/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_spec3_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:34:42,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:34:42,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:34:42,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:34:42,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:34:42,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:34:42,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:34:42,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:34:42,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:34:42,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:34:42,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:34:42,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:34:42,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:34:42,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:34:42,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:34:42,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:34:42,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:34:42,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:34:42,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:34:42,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:34:42,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:34:42,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:34:42,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:34:42,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:34:42,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:34:42,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:34:42,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:34:42,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:34:42,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:34:42,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:34:42,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:34:42,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:34:42,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:34:42,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:34:42,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:34:42,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:34:42,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:34:42,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:34:42,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:34:42,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:34:42,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:34:42,630 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 16:34:42,658 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:34:42,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:34:42,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:34:42,664 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:34:42,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:34:42,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:34:42,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:34:42,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:34:42,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:34:42,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:34:42,665 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:34:42,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:34:42,665 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:34:42,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:34:42,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:34:42,666 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:34:42,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:34:42,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:34:42,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:34:42,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:34:42,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:34:42,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:34:42,669 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 16:34:42,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:34:42,951 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:34:42,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:34:42,957 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:34:42,958 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:34:42,958 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product06.cil.c [2020-07-17 16:34:43,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95638b5b3/4e80727b39914835a19e64221c0a3ba2/FLAGefbdeaf4c [2020-07-17 16:34:43,582 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:34:43,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product06.cil.c [2020-07-17 16:34:43,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95638b5b3/4e80727b39914835a19e64221c0a3ba2/FLAGefbdeaf4c [2020-07-17 16:34:43,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95638b5b3/4e80727b39914835a19e64221c0a3ba2 [2020-07-17 16:34:43,892 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:34:43,895 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:34:43,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:34:43,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:34:43,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:34:43,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:34:43" (1/1) ... [2020-07-17 16:34:43,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78645f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:43, skipping insertion in model container [2020-07-17 16:34:43,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:34:43" (1/1) ... [2020-07-17 16:34:43,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:34:43,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:34:44,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:34:44,272 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:34:44,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:34:44,505 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:34:44,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:44 WrapperNode [2020-07-17 16:34:44,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:34:44,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:34:44,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:34:44,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:34:44,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:44" (1/1) ... [2020-07-17 16:34:44,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:44" (1/1) ... [2020-07-17 16:34:44,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:44" (1/1) ... [2020-07-17 16:34:44,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:44" (1/1) ... [2020-07-17 16:34:44,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:44" (1/1) ... [2020-07-17 16:34:44,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:44" (1/1) ... [2020-07-17 16:34:44,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:44" (1/1) ... [2020-07-17 16:34:44,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:34:44,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:34:44,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:34:44,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:34:44,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:44" (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 16:34:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:34:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:34:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:34:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:34:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:34:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:34:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:34:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:34:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:34:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:34:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:34:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:34:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:34:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:34:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:34:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:34:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 16:34:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:34:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:34:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:34:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:34:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:34:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:34:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:34:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:34:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:34:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:34:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:34:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:34:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:34:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:34:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:34:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:34:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:34:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:34:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:34:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:34:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:34:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:34:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:34:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:34:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:34:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:34:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:34:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:34:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:34:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:34:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:34:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:34:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:34:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:34:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:34:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 