/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 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:04:32,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:04:32,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:04:32,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:04:32,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:04:32,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:04:32,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:04:32,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:04:32,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:04:32,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:04:32,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:04:32,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:04:32,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:04:32,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:04:32,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:04:32,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:04:32,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:04:32,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:04:32,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:04:32,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:04:32,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:04:32,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:04:32,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:04:32,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:04:32,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:04:32,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:04:32,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:04:32,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:04:32,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:04:32,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:04:32,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:04:32,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:04:32,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:04:32,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:04:32,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:04:32,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:04:32,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:04:32,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:04:32,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:04:32,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:04:32,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:04:32,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 13:04:32,620 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:04:32,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:04:32,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:04:32,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:04:32,622 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:04:32,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:04:32,623 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:04:32,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:04:32,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:04:32,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:04:32,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:04:32,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:04:32,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:04:32,624 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:04:32,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:04:32,624 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:04:32,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:04:32,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:04:32,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:04:32,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:04:32,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:04:32,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:04:32,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:04:32,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:04:32,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:04:32,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:04:32,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:32,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:04:32,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:04:32,627 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 -> 4 [2020-07-20 13:04:32,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:04:32,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:04:32,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:04:32,949 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:04:32,949 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:04:32,950 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-07-20 13:04:33,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8018635bf/a94c3d8e40f74b39ad2e17b71f47943d/FLAG311a94c84 [2020-07-20 13:04:33,544 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:04:33,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-07-20 13:04:33,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8018635bf/a94c3d8e40f74b39ad2e17b71f47943d/FLAG311a94c84 [2020-07-20 13:04:33,854 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8018635bf/a94c3d8e40f74b39ad2e17b71f47943d [2020-07-20 13:04:33,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:04:33,865 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:04:33,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:04:33,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:04:33,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:04:33,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:33" (1/1) ... [2020-07-20 13:04:33,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd1c41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:33, skipping insertion in model container [2020-07-20 13:04:33,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:33" (1/1) ... [2020-07-20 13:04:33,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:04:33,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:04:34,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:04:34,262 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:04:34,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:04:34,516 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:04:34,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:34 WrapperNode [2020-07-20 13:04:34,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:04:34,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:04:34,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:04:34,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:04:34,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:34" (1/1) ... [2020-07-20 13:04:34,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:34" (1/1) ... [2020-07-20 13:04:34,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:34" (1/1) ... [2020-07-20 13:04:34,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:34" (1/1) ... [2020-07-20 13:04:34,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:34" (1/1) ... [2020-07-20 13:04:34,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:34" (1/1) ... [2020-07-20 13:04:34,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:34" (1/1) ... [2020-07-20 13:04:34,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:04:34,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:04:34,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:04:34,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:04:34,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:04:34,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:04:34,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:04:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:04:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:04:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:04:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:04:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:04:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:04:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:04:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:04:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:04:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:04:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:04:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:04:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:04:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:04:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:04:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:04:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:04:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:04:34,680 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:04:34,680 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:04:34,680 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:04:34,680 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:04:34,680 