145 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 12:55:06,145 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-07-21 12:55:06,145 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-21 12:55:06,145 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 12:55:06,145 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-07-21 12:55:06,145 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-21 12:55:06,145 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 12:55:06,145 INFO L268 CegarLoopResult]: For program point L258-1(lines 239 263) no Hoare annotation was computed. [2020-07-21 12:55:06,146 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:55:06,146 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:55:06,146 INFO L268 CegarLoopResult]: For program point L247(lines 247 255) no Hoare annotation was computed. [2020-07-21 12:55:06,146 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:55:06,146 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-21 12:55:06,146 INFO L268 CegarLoopResult]: For program point L243(lines 243 260) no Hoare annotation was computed. [2020-07-21 12:55:06,147 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 239 263) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:55:06,147 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 239 263) no Hoare annotation was computed. [2020-07-21 12:55:06,147 INFO L264 CegarLoopResult]: At program point L258(line 258) 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 12:55:06,147 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 417 431) no Hoare annotation was computed. [2020-07-21 12:55:06,147 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 12:55:06,148 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 417 431) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 12:55:06,148 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-07-21 12:55:06,148 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 417 431) no Hoare annotation was computed. [2020-07-21 12:55:06,148 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 334 342) no Hoare annotation was computed. [2020-07-21 12:55:06,148 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 334 342) the Hoare annotation is: true [2020-07-21 12:55:06,148 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 334 342) no Hoare annotation was computed. [2020-07-21 12:55:06,148 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 398 416) the Hoare annotation is: true [2020-07-21 12:55:06,148 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-07-21 12:55:06,149 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 398 416) no Hoare annotation was computed. [2020-07-21 12:55:06,149 INFO L271 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: true [2020-07-21 12:55:06,149 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 411) no Hoare annotation was computed. [2020-07-21 12:55:06,149 INFO L268 CegarLoopResult]: For program point L405-1(line 405) no Hoare annotation was computed. [2020-07-21 12:55:06,149 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 398 416) no Hoare annotation was computed. [2020-07-21 12:55:06,149 INFO L268 CegarLoopResult]: For program point L350(lines 350 358) no Hoare annotation was computed. [2020-07-21 12:55:06,149 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 358) no Hoare annotation was computed. [2020-07-21 12:55:06,149 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-07-21 12:55:06,149 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-21 12:55:06,150 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 343 378) no Hoare annotation was computed. [2020-07-21 12:55:06,150 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-07-21 12:55:06,150 INFO L268 CegarLoopResult]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2020-07-21 12:55:06,150 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 343 378) no Hoare annotation was computed. [2020-07-21 12:55:06,150 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 343 378) no Hoare annotation was computed. [2020-07-21 12:55:06,150 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 664 670) no Hoare annotation was computed. [2020-07-21 12:55:06,150 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 664 670) the Hoare annotation is: true [2020-07-21 12:55:06,150 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 694 739) no Hoare annotation was computed. [2020-07-21 12:55:06,151 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 694 739) no Hoare annotation was computed. [2020-07-21 12:55:06,151 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 694 739) no Hoare annotation was computed. [2020-07-21 12:55:06,151 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1041) no Hoare annotation was computed. [2020-07-21 12:55:06,151 INFO L268 CegarLoopResult]: For program point L1021-1(lines 1021 1041) no Hoare annotation was computed. [2020-07-21 12:55:06,151 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 1007 1052) no Hoare annotation was computed. [2020-07-21 12:55:06,151 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 1007 1052) no Hoare annotation was computed. [2020-07-21 12:55:06,151 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 1007 1052) no Hoare annotation was computed. [2020-07-21 12:55:06,151 INFO L268 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-07-21 12:55:06,152 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 606 616) 