./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 04:59:26,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 04:59:26,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 04:59:26,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 04:59:26,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 04:59:26,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 04:59:26,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 04:59:26,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 04:59:26,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 04:59:26,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 04:59:26,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 04:59:26,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 04:59:26,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 04:59:26,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 04:59:26,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 04:59:26,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 04:59:26,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 04:59:26,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 04:59:26,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 04:59:26,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 04:59:26,960 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 04:59:26,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 04:59:26,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 04:59:26,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 04:59:26,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 04:59:26,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 04:59:26,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 04:59:26,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 04:59:26,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 04:59:26,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 04:59:26,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 04:59:26,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 04:59:26,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 04:59:26,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 04:59:26,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 04:59:26,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 04:59:26,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 04:59:26,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 04:59:26,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 04:59:26,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 04:59:26,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 04:59:26,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 04:59:26,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 04:59:27,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 04:59:27,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 04:59:27,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 04:59:27,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 04:59:27,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 04:59:27,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 04:59:27,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 04:59:27,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 04:59:27,012 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 04:59:27,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 04:59:27,013 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 04:59:27,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 04:59:27,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 04:59:27,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 04:59:27,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 04:59:27,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 04:59:27,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 04:59:27,014 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 04:59:27,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 04:59:27,014 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 04:59:27,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 04:59:27,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 04:59:27,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 04:59:27,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 04:59:27,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 04:59:27,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 04:59:27,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 04:59:27,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 04:59:27,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 04:59:27,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 04:59:27,016 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 04:59:27,016 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 04:59:27,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 04:59:27,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 [2022-07-21 04:59:27,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 04:59:27,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 04:59:27,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 04:59:27,302 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 04:59:27,302 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 04:59:27,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2022-07-21 04:59:27,359 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cedaa017/b787573e0cf74db9b315129c034b3bbf/FLAGc3d787995 [2022-07-21 04:59:27,800 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 04:59:27,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2022-07-21 04:59:27,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cedaa017/b787573e0cf74db9b315129c034b3bbf/FLAGc3d787995 [2022-07-21 04:59:28,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cedaa017/b787573e0cf74db9b315129c034b3bbf [2022-07-21 04:59:28,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 04:59:28,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 04:59:28,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 04:59:28,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 04:59:28,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 04:59:28,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:59:28" (1/1) ... [2022-07-21 04:59:28,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7403b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:28, skipping insertion in model container [2022-07-21 04:59:28,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:59:28" (1/1) ... [2022-07-21 04:59:28,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 04:59:28,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 04:59:28,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c[17338,17351] [2022-07-21 04:59:28,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 04:59:28,468 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 04:59:28,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c[17338,17351] [2022-07-21 04:59:28,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 04:59:28,523 INFO L208 MainTranslator]: Completed translation [2022-07-21 04:59:28,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:28 WrapperNode [2022-07-21 04:59:28,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 04:59:28,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 04:59:28,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 04:59:28,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 04:59:28,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:28" (1/1) ... [2022-07-21 04:59:28,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:28" (1/1) ... [2022-07-21 04:59:28,567 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 230 [2022-07-21 04:59:28,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 04:59:28,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 04:59:28,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 