/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.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:40:36,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:40:36,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:40:36,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:40:36,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:40:36,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:40:36,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:40:36,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:40:36,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:40:36,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:40:36,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:40:36,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:40:36,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:40:36,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:40:36,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:40:36,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:40:36,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:40:36,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:40:36,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:40:36,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:40:36,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:40:36,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:40:36,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:40:36,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:40:36,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:40:36,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:40:36,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:40:36,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:40:36,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:40:36,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:40:36,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:40:36,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:40:36,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:40:36,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:40:36,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:40:36,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:40:36,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:40:36,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:40:36,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:40:36,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:40:36,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:40:36,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 16:40:36,540 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:40:36,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:40:36,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:40:36,542 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:40:36,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:40:36,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:40:36,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:40:36,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:40:36,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:40:36,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:40:36,543 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:40:36,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:40:36,543 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:40:36,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:40:36,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:40:36,544 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:40:36,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:40:36,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:40:36,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:40:36,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:40:36,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:40:36,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:40:36,545 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 16:40:36,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:40:36,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:40:36,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:40:36,832 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:40:36,832 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:40:36,833 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product36.cil.c [2020-07-17 16:40:36,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51908dbaa/801fbe42c2c340d58dd77801ce0ab8fd/FLAG5bf919b12 [2020-07-17 16:40:37,486 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:40:37,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product36.cil.c [2020-07-17 16:40:37,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51908dbaa/801fbe42c2c340d58dd77801ce0ab8fd/FLAG5bf919b12 [2020-07-17 16:40:37,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51908dbaa/801fbe42c2c340d58dd77801ce0ab8fd [2020-07-17 16:40:37,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:40:37,735 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:40:37,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:40:37,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:40:37,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:40:37,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:40:37" (1/1) ... [2020-07-17 16:40:37,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47941ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:37, skipping insertion in model container [2020-07-17 16:40:37,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:40:37" (1/1) ... [2020-07-17 16:40:37,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:40:37,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:40:38,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:40:38,160 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:40:38,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:40:38,386 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:40:38,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:38 WrapperNode [2020-07-17 16:40:38,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:40:38,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:40:38,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:40:38,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:40:38,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:38" (1/1) ... [2020-07-17 16:40:38,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:38" (1/1) ... [2020-07-17 16:40:38,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:38" (1/1) ... [2020-07-17 16:40:38,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:38" (1/1) ... [2020-07-17 16:40:38,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:38" (1/1) ... [2020-07-17 16:40:38,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:38" (1/1) ... [2020-07-17 16:40:38,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:38" (1/1) ... [2020-07-17 16:40:38,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:40:38,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:40:38,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:40:38,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:40:38,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:38" (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 [2020-07-17 16:40:38,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:40:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:40:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:40:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:40:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:40:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:40:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:40:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:40:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:40:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:40:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:40:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:40:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 16:40:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 16:40:38,549 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 16:40:38,549 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:40:38,549 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:40:38,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:40:38,549 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:40:38,550 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:40:38,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:40:38,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:40:38,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:40:38,550 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:40:38,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:40:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:40:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:40:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:40:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:40:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:40:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:40:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:40:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:40:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:40:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:40:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:40:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:40:38,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 16:40:38,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-17 16:40:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:40:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:40:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:40:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:40:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:40:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 