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:04:34,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:04:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:04:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:04:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:04:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:04:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:04:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:04:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:04:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:04:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:04:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:04:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:04:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:04:34,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:04:34,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:04:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:04:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:04:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:04:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:04:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:04:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:04:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:04:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:04:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:04:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:04:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:04:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:04:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:04:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:04:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:04:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:04:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:04:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:04:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:04:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:04:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:04:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:04:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:04:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:04:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:04:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:04:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:04:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:04:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:04:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:04:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:04:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:04:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:04:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:04:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:04:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:04:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:04:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:04:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:04:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:04:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:04:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:04:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:04:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:04:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:04:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:04:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:04:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:04:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:04:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:04:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:04:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:04:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:04:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:04:35,725 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:04:35,725 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:04:35,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:35 BoogieIcfgContainer [2020-07-20 13:04:35,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:04:35,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:04:35,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:04:35,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:04:35,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:33" (1/3) ... [2020-07-20 13:04:35,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484c30c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:35, skipping insertion in model container [2020-07-20 13:04:35,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:34" (2/3) ... [2020-07-20 13:04:35,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484c30c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:35, skipping insertion in model container [2020-07-20 13:04:35,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:35" (3/3) ... [2020-07-20 13:04:35,739 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2020-07-20 13:04:35,750 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:04:35,758 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:04:35,772 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:04:35,796 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:04:35,797 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:04:35,797 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:04:35,797 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:04:35,797 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:04:35,798 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:04:35,798 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:04:35,798 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:04:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-07-20 13:04:35,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 13:04:35,832 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:35,833 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] [2020-07-20 13:04:35,833 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:35,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:35,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1869542645, now seen corresponding path program 1 times [2020-07-20 13:04:35,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:35,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020486813] [2020-07-20 13:04:35,849 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:36,395 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:36,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:36,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:04:36,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:04:36,451 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:36,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020486813] [2020-07-20 13:04:36,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:36,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:04:36,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058644966] [2020-07-20 13:04:36,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:04:36,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:36,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:04:36,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:04:36,479 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2020-07-20 13:04:36,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:36,525 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2020-07-20 13:04:36,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:04:36,527 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 13:04:36,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:36,540 INFO L225 Difference]: With dead ends: 268 [2020-07-20 13:04:36,541 INFO L226 Difference]: Without dead ends: 136 [2020-07-20 13:04:36,546 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 [2020-07-20 13:04:36,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-07-20 13:04:36,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-07-20 13:04:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-20 13:04:36,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2020-07-20 13:04:36,604 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2020-07-20 13:04:36,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:36,605 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2020-07-20 13:04:36,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:04:36,605 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2020-07-20 13:04:36,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 13:04:36,610 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:36,610 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] [2020-07-20 13:04:36,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:36,826 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:36,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:36,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1007263159, now seen corresponding path program 1 times [2020-07-20 