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 12:55:06,152 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 606 616) no Hoare annotation was computed. [2020-07-21 12:55:06,152 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 606 616) no Hoare annotation was computed. [2020-07-21 12:55:06,152 INFO L264 CegarLoopResult]: At program point L611(line 611) 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 12:55:06,152 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 323 333) the Hoare annotation is: true [2020-07-21 12:55:06,152 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 323 333) no Hoare annotation was computed. [2020-07-21 12:55:06,152 INFO L271 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: true [2020-07-21 12:55:06,152 INFO L268 CegarLoopResult]: For program point L328-1(line 328) no Hoare annotation was computed. [2020-07-21 12:55:06,153 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 323 333) no Hoare annotation was computed. [2020-07-21 12:55:06,153 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 315 322) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-21 12:55:06,153 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 315 322) no Hoare annotation was computed. [2020-07-21 12:55:06,153 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 315 322) no Hoare annotation was computed. [2020-07-21 12:55:06,153 INFO L268 CegarLoopResult]: For program point L524(lines 524 530) no Hoare annotation was computed. [2020-07-21 12:55:06,153 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 520 533) no Hoare annotation was computed. [2020-07-21 12:55:06,153 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 520 533) the Hoare annotation is: true [2020-07-21 12:55:06,154 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 520 533) no Hoare annotation was computed. [2020-07-21 12:55:06,154 INFO L264 CegarLoopResult]: At program point L284(line 284) 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 12:55:06,154 INFO L268 CegarLoopResult]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2020-07-21 12:55:06,154 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:55:06,154 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 265 289) no Hoare annotation was computed. [2020-07-21 12:55:06,154 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 265 289) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:55:06,155 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:55:06,155 INFO L268 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-07-21 12:55:06,155 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:55:06,155 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-21 12:55:06,155 INFO L268 CegarLoopResult]: For program point L269(lines 269 286) no Hoare annotation was computed. [2020-07-21 12:55:06,155 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 205 211) no Hoare annotation was computed. [2020-07-21 12:55:06,155 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 205 211) the Hoare annotation is: true [2020-07-21 12:55:06,156 INFO L268 CegarLoopResult]: For program point L128(lines 128 134) no Hoare annotation was computed. [2020-07-21 12:55:06,156 INFO L264 CegarLoopResult]: At program point testENTRY(lines 98 165) 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 12:55:06,156 INFO L268 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2020-07-21 12:55:06,156 INFO L264 CegarLoopResult]: At program point L155(lines 108 157) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:55:06,156 INFO L264 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:55:06,156 INFO L268 CegarLoopResult]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2020-07-21 12:55:06,157 INFO L268 CegarLoopResult]: For program point L118(lines 118 124) no Hoare annotation was computed. [2020-07-21 12:55:06,157 INFO L268 CegarLoopResult]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2020-07-21 12:55:06,157 INFO L268 CegarLoopResult]: For program point L110(lines 110 114) no Hoare annotation was computed. [2020-07-21 12:55:06,157 INFO L264 CegarLoopResult]: At program point L158(lines 107 159) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:55:06,157 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:55:06,157 INFO L268 CegarLoopResult]: For program point L146(lines 146 152) no Hoare annotation was computed. [2020-07-21 12:55:06,158 INFO L264 CegarLoopResult]: At program point L146-1(lines 138 153) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:55:06,158 INFO L268 CegarLoopResult]: For program point L109(lines 108 157) no Hoare annotation was computed. [2020-07-21 12:55:06,158 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:55:06,158 INFO L268 CegarLoopResult]: For program point L138(lines 138 153) no Hoare annotation was computed. [2020-07-21 12:55:06,158 INFO L268 CegarLoopResult]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2020-07-21 12:55:06,158 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:55:06,158 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 961 1006) no Hoare annotation was computed. [2020-07-21 12:55:06,159 INFO L268 CegarLoopResult]: For program point L981(lines 981 988) no Hoare annotation was computed. [2020-07-21 12:55:06,159 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 961 1006) no Hoare annotation was computed. [2020-07-21 12:55:06,159 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 961 1006) no Hoare annotation was computed. [2020-07-21 