16:34:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:34:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:34:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:34:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:34:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:34:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:34:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:34:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:34:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:34:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:34:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:34:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:34:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:34:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:34:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:34:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:34:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:34:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:34:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:34:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:34:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:34:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:34:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:34:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:34:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:34:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:34:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:34:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:34:45,737 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:34:45,737 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:34:45,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:34:45 BoogieIcfgContainer [2020-07-17 16:34:45,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:34:45,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:34:45,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:34:45,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:34:45,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:34:43" (1/3) ... [2020-07-17 16:34:45,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba1a589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:34:45, skipping insertion in model container [2020-07-17 16:34:45,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:44" (2/3) ... [2020-07-17 16:34:45,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba1a589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:34:45, skipping insertion in model container [2020-07-17 16:34:45,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:34:45" (3/3) ... [2020-07-17 16:34:45,752 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product06.cil.c [2020-07-17 16:34:45,760 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:34:45,769 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:34:45,781 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:34:45,800 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:34:45,800 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:34:45,800 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:34:45,800 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:34:45,801 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:34:45,801 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:34:45,801 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:34:45,801 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:34:45,819 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states. [2020-07-17 16:34:45,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-17 16:34:45,838 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:34:45,840 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] [2020-07-17 16:34:45,840 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:34:45,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:34:45,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1857034691, now seen corresponding path program 1 times [2020-07-17 16:34:45,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:34:45,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [981099543] [2020-07-17 16:34:45,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:34:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:46,551 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:34:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:46,754 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 16:34:46,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [981099543] [2020-07-17 16:34:46,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:34:46,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 16:34:46,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272708691] [2020-07-17 16:34:46,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 16:34:46,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:34:46,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 16:34:46,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:34:46,786 INFO L87 Difference]: Start difference. First operand 279 states. Second operand 3 states. [2020-07-17 16:34:48,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:34:48,027 INFO L93 Difference]: Finished difference Result 422 states and 505 transitions. [2020-07-17 16:34:48,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 16:34:48,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-17 16:34:48,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:34:48,046 INFO L225 Difference]: With dead ends: 422 [2020-07-17 16:34:48,047 INFO L226 Difference]: Without dead ends: 268 [2020-07-17 16:34:48,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 16:34:48,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-07-17 16:34:48,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 228. [2020-07-17 16:34:48,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-07-17 16:34:48,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 246 transitions. [2020-07-17 16:34:48,182 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 246 transitions. Word has length 153 [2020-07-17 16:34:48,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:34:48,183 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 246 transitions. [2020-07-17 16:34:48,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 16:34:48,183 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 246 transitions. [2020-07-17 16:34:48,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-17 16:34:48,188 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:34:48,188 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] [2020-07-17 16:34:48,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:34:48,189 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:34:48,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:34:48,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1018336135, now seen corresponding path program 1 times [2020-07-17 16:34:48,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:34:48,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834768983] [2020-07-17 16:34:48,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:34:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:48,550 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:34:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:48,659 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 16:34:48,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834768983] [2020-07-17 16:34:48,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:34:48,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:34:48,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708430179] [2020-07-17 16:34:48,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:34:48,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:34:48,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:34:48,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:34:48,664 INFO L87 Difference]: Start difference. First operand 228 states and 246 transitions. Second operand 4 states. [2020-07-17 16:34:49,243 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:34:49,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:34:49,992 INFO L93 Difference]: Finished difference Result 335 states and 376 transitions. [2020-07-17 16:34:49,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 16:34:49,993 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-07-17 16:34:49,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:34:49,997 INFO L225 Difference]: With dead ends: 335 [2020-07-17 16:34:49,997 INFO L226 Difference]: Without dead ends: 251 [2020-07-17 16:34:49,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 16:34:50,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-07-17 16:34:50,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 218. [2020-07-17 16:34:50,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-07-17 16:34:50,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 233 transitions. [2020-07-17 16:34:50,067 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 233 transitions. Word has length 154 [2020-07-17 16:34:50,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:34:50,068 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 233 transitions. [2020-07-17 16:34:50,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:34:50,068 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 233 transitions. [2020-07-17 16:34:50,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-17 