16:40:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 16:40:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:40:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:40:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:40:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:40:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:40:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:40:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 16:40:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:40:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:40:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:40:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:40:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-17 16:40:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:40:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:40:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 16:40:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:40:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:40:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:40:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:40:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:40:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:40:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:40:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:40:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:40:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:40:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:40:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:40:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:40:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:40:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:40:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:40:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:40:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:40:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:40:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:40:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:40:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:40:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:40:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:40:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:40:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:40:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:40:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:40:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:40:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:40:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:40:39,826 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:40:39,826 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:40:39,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:40:39 BoogieIcfgContainer [2020-07-17 16:40:39,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:40:39,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:40:39,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:40:39,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:40:39,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:40:37" (1/3) ... [2020-07-17 16:40:39,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f82feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:40:39, skipping insertion in model container [2020-07-17 16:40:39,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:40:38" (2/3) ... [2020-07-17 16:40:39,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f82feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:40:39, skipping insertion in model container [2020-07-17 16:40:39,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:40:39" (3/3) ... [2020-07-17 16:40:39,841 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product36.cil.c [2020-07-17 16:40:39,851 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:40:39,860 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:40:39,874 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:40:39,895 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:40:39,896 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:40:39,896 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:40:39,896 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:40:39,897 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:40:39,897 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:40:39,897 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:40:39,897 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:40:39,917 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2020-07-17 16:40:39,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-17 16:40:39,937 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:39,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:40:39,939 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:39,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:39,945 INFO L82 PathProgramCache]: Analyzing trace with hash 391863934, now seen corresponding path program 1 times [2020-07-17 16:40:39,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:39,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [973663683] [2020-07-17 16:40:39,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:40,670 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:40:40,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [973663683] [2020-07-17 16:40:40,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:40:40,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 16:40:40,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080847972] [2020-07-17 16:40:40,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 16:40:40,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:40:40,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 16:40:40,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:40:40,949 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 3 states. [2020-07-17 16:40:42,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:40:42,243 INFO L93 Difference]: Finished difference Result 448 states and 534 transitions. [2020-07-17 16:40:42,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 16:40:42,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-17 16:40:42,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:40:42,265 INFO L225 Difference]: With dead ends: 448 [2020-07-17 16:40:42,266 INFO L226 Difference]: Without dead ends: 282 [2020-07-17 16:40:42,271 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 [2020-07-17 16:40:42,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-07-17 16:40:42,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 240. [2020-07-17 16:40:42,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-07-17 16:40:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 259 transitions. [2020-07-17 16:40:42,386 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 259 transitions. Word has length 142 [2020-07-17 16:40:42,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:40:42,387 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 259 transitions. [2020-07-17 16:40:42,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 16:40:42,388 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 259 transitions. [2020-07-17 16:40:42,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-17 16:40:42,392 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:42,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:40:42,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:40:42,393 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:42,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:42,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1207117873, now seen corresponding path program 1 times [2020-07-17 16:40:42,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:42,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1904947514] [2020-07-17 16:40:42,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:42,787 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:42,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:40:42,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1904947514] [2020-07-17 16:40:42,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:40:42,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:40:42,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267988994] [2020-07-17 16:40:42,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:40:42,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:40:42,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:40:42,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:40:42,930 INFO L87 Difference]: Start difference. First operand 240 states and 259 transitions. Second operand 4 states. [2020-07-17 16:40:43,553 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:40:44,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:40:44,325 INFO L93 Difference]: Finished difference Result 352 states and 395 transitions. [2020-07-17 16:40:44,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 16:40:44,326 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-07-17 16:40:44,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:40:44,330 INFO L225 Difference]: With dead ends: 352 [2020-07-17 16:40:44,330 INFO L226 Difference]: Without dead ends: 265 [2020-07-17 16:40:44,332 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 [2020-07-17 16:40:44,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-07-17 16:40:44,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 230. [2020-07-17 16:40:44,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-07-17 16:40:44,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 246 transitions. [2020-07-17 16:40:44,414 