12:55:06,159 INFO L268 CegarLoopResult]: For program point L975(lines 975 995) no Hoare annotation was computed. [2020-07-21 12:55:06,159 INFO L268 CegarLoopResult]: For program point L975-1(lines 975 995) no Hoare annotation was computed. [2020-07-21 12:55:06,159 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 290 297) 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 12:55:06,159 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 290 297) no Hoare annotation was computed. [2020-07-21 12:55:06,160 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 290 297) no Hoare annotation was computed. [2020-07-21 12:55:06,160 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 534 542) no Hoare annotation was computed. [2020-07-21 12:55:06,160 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 534 542) the Hoare annotation is: true [2020-07-21 12:55:06,160 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 534 542) no Hoare annotation was computed. [2020-07-21 12:55:06,160 INFO L268 CegarLoopResult]: For program point L496(lines 496 504) no Hoare annotation was computed. [2020-07-21 12:55:06,160 INFO L268 CegarLoopResult]: For program point L496-2(lines 496 504) no Hoare annotation was computed. [2020-07-21 12:55:06,160 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-21 12:55:06,160 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 488 510) no Hoare annotation was computed. [2020-07-21 12:55:06,160 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-21 12:55:06,161 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 654 663) no Hoare annotation was computed. [2020-07-21 12:55:06,161 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 654 663) no Hoare annotation was computed. [2020-07-21 12:55:06,161 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 654 663) no Hoare annotation was computed. [2020-07-21 12:55:06,161 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 858 960) no Hoare annotation was computed. [2020-07-21 12:55:06,161 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-21 12:55:06,161 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-07-21 12:55:06,161 INFO L268 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2020-07-21 12:55:06,161 INFO L268 CegarLoopResult]: For program point L946(lines 946 957) no Hoare annotation was computed. [2020-07-21 12:55:06,162 INFO L268 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2020-07-21 12:55:06,162 INFO L268 CegarLoopResult]: For program point L907-2(lines 907 927) no Hoare annotation was computed. [2020-07-21 12:55:06,162 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 858 960) no Hoare annotation was computed. [2020-07-21 12:55:06,162 INFO L268 CegarLoopResult]: For program point L928(lines 906 929) no Hoare annotation was computed. [2020-07-21 12:55:06,162 INFO L268 CegarLoopResult]: For program point L887(lines 887 903) no Hoare annotation was computed. [2020-07-21 12:55:06,162 INFO L268 CegarLoopResult]: For program point L947(lines 947 954) no Hoare annotation was computed. [2020-07-21 12:55:06,162 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 858 960) no Hoare annotation was computed. [2020-07-21 12:55:06,162 INFO L268 CegarLoopResult]: For program point L908(lines 907 927) no Hoare annotation was computed. [2020-07-21 12:55:06,162 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-21 12:55:06,162 INFO L268 CegarLoopResult]: For program point L939-1(line 939) no Hoare annotation was computed. [2020-07-21 12:55:06,163 INFO L268 CegarLoopResult]: For program point L904(lines 904 945) no Hoare annotation was computed. [2020-07-21 12:55:06,163 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:55:06,163 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-21 12:55:06,163 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:55:06,163 INFO L268 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-07-21 12:55:06,163 INFO L264 CegarLoopResult]: At program point L303(line 303) 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 12:55:06,163 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-07-21 12:55:06,163 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 298 314) no Hoare annotation was computed. [2020-07-21 12:55:06,164 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 298 314) 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 12:55:06,164 INFO L264 CegarLoopResult]: At program point L309(line 309) 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 12:55:06,164 INFO L268 CegarLoopResult]: For program point L309-1(lines 298 314) no Hoare annotation was computed. [2020-07-21 12:55:06,164 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 511 519) the Hoare annotation is: true [2020-07-21 12:55:06,164 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 511 519) no Hoare annotation was computed. [2020-07-21 12:55:06,164 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 511 519) no Hoare annotation was computed. [2020-07-21 12:55:06,164 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-21 12:55:06,164 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 379 397) no Hoare annotation was computed. [2020-07-21 12:55:06,164 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 379 397) the Hoare annotation is: true [2020-07-21 12:55:06,165 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 379 397) no Hoare annotation was computed. [2020-07-21 12:55:06,165 INFO L268 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-07-21 