13:04:36,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:36,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1446340286] [2020-07-20 13:04:36,829 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:37,307 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:37,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:37,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:04:37,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:37,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:04:37,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:37,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1446340286] [2020-07-20 13:04:37,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:37,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:37,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021103148] [2020-07-20 13:04:37,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:37,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:37,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:37,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:37,369 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 3 states. [2020-07-20 13:04:37,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:37,408 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2020-07-20 13:04:37,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:37,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 13:04:37,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:37,413 INFO L225 Difference]: With dead ends: 217 [2020-07-20 13:04:37,413 INFO L226 Difference]: Without dead ends: 127 [2020-07-20 13:04:37,417 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 [2020-07-20 13:04:37,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-20 13:04:37,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-07-20 13:04:37,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-20 13:04:37,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2020-07-20 13:04:37,437 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 60 [2020-07-20 13:04:37,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:37,438 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2020-07-20 13:04:37,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:37,438 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2020-07-20 13:04:37,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 13:04:37,446 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:37,446 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] [2020-07-20 13:04:37,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:37,650 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:37,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:37,651 INFO L82 PathProgramCache]: Analyzing trace with hash -706056489, now seen corresponding path program 1 times [2020-07-20 13:04:37,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:37,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2121072106] [2020-07-20 13:04:37,652 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:38,070 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:38,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:38,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:04:38,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:38,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:38,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:38,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2121072106] [2020-07-20 13:04:38,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:38,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:38,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230525301] [2020-07-20 13:04:38,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:38,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:38,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:38,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:38,105 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 3 states. [2020-07-20 13:04:38,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:38,121 INFO L93 Difference]: Finished difference Result 226 states and 267 transitions. [2020-07-20 13:04:38,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:38,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 13:04:38,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:38,124 INFO L225 Difference]: With dead ends: 226 [2020-07-20 13:04:38,124 INFO L226 Difference]: Without dead ends: 127 [2020-07-20 13:04:38,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:38,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-20 13:04:38,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-07-20 13:04:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-20 13:04:38,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2020-07-20 13:04:38,138 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 64 [2020-07-20 13:04:38,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:38,140 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2020-07-20 13:04:38,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:38,140 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2020-07-20 13:04:38,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-20 13:04:38,143 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:38,143 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] [2020-07-20 13:04:38,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:38,357 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:38,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:38,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1588822882, now seen corresponding path program 1 times [2020-07-20 13:04:38,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:38,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [704339423] [2020-07-20 13:04:38,359 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:38,752 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:38,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:38,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:04:38,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:38,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:38,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:38,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [704339423] [2020-07-20 13:04:38,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:38,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:38,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330237242] [2020-07-20 13:04:38,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:38,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:38,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:38,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:38,812 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 6 states. [2020-07-20 13:04:39,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:39,391 INFO L93 Difference]: Finished difference Result 308 states and 373 transitions. [2020-07-20 13:04:39,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:04:39,392 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2020-07-20 13:04:39,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:39,395 INFO L225 Difference]: With dead ends: 308 [2020-07-20 13:04:39,395 INFO L226 Difference]: Without dead ends: 209 [2020-07-20 13:04:39,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:04:39,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-07-20 13:04:39,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 194. [2020-07-20 13:04:39,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-07-20 13:04:39,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 220 transitions. [2020-07-20 13:04:39,423 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 220 transitions. Word has length 77 [2020-07-20 13:04:39,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:39,423 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 220 transitions. [2020-07-20 13:04:39,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:39,423 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 220 transitions. [2020-07-20 13:04:39,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 13:04:39,425 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:39,426 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] [2020-07-20 13:04:39,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:39,639 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:39,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:39,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1801013738, now seen corresponding path program 1 times [2020-07-20 13:04:39,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:39,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31176863] [2020-07-20 13:04:39,641 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:40,022 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:40,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:40,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:04:40,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:40,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:40,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:40,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31176863] [2020-07-20 