/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --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 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:51:19,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:51:19,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:51:19,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:51:19,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:51:19,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:51:19,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:51:19,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:51:19,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:51:19,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:51:19,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:51:19,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:51:19,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:51:19,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:51:19,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:51:19,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:51:19,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:51:19,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:51:19,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:51:19,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:51:19,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:51:19,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:51:19,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:51:19,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:51:19,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:51:19,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:51:19,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:51:19,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:51:19,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:51:19,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:51:19,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:51:19,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:51:19,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:51:19,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:51:19,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:51:19,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:51:19,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:51:19,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:51:19,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:51:19,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:51:19,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:51:19,505 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 [2020-07-19 22:51:19,519 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:51:19,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:51:19,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:51:19,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:51:19,521 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:51:19,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:51:19,522 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:51:19,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:51:19,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:51:19,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:51:19,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:51:19,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:51:19,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:51:19,523 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:51:19,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:51:19,524 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:51:19,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:51:19,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:51:19,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:51:19,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:51:19,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:51:19,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:51:19,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:51:19,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:51:19,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:51:19,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:51:19,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:51:19,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:51:19,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:51:19,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:51:19,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:51:19,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:51:19,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:51:19,818 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:51:19,821 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:51:19,822 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2020-07-19 22:51:19,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88c9161d6/2ea10e81be6c4aff803b1585a3d84730/FLAG468f2c98d [2020-07-19 22:51:20,471 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:51:20,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2020-07-19 22:51:20,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88c9161d6/2ea10e81be6c4aff803b1585a3d84730/FLAG468f2c98d [2020-07-19 22:51:20,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88c9161d6/2ea10e81be6c4aff803b1585a3d84730 [2020-07-19 22:51:20,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:51:20,748 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:51:20,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:51:20,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:51:20,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:51:20,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:51:20" (1/1) ... [2020-07-19 22:51:20,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45840e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:20, skipping insertion in model container [2020-07-19 22:51:20,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:51:20" (1/1) ... [2020-07-19 22:51:20,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:51:20,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:51:21,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:51:21,207 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:51:21,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:51:21,487 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:51:21,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:21 WrapperNode [2020-07-19 22:51:21,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:51:21,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:51:21,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:51:21,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:51:21,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:21" (1/1) ... [2020-07-19 22:51:21,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:21" (1/1) ... [2020-07-19 22:51:21,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:21" (1/1) ... [2020-07-19 22:51:21,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:21" (1/1) ... [2020-07-19 22:51:21,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:21" (1/1) ... [2020-07-19 22:51:21,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:21" (1/1) ... [2020-07-19 22:51:21,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:21" (1/1) ... [2020-07-19 