12:55:06,165 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-21 12:55:06,165 INFO L268 CegarLoopResult]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2020-07-21 12:55:06,165 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 467 478) the Hoare annotation is: true [2020-07-21 12:55:06,165 INFO L268 CegarLoopResult]: For program point L471-1(lines 467 478) no Hoare annotation was computed. [2020-07-21 12:55:06,165 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 467 478) no Hoare annotation was computed. [2020-07-21 12:55:06,165 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:55:06,165 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:55:06,166 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:55:06,166 INFO L264 CegarLoopResult]: At program point L192(lines 192 198) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse11 .cse12 (<= 1 ~switchedOnBeforeTS~0) .cse14)) (.cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse11 .cse14 .cse13)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse11 .cse12)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse7 .cse8) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse9 .cse4 .cse5 .cse6 .cse7) (or .cse9 .cse4 .cse1 .cse3) (or .cse10 .cse0 .cse1 .cse2 .cse8) (or .cse4 (and .cse10 .cse11 .cse12) .cse1 (and .cse10 .cse11 .cse13) .cse2 .cse8)))) [2020-07-21 12:55:06,166 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 12:55:06,166 INFO L268 CegarLoopResult]: For program point L185(lines 181 203) no Hoare annotation was computed. [2020-07-21 12:55:06,166 INFO L268 CegarLoopResult]: For program point L183(lines 181 203) no Hoare annotation was computed. [2020-07-21 12:55:06,167 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 178 204) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse10 (and .cse7 .cse11)) (or .cse0 .cse4 .cse10 .cse2 .cse3) (or .cse9 .cse10 (and .cse4 .cse5 .cse11) .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse10) (or .cse0 .cse12 .cse10 .cse13 .cse2) (or .cse12 .cse9 .cse10 .cse13 .cse2) (or .cse0 .cse10 (and .cse5 .cse11) .cse2))) [2020-07-21 12:55:06,167 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 178 204) no Hoare annotation was computed. [2020-07-21 12:55:06,167 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 178 204) no Hoare annotation was computed. [2020-07-21 12:55:06,167 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-21 12:55:06,167 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 545 574) no Hoare annotation was computed. [2020-07-21 12:55:06,167 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 545 574) the Hoare annotation is: true [2020-07-21 12:55:06,167 INFO L271 CegarLoopResult]: At program point L570(lines 545 574) the Hoare annotation is: true [2020-07-21 12:55:06,167 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-21 12:55:06,168 INFO L268 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-07-21 12:55:06,168 INFO L271 CegarLoopResult]: At program point L559-1(lines 559 563) the Hoare annotation is: true [2020-07-21 12:55:06,168 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 12:55:06,168 INFO L271 CegarLoopResult]: At program point L555-2(lines 555 569) the Hoare annotation is: true [2020-07-21 12:55:06,168 INFO L271 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: true [2020-07-21 12:55:06,168 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-07-21 12:55:06,168 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 479 487) the Hoare annotation is: true [2020-07-21 12:55:06,168 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 479 487) no Hoare annotation was computed. [2020-07-21 12:55:06,168 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 479 487) no Hoare annotation was computed. [2020-07-21 12:55:06,169 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 443 454) 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 12:55:06,169 INFO L268 CegarLoopResult]: For program point L447-1(lines 443 454) no Hoare annotation was computed. [2020-07-21 12:55:06,169 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 443 454) no Hoare annotation was computed. [2020-07-21 12:55:06,169 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 599 605) no Hoare annotation was computed. [2020-07-21 12:55:06,169 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 599 605) the Hoare annotation is: true [2020-07-21 12:55:06,169 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:55:06,169 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 12:55:06,169 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:55:06,169 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:55:06,170 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 432 439) no Hoare annotation was computed. [2020-07-21 12:55:06,170 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 432 439) the Hoare annotation is: true [2020-07-21 12:55:06,170 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 432 439) no Hoare annotation was computed. [2020-07-21 12:55:06,170 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 213 237) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:55:06,170 INFO L264 CegarLoopResult]: At program point L223(line 223) 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 12:55:06,170 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-07-21 12:55:06,170 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 213 237) no Hoare annotation was