04:59:28,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 04:59:28,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:28" (1/1) ... [2022-07-21 04:59:28,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:28" (1/1) ... [2022-07-21 04:59:28,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:28" (1/1) ... [2022-07-21 04:59:28,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:28" (1/1) ... [2022-07-21 04:59:28,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:28" (1/1) ... [2022-07-21 04:59:28,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:28" (1/1) ... [2022-07-21 04:59:28,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:28" (1/1) ... [2022-07-21 04:59:28,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 04:59:28,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 04:59:28,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 04:59:28,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 04:59:28,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:28" (1/1) ... [2022-07-21 04:59:28,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 04:59:28,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:59:28,640 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) [2022-07-21 04:59:28,660 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 [2022-07-21 04:59:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 04:59:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-21 04:59:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-21 04:59:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-21 04:59:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-21 04:59:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-21 04:59:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-21 04:59:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-21 04:59:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-21 04:59:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-21 04:59:28,684 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-21 04:59:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-21 04:59:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-21 04:59:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-21 04:59:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-21 04:59:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-21 04:59:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-21 04:59:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 04:59:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-21 04:59:28,685 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-21 04:59:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 04:59:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 04:59:28,735 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 04:59:28,736 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 04:59:29,061 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 04:59:29,066 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 04:59:29,066 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 04:59:29,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:59:29 BoogieIcfgContainer [2022-07-21 04:59:29,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 04:59:29,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 04:59:29,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 04:59:29,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 04:59:29,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:59:28" (1/3) ... [2022-07-21 04:59:29,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30875f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:59:29, skipping insertion in model container [2022-07-21 04:59:29,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:28" (2/3) ... [2022-07-21 04:59:29,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30875f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:59:29, skipping insertion in model container [2022-07-21 04:59:29,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:59:29" (3/3) ... [2022-07-21 04:59:29,073 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2022-07-21 04:59:29,083 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 04:59:29,083 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 04:59:29,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 04:59:29,136 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@42726d74, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@337982bc [2022-07-21 04:59:29,136 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 04:59:29,147 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 78 states have internal predecessors, (94), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-21 04:59:29,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-21 04:59:29,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:29,155 INFO L195 NwaCegarLoop]: 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] [2022-07-21 04:59:29,156 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:29,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:29,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1391773790, now seen corresponding path program 1 times [2022-07-21 04:59:29,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:29,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7009026] [2022-07-21 04:59:29,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:29,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:29,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 04:59:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:59:29,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:29,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7009026] [2022-07-21 04:59:29,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7009026] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:29,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:59:29,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 04:59:29,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610838958] [2022-07-21 04:59:29,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:29,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 04:59:29,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:29,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 04:59:29,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 04:59:29,388 INFO L87 Difference]: Start difference. First operand has 96 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 78 states have internal predecessors, (94), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:29,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:29,429 INFO L93 Difference]: Finished difference Result 184 states and 247 transitions. [2022-07-21 04:59:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 04:59:29,431 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), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-21 04:59:29,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:29,442 INFO L225 Difference]: With dead ends: 184 [2022-07-21 04:59:29,442 INFO L226 Difference]: Without dead ends: 87 [2022-07-21 04:59:29,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 04:59:29,449 INFO L413 NwaCegarLoop]: 120 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, 120 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 [2022-07-21 04:59:29,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:59:29,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-07-21 04:59:29,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-07-21 04:59:29,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 70 states have internal predecessors, (80), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-21 04:59:29,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 111 transitions. [2022-07-21 04:59:29,490 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 