22:51:21,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:51:21,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:51:21,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:51:21,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:51:21,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:21" (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 [2020-07-19 22:51:21,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:51:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:51:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:51:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:51:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:51:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:51:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:51:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:51:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:51:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:51:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:51:21,655 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:51:21,655 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:51:21,655 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:51:21,655 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:51:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:51:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:51:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:51:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:51:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:51:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:51:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:51:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:51:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:51:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:51:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:51:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:51:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:51:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:51:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:51:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:51:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:51:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:51:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:51:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:51:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:51:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:51:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:51:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:51:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:51:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:51:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:51:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:51:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:51:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:51:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:51:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:51:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:51:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:51:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:51:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:51:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:51:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:51:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:51:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:51:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:51:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:51:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:51:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:51:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:51:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:51:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:51:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:51:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:51:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:51:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:51:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:51:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:51:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:51:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:51:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:51:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:51:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:51:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:51:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:51:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:51:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:51:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:51:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:51:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:51:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:51:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:51:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:51:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:51:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:51:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:51:22,663 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:51:22,664 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:51:22,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:51:22 BoogieIcfgContainer [2020-07-19 22:51:22,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:51:22,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:51:22,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:51:22,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:51:22,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:51:20" (1/3) ... [2020-07-19 22:51:22,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662709a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:51:22, skipping insertion in model container [2020-07-19 22:51:22,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:51:21" (2/3) ... [2020-07-19 22:51:22,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662709a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:51:22, skipping insertion in model container [2020-07-19 22:51:22,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:51:22" (3/3) ... [2020-07-19 22:51:22,678 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2020-07-19 22:51:22,689 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:51:22,697 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:51:22,711 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:51:22,737 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:51:22,737 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:51:22,738 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:51:22,738 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:51:22,738 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:51:22,738 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:51:22,739 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:51:22,739 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:51:22,762 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-07-19 