./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_spec2_product31.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 bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:18:21,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:18:21,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:18:21,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:18:21,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:18:21,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:18:21,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:18:21,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:18:21,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:18:21,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:18:21,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:18:21,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:18:21,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:18:21,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:18:21,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:18:21,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:18:21,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:18:21,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:18:21,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:18:21,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:18:21,454 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:18:21,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:18:21,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:18:21,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:18:21,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:18:21,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:18:21,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:18:21,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:18:21,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:18:21,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:18:21,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:18:21,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:18:21,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:18:21,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:18:21,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:18:21,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:18:21,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:18:21,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:18:21,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:18:21,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:18:21,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:18:21,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:18:21,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:18:21,529 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:18:21,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:18:21,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:18:21,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:18:21,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:18:21,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:18:21,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:18:21,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:18:21,531 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:18:21,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:18:21,532 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:18:21,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:18:21,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:18:21,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:18:21,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:18:21,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:18:21,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:18:21,533 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:18:21,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:18:21,534 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:18:21,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:18:21,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:18:21,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:18:21,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:18:21,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:18:21,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:18:21,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:18:21,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:18:21,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:18:21,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:18:21,536 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:18:21,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:18:21,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:18:21,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 [2022-07-12 06:18:21,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:18:21,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:18:21,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:18:21,943 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:18:21,944 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:18:21,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2022-07-12 06:18:22,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6f0aca0/e19241b0f67642f0aed5f828c7706120/FLAG93fa0fd09 [2022-07-12 06:18:22,730 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:18:22,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2022-07-12 06:18:22,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6f0aca0/e19241b0f67642f0aed5f828c7706120/FLAG93fa0fd09 [2022-07-12 06:18:23,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6f0aca0/e19241b0f67642f0aed5f828c7706120 [2022-07-12 06:18:23,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:18:23,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:18:23,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:18:23,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:18:23,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:18:23,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:18:23" (1/1) ... [2022-07-12 06:18:23,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac9b736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:23, skipping insertion in model container [2022-07-12 06:18:23,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:18:23" (1/1) ... [2022-07-12 06:18:23,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:18:23,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:18:23,446 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_spec2_product31.cil.c[2627,2640] [2022-07-12 06:18:23,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:18:23,648 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:18:23,659 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_spec2_product31.cil.c[2627,2640] [2022-07-12 06:18:23,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:18:23,774 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:18:23,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:23 WrapperNode [2022-07-12 06:18:23,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:18:23,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:18:23,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:18:23,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:18:23,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:23" (1/1) ... [2022-07-12 06:18:23,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:23" (1/1) ... [2022-07-12 06:18:23,859 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 235 [2022-07-12 06:18:23,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:18:23,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:18:23,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:18:23,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:18:23,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:23" (1/1) ... [2022-07-12 