13:04:40,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:40,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:40,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051370236] [2020-07-20 13:04:40,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:40,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:40,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:40,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:40,087 INFO L87 Difference]: Start difference. First operand 194 states and 220 transitions. Second operand 6 states. [2020-07-20 13:04:40,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:40,293 INFO L93 Difference]: Finished difference Result 363 states and 420 transitions. [2020-07-20 13:04:40,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:04:40,293 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2020-07-20 13:04:40,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:40,297 INFO L225 Difference]: With dead ends: 363 [2020-07-20 13:04:40,297 INFO L226 Difference]: Without dead ends: 197 [2020-07-20 13:04:40,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:04:40,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-07-20 13:04:40,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 193. [2020-07-20 13:04:40,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-07-20 13:04:40,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 217 transitions. [2020-07-20 13:04:40,319 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 217 transitions. Word has length 91 [2020-07-20 13:04:40,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:40,320 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 217 transitions. [2020-07-20 13:04:40,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:40,320 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 217 transitions. [2020-07-20 13:04:40,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 13:04:40,322 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:40,322 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] [2020-07-20 13:04:40,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:40,529 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:40,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:40,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1999801536, now seen corresponding path program 1 times [2020-07-20 13:04:40,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:40,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335831595] [2020-07-20 13:04:40,532 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:40,918 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:40,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:40,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:04:40,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:40,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:40,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:40,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335831595] [2020-07-20 13:04:40,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:40,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:40,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098844251] [2020-07-20 13:04:40,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:40,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:40,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:40,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:40,961 INFO L87 Difference]: Start difference. First operand 193 states and 217 transitions. Second operand 6 states. [2020-07-20 13:04:40,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:40,999 INFO L93 Difference]: Finished difference Result 363 states and 415 transitions. [2020-07-20 13:04:41,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:04:41,000 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-20 13:04:41,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:41,002 INFO L225 Difference]: With dead ends: 363 [2020-07-20 13:04:41,002 INFO L226 Difference]: Without dead ends: 198 [2020-07-20 13:04:41,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:04:41,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-07-20 13:04:41,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2020-07-20 13:04:41,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-07-20 13:04:41,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 222 transitions. [2020-07-20 13:04:41,022 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 222 transitions. Word has length 92 [2020-07-20 13:04:41,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:41,022 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 222 transitions. [2020-07-20 13:04:41,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:41,023 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 222 transitions. [2020-07-20 13:04:41,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 13:04:41,024 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:41,024 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] [2020-07-20 13:04:41,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:41,238 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:41,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:41,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1298201662, now seen corresponding path program 1 times [2020-07-20 13:04:41,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:41,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1022476687] [2020-07-20 13:04:41,241 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:41,631 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:41,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:41,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:04:41,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:41,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:41,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:41,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1022476687] [2020-07-20 13:04:41,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:41,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:04:41,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147815881] [2020-07-20 13:04:41,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:04:41,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:41,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:04:41,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:04:41,687 INFO L87 Difference]: Start difference. First operand 198 states and 222 transitions. Second operand 5 states. [2020-07-20 13:04:41,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:41,711 INFO L93 Difference]: Finished difference Result 375 states and 431 transitions. [2020-07-20 13:04:41,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:04:41,711 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-07-20 13:04:41,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:41,713 INFO L225 Difference]: With dead ends: 375 [2020-07-20 13:04:41,714 INFO L226 Difference]: Without dead ends: 205 [2020-07-20 13:04:41,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:04:41,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-07-20 13:04:41,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 202. [2020-07-20 13:04:41,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-20 13:04:41,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 226 transitions. [2020-07-20 13:04:41,734 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 226 transitions. Word has length 92 [2020-07-20 13:04:41,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:41,735 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 226 transitions. [2020-07-20 13:04:41,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:04:41,735 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 226 transitions. [2020-07-20 13:04:41,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 13:04:41,737 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:41,737 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] [2020-07-20 13:04:41,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:41,953 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:41,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:41,954 INFO L82 PathProgramCache]: Analyzing trace with hash 427279235, now seen corresponding path program 1 times [2020-07-20 13:04:41,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:41,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128160997] [2020-07-20 13:04:41,955 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:42,292 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:42,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:42,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:04:42,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:42,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:42,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1128160997] [2020-07-20 13:04:42,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:42,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:42,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099200000] [2020-07-20 13:04:42,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:42,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:42,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:42,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:42,332 INFO L87 Difference]: Start difference. First operand 202 states and 226 transitions. Second operand 3 states. [2020-07-20 13:04:42,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:42,367 INFO L93 Difference]: Finished difference Result 522 states and 612 transitions. [2020-07-20 13:04:42,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:42,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-07-20 13:04:42,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:42,371 INFO L225 Difference]: With dead ends: 522 [2020-07-20 13:04:42,372 INFO L226 Difference]: Without dead ends: 348 [2020-07-20 13:04:42,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:42,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-07-20 13:04:42,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 345. [2020-07-20 13:04:42,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-07-20 13:04:42,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 398 transitions. [2020-07-20 13:04:42,402 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 398 transitions. Word has length 92 [2020-07-20 13:04:42,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:42,402 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 398 transitions. [2020-07-20 13:04:42,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:42,403 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 398 transitions. [2020-07-20 13:04:42,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 13:04:42,406 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:42,407 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] [2020-07-20 13:04:42,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:42,620 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:42,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:42,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1298280163, now seen corresponding path program 1 times [2020-07-20 13:04:42,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:42,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165680102] [2020-07-20 13:04:42,622 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:42,963 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:42,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:42,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 13:04:42,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:43,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:43,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165680102] [2020-07-20 13:04:43,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:43,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 13:04:43,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164434771] [2020-07-20 13:04:43,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:04:43,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:43,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:04:43,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:04:43,086 INFO L87 Difference]: Start difference. First operand 345 states and 398 transitions. Second operand 10 states. [2020-07-20 13:04:44,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:44,257 INFO L93 Difference]: Finished difference Result 942 states and 1235 transitions. [2020-07-20 13:04:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 13:04:44,258 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-07-20 13:04:44,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:44,266 INFO L225 Difference]: With dead ends: 942 [2020-07-20 13:04:44,267 INFO L226 Difference]: Without dead ends: 625 [2020-07-20 13:04:44,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-20 13:04:44,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2020-07-20 13:04:44,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 463. [2020-07-20 13:04:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-07-20 13:04:44,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 545 transitions. [2020-07-20 13:04:44,344 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 545 transitions. Word has length 96 [2020-07-20 13:04:44,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:44,346 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 545 transitions. [2020-07-20 13:04:44,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:04:44,346 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 545 transitions. [2020-07-20 13:04:44,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-20 13:04:44,370 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:44,370 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:04:44,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:44,571 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:44,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:44,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1033047505, now seen corresponding path program 1 times [2020-07-20 13:04:44,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:44,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598505440] [2020-07-20 13:04:44,572 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:44,912 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:44,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:44,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:04:44,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:44,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:04:45,321 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 13:04:45,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598505440] [2020-07-20 13:04:45,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:04:45,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 13:04:45,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115763350] [2020-07-20 13:04:45,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:04:45,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:45,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:04:45,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:04:45,324 INFO L87 Difference]: Start difference. First operand 463 states and 545 transitions. Second operand 10 states. [2020-07-20 13:04:46,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:46,019 INFO L93 Difference]: Finished difference Result 555 states and 668 transitions. [2020-07-20 13:04:46,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 13:04:46,020 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2020-07-20 13:04:46,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:46,021 INFO L225 Difference]: With dead ends: 555 [2020-07-20 13:04:46,021 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:04:46,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 297 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 13:04:46,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:04:46,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:04:46,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:04:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:04:46,028 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-07-20 13:04:46,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:46,029 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:04:46,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:04:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:04:46,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:04:46,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:46,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:04:47,234 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-20 13:04:47,345 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2020-07-20 13:04:47,601 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-07-20 13:04:48,058 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-07-20 13:04:48,261 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-20 13:04:48,620 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-20 13:04:48,778 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-07-20 13:04:49,449 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-07-20 13:04:49,737 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-07-20 13:04:49,939 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-07-20 13:04:50,078 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-07-20 13:04:50,449 INFO L268 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2020-07-20 13:04:50,449 INFO L268 CegarLoopResult]: For program point L670-1(lines 670 674) no Hoare annotation was computed. [2020-07-20 13:04:50,449 INFO L268 CegarLoopResult]: For program point L665(line 665) no Hoare annotation was computed. [2020-07-20 13:04:50,449 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 685) no Hoare annotation was computed. [2020-07-20 13:04:50,449 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 639 694) no Hoare annotation was computed. [2020-07-20 