22:51:22,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 22:51:22,772 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:51:22,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:51:22,773 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:51:22,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:51:22,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1078669538, now seen corresponding path program 1 times [2020-07-19 22:51:22,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:51:22,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496265392] [2020-07-19 22:51:22,791 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42037c63 [2020-07-19 22:51:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:23,491 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:51:23,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496265392] [2020-07-19 22:51:23,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:51:23,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:51:23,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556512991] [2020-07-19 22:51:23,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:51:23,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:51:23,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:51:23,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:51:23,591 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 3 states. [2020-07-19 22:51:24,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:51:24,574 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2020-07-19 22:51:24,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:51:24,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 22:51:24,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:51:24,590 INFO L225 Difference]: With dead ends: 228 [2020-07-19 22:51:24,590 INFO L226 Difference]: Without dead ends: 125 [2020-07-19 22:51:24,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:51:24,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-19 22:51:24,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-07-19 22:51:24,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-19 22:51:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-07-19 22:51:24,678 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2020-07-19 22:51:24,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:51:24,678 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-07-19 22:51:24,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:51:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-07-19 22:51:24,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 22:51:24,682 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:51:24,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:51:24,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:51:24,683 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:51:24,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:51:24,683 INFO L82 PathProgramCache]: Analyzing trace with hash -352011727, now seen corresponding path program 1 times [2020-07-19 22:51:24,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:51:24,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710225333] [2020-07-19 22:51:24,684 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42037c63 [2020-07-19 22:51:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:25,017 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:51:25,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710225333] [2020-07-19 22:51:25,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:51:25,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:51:25,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862503268] [2020-07-19 22:51:25,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:51:25,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:51:25,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:51:25,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:51:25,071 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2020-07-19 22:51:25,547 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:51:26,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:51:26,105 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2020-07-19 22:51:26,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:51:26,107 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 22:51:26,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:51:26,113 INFO L225 Difference]: With dead ends: 148 [2020-07-19 22:51:26,114 INFO L226 Difference]: Without dead ends: 109 [2020-07-19 22:51:26,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:51:26,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-19 22:51:26,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2020-07-19 22:51:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-19 22:51:26,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-07-19 22:51:26,177 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2020-07-19 22:51:26,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:51:26,177 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-07-19 22:51:26,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:51:26,178 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-07-19 22:51:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:51:26,179 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:51:26,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:51:26,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:51:26,180 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:51:26,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:51:26,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1517693929, now seen corresponding path program 1 times [2020-07-19 22:51:26,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:51:26,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888628601] [2020-07-19 22:51:26,181 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42037c63 [2020-07-19 22:51:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:26,489 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:51:26,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888628601] [2020-07-19 22:51:26,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:51:26,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:51:26,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561949996] [2020-07-19 22:51:26,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:51:26,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:51:26,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:51:26,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:51:26,595 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 8 states. [2020-07-19 22:51:27,015 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:51:27,357 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:27,604 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:27,863 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:28,629 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:51:29,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:51:29,714 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2020-07-19 22:51:29,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:51:29,715 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-19 22:51:29,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:51:29,720 INFO L225 Difference]: With