06:18:23,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:23" (1/1) ... [2022-07-12 06:18:23,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:23" (1/1) ... [2022-07-12 06:18:23,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:23" (1/1) ... [2022-07-12 06:18:23,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:23" (1/1) ... [2022-07-12 06:18:23,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:23" (1/1) ... [2022-07-12 06:18:23,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:23" (1/1) ... [2022-07-12 06:18:23,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:18:23,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:18:23,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:18:23,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:18:23,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:23" (1/1) ... [2022-07-12 06:18:23,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:18:23,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:23,989 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) [2022-07-12 06:18:24,034 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 [2022-07-12 06:18:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:18:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-12 06:18:24,074 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-12 06:18:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-12 06:18:24,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-12 06:18:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-12 06:18:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-12 06:18:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-12 06:18:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-12 06:18:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-12 06:18:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-12 06:18:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-12 06:18:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-12 06:18:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-12 06:18:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-12 06:18:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-12 06:18:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-12 06:18:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:18:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-12 06:18:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-12 06:18:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:18:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:18:24,187 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:18:24,189 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:18:24,585 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:18:24,600 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:18:24,601 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 06:18:24,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:24 BoogieIcfgContainer [2022-07-12 06:18:24,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:18:24,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:18:24,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:18:24,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:18:24,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:18:23" (1/3) ... [2022-07-12 06:18:24,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ecfed50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:18:24, skipping insertion in model container [2022-07-12 06:18:24,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:23" (2/3) ... [2022-07-12 06:18:24,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ecfed50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:18:24, skipping insertion in model container [2022-07-12 06:18:24,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:24" (3/3) ... [2022-07-12 06:18:24,614 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2022-07-12 06:18:24,625 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:18:24,625 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:18:24,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:18:24,687 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@235d314, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5ae52fa2 [2022-07-12 06:18:24,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:18:24,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 79 states have internal predecessors, (96), 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) [2022-07-12 06:18:24,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-12 06:18:24,702 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:24,704 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] [2022-07-12 06:18:24,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:24,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:24,711 INFO L85 PathProgramCache]: Analyzing trace with hash -255252744, now seen corresponding path program 1 times [2022-07-12 06:18:24,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:24,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083583345] [2022-07-12 06:18:24,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:24,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:18:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:24,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:24,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083583345] [2022-07-12 06:18:24,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083583345] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:24,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:24,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:18:25,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194786052] [2022-07-12 06:18:25,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:25,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:18:25,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:25,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:18:25,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:18:25,067 INFO L87 Difference]: Start difference. First operand has 97 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 79 states have internal predecessors, (96), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-07-12 06:18:25,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:25,111 INFO L93 Difference]: Finished difference Result 185 states and 250 transitions. [2022-07-12 06:18:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:18:25,125 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2022-07-12 06:18:25,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:25,131 INFO L225 Difference]: With dead ends: 185 [2022-07-12 06:18:25,133 INFO L226 Difference]: Without dead ends: 88 [2022-07-12 06:18:25,137 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 [2022-07-12 06:18:25,142 INFO L413 NwaCegarLoop]: 122 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, 122 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 [2022-07-12 06:18:25,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:25,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-07-12 06:18:25,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-07-12 06:18:25,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 71 states have internal predecessors, (82), 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) [2022-07-12 06:18:25,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2022-07-12 06:18:25,212 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 25 [2022-07-12 06:18:25,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:25,212 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-07-12 06:18:25,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-07-12 06:18:25,213 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2022-07-12 06:18:25,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-12 06:18:25,227 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:25,228 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] [2022-07-12 