13:04:50,449 INFO L268 CegarLoopResult]: For program point L686(lines 663 687) no Hoare annotation was computed. [2020-07-20 13:04:50,450 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 639 694) no Hoare annotation was computed. [2020-07-20 13:04:50,450 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 639 694) no Hoare annotation was computed. [2020-07-20 13:04:50,450 INFO L268 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-07-20 13:04:50,450 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 731) no Hoare annotation was computed. [2020-07-20 13:04:50,450 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 695 754) no Hoare annotation was computed. [2020-07-20 13:04:50,450 INFO L268 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-07-20 13:04:50,454 INFO L268 CegarLoopResult]: For program point L721-2(lines 721 746) no Hoare annotation was computed. [2020-07-20 13:04:50,454 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 695 754) no Hoare annotation was computed. [2020-07-20 13:04:50,454 INFO L268 CegarLoopResult]: For program point L747(lines 720 748) no Hoare annotation was computed. [2020-07-20 13:04:50,454 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 695 754) no Hoare annotation was computed. [2020-07-20 13:04:50,455 INFO L268 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-07-20 13:04:50,455 INFO L268 CegarLoopResult]: For program point L740-1(line 740) no Hoare annotation was computed. [2020-07-20 13:04:50,455 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 570 576) the Hoare annotation is: true [2020-07-20 13:04:50,455 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 570 576) no Hoare annotation was computed. [2020-07-20 13:04:50,455 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 577 585) no Hoare annotation was computed. [2020-07-20 13:04:50,455 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 577 585) the Hoare annotation is: true [2020-07-20 13:04:50,455 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 577 585) no Hoare annotation was computed. [2020-07-20 13:04:50,456 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 144 151) the Hoare annotation is: true [2020-07-20 13:04:50,456 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 144 151) no Hoare annotation was computed. [2020-07-20 13:04:50,456 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 144 151) no Hoare annotation was computed. [2020-07-20 13:04:50,456 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 152 161) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 13:04:50,457 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 13:04:50,457 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 152 161) no Hoare annotation was computed. [2020-07-20 13:04:50,457 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 152 161) no Hoare annotation was computed. [2020-07-20 13:04:50,457 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-20 13:04:50,457 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 162 190) the Hoare annotation is: true [2020-07-20 13:04:50,458 INFO L268 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2020-07-20 13:04:50,458 INFO L268 CegarLoopResult]: For program point L174(lines 174 184) no Hoare annotation was computed. [2020-07-20 13:04:50,458 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 13:04:50,458 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 162 190) no Hoare annotation was computed. [2020-07-20 13:04:50,458 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-07-20 13:04:50,458 INFO L268 CegarLoopResult]: For program point L170(lines 170 187) no Hoare annotation was computed. [2020-07-20 13:04:50,458 INFO L268 CegarLoopResult]: For program point L170-1(lines 162 190) no Hoare annotation was computed. [2020-07-20 13:04:50,459 INFO L271 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: true [2020-07-20 13:04:50,459 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-07-20 13:04:50,459 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:04:50,459 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:04:50,460 INFO L264 CegarLoopResult]: At program point L283-1(line 283) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:04:50,460 INFO L268 CegarLoopResult]: For program point L281(lines 281 288) no Hoare annotation was computed. [2020-07-20 13:04:50,460 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2020-07-20 13:04:50,461 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2020-07-20 13:04:50,461 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-07-20 13:04:50,461 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:04:50,461 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:04:50,461 INFO L264 CegarLoopResult]: At program point L277-1(line 277) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:04:50,461 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2020-07-20 13:04:50,461 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2020-07-20 13:04:50,461 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2020-07-20 13:04:50,462 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2020-07-20 13:04:50,462 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-07-20 13:04:50,462 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-07-20 13:04:50,462 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-07-20 13:04:50,462 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-07-20 13:04:50,462 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-07-20 13:04:50,462 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-07-20 13:04:50,462 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-07-20 13:04:50,462 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-07-20 13:04:50,463 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-07-20 13:04:50,463 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-07-20 13:04:50,463 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-20 13:04:50,463 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-20 13:04:50,463 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-07-20 13:04:50,463 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-07-20 13:04:50,463 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 422 430) no Hoare annotation was computed. [2020-07-20 13:04:50,463 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 422 430) the Hoare annotation is: true [2020-07-20 13:04:50,463 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 422 430) no Hoare annotation was computed. [2020-07-20 13:04:50,464 INFO L268 CegarLoopResult]: For program point L450-2(lines 450 458) no Hoare annotation was computed. [2020-07-20 13:04:50,464 INFO L268 CegarLoopResult]: For program point L438(lines 438 446) no Hoare annotation was computed. [2020-07-20 13:04:50,464 INFO L268 CegarLoopResult]: For program point L438-2(lines 438 446) no Hoare annotation was computed. [2020-07-20 13:04:50,464 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 431 466) no Hoare annotation was computed. [2020-07-20 13:04:50,464 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 13:04:50,464 INFO L268 CegarLoopResult]: For program point L461-1(line 461) no Hoare annotation was computed. [2020-07-20 13:04:50,464 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 431 466) no Hoare annotation was computed. [2020-07-20 13:04:50,464 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 431 466) no Hoare annotation was computed. [2020-07-20 13:04:50,464 INFO L268 CegarLoopResult]: For program point L450(lines 450 458) no Hoare annotation was computed. [2020-07-20 13:04:50,465 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 563 569) no Hoare annotation was computed. [2020-07-20 13:04:50,465 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 563 569) the Hoare annotation is: true [2020-07-20 13:04:50,465 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 593 638) no Hoare annotation was computed. [2020-07-20 13:04:50,465 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 593 638) no Hoare annotation was computed. [2020-07-20 13:04:50,465 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 593 638) no Hoare annotation was computed. [2020-07-20 13:04:50,465 INFO L268 CegarLoopResult]: For program point L926(lines 926 933) no Hoare annotation was computed. [2020-07-20 13:04:50,465 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 906 951) no Hoare annotation was computed. [2020-07-20 13:04:50,465 INFO L268 CegarLoopResult]: For program point L920(lines 920 940) no Hoare annotation was computed. [2020-07-20 13:04:50,466 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 940) no Hoare annotation was computed. [2020-07-20 13:04:50,466 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 906 951) no Hoare annotation was computed. [2020-07-20 13:04:50,466 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 906 951) no Hoare annotation was computed. [2020-07-20 13:04:50,466 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:04:50,467 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2020-07-20 13:04:50,467 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2020-07-20 