111 transitions. Word has length 23 [2022-07-21 04:59:29,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:29,490 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 111 transitions. [2022-07-21 04:59:29,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:29,491 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 111 transitions. [2022-07-21 04:59:29,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-21 04:59:29,495 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:29,495 INFO L195 NwaCegarLoop]: 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] [2022-07-21 04:59:29,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 04:59:29,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:29,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:29,497 INFO L85 PathProgramCache]: Analyzing trace with hash -60307296, now seen corresponding path program 1 times [2022-07-21 04:59:29,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:29,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523211865] [2022-07-21 04:59:29,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:29,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:29,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 04:59:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:29,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:59:29,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:29,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523211865] [2022-07-21 04:59:29,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523211865] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:29,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:59:29,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 04:59:29,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114101686] [2022-07-21 04:59:29,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:29,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 04:59:29,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:29,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 04:59:29,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 04:59:29,576 INFO L87 Difference]: Start difference. First operand 87 states and 111 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:29,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:29,597 INFO L93 Difference]: Finished difference Result 135 states and 171 transitions. [2022-07-21 04:59:29,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 04:59:29,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-07-21 04:59:29,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:29,601 INFO L225 Difference]: With dead ends: 135 [2022-07-21 04:59:29,601 INFO L226 Difference]: Without dead ends: 78 [2022-07-21 04:59:29,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 04:59:29,608 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 17 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:59:29,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 174 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:59:29,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-07-21 04:59:29,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-07-21 04:59:29,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 64 states have internal predecessors, (73), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-21 04:59:29,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2022-07-21 04:59:29,626 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 24 [2022-07-21 04:59:29,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:29,626 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2022-07-21 04:59:29,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2022-07-21 04:59:29,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-21 04:59:29,627 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:29,627 INFO L195 NwaCegarLoop]: 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] [2022-07-21 04:59:29,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 04:59:29,627 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:29,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:29,628 INFO L85 PathProgramCache]: Analyzing trace with hash -352747749, now seen corresponding path program 1 times [2022-07-21 04:59:29,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:29,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702863906] [2022-07-21 04:59:29,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:29,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:29,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 04:59:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:29,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:59:29,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:29,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702863906] [2022-07-21 04:59:29,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702863906] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:29,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:59:29,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 04:59:29,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625680634] [2022-07-21 04:59:29,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:29,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 04:59:29,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:29,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 04:59:29,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 04:59:29,696 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:29,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:29,718 INFO L93 Difference]: Finished difference Result 218 states and 282 transitions. [2022-07-21 04:59:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 04:59:29,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-07-21 04:59:29,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:29,720 INFO L225 Difference]: With dead ends: 218 [2022-07-21 04:59:29,720 INFO L226 Difference]: Without dead ends: 147 [2022-07-21 04:59:29,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 04:59:29,721 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 91 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:59:29,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 209 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:59:29,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-07-21 04:59:29,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 144. [2022-07-21 04:59:29,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 101 states have (on average 1.3267326732673268) internal successors, (134), 116 states have internal predecessors, (134), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2022-07-21 04:59:29,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 186 transitions. [2022-07-21 04:59:29,736 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 186 transitions. Word has length 29 [2022-07-21 04:59:29,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:29,736 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 186 transitions. [2022-07-21 04:59:29,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:29,736 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 186 transitions. [2022-07-21 04:59:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 04:59:29,748 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:29,748 INFO L195 NwaCegarLoop]: 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] [2022-07-21 04:59:29,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 04:59:29,749 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:29,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:29,750 INFO L85 PathProgramCache]: Analyzing trace with hash 601572044, now seen corresponding path program 1 times [2022-07-21 