dead ends: 302 [2020-07-19 22:51:29,720 INFO L226 Difference]: Without dead ends: 241 [2020-07-19 22:51:29,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 22:51:29,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-07-19 22:51:29,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172. [2020-07-19 22:51:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-07-19 22:51:29,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2020-07-19 22:51:29,775 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2020-07-19 22:51:29,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:51:29,775 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2020-07-19 22:51:29,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:51:29,776 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2020-07-19 22:51:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-19 22:51:29,778 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:51:29,778 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:51:29,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:51:29,779 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:51:29,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:51:29,779 INFO L82 PathProgramCache]: Analyzing trace with hash 818013324, now seen corresponding path program 1 times [2020-07-19 22:51:29,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:51:29,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985842277] [2020-07-19 22:51:29,780 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42037c63 [2020-07-19 22:51:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:30,081 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:30,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:51:30,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985842277] [2020-07-19 22:51:30,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:51:30,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 22:51:30,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298421198] [2020-07-19 22:51:30,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 22:51:30,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:51:30,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 22:51:30,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:51:30,192 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 11 states. [2020-07-19 22:51:30,699 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:51:31,026 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:31,292 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:31,543 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:32,065 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:51:32,746 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:33,068 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:51:33,318 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:51:33,548 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:51:33,777 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:51:34,041 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:51:34,333 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:51:34,578 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:51:35,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:51:35,118 INFO L93 Difference]: Finished difference Result 611 states and 797 transitions. [2020-07-19 22:51:35,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-19 22:51:35,120 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2020-07-19 22:51:35,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:51:35,126 INFO L225 Difference]: With dead ends: 611 [2020-07-19 22:51:35,126 INFO L226 Difference]: Without dead ends: 463 [2020-07-19 22:51:35,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:51:35,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-07-19 22:51:35,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 434. [2020-07-19 22:51:35,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-07-19 22:51:35,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 532 transitions. [2020-07-19 22:51:35,238 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 532 transitions. Word has length 55 [2020-07-19 22:51:35,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:51:35,239 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 532 transitions. [2020-07-19 22:51:35,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 22:51:35,239 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 532 transitions. [2020-07-19 22:51:35,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 22:51:35,242 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:51:35,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:51:35,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:51:35,243 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:51:35,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:51:35,243 INFO L82 PathProgramCache]: Analyzing trace with hash 514323110, now seen corresponding path program 1 times [2020-07-19 22:51:35,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:51:35,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277688372] [2020-07-19 22:51:35,244 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42037c63 [2020-07-19 22:51:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:35,516 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:51:35,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277688372] [2020-07-19 22:51:35,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:51:35,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 22:51:35,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464203572] [2020-07-19 22:51:35,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:51:35,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:51:35,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:51:35,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:51:35,637 INFO L87 Difference]: Start difference. First operand 434 states and 532 transitions. Second operand 5 states. [2020-07-19 22:51:35,964 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:51:36,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:51:36,518 INFO L93 Difference]: Finished difference Result 796 states and 999 transitions. [2020-07-19 22:51:36,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 22:51:36,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-07-19 22:51:36,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:51:36,522 INFO L225 Difference]: With dead ends: 796 [2020-07-19 22:51:36,522 INFO L226 Difference]: Without dead ends: 386 [2020-07-19 22:51:36,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:51:36,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-07-19 22:51:36,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 372. [2020-07-19 22:51:36,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-07-19 22:51:36,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 431 transitions. [2020-07-19 22:51:36,597 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 431 transitions. Word has length 59 [2020-07-19 22:51:36,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:51:36,598 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 431 transitions. [2020-07-19 22:51:36,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:51:36,598 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 