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 246 transitions. Word has length 143 [2020-07-17 16:40:44,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:40:44,415 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 246 transitions. [2020-07-17 16:40:44,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:40:44,415 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 246 transitions. [2020-07-17 16:40:44,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-17 16:40:44,418 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:44,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:40:44,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:40:44,418 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:44,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:44,419 INFO L82 PathProgramCache]: Analyzing trace with hash -2086984222, now seen corresponding path program 1 times [2020-07-17 16:40:44,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:44,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [873489468] [2020-07-17 16:40:44,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:44,767 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:40:44,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [873489468] [2020-07-17 16:40:44,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:40:44,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 16:40:44,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409098568] [2020-07-17 16:40:44,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 16:40:44,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:40:44,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 16:40:44,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 16:40:44,901 INFO L87 Difference]: Start difference. First operand 230 states and 246 transitions. Second operand 10 states. [2020-07-17 16:40:45,564 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:40:46,029 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:40:46,395 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:40:46,668 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:46,944 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:47,192 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:48,136 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:40:49,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:40:49,985 INFO L93 Difference]: Finished difference Result 621 states and 722 transitions. [2020-07-17 16:40:49,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 16:40:49,987 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2020-07-17 16:40:49,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:40:49,996 INFO L225 Difference]: With dead ends: 621 [2020-07-17 16:40:49,996 INFO L226 Difference]: Without dead ends: 501 [2020-07-17 16:40:50,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-07-17 16:40:50,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-07-17 16:40:50,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 398. [2020-07-17 16:40:50,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-07-17 16:40:50,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 440 transitions. [2020-07-17 16:40:50,159 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 440 transitions. Word has length 156 [2020-07-17 16:40:50,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:40:50,159 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 440 transitions. [2020-07-17 16:40:50,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 16:40:50,160 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 440 transitions. [2020-07-17 16:40:50,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-17 16:40:50,163 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:50,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:40:50,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:40:50,163 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:50,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:50,164 INFO L82 PathProgramCache]: Analyzing trace with hash 228813241, now seen corresponding path program 1 times [2020-07-17 16:40:50,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:50,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1533185919] [2020-07-17 16:40:50,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:40:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,469 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:40:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:40:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:40:50,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1533185919] [2020-07-17 16:40:50,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:40:50,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-17 16:40:50,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537695532] [2020-07-17 16:40:50,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 16:40:50,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:40:50,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 16:40:50,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:40:50,665 INFO L87 Difference]: Start difference. First operand 398 states and 440 transitions. Second operand 14 states. [2020-07-17 16:40:51,207 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:40:51,645 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:40:52,012 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:40:52,254 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:52,541 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:52,800 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:53,457 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:40:54,528 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:54,812 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:55,175 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:55,464 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:40:55,697 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:40:55,942 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:40:56,211 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:40:56,449 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:56,686 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:57,014 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:57,346 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:40:57,641 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:40:57,963 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:40:59,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:40:59,651 INFO L93 Difference]: Finished difference Result 1336 states and 1677 transitions. [2020-07-17 16:40:59,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-17 16:40:59,653 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 161 [2020-07-17 16:40:59,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:40:59,661 INFO L225 Difference]: With dead ends: 1336 [2020-07-17 16:40:59,662 INFO L226 Difference]: Without dead ends: 1048 [2020-07-17 16:40:59,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-07-17 16:40:59,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2020-07-17 16:40:59,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 913. [2020-07-17 16:40:59,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2020-07-17 16:40:59,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1065 transitions. [2020-07-17 16:40:59,989 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1065 transitions. Word has length 161 [2020-07-17 16:40:59,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:40:59,990 INFO L479 AbstractCegarLoop]: Abstraction has 913 states and 1065 transitions. [2020-07-17 16:40:59,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 16:40:59,990 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1065 transitions. [2020-07-17 16:40:59,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-17 16:40:59,994 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:40:59,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:40:59,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:40:59,995 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:40:59,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:40:59,995 INFO L82 PathProgramCache]: Analyzing trace with hash -804462012, now seen corresponding path program 1 times [2020-07-17 16:40:59,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:40:59,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1254455269] [2020-07-17 16:40:59,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,241 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:00,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:41:00,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1254455269] [2020-07-17 16:41:00,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:41:00,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 16:41:00,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493823570] [2020-07-17 16:41:00,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 16:41:00,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:00,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 16:41:00,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 16:41:00,388 INFO L87 Difference]: Start difference. First operand 913 states and 1065 transitions. Second operand 6 states. [2020-07-17 16:41:00,871 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:02,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:02,923 INFO L93 Difference]: Finished difference Result 2180 states and 2682 transitions. [2020-07-17 16:41:02,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 16:41:02,930 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-07-17 16:41:02,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:02,942 INFO L225 Difference]: With dead ends: 2180 [2020-07-17 16:41:02,942 INFO L226 Difference]: Without dead ends: 1377 [2020-07-17 16:41:02,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:41:02,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2020-07-17 16:41:03,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1274. [2020-07-17 16:41:03,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2020-07-17 16:41:03,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1492 transitions. [2020-07-17 16:41:03,406 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1492 transitions. Word has length 166 [2020-07-17 16:41:03,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:03,407 INFO L479 AbstractCegarLoop]: Abstraction has 1274 states and 1492 transitions. [2020-07-17 16:41:03,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 16:41:03,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1492 transitions. [2020-07-17 16:41:03,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-07-17 16:41:03,412 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:03,413 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:03,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:41:03,414 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:03,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:03,414 INFO L82 PathProgramCache]: Analyzing trace with hash 188083825, now seen corresponding path program 1 times [2020-07-17 16:41:03,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:03,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160408982] [2020-07-17 16:41:03,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:03,720 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-07-17 16:41:03,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160408982] [2020-07-17 16:41:03,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:03,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-17 16:41:03,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264645762] [2020-07-17 16:41:03,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 16:41:03,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:03,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 16:41:03,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:41:03,886 INFO L87 Difference]: Start difference. First operand 1274 states and 1492 transitions. Second operand 11 states. [2020-07-17 16:41:04,340 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:06,479 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:06,724 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:06,990 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:07,278 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:07,555 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:08,015 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:08,243 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:08,513 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:08,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:08,997 INFO L93 Difference]: Finished difference Result 1458 states and 1758 transitions. [2020-07-17 16:41:08,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 16:41:08,997 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 209 [2020-07-17 16:41:08,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:09,005 INFO L225 Difference]: With dead ends: 1458 [2020-07-17 16:41:09,005 INFO L226 Difference]: Without dead ends: 1455 [2020-07-17 16:41:09,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-07-17 16:41:09,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2020-07-17 16:41:09,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1283. [2020-07-17 16:41:09,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1283 states. [2020-07-17 16:41:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1498 transitions. [2020-07-17 16:41:09,421 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1498 transitions. Word has length 209 [2020-07-17 16:41:09,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:09,422 INFO L479 AbstractCegarLoop]: Abstraction has 1283 states and 1498 transitions. [2020-07-17 16:41:09,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 16:41:09,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1498 transitions. [2020-07-17 16:41:09,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-07-17 16:41:09,429 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:09,430 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:09,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:41:09,430 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:09,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:09,431 INFO L82 PathProgramCache]: Analyzing trace with hash -841677132, now seen corresponding path program 1 times [2020-07-17 16:41:09,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:09,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096315240] [2020-07-17 16:41:09,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,700 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:10,062 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-17 16:41:10,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096315240] [2020-07-17 16:41:10,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:10,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-07-17 16:41:10,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842276974] [2020-07-17 16:41:10,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 16:41:10,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:10,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 16:41:10,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:41:10,065 INFO L87 Difference]: Start difference. First operand 1283 states and 1498 transitions. Second operand 15 states. [2020-07-17 16:41:10,522 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:11,272 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:12,424 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:12,719 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:13,030 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:41:13,367 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:13,634 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:13,926 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:41:14,203 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:14,524 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:41:14,781 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:15,082 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:15,411 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:15,687 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:17,120 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:17,351 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:17,605 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:41:17,872 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:18,133 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:18,356 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:19,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:19,635 INFO L93 Difference]: Finished difference Result 2984 states and 3815 transitions. [2020-07-17 16:41:19,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-17 16:41:19,638 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 249 [2020-07-17 16:41:19,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:19,648 INFO L225 Difference]: With dead ends: 2984 [2020-07-17 16:41:19,648 INFO L226 Difference]: Without dead ends: 1811 [2020-07-17 16:41:19,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=527, Invalid=2229, Unknown=0, NotChecked=0, Total=2756 [2020-07-17 16:41:19,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-07-17 16:41:20,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1305. [2020-07-17 16:41:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1305 states. [2020-07-17 16:41:20,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1513 transitions. [2020-07-17 16:41:20,066 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1513 transitions. Word has length 249 [2020-07-17 16:41:20,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:20,067 INFO L479 AbstractCegarLoop]: Abstraction has 1305 states and 1513 transitions. [2020-07-17 16:41:20,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 16:41:20,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1513 transitions. [2020-07-17 16:41:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-07-17 16:41:20,073 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:20,074 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:20,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 16:41:20,074 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:20,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:20,074 INFO L82 PathProgramCache]: Analyzing trace with hash -649112613, now seen corresponding path program 1 times [2020-07-17 16:41:20,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:20,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2268071] [2020-07-17 16:41:20,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,369 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:20,622 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-17 16:41:20,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2268071] [2020-07-17 16:41:20,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:20,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-07-17 16:41:20,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064616196] [2020-07-17 16:41:20,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 16:41:20,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:20,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 16:41:20,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:41:20,624 INFO L87 Difference]: Start difference. First operand 1305 states and 1513 transitions. Second operand 14 states. [2020-07-17 16:41:21,124 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:21,859 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:22,550 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:22,798 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:23,066 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:23,311 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:23,538 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:23,773 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:41:23,996 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:24,276 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:24,561 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:24,855 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:26,662 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:41:26,908 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:29,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:29,457 INFO L93 Difference]: Finished difference Result 3455 states and 4499 transitions. [2020-07-17 16:41:29,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-07-17 16:41:29,457 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 245 [2020-07-17 16:41:29,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:29,473 INFO L225 Difference]: With dead ends: 3455 [2020-07-17 16:41:29,474 INFO L226 Difference]: Without dead ends: 2619 [2020-07-17 16:41:29,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 56 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=617, Invalid=1639, Unknown=0, NotChecked=0, Total=2256 [2020-07-17 16:41:29,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2619 states. [2020-07-17 16:41:30,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2619 to 1704. [2020-07-17 16:41:30,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1704 states. [2020-07-17 16:41:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2002 transitions. [2020-07-17 16:41:30,301 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2002 transitions. Word has length 245 [2020-07-17 16:41:30,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:30,304 INFO L479 AbstractCegarLoop]: Abstraction has 1704 states and 2002 transitions. [2020-07-17 16:41:30,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 16:41:30,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2002 transitions. [2020-07-17 16:41:30,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-07-17 16:41:30,314 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:30,314 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:30,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 16:41:30,314 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:30,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:30,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1464679499, now seen corresponding path program 1 times [2020-07-17 16:41:30,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:30,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37422605] [2020-07-17 16:41:30,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,573 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:41:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:41:30,954 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-17 16:41:30,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37422605] [2020-07-17 16:41:30,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:41:30,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-07-17 16:41:30,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571530309] [2020-07-17 16:41:30,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 16:41:30,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:41:30,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 16:41:30,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:41:30,958 INFO L87 Difference]: Start difference. First operand 1704 states and 2002 transitions. Second operand 15 states. [2020-07-17 16:41:31,531 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:41:31,778 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:41:32,025 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:32,273 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:32,505 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:33,490 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:33,720 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:33,962 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:34,228 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:41:34,459 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:41:36,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:41:36,113 INFO L93 Difference]: Finished difference Result 3359 states and 4131 transitions. [2020-07-17 16:41:36,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 16:41:36,113 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 240 [2020-07-17 16:41:36,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:41:36,123 INFO L225 Difference]: With dead ends: 3359 [2020-07-17 16:41:36,123 INFO L226 Difference]: Without dead ends: 1765 [2020-07-17 16:41:36,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-07-17 16:41:36,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2020-07-17 16:41:36,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1493. [2020-07-17 16:41:36,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1493 states. [2020-07-17 16:41:36,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1736 transitions. [2020-07-17 16:41:36,691 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1736 transitions. Word has length 240 [2020-07-17 16:41:36,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:41:36,692 INFO L479 AbstractCegarLoop]: Abstraction has 1493 states and 1736 transitions. [2020-07-17 16:41:36,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 16:41:36,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1736 transitions. [2020-07-17 16:41:36,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-07-17 16:41:36,697 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:41:36,697 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:41:36,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 16:41:36,697 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:41:36,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:41:36,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1671121139, now seen corresponding path program 2 times [2020-07-17 16:41:36,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:41:36,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1166930121] [2020-07-17 16:41:36,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:41:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:41:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:41:37,358 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:41:37,358 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:41:37,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 16:41:37,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:41:37 BoogieIcfgContainer [2020-07-17 16:41:37,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:41:37,719 INFO L168 Benchmark]: Toolchain (without parser) took 59983.30 ms. Allocated memory was 140.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 103.2 MB in the beginning and 337.0 MB in the end (delta: -233.8 MB). Peak memory consumption was 787.0 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:37,720 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 16:41:37,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.84 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 174.4 MB in the end (delta: -71.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:37,721 INFO L168 Benchmark]: Boogie Preprocessor took 88.01 ms. Allocated memory is still 204.5 MB. Free memory was 174.4 MB in the beginning and 170.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:37,722 INFO L168 Benchmark]: RCFGBuilder took 1356.87 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 170.3 MB in the beginning and 180.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:37,723 INFO L168 Benchmark]: TraceAbstraction took 57880.68 ms. Allocated memory was 237.5 MB in the beginning and 1.2 GB in the end (delta: 923.3 MB). Free memory was 180.7 MB in the beginning and 337.0 MB in the end (delta: -156.4 MB). Peak memory consumption was 766.9 MB. Max. memory is 7.1 GB. [2020-07-17 16:41:37,730 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.84 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 174.4 MB in the end (delta: -71.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.01 ms. Allocated memory is still 204.5 MB. Free memory was 174.4 MB in the beginning and 170.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1356.87 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 170.3 MB in the beginning and 180.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 57880.68 ms. Allocated memory was 237.5 MB in the beginning and 1.2 GB in the end (delta: 923.3 MB). Free memory was 180.7 MB in the beginning and 337.0 MB in the end (delta: -156.4 MB). Peak memory consumption was 766.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 437]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L123] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=174, head={176:165}, methaneLevelCritical=145, pumpRunning=0, systemActive=137, waterLevel=142] [L124] int systemActive = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=145, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=174, head={176:165}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=142] [L299] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=145, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=4, head={176:165}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=142] [L611] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=174, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=142] [L809] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=1] [L810] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L375] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L376] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L380] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L381] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L382] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L424] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L427] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L428] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L382] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L382] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L384] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L386] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L387] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L366] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L47] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L48] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L49] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L50] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L51] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L54] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L56] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L58] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L64] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L66] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L68] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L827] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L828] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L68] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L74] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L76] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L84] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L86] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L88] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L294] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L88] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L103] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L131] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L138] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L140] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L160] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L163] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L165] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L257] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L258] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L259] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L263] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L889] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L892] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L896] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L897] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L263] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L263] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L265] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L268] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L270] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L271] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L165] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L165] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L167] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L169] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L188] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L169] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L140] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L146] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L904] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L905] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L909] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L880] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L883] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L884] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L909] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L909] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L911] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L146] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L103] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L56] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L58] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L64] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L66] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L74] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L76] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L84] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L86] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L88] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L294] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L88] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L103] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L131] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L133] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L815] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L816] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L133] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L138] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L140] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L160] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L163] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L178] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L140] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L146] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L904] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L905] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L909] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L880] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L883] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L884] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L909] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L909] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L911] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L146] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L103] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L56] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L58] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L64] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L66] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L74] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L76] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L84] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L86] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L88] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L294] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L88] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L103] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L131] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L133] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L815] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L816] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L133] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L138] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L140] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L160] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L163] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L178] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L140] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L146] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L904] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L905] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L909] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L880] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L883] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L884] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L909] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L909] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L911] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L913] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L212] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L215] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L216] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L913] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L913] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L915] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L917] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L437] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 616 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 57.4s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 48.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2174 SDtfs, 5961 SDslu, 6053 SDs, 0 SdLazy, 12995 SolverSat, 2098 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 502 GetRequests, 286 SyntacticMatches, 6 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1800 ImplicationChecksByTransitivity, 22.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1704occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 2283 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 2007 NumberOfCodeBlocks, 2007 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1702 ConstructedInterpolants, 0 QuantifiedInterpolants, 826559 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 149/161 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 incorrect! Received shutdown request...