06:18:25,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 06:18:25,229 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:25,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:25,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1869248240, now seen corresponding path program 1 times [2022-07-12 06:18:25,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:25,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886106597] [2022-07-12 06:18:25,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:25,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:25,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 06:18:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:25,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:25,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:25,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886106597] [2022-07-12 06:18:25,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886106597] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:25,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:25,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:18:25,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927542706] [2022-07-12 06:18:25,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:25,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:18:25,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:25,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:18:25,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:18:25,360 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-07-12 06:18:25,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:25,394 INFO L93 Difference]: Finished difference Result 137 states and 175 transitions. [2022-07-12 06:18:25,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:18:25,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2022-07-12 06:18:25,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:25,396 INFO L225 Difference]: With dead ends: 137 [2022-07-12 06:18:25,396 INFO L226 Difference]: Without dead ends: 79 [2022-07-12 06:18:25,397 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 [2022-07-12 06:18:25,401 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 16 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 179 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 [2022-07-12 06:18:25,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 179 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:25,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-07-12 06:18:25,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-07-12 06:18:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 65 states have internal predecessors, (75), 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) [2022-07-12 06:18:25,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2022-07-12 06:18:25,425 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 26 [2022-07-12 06:18:25,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:25,426 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2022-07-12 06:18:25,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-07-12 06:18:25,433 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2022-07-12 06:18:25,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-12 06:18:25,439 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:25,439 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] [2022-07-12 06:18:25,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 06:18:25,439 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:25,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:25,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1012211940, now seen corresponding path program 1 times [2022-07-12 06:18:25,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:25,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168655992] [2022-07-12 06:18:25,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:25,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:25,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:18:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:25,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:25,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:25,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168655992] [2022-07-12 06:18:25,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168655992] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:25,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:25,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:18:25,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169612550] [2022-07-12 06:18:25,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:25,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:18:25,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:25,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:18:25,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:18:25,637 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2022-07-12 06:18:25,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:25,888 INFO L93 Difference]: Finished difference Result 263 states and 344 transitions. [2022-07-12 06:18:25,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 06:18:25,889 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2022-07-12 06:18:25,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:25,891 INFO L225 Difference]: With dead ends: 263 [2022-07-12 06:18:25,893 INFO L226 Difference]: Without dead ends: 192 [2022-07-12 06:18:25,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 06:18:25,896 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 210 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:25,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 491 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:18:25,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-07-12 06:18:25,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 186. [2022-07-12 06:18:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 133 states have (on average 1.3533834586466165) internal successors, (180), 151 states have internal predecessors, (180), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 21 states have call predecessors, (32), 31 states have call successors, (32) [2022-07-12 06:18:25,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 243 transitions. [2022-07-12 06:18:25,966 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 243 transitions. Word has length 30 [2022-07-12 06:18:25,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:25,967 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 243 transitions. [2022-07-12 06:18:25,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2022-07-12 06:18:25,967 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2022-07-12 06:18:25,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-12 06:18:25,970 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:25,970 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] [2022-07-12 06:18:25,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 06:18:25,970 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:25,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:25,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1859613018, now seen corresponding path program 1 times [2022-07-12 06:18:25,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:25,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857484971] [2022-07-12 06:18:25,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:25,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:26,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:18:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:26,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:26,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:26,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857484971] [2022-07-12 06:18:26,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857484971] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:26,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:26,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:18:26,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067789491] [2022-07-12 06:18:26,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:26,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:18:26,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:26,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:18:26,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:18:26,113 INFO L87 Difference]: Start difference. First operand 186 states and 243 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-07-12 06:18:26,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:26,300 INFO L93 Difference]: Finished difference Result 540 states and 717 transitions. [2022-07-12 06:18:26,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 06:18:26,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 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 34 [2022-07-12 06:18:26,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:26,310 INFO L225 Difference]: With dead ends: 540 [2022-07-12 06:18:26,310 INFO L226 Difference]: Without dead ends: 362 [2022-07-12 06:18:26,312 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 [2022-07-12 06:18:26,321 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 69 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 497 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 [2022-07-12 06:18:26,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 497 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:18:26,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-07-12 06:18:26,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 353. [2022-07-12 06:18:26,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 248 states have (on average 1.3306451612903225) internal successors, (330), 283 states have internal predecessors, (330), 62 states have call successors, (62), 42 states have call predecessors, (62), 42 states have return successors, (67), 42 states have call predecessors, (67), 62 states have call successors, (67) [2022-07-12 06:18:26,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 459 transitions. [2022-07-12 06:18:26,415 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 459 transitions. Word has length 34 [2022-07-12 06:18:26,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:26,415 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 459 transitions. [2022-07-12 06:18:26,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-07-12 06:18:26,416 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 459 transitions. [2022-07-12 06:18:26,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-12 06:18:26,419 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:26,419 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, 1, 1] [2022-07-12 06:18:26,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 06:18:26,420 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:26,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:26,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1437913570, now seen corresponding path program 1 times [2022-07-12 06:18:26,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:26,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646729852] [2022-07-12 06:18:26,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:26,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:26,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:18:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:26,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 06:18:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:26,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:18:26,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:26,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646729852] [2022-07-12 06:18:26,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646729852] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:26,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:26,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:18:26,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924329407] [2022-07-12 06:18:26,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:26,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:18:26,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:26,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:18:26,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:18:26,559 INFO L87 Difference]: Start difference. First operand 353 states and 459 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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) [2022-07-12 06:18:26,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:26,685 INFO L93 Difference]: Finished difference Result 598 states and 783 transitions. [2022-07-12 06:18:26,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 06:18:26,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 38 [2022-07-12 06:18:26,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:26,686 INFO L225 Difference]: With dead ends: 598 [2022-07-12 06:18:26,686 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 06:18:26,687 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 [2022-07-12 06:18:26,689 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 54 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 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 [2022-07-12 06:18:26,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 131 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:18:26,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 06:18:26,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 06:18:26,691 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) [2022-07-12 06:18:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 06:18:26,692 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-07-12 06:18:26,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:26,693 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 06:18:26,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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) [2022-07-12 06:18:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 06:18:26,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 06:18:26,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 06:18:26,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 06:18:26,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 06:18:27,441 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 251 258) the Hoare annotation is: true [2022-07-12 06:18:27,447 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 251 258) no Hoare annotation was computed. [2022-07-12 06:18:27,448 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 251 258) no Hoare annotation was computed. [2022-07-12 06:18:27,448 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 167 173) no Hoare annotation was computed. [2022-07-12 06:18:27,448 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 167 173) the Hoare annotation is: true [2022-07-12 06:18:27,448 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 917 928) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-12 06:18:27,448 INFO L899 garLoopResultBuilder]: For program point L921-1(lines 917 928) no Hoare annotation was computed. [2022-07-12 06:18:27,449 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 917 928) no Hoare annotation was computed. [2022-07-12 06:18:27,449 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 929 937) the Hoare annotation is: true [2022-07-12 06:18:27,449 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 929 937) no Hoare annotation was computed. [2022-07-12 06:18:27,449 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 929 937) no Hoare annotation was computed. [2022-07-12 06:18:27,449 INFO L902 garLoopResultBuilder]: At program point L800(line 800) the Hoare annotation is: true [2022-07-12 06:18:27,449 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 794 823) no Hoare annotation was computed. [2022-07-12 06:18:27,449 INFO L899 garLoopResultBuilder]: For program point L800-1(line 800) no Hoare annotation was computed. [2022-07-12 06:18:27,450 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 794 823) the Hoare annotation is: true [2022-07-12 06:18:27,450 INFO L902 garLoopResultBuilder]: At program point L819(lines 794 823) the Hoare annotation is: true [2022-07-12 06:18:27,450 INFO L899 garLoopResultBuilder]: For program point L815(line 815) no Hoare annotation was computed. [2022-07-12 06:18:27,450 INFO L899 garLoopResultBuilder]: For program point L808(lines 808 812) no Hoare annotation was computed. [2022-07-12 06:18:27,450 INFO L902 garLoopResultBuilder]: At program point L808-1(lines 808 812) the Hoare annotation is: true [2022-07-12 06:18:27,451 INFO L899 garLoopResultBuilder]: For program point L805(line 805) no Hoare annotation was computed. [2022-07-12 06:18:27,451 INFO L902 garLoopResultBuilder]: At program point L804-2(lines 804 818) the Hoare annotation is: true [2022-07-12 06:18:27,451 INFO L899 garLoopResultBuilder]: For program point L126(line 126) no Hoare annotation was computed. [2022-07-12 06:18:27,451 INFO L895 garLoopResultBuilder]: At program point L275(lines 270 278) 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))))) [2022-07-12 06:18:27,451 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 146 165) no Hoare annotation was computed. [2022-07-12 06:18:27,451 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 217) no Hoare annotation was computed. [2022-07-12 06:18:27,451 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 222) no Hoare annotation was computed. [2022-07-12 06:18:27,452 INFO L899 garLoopResultBuilder]: For program point L775(lines 775 785) no Hoare annotation was computed. [2022-07-12 06:18:27,452 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 143 166) no Hoare annotation was computed. [2022-07-12 06:18:27,452 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 788) no Hoare annotation was computed. [2022-07-12 06:18:27,452 INFO L895 garLoopResultBuilder]: At program point L771-1(lines 763 791) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~8#1| 0) (not (= ~methaneLevelCritical~0 0))))) [2022-07-12 06:18:27,452 INFO L895 garLoopResultBuilder]: At program point L127(lines 122 129) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-12 06:18:27,452 INFO L899 garLoopResultBuilder]: For program point L776(lines 776 782) no Hoare annotation was computed. [2022-07-12 06:18:27,452 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-12 06:18:27,453 INFO L895 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-12 06:18:27,453 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-12 06:18:27,453 INFO L899 garLoopResultBuilder]: For program point L207-1(line 207) no Hoare annotation was computed. [2022-07-12 06:18:27,453 INFO L899 garLoopResultBuilder]: For program point L897(lines 897 901) no Hoare annotation was computed. [2022-07-12 06:18:27,453 INFO L895 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-12 06:18:27,454 INFO L899 garLoopResultBuilder]: For program point L769-1(line 769) no Hoare annotation was computed. [2022-07-12 06:18:27,454 INFO L895 garLoopResultBuilder]: At program point L897-2(lines 893 904) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-12 06:18:27,454 INFO L895 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-12 06:18:27,455 INFO L895 garLoopResultBuilder]: At program point L220-1(lines 201 225) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-12 06:18:27,463 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 154 160) no Hoare annotation was computed. [2022-07-12 06:18:27,463 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 143 166) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-12 06:18:27,463 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 143 166) no Hoare annotation was computed. [2022-07-12 06:18:27,464 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 126) no Hoare annotation was computed. [2022-07-12 06:18:27,464 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-07-12 06:18:27,464 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-07-12 06:18:27,464 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-12 06:18:27,464 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-12 06:18:27,464 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 06:18:27,465 INFO L895 garLoopResultBuilder]: At program point L383(lines 378 386) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-07-12 06:18:27,465 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 06:18:27,465 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 06:18:27,465 INFO L895 garLoopResultBuilder]: At program point L346(lines 334 348) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-12 06:18:27,465 INFO L895 garLoopResultBuilder]: At program point L375(lines 371 377) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-12 06:18:27,465 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2022-07-12 06:18:27,465 INFO L899 garLoopResultBuilder]: For program point L338-1(lines 338 344) no Hoare annotation was computed. [2022-07-12 06:18:27,465 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2022-07-12 06:18:27,466 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 06:18:27,466 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2022-07-12 06:18:27,466 INFO L902 garLoopResultBuilder]: At program point L863(lines 855 865) the Hoare annotation is: true [2022-07-12 06:18:27,466 INFO L895 garLoopResultBuilder]: At program point L760(lines 755 762) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0)) [2022-07-12 06:18:27,466 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-12 06:18:27,466 INFO L902 garLoopResultBuilder]: At program point L116(lines 55 120) the Hoare annotation is: true [2022-07-12 06:18:27,466 INFO L895 garLoopResultBuilder]: At program point L368(lines 364 370) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-12 06:18:27,467 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 883) no Hoare annotation was computed. [2022-07-12 06:18:27,467 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2022-07-12 06:18:27,467 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2022-07-12 06:18:27,467 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 883) no Hoare annotation was computed. [2022-07-12 06:18:27,467 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2022-07-12 06:18:27,468 INFO L902 garLoopResultBuilder]: At program point L885(lines 866 888) the Hoare annotation is: true [2022-07-12 06:18:27,468 INFO L895 garLoopResultBuilder]: At program point L852(lines 848 854) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0)) [2022-07-12 06:18:27,468 INFO L895 garLoopResultBuilder]: At program point L340(line 340) the Hoare annotation is: false [2022-07-12 06:18:27,469 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2022-07-12 06:18:27,469 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2022-07-12 06:18:27,470 INFO L895 garLoopResultBuilder]: At program point L101-2(lines 95 108) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-12 06:18:27,470 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 905 916) no Hoare annotation was computed. [2022-07-12 06:18:27,470 INFO L899 garLoopResultBuilder]: For program point L909-1(lines 905 916) no Hoare annotation was computed. [2022-07-12 06:18:27,470 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 905 916) the Hoare annotation is: true [2022-07-12 06:18:27,470 INFO L899 garLoopResultBuilder]: For program point L194-1(lines 175 199) no Hoare annotation was computed. [2022-07-12 06:18:27,470 INFO L895 garLoopResultBuilder]: At program point L975(lines 970 978) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-12 06:18:27,470 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-12 06:18:27,471 INFO L895 garLoopResultBuilder]: At program point L185(line 185) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-12 06:18:27,471 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed. [2022-07-12 06:18:27,471 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 196) no Hoare annotation was computed. [2022-07-12 06:18:27,471 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 175 199) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-12 06:18:27,471 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 175 199) no Hoare annotation was computed. [2022-07-12 06:18:27,471 INFO L895 garLoopResultBuilder]: At program point L330(lines 315 333) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-12 06:18:27,471 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 328) no Hoare annotation was computed. [2022-07-12 06:18:27,471 INFO L899 garLoopResultBuilder]: For program point L324-2(lines 324 328) no Hoare annotation was computed. [2022-07-12 06:18:27,472 INFO L895 garLoopResultBuilder]: At program point L194(line 194) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-12 06:18:27,472 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 259 269) the Hoare annotation is: true [2022-07-12 06:18:27,472 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 259 269) no Hoare annotation was computed. [2022-07-12 06:18:27,472 INFO L902 garLoopResultBuilder]: At program point L264(line 264) the Hoare annotation is: true [2022-07-12 06:18:27,472 INFO L899 garLoopResultBuilder]: For program point L264-1(line 264) no Hoare annotation was computed. [2022-07-12 06:18:27,472 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 259 269) no Hoare annotation was computed. [2022-07-12 06:18:27,486 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-12 06:18:27,488 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 06:18:27,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:18:27 BoogieIcfgContainer [2022-07-12 06:18:27,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 06:18:27,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 06:18:27,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 06:18:27,528 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 06:18:27,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:24" (3/4) ... [2022-07-12 06:18:27,530 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 06:18:27,548 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-12 06:18:27,548 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-12 06:18:27,548 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-12 06:18:27,548 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-12 06:18:27,548 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-12 06:18:27,548 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-12 06:18:27,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-12 06:18:27,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-12 06:18:27,549 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-12 06:18:27,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-07-12 06:18:27,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-12 06:18:27,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 06:18:27,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 06:18:27,563 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 06:18:27,563 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:18:27,564 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:18:27,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-07-12 06:18:27,597 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-12 06:18:27,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-12 06:18:27,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-12 06:18:27,599 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-07-12 06:18:27,614 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) [2022-07-12 06:18:27,615 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2022-07-12 06:18:27,615 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-12 06:18:27,615 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-12 06:18:27,615 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-12 06:18:27,655 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 06:18:27,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 06:18:27,655 INFO L158 Benchmark]: Toolchain (without parser) took 4617.37ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 79.2MB in the beginning and 89.0MB in the end (delta: -9.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-07-12 06:18:27,656 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:18:27,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 735.15ms. Allocated memory is still 115.3MB. Free memory was 79.0MB in the beginning and 82.9MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-12 06:18:27,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.76ms. Allocated memory is still 115.3MB. Free memory was 82.9MB in the beginning and 80.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:18:27,656 INFO L158 Benchmark]: Boogie Preprocessor took 66.10ms. Allocated memory is still 115.3MB. Free memory was 80.4MB in the beginning and 79.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:18:27,656 INFO L158 Benchmark]: RCFGBuilder took 674.59ms. Allocated memory is still 115.3MB. Free memory was 78.7MB in the beginning and 62.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-12 06:18:27,657 INFO L158 Benchmark]: TraceAbstraction took 2923.12ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 61.9MB in the beginning and 94.4MB in the end (delta: -32.5MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-07-12 06:18:27,657 INFO L158 Benchmark]: Witness Printer took 127.62ms. Allocated memory is still 140.5MB. Free memory was 94.4MB in the beginning and 89.0MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 06:18:27,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 735.15ms. Allocated memory is still 115.3MB. Free memory was 79.0MB in the beginning and 82.9MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.76ms. Allocated memory is still 115.3MB. Free memory was 82.9MB in the beginning and 80.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.10ms. Allocated memory is still 115.3MB. Free memory was 80.4MB in the beginning and 79.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 674.59ms. Allocated memory is still 115.3MB. Free memory was 78.7MB in the beginning and 62.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2923.12ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 61.9MB in the beginning and 94.4MB in the end (delta: -32.5MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Witness Printer took 127.62ms. Allocated memory is still 140.5MB. Free memory was 94.4MB in the beginning and 89.0MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. 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: 126]: 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, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 1420 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 910 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 510 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=353occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 518 PreInvPairs, 584 NumberOfFragments, 283 HoareAnnotationTreeSize, 518 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1856 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 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: 378]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) RESULT: Ultimate proved your program to be correct! [2022-07-12 06:18:27,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE