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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:08:49,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:08:49,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:08:49,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:08:49,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:08:49,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:08:49,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:08:49,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:08:49,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:08:49,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:08:49,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:08:49,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:08:49,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:08:49,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:08:49,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:08:49,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:08:49,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:08:49,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:08:49,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:08:49,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:08:49,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:08:49,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:08:49,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:08:49,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:08:49,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:08:49,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:08:49,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:08:49,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:08:49,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:08:49,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:08:49,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:08:49,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:08:49,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:08:49,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:08:49,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:08:49,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:08:49,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:08:49,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:08:49,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:08:49,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:08:49,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:08:49,787 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 06:08:49,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:08:49,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:08:49,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:08:49,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:08:49,804 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:08:49,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:08:49,804 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:08:49,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:08:49,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:08:49,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:08:49,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:08:49,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:08:49,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:08:49,806 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:08:49,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:08:49,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:08:49,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:08:49,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:08:49,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:08:49,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:08:49,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:08:49,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:08:49,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:08:49,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:08:49,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:08:49,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:08:49,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:08:49,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:08:49,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:08:49,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:08:49,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:08:49,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:08:49,862 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:08:49,862 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:08:49,863 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c [2019-09-08 06:08:49,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62cbb0811/f288d969003144ba802ba949e8ffedcc/FLAG4366d87fd [2019-09-08 06:08:50,400 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:08:50,403 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c [2019-09-08 06:08:50,414 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62cbb0811/f288d969003144ba802ba949e8ffedcc/FLAG4366d87fd [2019-09-08 06:08:50,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62cbb0811/f288d969003144ba802ba949e8ffedcc [2019-09-08 06:08:50,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:08:50,738 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:08:50,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:50,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:08:50,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:08:50,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:50" (1/1) ... [2019-09-08 06:08:50,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e0a8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:50, skipping insertion in model container [2019-09-08 06:08:50,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:50" (1/1) ... [2019-09-08 06:08:50,758 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:08:50,826 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:08:51,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:51,323 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:08:51,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:51,458 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:08:51,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:51 WrapperNode [2019-09-08 06:08:51,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:51,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:08:51,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:08:51,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:08:51,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:51" (1/1) ... [2019-09-08 06:08:51,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:51" (1/1) ... [2019-09-08 06:08:51,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:51" (1/1) ... [2019-09-08 06:08:51,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:51" (1/1) ... [2019-09-08 06:08:51,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:51" (1/1) ... [2019-09-08 06:08:51,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:51" (1/1) ... [2019-09-08 06:08:51,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:51" (1/1) ... [2019-09-08 06:08:51,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:08:51,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:08:51,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:08:51,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:08:51,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:51" (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 [2019-09-08 06:08:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:08:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:08:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:08:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:08:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:08:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:08:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:08:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:08:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:08:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:08:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:08:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:08:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:08:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:08:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:08:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:08:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:08:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:08:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:08:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-08 06:08:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:08:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:08:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:08:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:08:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:08:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-08 