13:04:50,467 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:04:50,467 INFO L271 CegarLoopResult]: At program point L416(line 416) the Hoare annotation is: true [2020-07-20 13:04:50,467 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 411 421) the Hoare annotation is: true [2020-07-20 13:04:50,467 INFO L268 CegarLoopResult]: For program point L416-1(line 416) no Hoare annotation was computed. [2020-07-20 13:04:50,467 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 411 421) no Hoare annotation was computed. [2020-07-20 13:04:50,467 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 411 421) no Hoare annotation was computed. [2020-07-20 13:04:50,468 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 403 410) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 13:04:50,469 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 403 410) no Hoare annotation was computed. [2020-07-20 13:04:50,469 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 403 410) no Hoare annotation was computed. [2020-07-20 13:04:50,469 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-20 13:04:50,469 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-20 13:04:50,469 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-20 13:04:50,471 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-20 13:04:50,471 INFO L264 CegarLoopResult]: At program point L384(line 384) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-20 13:04:50,472 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-20 13:04:50,472 INFO L268 CegarLoopResult]: For program point L378(lines 378 386) no Hoare annotation was computed. [2020-07-20 13:04:50,472 INFO L264 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-20 13:04:50,472 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-07-20 13:04:50,472 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 370 394) no Hoare annotation was computed. [2020-07-20 13:04:50,472 INFO L268 CegarLoopResult]: For program point L374(lines 374 391) no Hoare annotation was computed. [2020-07-20 13:04:50,472 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 370 394) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)))) [2020-07-20 13:04:50,473 INFO L264 CegarLoopResult]: At program point L389(line 389) 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)))) [2020-07-20 13:04:50,473 INFO L268 CegarLoopResult]: For program point L389-1(lines 370 394) no Hoare annotation was computed. [2020-07-20 13:04:50,473 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 336 342) no Hoare annotation was computed. [2020-07-20 13:04:50,473 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 336 342) the Hoare annotation is: true [2020-07-20 13:04:50,473 INFO L264 CegarLoopResult]: At program point testENTRY(lines 487 550) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 13:04:50,473 INFO L264 CegarLoopResult]: At program point L543(lines 496 544) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:04:50,474 INFO L268 CegarLoopResult]: For program point testFINAL(lines 487 550) no Hoare annotation was computed. [2020-07-20 13:04:50,474 INFO L268 CegarLoopResult]: For program point L533(lines 533 537) no Hoare annotation was computed. [2020-07-20 13:04:50,474 INFO L264 CegarLoopResult]: At program point L533-2(lines 527 538) 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)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 13:04:50,474 INFO L268 CegarLoopResult]: For program point L498(lines 497 542) no Hoare annotation was computed. [2020-07-20 13:04:50,474 INFO L268 CegarLoopResult]: For program point L527(lines 527 538) no Hoare annotation was computed. [2020-07-20 13:04:50,474 INFO L264 CegarLoopResult]: At program point L519(line 519) 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)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 13:04:50,474 INFO L268 CegarLoopResult]: For program point L517(lines 517 523) no Hoare annotation was computed. [2020-07-20 13:04:50,475 INFO L268 CegarLoopResult]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2020-07-20 13:04:50,475 INFO L264 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-20 13:04:50,475 INFO L264 CegarLoopResult]: At program point L540(lines 497 542) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-20 13:04:50,475 INFO L268 CegarLoopResult]: For program point L507(lines 507 513) no Hoare annotation was computed. [2020-07-20 13:04:50,475 INFO L268 CegarLoopResult]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2020-07-20 13:04:50,475 INFO L268 CegarLoopResult]: For program point L499(lines 499 503) no Hoare annotation was computed. [2020-07-20 13:04:50,475 INFO L268 CegarLoopResult]: For program point testEXIT(lines 487 550) no Hoare annotation was computed. [2020-07-20 13:04:50,476 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 860 905) no Hoare annotation was computed. [2020-07-20 13:04:50,476 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 860 905) no Hoare annotation was computed. [2020-07-20 13:04:50,476 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 860 905) no Hoare annotation was computed. [2020-07-20 13:04:50,476 INFO L268 CegarLoopResult]: For program point L880(lines 880 887) no Hoare annotation was computed. [2020-07-20 13:04:50,476 INFO L268 CegarLoopResult]: For program point L874(lines 874 894) no Hoare annotation was computed. [2020-07-20 13:04:50,476 INFO L268 CegarLoopResult]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2020-07-20 13:04:50,476 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-20 13:04:50,476 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-20 13:04:50,476 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-20 13:04:50,477 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-20 13:04:50,477 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-20 13:04:50,477 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 553 562) no Hoare annotation was computed. [2020-07-20 13:04:50,477 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 553 562) no Hoare annotation was computed. [2020-07-20 13:04:50,477 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 553 562) no Hoare annotation was computed. [2020-07-20 13:04:50,477 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 757 859) no Hoare annotation was computed. [2020-07-20 13:04:50,477 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-20 13:04:50,477 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-07-20 13:04:50,478 INFO L268 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-07-20 13:04:50,478 INFO L268 CegarLoopResult]: For program point L845(lines 845 856) no Hoare annotation was computed. [2020-07-20 13:04:50,478 INFO L268 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-07-20 13:04:50,478 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 757 859) no Hoare annotation was computed. [2020-07-20 13:04:50,478 INFO L268 CegarLoopResult]: For program point L806-2(lines 806 826) no Hoare annotation was computed. [2020-07-20 13:04:50,479 INFO L268 CegarLoopResult]: For program point L827(lines 805 828) no Hoare annotation was computed. [2020-07-20 13:04:50,479 INFO L268 CegarLoopResult]: For program point L786(lines 786 802) no Hoare annotation was computed. [2020-07-20 13:04:50,479 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 757 859) no Hoare annotation was computed. [2020-07-20 13:04:50,479 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-07-20 13:04:50,479 INFO L268 CegarLoopResult]: For program point L807(lines 806 826) no Hoare annotation was computed. [2020-07-20 13:04:50,479 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-20 13:04:50,479 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-07-20 13:04:50,479 INFO L268 CegarLoopResult]: For program point L803(lines 803 844) no Hoare annotation was computed. [2020-07-20 13:04:50,479 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:50,480 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 13:04:50,480 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:50,480 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 395 402) no Hoare annotation was computed. [2020-07-20 13:04:50,480 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 395 402) no Hoare annotation was computed. [2020-07-20 13:04:50,480 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 395 402) 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))) [2020-07-20 13:04:50,480 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-20 13:04:50,480 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-20 13:04:50,481 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-20 13:04:50,481 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2020-07-20 13:04:50,481 INFO L268 CegarLoopResult]: For program point L476(lines 476 480) no Hoare annotation was computed. [2020-07-20 13:04:50,481 INFO L271 CegarLoopResult]: At program point L474(line 474) the Hoare annotation is: true [2020-07-20 13:04:50,481 INFO L268 CegarLoopResult]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2020-07-20 13:04:50,481 INFO L268 CegarLoopResult]: For program