04:59:29,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:29,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413771683] [2022-07-21 04:59:29,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:29,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:29,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 04:59:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:59:29,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:29,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413771683] [2022-07-21 04:59:29,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413771683] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:29,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:59:29,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 04:59:29,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505833192] [2022-07-21 04:59:29,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:29,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 04:59:29,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:29,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 04:59:29,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 04:59:29,842 INFO L87 Difference]: Start difference. First operand 144 states and 186 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:29,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:29,955 INFO L93 Difference]: Finished difference Result 418 states and 549 transitions. [2022-07-21 04:59:29,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 04:59:29,956 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-21 04:59:29,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:29,960 INFO L225 Difference]: With dead ends: 418 [2022-07-21 04:59:29,960 INFO L226 Difference]: Without dead ends: 281 [2022-07-21 04:59:29,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-21 04:59:29,961 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 70 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 04:59:29,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 488 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 04:59:29,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-07-21 04:59:29,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 275. [2022-07-21 04:59:29,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 190 states have (on average 1.3157894736842106) internal successors, (250), 219 states have internal predecessors, (250), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (54), 34 states have call predecessors, (54), 52 states have call successors, (54) [2022-07-21 04:59:29,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 356 transitions. [2022-07-21 04:59:29,984 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 356 transitions. Word has length 32 [2022-07-21 04:59:29,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:29,984 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 356 transitions. [2022-07-21 04:59:29,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:29,984 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 356 transitions. [2022-07-21 04:59:29,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-21 04:59:29,985 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:29,986 INFO L195 NwaCegarLoop]: 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] [2022-07-21 04:59:29,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 04:59:29,986 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:29,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:29,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1041210672, now seen corresponding path program 1 times [2022-07-21 04:59:29,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:29,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881948281] [2022-07-21 04:59:29,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:29,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:30,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 04:59:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:30,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 04:59:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:30,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:59:30,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:30,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881948281] [2022-07-21 04:59:30,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881948281] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:30,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:59:30,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 04:59:30,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294541281] [2022-07-21 04:59:30,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:30,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 04:59:30,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:30,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 04:59:30,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 04:59:30,066 INFO L87 Difference]: Start difference. First operand 275 states and 356 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 04:59:30,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:30,162 INFO L93 Difference]: Finished difference Result 455 states and 590 transitions. [2022-07-21 04:59:30,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 04:59:30,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-07-21 04:59:30,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:30,164 INFO L225 Difference]: With dead ends: 455 [2022-07-21 04:59:30,164 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 04:59:30,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 04:59:30,168 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 55 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 04:59:30,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 131 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 04:59:30,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 04:59:30,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 04:59:30,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-07-21 04:59:30,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 04:59:30,171 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-07-21 04:59:30,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:30,172 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 04:59:30,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 04:59:30,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 04:59:30,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 04:59:30,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 04:59:30,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 04:59:30,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 04:59:30,577 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 765 772) the Hoare annotation is: true [2022-07-21 04:59:30,578 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 765 772) no Hoare annotation was computed. [2022-07-21 04:59:30,578 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 765 772) no Hoare annotation was computed. [2022-07-21 04:59:30,578 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 681 687) no Hoare annotation was computed. [2022-07-21 04:59:30,578 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 681 687) the Hoare annotation is: true [2022-07-21 04:59:30,578 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 449 460) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-21 04:59:30,578 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2022-07-21 04:59:30,578 INFO L899 garLoopResultBuilder]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2022-07-21 04:59:30,578 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 900) no Hoare annotation was computed. [2022-07-21 04:59:30,578 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 882 911) no Hoare annotation was