06:08:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:08:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:08:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:08:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:08:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:08:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:08:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:08:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:08:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:08:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:08:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:08:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:08:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:08:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:08:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:08:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:08:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:08:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:08:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:08:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:08:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:08:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:08:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:08:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:08:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:08:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:08:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:08:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:08:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:08:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:08:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:08:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:08:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:08:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-08 06:08:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:08:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:08:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-08 06:08:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:08:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:08:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:08:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:08:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:08:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:08:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:08:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:08:52,891 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:08:52,891 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:08:52,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:52 BoogieIcfgContainer [2019-09-08 06:08:52,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:08:52,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:08:52,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:08:52,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:08:52,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:08:50" (1/3) ... [2019-09-08 06:08:52,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8f393e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:52, skipping insertion in model container [2019-09-08 06:08:52,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:51" (2/3) ... [2019-09-08 06:08:52,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c8f393e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:52, skipping insertion in model container [2019-09-08 06:08:52,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:52" (3/3) ... [2019-09-08 06:08:52,904 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product10.cil.c [2019-09-08 06:08:52,913 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:08:52,920 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:08:52,936 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:08:52,998 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:08:52,999 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:08:52,999 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:08:52,999 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:08:52,999 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:08:53,000 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:08:53,000 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:08:53,000 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:08:53,001 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:08:53,021 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2019-09-08 06:08:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:08:53,030 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:53,031 INFO L399 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] [2019-09-08 06:08:53,033 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:53,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:53,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1414244218, now seen corresponding path program 1 times [2019-09-08 06:08:53,042 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:53,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:53,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:53,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:53,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:53,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:53,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:53,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:08:53,439 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:08:53,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:08:53,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:08:53,457 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2019-09-08 06:08:53,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:53,525 INFO L93 Difference]: Finished difference Result 182 states and 227 transitions. [2019-09-08 06:08:53,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:08:53,527 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-08 06:08:53,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:53,542 INFO L225 Difference]: With dead ends: 182 [2019-09-08 06:08:53,542 INFO L226 Difference]: Without dead ends: 91 [2019-09-08 06:08:53,550 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:08:53,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-09-08 06:08:53,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2019-09-08 06:08:53,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-09-08 06:08:53,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2019-09-08 06:08:53,642 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 52 [2019-09-08 06:08:53,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:53,651 INFO L475 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2019-09-08 06:08:53,651 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:08:53,651 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2019-09-08 06:08:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 06:08:53,655 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:53,656 INFO L399 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] [2019-09-08 06:08:53,656 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:53,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:53,656 INFO L82 PathProgramCache]: Analyzing trace with hash -803860910, now seen corresponding path program 1 times [2019-09-08 06:08:53,657 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:53,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:53,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:53,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:53,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:53,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:53,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:53,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:08:53,848 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:08:53,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:08:53,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:53,849 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 3 states. [2019-09-08 06:08:53,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:53,866 INFO L93 Difference]: Finished difference Result 127 states and 145 transitions. [2019-09-08 06:08:53,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:08:53,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-08 06:08:53,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:53,871 INFO L225 Difference]: With dead ends: 127 [2019-09-08 06:08:53,873 INFO L226 Difference]: Without dead ends: 82 [2019-09-08 06:08:53,875 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:53,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-09-08 06:08:53,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-09-08 06:08:53,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-09-08 06:08:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2019-09-08 06:08:53,891 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 53 [2019-09-08 06:08:53,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:53,892 INFO L475 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2019-09-08 06:08:53,892 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:08:53,892 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2019-09-08 06:08:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 06:08:53,897 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:53,897 INFO L399 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] [2019-09-08 06:08:53,897 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:53,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:53,898 INFO L82 PathProgramCache]: Analyzing trace with hash 9396391, now seen corresponding path program 1 times [2019-09-08 06:08:53,898 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:53,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:53,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:53,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:53,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:54,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:54,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:54,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:08:54,107 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:08:54,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:08:54,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:08:54,109 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 7 states. [2019-09-08 06:08:54,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:54,336 INFO L93 Difference]: Finished difference Result 140 states and 163 transitions. [2019-09-08 06:08:54,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:08:54,337 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-08 06:08:54,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:54,339 INFO L225 Difference]: With dead ends: 140 [2019-09-08 06:08:54,339 INFO L226 Difference]: Without dead ends: 82 [2019-09-08 06:08:54,340 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:08:54,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-09-08 06:08:54,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-09-08 06:08:54,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-09-08 06:08:54,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2019-09-08 06:08:54,350 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 58 [2019-09-08 06:08:54,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:54,350 INFO L475 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2019-09-08 06:08:54,350 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:08:54,351 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2019-09-08 06:08:54,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-08 06:08:54,353 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:54,353 INFO L399 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] [2019-09-08 06:08:54,353 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:54,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:54,354 INFO L82 PathProgramCache]: Analyzing trace with hash 446188768, now seen corresponding path program 1 times [2019-09-08 06:08:54,354 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:54,354 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:54,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:54,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:54,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:54,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:54,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:54,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:08:54,498 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:08:54,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:08:54,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:08:54,499 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 6 states. [2019-09-08 06:08:54,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:54,677 INFO L93 Difference]: Finished difference Result 187 states and 224 transitions. [2019-09-08 06:08:54,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:08:54,677 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-09-08 06:08:54,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:54,682 INFO L225 Difference]: With dead ends: 187 [2019-09-08 06:08:54,683 INFO L226 Difference]: Without dead ends: 129 [2019-09-08 06:08:54,684 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 06:08:54,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-09-08 06:08:54,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2019-09-08 06:08:54,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-09-08 06:08:54,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2019-09-08 06:08:54,733 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 61 [2019-09-08 06:08:54,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:54,735 INFO L475 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2019-09-08 06:08:54,736 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:08:54,736 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2019-09-08 06:08:54,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-08 06:08:54,742 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:54,743 INFO L399 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] [2019-09-08 06:08:54,744 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:54,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:54,744 INFO L82 PathProgramCache]: Analyzing trace with hash 993675046, now seen corresponding path program 1 times [2019-09-08 06:08:54,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:54,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:54,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:54,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:54,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:08:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:08:55,501 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:08:55,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:08:55 BoogieIcfgContainer [2019-09-08 06:08:55,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:08:55,690 INFO L168 Benchmark]: Toolchain (without parser) took 4950.70 ms. Allocated memory was 133.2 MB in the beginning and 261.6 MB in the end (delta: 128.5 MB). Free memory was 88.0 MB in the beginning and 208.9 MB in the end (delta: -120.9 MB). Peak memory consumption was 139.9 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:55,692 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 133.2 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 06:08:55,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.51 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 88.0 MB in the beginning and 167.6 MB in the end (delta: -79.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:55,696 INFO L168 Benchmark]: Boogie Preprocessor took 100.88 ms. Allocated memory is still 201.3 MB. Free memory was 167.6 MB in the beginning and 163.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:55,696 INFO L168 Benchmark]: RCFGBuilder took 1333.20 ms. Allocated memory is still 201.3 MB. Free memory was 163.0 MB in the beginning and 82.6 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:55,698 INFO L168 Benchmark]: TraceAbstraction took 2790.66 ms. Allocated memory was 201.3 MB in the beginning and 261.6 MB in the end (delta: 60.3 MB). Free memory was 81.7 MB in the beginning and 208.9 MB in the end (delta: -127.3 MB). Peak memory consumption was 65.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:55,704 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 133.2 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 717.51 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 88.0 MB in the beginning and 167.6 MB in the end (delta: -79.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.88 ms. Allocated memory is still 201.3 MB. Free memory was 167.6 MB in the beginning and 163.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1333.20 ms. Allocated memory is still 201.3 MB. Free memory was 163.0 MB in the beginning and 82.6 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2790.66 ms. Allocated memory was 201.3 MB in the beginning and 261.6 MB in the end (delta: 60.3 MB). Free memory was 81.7 MB in the beginning and 208.9 MB in the end (delta: -127.3 MB). Peak memory consumption was 65.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L781] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=142, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] int retValue_acc ; [L855] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=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] [L861] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L861] tmp = valid_product() [L863] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L865] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L866] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L848] CALL test() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L543] int splverifierCounter ; [L544] int tmp ; [L545] int tmp___0 ; [L546] int tmp___1 ; [L547] int tmp___2 ; [L550] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L552] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L554] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L560] tmp = __VERIFIER_nondet_int() [L562] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L564] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L102] COND TRUE waterLevel < 2 [L103] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L564] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L570] tmp___0 = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=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] [L580] tmp___2 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___2)) [L588] tmp___1 = __VERIFIER_nondet_int() [L590] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=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___1=0, tmp___2=0, waterLevel=2] [L597] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L628] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L630] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L636] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L748] int tmp ; [L749] int tmp___0 ; [L750] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L754] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); VAL [\old(methaneLevelCritical)=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] [L754] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L754] tmp = isMethaneLevelCritical() [L756] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L760] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); VAL [\old(methaneLevelCritical)=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] [L760] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L760] tmp___0 = getWaterLevel() [L762] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=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] [L764] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); VAL [\old(methaneLevelCritical)=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] [L764] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=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] [L764] tmp___1 = isPumpRunning() [L766] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=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] [L770] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L168] __VERIFIER_error() VAL [\old(methaneLevelCritical)=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, 208 locations, 1 error locations. UNSAFE Result, 2.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 395 SDtfs, 135 SDslu, 591 SDs, 0 SdLazy, 143 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 289 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 20672 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...