computed. [2020-07-21 12:55:06,171 INFO L264 CegarLoopResult]: At program point L219(line 219) 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 12:55:06,171 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-07-21 12:55:06,171 INFO L268 CegarLoopResult]: For program point L217(lines 217 234) no Hoare annotation was computed. [2020-07-21 12:55:06,171 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:55:06,171 INFO L268 CegarLoopResult]: For program point L232-1(lines 213 237) no Hoare annotation was computed. [2020-07-21 12:55:06,171 INFO L264 CegarLoopResult]: At program point L227(line 227) 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 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:55:06,171 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 455 466) no Hoare annotation was computed. [2020-07-21 12:55:06,171 INFO L268 CegarLoopResult]: For program point L459-1(lines 455 466) no Hoare annotation was computed. [2020-07-21 12:55:06,172 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 455 466) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse0 .cse2 .cse8 .cse4) (or .cse6 .cse5 .cse7 .cse3))) [2020-07-21 12:55:06,172 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 644 651) no Hoare annotation was computed. [2020-07-21 12:55:06,172 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2020-07-21 12:55:06,172 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 644 651) the Hoare annotation is: true [2020-07-21 12:55:06,172 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 644 651) no Hoare annotation was computed. [2020-07-21 12:55:06,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:55:06 BoogieIcfgContainer [2020-07-21 12:55:06,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:55:06,193 INFO L168 Benchmark]: Toolchain (without parser) took 19318.36 ms. Allocated memory was 135.3 MB in the beginning and 460.3 MB in the end (delta: 325.1 MB). Free memory was 98.9 MB in the beginning and 149.0 MB in the end (delta: -50.1 MB). Peak memory consumption was 348.8 MB. Max. memory is 7.1 GB. [2020-07-21 12:55:06,194 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 135.3 MB. Free memory was 117.9 MB in the beginning and 117.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:55:06,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.51 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 98.5 MB in the beginning and 169.0 MB in the end (delta: -70.5 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:55:06,195 INFO L168 Benchmark]: Boogie Preprocessor took 94.16 ms. Allocated memory is still 200.3 MB. Free memory was 168.2 MB in the beginning and 164.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:55:06,196 INFO L168 Benchmark]: RCFGBuilder took 1191.65 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 163.8 MB in the beginning and 189.4 MB in the end (delta: -25.5 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:55:06,197 INFO L168 Benchmark]: TraceAbstraction took 17262.10 ms. Allocated memory was 226.0 MB in the beginning and 460.3 MB in the end (delta: 234.4 MB). Free memory was 189.4 MB in the beginning and 149.0 MB in the end (delta: 40.4 MB). Peak memory consumption was 348.6 MB. Max. memory is 7.1 GB. [2020-07-21 12:55:06,201 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 135.3 MB. Free memory was 117.9 MB in the beginning and 117.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 761.51 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 98.5 MB in the beginning and 169.0 MB in the end (delta: -70.5 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.16 ms. Allocated memory is still 200.3 MB. Free memory was 168.2 MB in the beginning and 164.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1191.65 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 163.8 MB in the beginning and 189.4 MB in the end (delta: -25.5 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17262.10 ms. Allocated memory was 226.0 MB in the beginning and 460.3 MB in the end (delta: 234.4 MB). Free memory was 189.4 MB in the beginning and 149.0 MB in the end (delta: 40.4 MB). Peak memory consumption was 348.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 648]: 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: 108]: 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)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 272 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.9s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2364 SDtfs, 1364 SDslu, 4165 SDs, 0 SdLazy, 2149 SolverSat, 517 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1271 GetRequests, 1212 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1130occurred 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: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 424 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 77 LocationsWithAnnotation, 2302 PreInvPairs, 2419 NumberOfFragments, 2390 HoareAnnotationTreeSize, 2302 FomulaSimplifications, 3358 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 77 FomulaSimplificationsInter, 10078 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1063 NumberOfCodeBlocks, 928 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1247 ConstructedInterpolants, 0 QuantifiedInterpolants, 304255 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7888 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 142/168 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...