/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 18:15:24,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 18:15:24,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 18:15:24,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 18:15:24,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 18:15:24,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 18:15:24,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 18:15:24,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 18:15:24,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 18:15:24,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 18:15:24,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 18:15:24,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 18:15:24,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 18:15:24,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 18:15:24,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 18:15:24,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 18:15:24,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 18:15:24,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 18:15:24,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 18:15:24,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 18:15:24,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 18:15:24,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 18:15:24,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 18:15:24,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 18:15:24,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 18:15:24,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 18:15:24,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 18:15:24,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 18:15:24,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 18:15:24,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 18:15:24,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 18:15:24,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 18:15:24,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 18:15:24,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 18:15:24,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 18:15:24,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 18:15:24,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 18:15:24,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 18:15:24,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 18:15:24,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 18:15:24,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 18:15:24,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 18:15:24,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 18:15:24,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 18:15:24,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 18:15:24,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 18:15:24,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 18:15:24,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 18:15:24,970 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 18:15:24,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 18:15:24,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 18:15:24,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 18:15:24,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 18:15:24,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 18:15:24,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 18:15:24,970 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 18:15:24,970 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 18:15:24,970 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 18:15:24,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 18:15:24,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 18:15:24,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 18:15:24,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 18:15:24,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 18:15:24,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 18:15:24,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 18:15:24,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 18:15:24,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 18:15:24,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 18:15:24,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 18:15:24,971 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 18:15:24,972 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 18:15:24,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 18:15:24,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 18:15:24,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 18:15:24,993 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 18:15:24,993 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 18:15:25,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 18:15:25,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 18:15:25,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 18:15:25,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 18:15:25,227 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 18:15:25,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product40.cil.c [2022-01-10 18:15:25,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e19c44c3/ec5ccc674de1492380e1a961aa642b30/FLAG82397567f [2022-01-10 18:15:25,699 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 18:15:25,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product40.cil.c [2022-01-10 18:15:25,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e19c44c3/ec5ccc674de1492380e1a961aa642b30/FLAG82397567f [2022-01-10 18:15:25,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e19c44c3/ec5ccc674de1492380e1a961aa642b30 [2022-01-10 18:15:25,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 18:15:25,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 18:15:25,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 18:15:25,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 18:15:25,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 18:15:25,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:15:25" (1/1) ... [2022-01-10 18:15:25,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f99b675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:25, skipping insertion in model container [2022-01-10 18:15:25,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:15:25" (1/1) ... [2022-01-10 18:15:25,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 18:15:25,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 18:15:25,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product40.cil.c[3936,3949] [2022-01-10 18:15:25,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 18:15:25,966 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 18:15:25,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 18:15:25,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product40.cil.c[3936,3949] [2022-01-10 18:15:26,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 18:15:26,020 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 18:15:26,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product40.cil.c[3936,3949] [2022-01-10 18:15:26,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 18:15:26,092 INFO L208 MainTranslator]: Completed translation [2022-01-10 18:15:26,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:26 WrapperNode [2022-01-10 18:15:26,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 18:15:26,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 18:15:26,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 18:15:26,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 18:15:26,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:26" (1/1) ... [2022-01-10 18:15:26,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:26" (1/1) ... [2022-01-10 18:15:26,137 INFO L137 Inliner]: procedures = 57, calls = 157, calls flagged for inlining = 54, calls inlined = 83, statements flattened = 624 [2022-01-10 18:15:26,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 18:15:26,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 18:15:26,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 18:15:26,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 18:15:26,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:26" (1/1) ... [2022-01-10 18:15:26,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:26" (1/1) ... [2022-01-10 18:15:26,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:26" (1/1) ... [2022-01-10 