431 transitions. [2020-07-19 22:51:36,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-19 22:51:36,600 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:51:36,601 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:51:36,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:51:36,601 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:51:36,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:51:36,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1399137902, now seen corresponding path program 1 times [2020-07-19 22:51:36,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:51:36,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339969147] [2020-07-19 22:51:36,602 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42037c63 [2020-07-19 22:51:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:36,894 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:51:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-19 22:51:37,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339969147] [2020-07-19 22:51:37,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354643038] [2020-07-19 22:51:37,055 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@17641038 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:51:37,591 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@17641038 issued 4 check-sat command(s) [2020-07-19 22:51:37,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:51:37,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 22:51:37,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:51:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:51:37,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:51:37,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 11 [2020-07-19 22:51:37,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737838251] [2020-07-19 22:51:37,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 22:51:37,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:51:37,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 22:51:37,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:51:37,703 INFO L87 Difference]: Start difference. First operand 372 states and 431 transitions. Second operand 11 states. [2020-07-19 22:51:38,495 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-19 22:51:39,050 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:51:39,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:51:39,914 INFO L93 Difference]: Finished difference Result 525 states and 635 transitions. [2020-07-19 22:51:39,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:51:39,915 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2020-07-19 22:51:39,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:51:39,916 INFO L225 Difference]: With dead ends: 525 [2020-07-19 22:51:39,916 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:51:39,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-07-19 22:51:39,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:51:39,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:51:39,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:51:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:51:39,920 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-07-19 22:51:39,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:51:39,920 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:51:39,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 22:51:39,921 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:51:39,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:51:40,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-19 22:51:40,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:51:40,321 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 26 [2020-07-19 22:51:40,445 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 20 [2020-07-19 22:51:44,462 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:51:44,980 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:51:45,515 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-19 22:51:46,002 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:51:46,362 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:51:46,753 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:51:47,262 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 16 [2020-07-19 22:51:47,728 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-19 22:51:47,937 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:51:48,330 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 22:51:48,481 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 22:51:49,139 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 17 [2020-07-19 22:51:49,570 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 22:51:50,231 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-19 22:51:50,376 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-19 22:51:50,682 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 22:51:51,235 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-19 22:51:51,375 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 22:51:51,826 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-07-19 22:51:52,186 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:51:52,240 INFO L268 CegarLoopResult]: For program point L545-2(lines 545 566) no Hoare annotation was computed. [2020-07-19 22:51:52,240 INFO L268 CegarLoopResult]: For program point L567(lines 544 568) no Hoare annotation was computed. [2020-07-19 22:51:52,240 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 520 575) no Hoare annotation was computed. [2020-07-19 22:51:52,240 INFO L268 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-07-19 22:51:52,241 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 520 575) no Hoare annotation was computed. [2020-07-19 22:51:52,241 INFO L268 CegarLoopResult]: For program point L551-1(lines 551 555) no Hoare annotation was computed. [2020-07-19 22:51:52,241 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 520 575) no Hoare annotation was computed. [2020-07-19 22:51:52,241 INFO L268 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-07-19 22:51:52,241 INFO L268 CegarLoopResult]: For program point L608(lines 608 612) no Hoare annotation was computed. [2020-07-19 22:51:52,241 INFO L268 CegarLoopResult]: For program point L608-1(lines 608 612) no Hoare annotation was computed. [2020-07-19 22:51:52,241 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-07-19 22:51:52,241 INFO L268 CegarLoopResult]: For program point L602-2(lines 602 627) no Hoare annotation was computed. [2020-07-19 22:51:52,242 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 576 635) no Hoare annotation was computed. [2020-07-19 22:51:52,242 INFO L268 CegarLoopResult]: For program point L628(lines 601 629) no Hoare annotation was computed. [2020-07-19 22:51:52,242 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 576 635) no Hoare annotation was computed. [2020-07-19 22:51:52,242 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-07-19 22:51:52,242 INFO L268 CegarLoopResult]: For program point L621-1(line 621) no Hoare annotation was computed. [2020-07-19 22:51:52,242 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 576 635) no Hoare annotation was computed. [2020-07-19 22:51:52,242 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2020-07-19 22:51:52,242 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2020-07-19 22:51:52,243 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-19 22:51:52,243 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2020-07-19 22:51:52,243 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-19 22:51:52,243 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 843 867) the Hoare annotation is: true [2020-07-19 22:51:52,243 INFO L264 CegarLoopResult]: At program point L857(line 857) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-19 22:51:52,243 INFO L268 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2020-07-19 22:51:52,244 INFO L264 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-19 22:51:52,244 INFO L268 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-07-19 22:51:52,244 INFO L268 CegarLoopResult]: For program point L851(lines 851 864) no Hoare annotation was computed. [2020-07-19 22:51:52,244 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 843 867) no Hoare annotation was computed. [2020-07-19 22:51:52,244 INFO L268 CegarLoopResult]: For program point L851-1(lines 843 867) no Hoare annotation was computed. [2020-07-19 22:51:52,244 INFO L271 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: true [2020-07-19 22:51:52,244 INFO L268 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-07-19 22:51:52,244 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-19 22:51:52,244 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-19 22:51:52,245 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:51:52,245 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:51:52,245 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:51:52,245 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:51:52,245 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-19 22:51:52,245 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-19 22:51:52,245 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~0 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:51:52,246 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~0 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:51:52,246 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-19 22:51:52,246 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-19 22:51:52,246 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-19 22:51:52,246 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-19 22:51:52,246 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-19 22:51:52,246 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-19 22:51:52,246 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-19 22:51:52,247 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-19 22:51:52,247 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-19 22:51:52,247 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-19 22:51:52,247 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-19 22:51:52,247 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-19 22:51:52,247 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-19 22:51:52,247 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-19 22:51:52,247 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-19 22:51:52,248 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-19 22:51:52,248 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-19 22:51:52,248 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-19 22:51:52,248 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 375 389) no Hoare annotation was computed. [2020-07-19 22:51:52,248 INFO L264 CegarLoopResult]: At program point L381(line 381) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-19 22:51:52,248 INFO L268 CegarLoopResult]: For program point L379(lines 379 385) no Hoare annotation was computed. [2020-07-19 22:51:52,248 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 375 389) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:51:52,249 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 375 389) no Hoare annotation was computed. [2020-07-19 22:51:52,249 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 330 338) no Hoare annotation was computed. [2020-07-19 22:51:52,249 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 330 338) the Hoare annotation is: true [2020-07-19 22:51:52,249 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 330 338) no Hoare annotation was computed. [2020-07-19 22:51:52,249 INFO L268 CegarLoopResult]: For program point L346(lines 346 354) no Hoare annotation was computed. [2020-07-19 22:51:52,249 INFO L268 CegarLoopResult]: For program point L346-2(lines 346 354) no Hoare annotation was computed. [2020-07-19 22:51:52,249 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-07-19 22:51:52,250 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-07-19 22:51:52,250 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 339 374) no Hoare annotation was computed. [2020-07-19 22:51:52,250 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 339 374) no Hoare annotation was computed. [2020-07-19 22:51:52,250 INFO L268 CegarLoopResult]: For program point L358(lines 358 366) no Hoare annotation was computed. [2020-07-19 22:51:52,250 INFO L268 CegarLoopResult]: For program point L358-2(lines 358 366) no Hoare annotation was computed. [2020-07-19 22:51:52,250 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 339 374) no Hoare annotation was computed. [2020-07-19 22:51:52,250 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2020-07-19 22:51:52,251 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2020-07-19 22:51:52,251 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 474 519) no Hoare annotation was computed. [2020-07-19 22:51:52,251 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 474 519) no Hoare annotation was computed. [2020-07-19 22:51:52,251 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 474 519) no Hoare annotation was computed. [2020-07-19 22:51:52,251 INFO L268 CegarLoopResult]: For program point L801(lines 801 821) no Hoare annotation was computed. [2020-07-19 22:51:52,251 INFO L268 CegarLoopResult]: For program point L801-1(lines 801 821) no Hoare annotation was computed. [2020-07-19 22:51:52,251 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 787 832) no Hoare annotation was computed. [2020-07-19 22:51:52,251 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 787 832) no Hoare annotation was computed. [2020-07-19 22:51:52,252 INFO L268 CegarLoopResult]: For program point L807(lines 807 814) no Hoare annotation was computed. [2020-07-19 22:51:52,252 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 787 832) no Hoare annotation was computed. [2020-07-19 22:51:52,252 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:51:52,252 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-19 22:51:52,252 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-19 22:51:52,252 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 319 329) no Hoare annotation was computed. [2020-07-19 22:51:52,252 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 319 329) no Hoare annotation was computed. [2020-07-19 22:51:52,252 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 319 329) no Hoare annotation was computed. [2020-07-19 22:51:52,253 INFO L268 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-07-19 22:51:52,253 