point L474-1(line 474) no Hoare annotation was computed. [2020-07-20 13:04:50,481 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2020-07-20 13:04:50,481 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2020-07-20 13:04:50,481 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-20 13:04:50,482 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2020-07-20 13:04:50,482 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-20 13:04:50,482 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:50,482 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:04:50,482 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:50,482 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-20 13:04:50,482 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-20 13:04:50,482 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-20 13:04:50,483 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 13:04:50,483 INFO L268 CegarLoopResult]: For program point L316(lines 312 334) no Hoare annotation was computed. [2020-07-20 13:04:50,483 INFO L268 CegarLoopResult]: For program point L314(lines 312 334) no Hoare annotation was computed. [2020-07-20 13:04:50,483 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 309 335) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-20 13:04:50,483 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 309 335) no Hoare annotation was computed. [2020-07-20 13:04:50,483 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 309 335) no Hoare annotation was computed. [2020-07-20 13:04:50,484 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse0 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse4 (and .cse6 (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 .cse4 .cse5)))) [2020-07-20 13:04:50,484 INFO L264 CegarLoopResult]: At program point L323(lines 323 329) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (<= 1 ~switchedOnBeforeTS~0) .cse10)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 (and .cse6 .cse7)) (let ((.cse8 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse8 .cse6 .cse7) .cse5 .cse4 .cse9 (and .cse8 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse9)))) [2020-07-20 13:04:50,484 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2020-07-20 13:04:50,484 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2020-07-20 13:04:50,484 INFO L271 CegarLoopResult]: At program point L219(lines 194 223) the Hoare annotation is: true [2020-07-20 13:04:50,484 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-20 13:04:50,485 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-07-20 13:04:50,485 INFO L271 CegarLoopResult]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2020-07-20 13:04:50,485 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-07-20 13:04:50,485 INFO L271 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2020-07-20 13:04:50,485 INFO L271 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: true [2020-07-20 13:04:50,485 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-07-20 13:04:50,485 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2 .cse3))) [2020-07-20 13:04:50,486 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-20 13:04:50,486 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-20 13:04:50,486 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2020-07-20 13:04:50,486 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2020-07-20 13:04:50,486 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:50,486 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:04:50,486 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:04:50,486 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:50,487 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 344 368) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)))) [2020-07-20 13:04:50,487 INFO L268 CegarLoopResult]: For program point L352(lines 352 360) no Hoare annotation was computed. [2020-07-20 13:04:50,487 INFO L264 CegarLoopResult]: At program point L350(line 350) 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)))) [2020-07-20 13:04:50,487 INFO L268 CegarLoopResult]: For program point L350-1(line 350) no Hoare annotation was computed. [2020-07-20 13:04:50,487 INFO L268 CegarLoopResult]: For program point L348(lines 348 365) no Hoare annotation was computed. [2020-07-20 13:04:50,487 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 344 368) no Hoare annotation was computed. [2020-07-20 13:04:50,487 INFO L264 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-20 13:04:50,487 INFO L268 CegarLoopResult]: For program point L363-1(lines 344 368) no Hoare annotation was computed. [2020-07-20 13:04:50,488 INFO L264 CegarLoopResult]: At program point L358(line 358) 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)|))))) [2020-07-20 13:04:50,488 INFO L264 CegarLoopResult]: At program point L354(line 354) 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)|))))) [2020-07-20 13:04:50,488 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-20 13:04:50,488 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-20 13:04:50,488 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-20 13:04:50,488 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 295 302) no Hoare annotation was computed. [2020-07-20 13:04:50,489 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2020-07-20 13:04:50,489 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 295 302) the Hoare annotation is: true [2020-07-20 13:04:50,489 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 295 302) no Hoare annotation was computed. [2020-07-20 13:04:50,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:04:50 BoogieIcfgContainer [2020-07-20 13:04:50,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:04:50,506 INFO L168 Benchmark]: Toolchain (without parser) took 16642.70 ms. Allocated memory was 136.8 MB in the beginning and 395.3 MB in the end (delta: 258.5 MB). Free memory was 99.7 MB in the beginning and 139.9 MB in the end (delta: -40.2 MB). Peak memory consumption was 240.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:50,507 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory is still 118.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 13:04:50,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.70 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 99.5 MB in the beginning and 170.0 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:50,509 INFO L168 Benchmark]: Boogie Preprocessor took 87.41 ms. Allocated memory is still 200.8 MB. Free memory was 170.0 MB in the beginning and 165.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:50,510 INFO L168 Benchmark]: RCFGBuilder took 1125.39 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 165.8 MB in the beginning and 196.2 MB in the end (delta: -30.4 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:50,511 INFO L168 Benchmark]: TraceAbstraction took 14772.88 ms. Allocated memory was 231.2 MB in the beginning and 395.3 MB in the end (delta: 164.1 MB). Free memory was 196.2 MB in the beginning and 139.9 MB in the end (delta: 56.3 MB). Peak memory consumption was 242.5 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:50,514 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory is still 118.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.70 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 99.5 MB in the beginning and 170.0 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.41 ms. Allocated memory is still 200.8 MB. Free memory was 170.0 MB in the beginning and 165.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1125.39 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 165.8 MB in the beginning and 196.2 MB in the end (delta: -30.4 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14772.88 ms. Allocated memory was 231.2 MB in the beginning and 395.3 MB in the end (delta: 164.1 MB). Free memory was 196.2 MB in the beginning and 139.9 MB in the end (delta: 56.3 MB). Peak memory consumption was 242.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 299]: 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: 496]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.4s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1758 SDtfs, 1161 SDslu, 2953 SDs, 0 SdLazy, 1648 SolverSat, 453 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1047 GetRequests, 985 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=463occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 187 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 814 PreInvPairs, 888 NumberOfFragments, 1509 HoareAnnotationTreeSize, 814 FomulaSimplifications, 1330 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 61 FomulaSimplificationsInter, 7300 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 878 NumberOfCodeBlocks, 809 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1022 ConstructedInterpolants, 0 QuantifiedInterpolants, 202050 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7410 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 89/111 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...