18:15:26,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:26" (1/1) ... [2022-01-10 18:15:26,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:26" (1/1) ... [2022-01-10 18:15:26,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:26" (1/1) ... [2022-01-10 18:15:26,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:26" (1/1) ... [2022-01-10 18:15:26,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 18:15:26,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 18:15:26,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 18:15:26,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 18:15:26,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:26" (1/1) ... [2022-01-10 18:15:26,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 18:15:26,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 18:15:26,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 18:15:26,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 18:15:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 18:15:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 18:15:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 18:15:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 18:15:26,314 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 18:15:26,315 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 18:15:26,713 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 18:15:26,719 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 18:15:26,719 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 18:15:26,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:15:26 BoogieIcfgContainer [2022-01-10 18:15:26,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 18:15:26,721 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 18:15:26,722 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 18:15:26,724 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 18:15:26,726 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:15:26" (1/1) ... [2022-01-10 18:15:26,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 06:15:26 BasicIcfg [2022-01-10 18:15:26,868 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 18:15:26,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 18:15:26,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 18:15:26,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 18:15:26,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:15:25" (1/4) ... [2022-01-10 18:15:26,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57738cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:15:26, skipping insertion in model container [2022-01-10 18:15:26,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:15:26" (2/4) ... [2022-01-10 18:15:26,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57738cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:15:26, skipping insertion in model container [2022-01-10 18:15:26,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:15:26" (3/4) ... [2022-01-10 18:15:26,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57738cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:15:26, skipping insertion in model container [2022-01-10 18:15:26,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 06:15:26" (4/4) ... [2022-01-10 18:15:26,873 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product40.cil.cTransformedIcfg [2022-01-10 18:15:26,876 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 18:15:26,876 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-01-10 18:15:26,903 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 18:15:26,907 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 18:15:26,907 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-10 18:15:26,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 166 states have (on average 1.391566265060241) internal successors, (231), 169 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-10 18:15:26,922 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:15:26,922 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:15:26,923 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:15:26,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:15:26,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1471947997, now seen corresponding path program 1 times [2022-01-10 18:15:26,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:15:26,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434503612] [2022-01-10 18:15:26,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:15:26,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:15:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:15:27,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 18:15:27,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:15:27,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434503612] [2022-01-10 18:15:27,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434503612] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:15:27,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:15:27,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 18:15:27,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234358620] [2022-01-10 18:15:27,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:15:27,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 18:15:27,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:15:27,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 18:15:27,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 18:15:27,122 INFO L87 Difference]: Start difference. First operand has 170 states, 166 states have (on average 1.391566265060241) internal successors, (231), 169 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:27,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:15:27,147 INFO L93 Difference]: Finished difference Result 330 states and 451 transitions. [2022-01-10 18:15:27,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 18:15:27,149 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-01-10 18:15:27,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:15:27,154 INFO L225 Difference]: With dead ends: 330 [2022-01-10 18:15:27,155 INFO L226 Difference]: Without dead ends: 160 [2022-01-10 18:15:27,157 INFO L932 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 [2022-01-10 18:15:27,159 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:15:27,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:15:27,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-01-10 18:15:27,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2022-01-10 18:15:27,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 157 states have (on average 1.356687898089172) internal successors, (213), 159 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 213 transitions. [2022-01-10 18:15:27,208 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 213 transitions. Word has length 19 [2022-01-10 18:15:27,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:15:27,208 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 213 transitions. [2022-01-10 18:15:27,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 213 transitions. [2022-01-10 18:15:27,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 18:15:27,209 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:15:27,209 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:15:27,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 18:15:27,210 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:15:27,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:15:27,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1642269491, now seen corresponding path program 1 times [2022-01-10 18:15:27,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:15:27,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417100556] [2022-01-10 18:15:27,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:15:27,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:15:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:15:27,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 18:15:27,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:15:27,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417100556] [2022-01-10 18:15:27,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417100556] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:15:27,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:15:27,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 18:15:27,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575546245] [2022-01-10 