16:34:50,071 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:34:50,071 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, 1] [2020-07-17 16:34:50,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:34:50,071 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:34:50,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:34:50,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1999578566, now seen corresponding path program 1 times [2020-07-17 16:34:50,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:34:50,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [73852034] [2020-07-17 16:34:50,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:34:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:50,408 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:34:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:50,545 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 16:34:50,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [73852034] [2020-07-17 16:34:50,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:34:50,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 16:34:50,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241361458] [2020-07-17 16:34:50,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 16:34:50,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:34:50,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 16:34:50,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 16:34:50,548 INFO L87 Difference]: Start difference. First operand 218 states and 233 transitions. Second operand 10 states. [2020-07-17 16:34:51,193 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:34:51,481 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:34:51,720 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:34:51,942 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:34:52,216 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:34:52,445 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:34:53,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:34:53,709 INFO L93 Difference]: Finished difference Result 381 states and 438 transitions. [2020-07-17 16:34:53,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 16:34:53,710 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-07-17 16:34:53,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:34:53,713 INFO L225 Difference]: With dead ends: 381 [2020-07-17 16:34:53,714 INFO L226 Difference]: Without dead ends: 273 [2020-07-17 16:34:53,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-07-17 16:34:53,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-07-17 16:34:53,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 218. [2020-07-17 16:34:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-07-17 16:34:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 232 transitions. [2020-07-17 16:34:53,793 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 232 transitions. Word has length 167 [2020-07-17 16:34:53,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:34:53,794 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 232 transitions. [2020-07-17 16:34:53,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 16:34:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 232 transitions. [2020-07-17 16:34:53,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-17 16:34:53,796 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:34:53,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:34:53,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:34:53,797 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:34:53,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:34:53,798 INFO L82 PathProgramCache]: Analyzing trace with hash -2083414273, now seen corresponding path program 1 times [2020-07-17 16:34:53,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:34:53,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [482571082] [2020-07-17 16:34:53,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:34:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:54,093 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:34:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:54,230 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 16:34:54,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [482571082] [2020-07-17 16:34:54,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:34:54,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 16:34:54,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147983335] [2020-07-17 16:34:54,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 16:34:54,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:34:54,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 16:34:54,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 16:34:54,233 INFO L87 Difference]: Start difference. First operand 218 states and 232 transitions. Second operand 10 states. [2020-07-17 16:34:54,982 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:34:56,650 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:34:56,960 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:34:57,199 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:34:57,426 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:34:57,687 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:34:58,127 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:34:58,419 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:34:58,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:34:58,910 INFO L93 Difference]: Finished difference Result 592 states and 734 transitions. [2020-07-17 16:34:58,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-17 16:34:58,910 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 175 [2020-07-17 16:34:58,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:34:58,915 INFO L225 Difference]: With dead ends: 592 [2020-07-17 16:34:58,916 INFO L226 Difference]: Without dead ends: 484 [2020-07-17 16:34:58,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2020-07-17 16:34:58,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2020-07-17 16:34:59,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 318. [2020-07-17 16:34:59,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-07-17 16:34:59,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 349 transitions. [2020-07-17 16:34:59,030 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 349 transitions. Word has length 175 [2020-07-17 16:34:59,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:34:59,031 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 349 transitions. [2020-07-17 16:34:59,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 16:34:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 349 transitions. [2020-07-17 16:34:59,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-17 16:34:59,034 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:34:59,035 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:34:59,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:34:59,035 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:34:59,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:34:59,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1543776953, now seen corresponding path program 1 times [2020-07-17 16:34:59,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:34:59,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1422540026] [2020-07-17 16:34:59,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:34:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,350 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:34:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,480 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 16:34:59,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1422540026] [2020-07-17 16:34:59,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:34:59,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 16:34:59,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004109683] [2020-07-17 16:34:59,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 16:34:59,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:34:59,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 16:34:59,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 16:34:59,483 INFO L87 Difference]: Start difference. First operand 318 states and 349 transitions. Second operand 7 states. [2020-07-17 16:34:59,929 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:35:00,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:00,758 INFO L93 Difference]: Finished difference Result 540 states and 628 transitions. [2020-07-17 16:35:00,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 16:35:00,758 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 185 [2020-07-17 16:35:00,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:00,762 INFO L225 Difference]: With dead ends: 540 [2020-07-17 16:35:00,762 INFO L226 Difference]: Without dead ends: 332 [2020-07-17 16:35:00,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:35:00,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-07-17 16:35:00,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 266. [2020-07-17 16:35:00,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-07-17 16:35:00,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 281 transitions. [2020-07-17 16:35:00,830 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 281 transitions. Word has length 185 [2020-07-17 16:35:00,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:00,831 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 281 transitions. [2020-07-17 16:35:00,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 16:35:00,831 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 281 transitions. [2020-07-17 16:35:00,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-17 16:35:00,834 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:00,834 