computed. [2022-07-21 04:59:30,578 INFO L902 garLoopResultBuilder]: At program point L896-1(lines 896 900) the Hoare annotation is: true [2022-07-21 04:59:30,578 INFO L899 garLoopResultBuilder]: For program point L893(line 893) no Hoare annotation was computed. [2022-07-21 04:59:30,578 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 882 911) the Hoare annotation is: true [2022-07-21 04:59:30,578 INFO L902 garLoopResultBuilder]: At program point L892-2(lines 892 906) the Hoare annotation is: true [2022-07-21 04:59:30,578 INFO L902 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: true [2022-07-21 04:59:30,578 INFO L899 garLoopResultBuilder]: For program point L888-1(line 888) no Hoare annotation was computed. [2022-07-21 04:59:30,578 INFO L902 garLoopResultBuilder]: At program point L907(lines 882 911) the Hoare annotation is: true [2022-07-21 04:59:30,579 INFO L899 garLoopResultBuilder]: For program point L903(line 903) no Hoare annotation was computed. [2022-07-21 04:59:30,579 INFO L895 garLoopResultBuilder]: At program point L729(line 729) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 04:59:30,579 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 04:59:30,579 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 570) no Hoare annotation was computed. [2022-07-21 04:59:30,579 INFO L895 garLoopResultBuilder]: At program point L721(line 721) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 04:59:30,579 INFO L899 garLoopResultBuilder]: For program point L721-1(line 721) no Hoare annotation was computed. [2022-07-21 04:59:30,579 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 573) no Hoare annotation was computed. [2022-07-21 04:59:30,579 INFO L895 garLoopResultBuilder]: At program point L560-1(lines 552 576) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~3#1| 0)))) [2022-07-21 04:59:30,579 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 657 680) no Hoare annotation was computed. [2022-07-21 04:59:30,579 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 04:59:30,579 INFO L895 garLoopResultBuilder]: At program point L734-1(lines 715 739) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 04:59:30,579 INFO L899 garLoopResultBuilder]: For program point L668-1(lines 668 674) no Hoare annotation was computed. [2022-07-21 04:59:30,579 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2022-07-21 04:59:30,579 INFO L895 garLoopResultBuilder]: At program point L429-2(lines 425 436) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 04:59:30,579 INFO L895 garLoopResultBuilder]: At program point L789(lines 784 792) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2022-07-21 04:59:30,579 INFO L899 garLoopResultBuilder]: For program point L661-1(lines 660 679) no Hoare annotation was computed. [2022-07-21 04:59:30,580 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 731) no Hoare annotation was computed. [2022-07-21 04:59:30,580 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 736) no Hoare annotation was computed. [2022-07-21 04:59:30,580 INFO L895 garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 04:59:30,580 INFO L899 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2022-07-21 04:59:30,580 INFO L899 garLoopResultBuilder]: For program point L876(line 876) no Hoare annotation was computed. [2022-07-21 04:59:30,580 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 657 680) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 04:59:30,580 INFO L895 garLoopResultBuilder]: At program point L877(lines 872 879) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 04:59:30,580 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 657 680) no Hoare annotation was computed. [2022-07-21 04:59:30,580 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 876) no Hoare annotation was computed. [2022-07-21 04:59:30,580 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 461 469) the Hoare annotation is: true [2022-07-21 04:59:30,580 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2022-07-21 04:59:30,580 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2022-07-21 04:59:30,580 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 636) no Hoare annotation was computed. [2022-07-21 04:59:30,580 INFO L895 garLoopResultBuilder]: At program point L630-2(lines 622 637) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 04:59:30,580 INFO L899 garLoopResultBuilder]: For program point L593(lines 592 641) no Hoare annotation was computed. [2022-07-21 04:59:30,580 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 637) no Hoare annotation was computed. [2022-07-21 04:59:30,581 INFO L895 garLoopResultBuilder]: At program point L940(lines 936 942) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-21 04:59:30,581 INFO L895 garLoopResultBuilder]: At program point L614(line 614) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 04:59:30,581 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 04:59:30,581 INFO L895 garLoopResultBuilder]: At program point L639(lines 592 641) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 04:59:30,581 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 04:59:30,581 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 04:59:30,581 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 608) no Hoare annotation was computed. [2022-07-21 04:59:30,581 INFO L899 garLoopResultBuilder]: For program point L602-1(lines 602 608) no Hoare annotation was computed. [2022-07-21 04:59:30,581 INFO L895 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: false [2022-07-21 04:59:30,581 INFO L899 garLoopResultBuilder]: For program point L594(lines 594 598) no Hoare annotation was computed. [2022-07-21 04:59:30,581 INFO L895 garLoopResultBuilder]: At program point L545(lines 540 548) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-21 04:59:30,581 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 04:59:30,581 INFO L895 garLoopResultBuilder]: At program point L537(lines 533 539) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-21 04:59:30,581 INFO L902 garLoopResultBuilder]: At program point L950(lines 943 952) the Hoare annotation is: true [2022-07-21 04:59:30,581 INFO L902 garLoopResultBuilder]: At program point L645(lines 582 649) the Hoare annotation is: true [2022-07-21 04:59:30,581 INFO L899 garLoopResultBuilder]: For program point L612(lines 612 618) no Hoare annotation was computed. [2022-07-21 04:59:30,581 INFO L895 garLoopResultBuilder]: At program point L868(lines 863 870) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 04:59:30,581 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 970) no Hoare annotation was computed. [2022-07-21 04:59:30,581 INFO L899 garLoopResultBuilder]: For program point L612-1(lines 612 618) no Hoare annotation was computed. [2022-07-21 04:59:30,582 INFO L899 garLoopResultBuilder]: For program point L963-2(lines 963 970) no Hoare annotation was computed. [2022-07-21 04:59:30,582 INFO L895 garLoopResultBuilder]: At program point L604(line 604) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 04:59:30,582 INFO L895 garLoopResultBuilder]: At program point L860(lines 848 862) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-21 04:59:30,582 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2022-07-21 04:59:30,582 INFO L899 garLoopResultBuilder]: For program point L852-1(lines 852 858) no Hoare annotation was computed. [2022-07-21 04:59:30,582 INFO L895 garLoopResultBuilder]: At program point L530(lines 526 532) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-21 04:59:30,582 INFO L902 garLoopResultBuilder]: At program point L972(lines 953 975) the Hoare annotation is: true [2022-07-21 04:59:30,582 INFO L895 garLoopResultBuilder]: At program point L642(lines 591 643) the Hoare annotation is: false [2022-07-21 04:59:30,582 