18:15:27,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:15:27,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:15:27,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:15:27,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:15:27,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:15:27,268 INFO L87 Difference]: Start difference. First operand 160 states and 213 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:27,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:15:27,303 INFO L93 Difference]: Finished difference Result 380 states and 509 transitions. [2022-01-10 18:15:27,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:15:27,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-01-10 18:15:27,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:15:27,305 INFO L225 Difference]: With dead ends: 380 [2022-01-10 18:15:27,305 INFO L226 Difference]: Without dead ends: 227 [2022-01-10 18:15:27,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:15:27,306 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 196 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:15:27,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 306 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:15:27,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-01-10 18:15:27,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 218. [2022-01-10 18:15:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 215 states have (on average 1.3627906976744186) internal successors, (293), 217 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 293 transitions. [2022-01-10 18:15:27,322 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 293 transitions. Word has length 20 [2022-01-10 18:15:27,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:15:27,322 INFO L470 AbstractCegarLoop]: Abstraction has 218 states and 293 transitions. [2022-01-10 18:15:27,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:27,322 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 293 transitions. [2022-01-10 18:15:27,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-10 18:15:27,323 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:15:27,323 INFO L514 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] [2022-01-10 18:15:27,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 18:15:27,323 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:15:27,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:15:27,324 INFO L85 PathProgramCache]: Analyzing trace with hash 537070556, now seen corresponding path program 1 times [2022-01-10 18:15:27,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:15:27,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169308526] [2022-01-10 18:15:27,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:15:27,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:15:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:15:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 18:15:27,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:15:27,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169308526] [2022-01-10 18:15:27,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169308526] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:15:27,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:15:27,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 18:15:27,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286452178] [2022-01-10 18:15:27,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:15:27,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:15:27,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:15:27,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:15:27,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:15:27,371 INFO L87 Difference]: Start difference. First operand 218 states and 293 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:27,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:15:27,436 INFO L93 Difference]: Finished difference Result 492 states and 659 transitions. [2022-01-10 18:15:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:15:27,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-01-10 18:15:27,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:15:27,438 INFO L225 Difference]: With dead ends: 492 [2022-01-10 18:15:27,438 INFO L226 Difference]: Without dead ends: 281 [2022-01-10 18:15:27,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:15:27,440 INFO L933 BasicCegarLoop]: 220 mSDtfsCounter, 144 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:15:27,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 322 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:15:27,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-01-10 18:15:27,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 275. [2022-01-10 18:15:27,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 272 states have (on average 1.3125) internal successors, (357), 274 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:27,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 357 transitions. [2022-01-10 18:15:27,459 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 357 transitions. Word has length 25 [2022-01-10 18:15:27,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:15:27,459 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 357 transitions. [2022-01-10 18:15:27,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:27,460 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 357 transitions. [2022-01-10 18:15:27,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-01-10 18:15:27,460 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:15:27,461 INFO L514 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] [2022-01-10 18:15:27,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 18:15:27,461 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:15:27,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:15:27,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1465548980, now seen corresponding path program 1 times [2022-01-10 18:15:27,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:15:27,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460581593] [2022-01-10 18:15:27,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:15:27,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:15:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:15:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 18:15:27,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:15:27,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460581593] [2022-01-10 18:15:27,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460581593] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:15:27,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:15:27,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 18:15:27,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057536160] [2022-01-10 18:15:27,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:15:27,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 18:15:27,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:15:27,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 18:15:27,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 18:15:27,559 INFO L87 Difference]: Start difference. First operand 275 states and 357 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:27,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:15:27,792 INFO L93 Difference]: Finished difference Result 1514 states and 1971 transitions. [2022-01-10 18:15:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 18:15:27,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-01-10 18:15:27,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:15:27,795 INFO L225 Difference]: With dead ends: 1514 [2022-01-10 18:15:27,795 INFO L226 Difference]: Without dead ends: 877 [2022-01-10 18:15:27,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-10 18:15:27,805 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 943 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 18:15:27,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [943 Valid, 1208 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 18:15:27,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2022-01-10 18:15:27,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 381. [2022-01-10 18:15:27,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 378 states have (on average 1.3015873015873016) internal successors, (492), 