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:35:00,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:35:00,834 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:00,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:00,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1398687596, now seen corresponding path program 1 times [2020-07-17 16:35:00,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:00,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209569240] [2020-07-17 16:35:00,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:35:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:35:01,187 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:35:01,188 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:35:01,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:35:01,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:35:01 BoogieIcfgContainer [2020-07-17 16:35:01,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:35:01,447 INFO L168 Benchmark]: Toolchain (without parser) took 17553.41 ms. Allocated memory was 139.5 MB in the beginning and 557.3 MB in the end (delta: 417.9 MB). Free memory was 103.4 MB in the beginning and 334.8 MB in the end (delta: -231.5 MB). Peak memory consumption was 186.4 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:01,448 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 16:35:01,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.17 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.9 MB in the beginning and 175.1 MB in the end (delta: -72.2 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:01,449 INFO L168 Benchmark]: Boogie Preprocessor took 87.82 ms. Allocated memory is still 204.5 MB. Free memory was 175.1 MB in the beginning and 170.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:01,450 INFO L168 Benchmark]: RCFGBuilder took 1149.25 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 170.8 MB in the beginning and 181.5 MB in the end (delta: -10.7 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:01,451 INFO L168 Benchmark]: TraceAbstraction took 15700.12 ms. Allocated memory was 236.5 MB in the beginning and 557.3 MB in the end (delta: 320.9 MB). Free memory was 180.1 MB in the beginning and 334.8 MB in the end (delta: -154.7 MB). Peak memory consumption was 166.2 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:01,455 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 610.17 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.9 MB in the beginning and 175.1 MB in the end (delta: -72.2 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.82 ms. Allocated memory is still 204.5 MB. Free memory was 175.1 MB in the beginning and 170.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1149.25 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 170.8 MB in the beginning and 181.5 MB in the end (delta: -10.7 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15700.12 ms. Allocated memory was 236.5 MB in the beginning and 557.3 MB in the end (delta: 320.9 MB). Free memory was 180.1 MB in the beginning and 334.8 MB in the end (delta: -154.7 MB). Peak memory consumption was 166.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L96] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=169, \old(head)=176, \old(head)=161, \old(methaneLevelCritical)=145, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=142, cleanupTimeShifts=169, head={176:161}, methaneLevelCritical=145, pumpRunning=0, systemActive=136, waterLevel=142] [L97] int systemActive = 1; VAL [\old(cleanupTimeShifts)=169, \old(head)=161, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=142, cleanupTimeShifts=169, head={176:161}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=142] [L309] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=169, \old(head)=161, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=142, cleanupTimeShifts=169, head={176:161}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=1] [L310] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=169, \old(head)=176, \old(head)=161, \old(methaneLevelCritical)=145, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=142, cleanupTimeShifts=169, head={176:161}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L389] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=169, \old(head)=161, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=142, cleanupTimeShifts=4, head={176:161}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=169, \old(head)=161, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L462] 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] [L463] 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] [L467] 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] [L468] 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] [L469] 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] [L78] 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] [L81] 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] [L82] 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] [L469] 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] [L469] 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] [L471] 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] [L473] 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] [L474] 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] [L456] 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] [L242] 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] [L243] 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] [L244] 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] [L245] 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] [L246] 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] [L249] 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] [L251] 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] [L253] 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] [L259] 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] [L261] 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] [L263] 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] [L327] 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] [L328] 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] [L263] 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] [L269] 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] [L271] 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] [L279] 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] [L281] 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] [L283] 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] [L233] 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] [L283] 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] [L296] 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] [L104] 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] [L111] 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] [L113] 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] [L133] 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] [L136] 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] [L151] FCALL processEnvironment__wrappee__base() 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] [L113] RET 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] [L119] CALL __utac_acc__Specification3_spec__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, waterLevel=2] [L852] 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] [L853] 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] [L854] int tmp___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, waterLevel=2] [L858] CALL, EXPR isMethaneLevelCritical() 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] [L348] 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] [L351] retValue_acc = methaneLevelCritical 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] [L352] 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] [L858] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L860] 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] [L864] CALL, EXPR getWaterLevel() 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] [L380] 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] [L383] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L384] 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=0, retValue_acc=2, systemActive=1, waterLevel=2] [L864] 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=0, systemActive=1, tmp=0, waterLevel=2] [L864] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L866] COND TRUE tmp___0 == 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, tmp=0, tmp___0=2, waterLevel=2] [L868] CALL, EXPR isPumpRunning() 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] [L185] 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] [L188] retValue_acc = pumpRunning 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] [L189] 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] [L868] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L868] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L870] COND FALSE !(\read(tmp___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=2, tmp___1=0, waterLevel=2] [L874] CALL __automaton_fail() 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] [L44] __VERIFIER_error() 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] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 594 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 15.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1021 SDtfs, 1693 SDslu, 1475 SDs, 0 SdLazy, 2600 SolverSat, 500 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=318occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 360 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1014 NumberOfCodeBlocks, 1014 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 829 ConstructedInterpolants, 0 QuantifiedInterpolants, 336566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...