INFO L268 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-07-19 22:51:52,253 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 311 318) the Hoare annotation is: true [2020-07-19 22:51:52,253 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 311 318) no Hoare annotation was computed. [2020-07-19 22:51:52,253 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 311 318) no Hoare annotation was computed. [2020-07-19 22:51:52,253 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 296 302) no Hoare annotation was computed. [2020-07-19 22:51:52,253 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 296 302) the Hoare annotation is: true [2020-07-19 22:51:52,254 INFO L264 CegarLoopResult]: At program point testENTRY(lines 399 466) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:51:52,254 INFO L268 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-07-19 22:51:52,254 INFO L268 CegarLoopResult]: For program point testFINAL(lines 399 466) no Hoare annotation was computed. [2020-07-19 22:51:52,254 INFO L264 CegarLoopResult]: At program point L459(lines 408 460) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:51:52,254 INFO L264 CegarLoopResult]: At program point L449(line 449) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:51:52,255 INFO L268 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-07-19 22:51:52,255 INFO L264 CegarLoopResult]: At program point L447-1(lines 439 454) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:51:52,255 INFO L268 CegarLoopResult]: For program point L410(lines 409 458) no Hoare annotation was computed. [2020-07-19 22:51:52,255 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:51:52,255 INFO L268 CegarLoopResult]: For program point L439(lines 439 454) no Hoare annotation was computed. [2020-07-19 22:51:52,255 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:51:52,255 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-07-19 22:51:52,256 INFO L268 CegarLoopResult]: For program point L429-1(lines 429 435) no Hoare annotation was computed. [2020-07-19 22:51:52,256 INFO L264 CegarLoopResult]: At program point L456(lines 409 458) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:51:52,256 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:51:52,256 INFO L268 CegarLoopResult]: For program point L419(lines 419 425) no Hoare annotation was computed. [2020-07-19 22:51:52,256 INFO L268 CegarLoopResult]: For program point testEXIT(lines 399 466) no Hoare annotation was computed. [2020-07-19 22:51:52,256 INFO L268 CegarLoopResult]: For program point L419-1(lines 419 425) no Hoare annotation was computed. [2020-07-19 22:51:52,257 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 741 786) no Hoare annotation was computed. [2020-07-19 22:51:52,257 INFO L268 CegarLoopResult]: For program point L761(lines 761 768) no Hoare annotation was computed. [2020-07-19 22:51:52,257 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 741 786) no Hoare annotation was computed. [2020-07-19 22:51:52,257 INFO L268 CegarLoopResult]: For program point L755(lines 755 775) no Hoare annotation was computed. [2020-07-19 22:51:52,257 INFO L268 CegarLoopResult]: For program point L755-1(lines 755 775) no Hoare annotation was computed. [2020-07-19 22:51:52,257 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 741 786) no Hoare annotation was computed. [2020-07-19 22:51:52,257 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-19 22:51:52,258 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-19 22:51:52,258 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 230 252) no Hoare annotation was computed. [2020-07-19 22:51:52,258 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 230 252) no Hoare annotation was computed. [2020-07-19 22:51:52,258 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 230 252) no Hoare annotation was computed. [2020-07-19 22:51:52,258 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2020-07-19 22:51:52,258 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2020-07-19 22:51:52,258 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2020-07-19 22:51:52,258 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 638 740) no Hoare annotation was computed. [2020-07-19 22:51:52,259 INFO L268 CegarLoopResult]: For program point L667(lines 667 683) no Hoare annotation was computed. [2020-07-19 22:51:52,259 INFO L268 CegarLoopResult]: For program point L727(lines 727 734) no Hoare annotation was computed. [2020-07-19 22:51:52,259 INFO L268 CegarLoopResult]: For program point L688(lines 687 707) no Hoare annotation was computed. [2020-07-19 22:51:52,259 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-07-19 22:51:52,259 INFO L268 CegarLoopResult]: For program point L719-1(line 719) no Hoare annotation was computed. [2020-07-19 22:51:52,259 INFO L268 CegarLoopResult]: For program point L684(lines 684 725) no Hoare annotation was computed. [2020-07-19 22:51:52,260 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 638 740) no Hoare annotation was computed. [2020-07-19 22:51:52,260 INFO L268 CegarLoopResult]: For program point L703(line 703) no Hoare annotation was computed. [2020-07-19 22:51:52,260 INFO L268 CegarLoopResult]: For program point L703-1(line 703) no Hoare annotation was computed. [2020-07-19 22:51:52,260 INFO L268 CegarLoopResult]: For program point L662(lines 662 666) no Hoare annotation was computed. [2020-07-19 22:51:52,260 INFO L268 CegarLoopResult]: For program point L726(lines 726 737) no Hoare annotation was computed. [2020-07-19 22:51:52,260 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 638 740) no Hoare annotation was computed. [2020-07-19 22:51:52,260 INFO L268 CegarLoopResult]: For program point L689(lines 689 693) no Hoare annotation was computed. [2020-07-19 22:51:52,260 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 707) no Hoare annotation was computed. [2020-07-19 22:51:52,260 INFO L268 CegarLoopResult]: For program point L708(lines 686 709) no Hoare annotation was computed. [2020-07-19 22:51:52,260 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:51:52,261 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2020-07-19 22:51:52,261 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:51:52,261 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 303 310) no Hoare annotation was computed. [2020-07-19 22:51:52,261 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 303 310) no Hoare annotation was computed. [2020-07-19 22:51:52,261 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 303 310) no Hoare annotation was computed. [2020-07-19 22:51:52,261 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 253 261) the Hoare annotation is: true [2020-07-19 22:51:52,261 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 253 261) no Hoare annotation was computed. [2020-07-19 22:51:52,261 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 253 261) no Hoare annotation was computed. [2020-07-19 22:51:52,261 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 209 220) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:51:52,262 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 209 220) no Hoare annotation was computed. [2020-07-19 22:51:52,262 INFO L268 CegarLoopResult]: For program point L213-1(lines 209 220) no Hoare annotation was computed. [2020-07-19 22:51:52,262 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:51:52,262 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:51:52,262 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:51:52,262 INFO L264 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (let ((.cse0 (and (not (= 0 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-19 22:51:52,262 INFO L264 CegarLoopResult]: At program point L283(lines 283 289) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 22:51:52,263 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 22:51:52,263 INFO L268 CegarLoopResult]: For program point L276(lines 275 294) no Hoare annotation was computed. [2020-07-19 22:51:52,263 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 272 295) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 22:51:52,263 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 272 295) no Hoare annotation was computed. [2020-07-19 22:51:52,263 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 272 295) no Hoare annotation was computed. [2020-07-19 22:51:52,263 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-19 22:51:52,263 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-19 22:51:52,264 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-19 22:51:52,264 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-19 22:51:52,264 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-19 22:51:52,264 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-19 22:51:52,264 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-19 22:51:52,264 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-19 22:51:52,264 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-19 22:51:52,264 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-19 22:51:52,265 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 221 229) no Hoare annotation was computed. [2020-07-19 22:51:52,265 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 221 229) no Hoare annotation was computed. [2020-07-19 22:51:52,265 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 221 229) no Hoare annotation was computed. [2020-07-19 22:51:52,265 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 185 196) the Hoare annotation is: true [2020-07-19 22:51:52,265 INFO L268 CegarLoopResult]: For program point L189-1(lines 185 196) no Hoare annotation was computed. [2020-07-19 22:51:52,265 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 185 196) no Hoare annotation was computed. [2020-07-19 22:51:52,265 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-19 22:51:52,265 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-19 22:51:52,266 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:51:52,266 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:51:52,266 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:51:52,266 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:51:52,266 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 390 397) no Hoare annotation was computed. [2020-07-19 22:51:52,266 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 390 397) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1))) [2020-07-19 22:51:52,266 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 390 397) no Hoare annotation was computed. [2020-07-19 22:51:52,267 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 197 208) no Hoare annotation was computed. [2020-07-19 22:51:52,267 INFO L268 CegarLoopResult]: For program point L201-1(lines 197 208) no Hoare annotation was computed. [2020-07-19 22:51:52,267 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 197 208) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 22:51:52,267 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 834 841) no Hoare annotation was computed. [2020-07-19 22:51:52,267 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2020-07-19 22:51:52,267 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 834 841) the Hoare annotation is: true [2020-07-19 22:51:52,267 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 834 841) no Hoare annotation was computed. [2020-07-19 22:51:52,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:51:52 BoogieIcfgContainer [2020-07-19 22:51:52,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:51:52,291 INFO L168 Benchmark]: Toolchain (without parser) took 31544.43 ms. Allocated memory was 146.8 MB in the beginning and 669.5 MB in the end (delta: 522.7 MB). Free memory was 103.7 MB in the beginning and 516.9 MB in the end (delta: -413.2 MB). Peak memory consumption was 543.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:52,292 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 22:51:52,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.09 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 103.3 MB in the beginning and 172.6 MB in the end (delta: -69.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:52,299 INFO L168 Benchmark]: Boogie Preprocessor took 95.41 ms. Allocated memory is still 203.9 MB. Free memory was 172.6 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:52,300 INFO L168 Benchmark]: RCFGBuilder took 1084.37 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.4 MB in the beginning and 201.9 MB in the end (delta: -33.5 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:52,301 INFO L168 Benchmark]: TraceAbstraction took 29618.72 ms. Allocated memory was 236.5 MB in the beginning and 669.5 MB in the end (delta: 433.1 MB). Free memory was 201.9 MB in the beginning and 516.9 MB in the end (delta: -315.1 MB). Peak memory consumption was 552.0 MB. Max. memory is 7.1 GB. [2020-07-19 22:51:52,307 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 739.09 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 103.3 MB in the beginning and 172.6 MB in the end (delta: -69.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.41 ms. Allocated memory is still 203.9 MB. Free memory was 172.6 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1084.37 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.4 MB in the beginning and 201.9 MB in the end (delta: -33.5 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29618.72 ms. Allocated memory was 236.5 MB in the beginning and 669.5 MB in the end (delta: 433.1 MB). Free memory was 201.9 MB in the beginning and 516.9 MB in the end (delta: -315.1 MB). Peak memory consumption was 552.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 838]: 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: 409]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 505 SDtfs, 991 SDslu, 508 SDs, 0 SdLazy, 2066 SolverSat, 664 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 264 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=434occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 167 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 462 PreInvPairs, 530 NumberOfFragments, 906 HoareAnnotationTreeSize, 462 FomulaSimplifications, 87787 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 46 FomulaSimplificationsInter, 16836 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 437 NumberOfCodeBlocks, 437 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 120670 SizeOfPredicates, 3 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 39/48 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...