380 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:27,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 492 transitions. [2022-01-10 18:15:27,839 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 492 transitions. Word has length 30 [2022-01-10 18:15:27,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:15:27,839 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 492 transitions. [2022-01-10 18:15:27,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:15:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 492 transitions. [2022-01-10 18:15:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-01-10 18:15:27,845 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:15:27,845 INFO L514 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] [2022-01-10 18:15:27,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 18:15:27,846 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:15:27,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:15:27,846 INFO L85 PathProgramCache]: Analyzing trace with hash -2101368882, now seen corresponding path program 1 times [2022-01-10 18:15:27,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:15:27,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711311467] [2022-01-10 18:15:27,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:15:27,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:15:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 18:15:27,876 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 18:15:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 18:15:27,937 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 18:15:27,937 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 18:15:27,938 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-10 18:15:27,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-10 18:15:27,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-10 18:15:27,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 18:15:27,941 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-01-10 18:15:27,944 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 18:15:28,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:15:28 BasicIcfg [2022-01-10 18:15:28,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 18:15:28,022 INFO L158 Benchmark]: Toolchain (without parser) took 2295.98ms. Allocated memory was 202.4MB in the beginning and 249.6MB in the end (delta: 47.2MB). Free memory was 157.7MB in the beginning and 221.6MB in the end (delta: -63.8MB). Peak memory consumption was 90.6MB. Max. memory is 8.0GB. [2022-01-10 18:15:28,022 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 202.4MB. Free memory is still 174.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 18:15:28,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.10ms. Allocated memory is still 202.4MB. Free memory was 157.5MB in the beginning and 164.8MB in the end (delta: -7.3MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. [2022-01-10 18:15:28,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.88ms. Allocated memory is still 202.4MB. Free memory was 164.8MB in the beginning and 161.1MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 18:15:28,023 INFO L158 Benchmark]: Boogie Preprocessor took 25.93ms. Allocated memory is still 202.4MB. Free memory was 161.1MB in the beginning and 158.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 18:15:28,023 INFO L158 Benchmark]: RCFGBuilder took 556.21ms. Allocated memory is still 202.4MB. Free memory was 158.5MB in the beginning and 135.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-01-10 18:15:28,023 INFO L158 Benchmark]: IcfgTransformer took 146.11ms. Allocated memory is still 202.4MB. Free memory was 135.4MB in the beginning and 126.0MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-10 18:15:28,024 INFO L158 Benchmark]: TraceAbstraction took 1153.13ms. Allocated memory was 202.4MB in the beginning and 249.6MB in the end (delta: 47.2MB). Free memory was 125.5MB in the beginning and 221.6MB in the end (delta: -96.1MB). Peak memory consumption was 58.6MB. Max. memory is 8.0GB. [2022-01-10 18:15:28,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 202.4MB. Free memory is still 174.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 365.10ms. Allocated memory is still 202.4MB. Free memory was 157.5MB in the beginning and 164.8MB in the end (delta: -7.3MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.88ms. Allocated memory is still 202.4MB. Free memory was 164.8MB in the beginning and 161.1MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.93ms. Allocated memory is still 202.4MB. Free memory was 161.1MB in the beginning and 158.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 556.21ms. Allocated memory is still 202.4MB. Free memory was 158.5MB in the beginning and 135.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * IcfgTransformer took 146.11ms. Allocated memory is still 202.4MB. Free memory was 135.4MB in the beginning and 126.0MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1153.13ms. Allocated memory was 202.4MB in the beginning and 249.6MB in the end (delta: 47.2MB). Free memory was 125.5MB in the beginning and 221.6MB in the end (delta: -96.1MB). Peak memory consumption was 58.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 231]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L239] int waterLevel = 1; [L240] int methaneLevelCritical = 0; [L337] int pumpRunning = 0; [L338] int systemActive = 1; [L776] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [\result=-1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L539] int splverifierCounter ; [L540] int tmp ; [L541] int tmp___0 ; [L542] int tmp___1 ; [L543] int tmp___2 ; [L546] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L548] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L550] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L556] tmp = __VERIFIER_nondet_int() [L558] COND TRUE \read(tmp) [L560] CALL waterRise() [L257] COND TRUE waterLevel < 2 [L258] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L560] RET waterRise() [L566] tmp___0 = __VERIFIER_nondet_int() [L568] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=29, tmp___0=0, waterLevel=2] [L576] tmp___2 = __VERIFIER_nondet_int() [L578] COND FALSE !(\read(tmp___2)) [L584] tmp___1 = __VERIFIER_nondet_int() [L586] COND TRUE \read(tmp___1) [L588] CALL stopSystem() [L518] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L525] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L588] RET stopSystem() [L595] CALL timeShift() [L344] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L351] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L359] CALL __utac_acc__Specification3_spec__1() [L194] int tmp ; [L195] int tmp___0 ; [L196] int tmp___1 ; [L200] CALL, EXPR isMethaneLevelCritical() [L278] int retValue_acc ; [L281] retValue_acc = methaneLevelCritical [L282] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L200] RET, EXPR isMethaneLevelCritical() [L200] tmp = isMethaneLevelCritical() [L202] COND FALSE !(\read(tmp)) [L206] CALL, EXPR getWaterLevel() [L310] int retValue_acc ; [L313] retValue_acc = waterLevel [L314] return (retValue_acc); VAL [\result=-2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L206] RET, EXPR getWaterLevel() [L206] tmp___0 = getWaterLevel() [L208] COND TRUE tmp___0 == 2 [L210] CALL, EXPR isPumpRunning() [L451] int retValue_acc ; [L454] retValue_acc = pumpRunning [L455] return (retValue_acc); VAL [\result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L210] RET, EXPR isPumpRunning() [L210] tmp___1 = isPumpRunning() [L212] COND FALSE !(\read(tmp___1)) [L216] CALL __automaton_fail() [L231] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - UnprovableResult [Line: 231]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 231]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 170 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1283 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1283 mSDsluCounter, 2057 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1045 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 191 IncrementalHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 1012 mSDtfsCounter, 191 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=381occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 511 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2022-01-10 18:15:28,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...