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2022-07-21 04:59:30,582 INFO L899 garLoopResultBuilder]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2022-07-21 04:59:30,582 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 437 448) the Hoare annotation is: true [2022-07-21 04:59:30,582 INFO L895 garLoopResultBuilder]: At program point L703(line 703) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 04:59:30,582 INFO L895 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 04:59:30,582 INFO L895 garLoopResultBuilder]: At program point L699(line 699) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 04:59:30,582 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 705) no Hoare annotation was computed. [2022-07-21 04:59:30,582 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 710) no Hoare annotation was computed. [2022-07-21 04:59:30,582 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 689 713) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 04:59:30,582 INFO L895 garLoopResultBuilder]: At program point L844(lines 829 847) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 04:59:30,583 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 689 713) no Hoare annotation was computed. [2022-07-21 04:59:30,583 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 842) no Hoare annotation was computed. [2022-07-21 04:59:30,583 INFO L899 garLoopResultBuilder]: For program point L838-2(lines 838 842) no Hoare annotation was computed. [2022-07-21 04:59:30,583 INFO L895 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 04:59:30,583 INFO L899 garLoopResultBuilder]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2022-07-21 04:59:30,583 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 773 783) the Hoare annotation is: true [2022-07-21 04:59:30,583 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 773 783) no Hoare annotation was computed. [2022-07-21 04:59:30,583 INFO L902 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: true [2022-07-21 04:59:30,583 INFO L899 garLoopResultBuilder]: For program point L778-1(line 778) no Hoare annotation was computed. [2022-07-21 04:59:30,583 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 773 783) no Hoare annotation was computed. [2022-07-21 04:59:30,585 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-21 04:59:30,586 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 04:59:30,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:59:30 BoogieIcfgContainer [2022-07-21 04:59:30,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 04:59:30,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 04:59:30,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 04:59:30,623 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 04:59:30,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:59:29" (3/4) ... [2022-07-21 04:59:30,625 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 04:59:30,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-21 04:59:30,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-21 04:59:30,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-21 04:59:30,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-21 04:59:30,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-21 04:59:30,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-21 04:59:30,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-21 04:59:30,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-21 04:59:30,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-21 04:59:30,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-07-21 04:59:30,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-21 04:59:30,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-21 04:59:30,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 04:59:30,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 04:59:30,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 04:59:30,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 04:59:30,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-21 04:59:30,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-21 04:59:30,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) [2022-07-21 04:59:30,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2022-07-21 04:59:30,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-21 04:59:30,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-21 04:59:30,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-21 04:59:30,675 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 04:59:30,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 04:59:30,676 INFO L158 Benchmark]: Toolchain (without parser) took 2473.02ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 43.3MB in the beginning and 35.1MB in the end (delta: 8.2MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2022-07-21 04:59:30,676 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 04:59:30,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.34ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 39.0MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-21 04:59:30,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.16ms. Allocated memory is still 65.0MB. Free memory was 39.0MB in the beginning and 36.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 04:59:30,677 INFO L158 Benchmark]: Boogie Preprocessor took 26.70ms. Allocated memory is still 65.0MB. Free memory was 36.6MB in the beginning and 35.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 04:59:30,677 INFO L158 Benchmark]: RCFGBuilder took 472.04ms. Allocated memory is still 65.0MB. Free memory was 35.0MB in the beginning and 37.5MB in the end (delta: -2.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2022-07-21 04:59:30,678 INFO L158 Benchmark]: TraceAbstraction took 1553.42ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 36.7MB in the beginning and 40.5MB in the end (delta: -3.8MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-07-21 04:59:30,678 INFO L158 Benchmark]: Witness Printer took 53.28ms. Allocated memory is still 81.8MB. Free memory was 40.5MB in the beginning and 35.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 04:59:30,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.34ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 39.0MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.16ms. Allocated memory is still 65.0MB. Free memory was 39.0MB in the beginning and 36.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.70ms. Allocated memory is still 65.0MB. Free memory was 36.6MB in the beginning and 35.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.04ms. Allocated memory is still 65.0MB. Free memory was 35.0MB in the beginning and 37.5MB in the end (delta: -2.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1553.42ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 36.7MB in the beginning and 40.5MB in the end (delta: -3.8MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Witness Printer took 53.28ms. Allocated memory is still 81.8MB. Free memory was 40.5MB in the beginning and 35.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 876]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 241 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 233 mSDsluCounter, 1122 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 622 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 500 mSDtfsCounter, 140 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=275occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 445 PreInvPairs, 489 NumberOfFragments, 236 HoareAnnotationTreeSize, 445 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1123 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 263 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-21 04:59:30,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE