./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product21.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 0e76649cac6515f08270152166e80012375eb96b6ec0655501fc67165d9b0051 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:22:50,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:22:50,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:22:51,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:22:51,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:22:51,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:22:51,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:22:51,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:22:51,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:22:51,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:22:51,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:22:51,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:22:51,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:22:51,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:22:51,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:22:51,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:22:51,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:22:51,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:22:51,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:22:51,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:22:51,048 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:22:51,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:22:51,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:22:51,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:22:51,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:22:51,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:22:51,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:22:51,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:22:51,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:22:51,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:22:51,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:22:51,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:22:51,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:22:51,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:22:51,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:22:51,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:22:51,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:22:51,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:22:51,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:22:51,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:22:51,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:22:51,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:22:51,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:22:51,091 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:22:51,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:22:51,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:22:51,092 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:22:51,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:22:51,093 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:22:51,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:22:51,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:22:51,094 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:22:51,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:22:51,095 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:22:51,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:22:51,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:22:51,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:22:51,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:22:51,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:22:51,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:22:51,096 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:22:51,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:22:51,096 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:22:51,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:22:51,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:22:51,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:22:51,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:22:51,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:22:51,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:22:51,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:22:51,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:22:51,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:22:51,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:22:51,098 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:22:51,098 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:22:51,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:22:51,098 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e76649cac6515f08270152166e80012375eb96b6ec0655501fc67165d9b0051 [2022-07-19 17:22:51,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:22:51,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:22:51,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:22:51,360 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:22:51,361 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:22:51,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2022-07-19 17:22:51,429 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb2fad0e4/8a932b75d66f45ec827ecb47ec816e6b/FLAGe17beddb0 [2022-07-19 17:22:51,840 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:22:51,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2022-07-19 17:22:51,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb2fad0e4/8a932b75d66f45ec827ecb47ec816e6b/FLAGe17beddb0 [2022-07-19 17:22:51,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb2fad0e4/8a932b75d66f45ec827ecb47ec816e6b [2022-07-19 17:22:51,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:22:51,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:22:51,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:22:51,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:22:51,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:22:51,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:22:51" (1/1) ... [2022-07-19 17:22:51,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2046d5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:51, skipping insertion in model container [2022-07-19 17:22:51,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:22:51" (1/1) ... [2022-07-19 17:22:51,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:22:51,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:22:52,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c[17902,17915] [2022-07-19 17:22:52,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:22:52,120 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:22:52,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c[17902,17915] [2022-07-19 17:22:52,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:22:52,186 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:22:52,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:52 WrapperNode [2022-07-19 17:22:52,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:22:52,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:22:52,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:22:52,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:22:52,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:52" (1/1) ... [2022-07-19 17:22:52,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:52" (1/1) ... [2022-07-19 17:22:52,244 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 231 [2022-07-19 17:22:52,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:22:52,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:22:52,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:22:52,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:22:52,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:52" (1/1) ... [2022-07-19 17:22:52,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:52" (1/1) ... [2022-07-19 17:22:52,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:52" (1/1) ... [2022-07-19 17:22:52,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:52" (1/1) ... [2022-07-19 17:22:52,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:52" (1/1) ... [2022-07-19 17:22:52,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:52" (1/1) ... [2022-07-19 17:22:52,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:52" (1/1) ... [2022-07-19 17:22:52,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:22:52,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:22:52,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:22:52,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:22:52,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:52" (1/1) ... [2022-07-19 17:22:52,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:22:52,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:22:52,310 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) [2022-07-19 17:22:52,314 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 [2022-07-19 17:22:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:22:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-19 17:22:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-19 17:22:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:22:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:22:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:22:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:22:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-19 17:22:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-19 17:22:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:22:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:22:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-19 17:22:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-19 17:22:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-19 17:22:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-19 17:22:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:22:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:22:52,346 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:22:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:22:52,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:22:52,395 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:22:52,396 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:22:52,664 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:22:52,670 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:22:52,670 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:22:52,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:22:52 BoogieIcfgContainer [2022-07-19 17:22:52,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:22:52,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:22:52,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:22:52,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:22:52,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:22:51" (1/3) ... [2022-07-19 17:22:52,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebe5a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:22:52, skipping insertion in model container [2022-07-19 17:22:52,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:52" (2/3) ... [2022-07-19 17:22:52,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebe5a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:22:52, skipping insertion in model container [2022-07-19 17:22:52,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:22:52" (3/3) ... [2022-07-19 17:22:52,679 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product21.cil.c [2022-07-19 17:22:52,692 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:22:52,692 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:22:52,726 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:22:52,731 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@695a5b98, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@41dd38b6 [2022-07-19 17:22:52,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:22:52,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 63 states have (on average 1.380952380952381) internal successors, (87), 71 states have internal predecessors, (87), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-19 17:22:52,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-19 17:22:52,747 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:52,747 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:52,748 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:52,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:52,753 INFO L85 PathProgramCache]: Analyzing trace with hash -362708314, now seen corresponding path program 1 times [2022-07-19 17:22:52,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:52,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976494583] [2022-07-19 17:22:52,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:52,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:52,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 17:22:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:22:52,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:52,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976494583] [2022-07-19 17:22:52,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976494583] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:52,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:52,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:22:52,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516634460] [2022-07-19 17:22:52,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:52,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:22:52,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:52,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:22:52,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:22:52,934 INFO L87 Difference]: Start difference. First operand has 87 states, 63 states have (on average 1.380952380952381) internal successors, (87), 71 states have internal predecessors, (87), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:22:52,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:52,983 INFO L93 Difference]: Finished difference Result 166 states and 225 transitions. [2022-07-19 17:22:52,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:22:52,985 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-19 17:22:52,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:53,001 INFO L225 Difference]: With dead ends: 166 [2022-07-19 17:22:53,001 INFO L226 Difference]: Without dead ends: 78 [2022-07-19 17:22:53,005 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 [2022-07-19 17:22:53,008 INFO L413 NwaCegarLoop]: 109 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, 109 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 [2022-07-19 17:22:53,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:22:53,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-07-19 17:22:53,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-07-19 17:22:53,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 63 states have internal predecessors, (73), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-19 17:22:53,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2022-07-19 17:22:53,049 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 23 [2022-07-19 17:22:53,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:53,050 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2022-07-19 17:22:53,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:22:53,050 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2022-07-19 17:22:53,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-19 17:22:53,052 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:53,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:53,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:22:53,052 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:53,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:53,053 INFO L85 PathProgramCache]: Analyzing trace with hash -218724726, now seen corresponding path program 1 times [2022-07-19 17:22:53,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:53,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681708665] [2022-07-19 17:22:53,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:53,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 17:22:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:53,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:22:53,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:53,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681708665] [2022-07-19 17:22:53,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681708665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:53,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:53,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:22:53,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724693228] [2022-07-19 17:22:53,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:53,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:22:53,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:53,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:22:53,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:22:53,139 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:22:53,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:53,149 INFO L93 Difference]: Finished difference Result 122 states and 156 transitions. [2022-07-19 17:22:53,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:22:53,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-07-19 17:22:53,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:53,151 INFO L225 Difference]: With dead ends: 122 [2022-07-19 17:22:53,151 INFO L226 Difference]: Without dead ends: 69 [2022-07-19 17:22:53,152 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 [2022-07-19 17:22:53,153 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 12 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 158 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 [2022-07-19 17:22:53,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:22:53,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-07-19 17:22:53,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-07-19 17:22:53,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.32) internal successors, (66), 57 states have internal predecessors, (66), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-19 17:22:53,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2022-07-19 17:22:53,176 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 24 [2022-07-19 17:22:53,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:53,176 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2022-07-19 17:22:53,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:22:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2022-07-19 17:22:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-19 17:22:53,179 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:53,179 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] [2022-07-19 17:22:53,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:22:53,179 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:53,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:53,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1486339720, now seen corresponding path program 1 times [2022-07-19 17:22:53,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:53,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158792434] [2022-07-19 17:22:53,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:53,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:53,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:22:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:53,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:22:53,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:53,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158792434] [2022-07-19 17:22:53,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158792434] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:53,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:53,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:22:53,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338053349] [2022-07-19 17:22:53,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:53,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:22:53,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:53,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:22:53,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:22:53,263 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2022-07-19 17:22:53,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:53,363 INFO L93 Difference]: Finished difference Result 131 states and 170 transitions. [2022-07-19 17:22:53,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:22:53,364 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 28 [2022-07-19 17:22:53,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:53,365 INFO L225 Difference]: With dead ends: 131 [2022-07-19 17:22:53,365 INFO L226 Difference]: Without dead ends: 69 [2022-07-19 17:22:53,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 17:22:53,366 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 165 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:53,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 173 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:22:53,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-07-19 17:22:53,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-07-19 17:22:53,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.3) internal successors, (65), 57 states have internal predecessors, (65), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-19 17:22:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2022-07-19 17:22:53,388 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 28 [2022-07-19 17:22:53,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:53,389 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2022-07-19 17:22:53,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2022-07-19 17:22:53,389 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2022-07-19 17:22:53,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-19 17:22:53,391 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:53,391 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] [2022-07-19 17:22:53,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:22:53,392 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:53,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:53,393 INFO L85 PathProgramCache]: Analyzing trace with hash -123142813, now seen corresponding path program 1 times [2022-07-19 17:22:53,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:53,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300228457] [2022-07-19 17:22:53,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:53,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:53,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:22:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:53,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:22:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:53,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 17:22:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:53,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:22:53,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:53,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300228457] [2022-07-19 17:22:53,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300228457] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:53,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:53,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:22:53,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827166295] [2022-07-19 17:22:53,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:53,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:22:53,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:53,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:22:53,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:22:53,511 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:22:53,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:53,720 INFO L93 Difference]: Finished difference Result 219 states and 282 transitions. [2022-07-19 17:22:53,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-19 17:22:53,720 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-07-19 17:22:53,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:53,722 INFO L225 Difference]: With dead ends: 219 [2022-07-19 17:22:53,722 INFO L226 Difference]: Without dead ends: 157 [2022-07-19 17:22:53,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-07-19 17:22:53,724 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 136 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:53,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 332 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:22:53,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-07-19 17:22:53,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 127. [2022-07-19 17:22:53,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 90 states have (on average 1.3) internal successors, (117), 103 states have internal predecessors, (117), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2022-07-19 17:22:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 162 transitions. [2022-07-19 17:22:53,754 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 162 transitions. Word has length 38 [2022-07-19 17:22:53,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:53,763 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 162 transitions. [2022-07-19 17:22:53,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 17:22:53,763 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 162 transitions. [2022-07-19 17:22:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-07-19 17:22:53,770 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:53,771 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, 1, 1, 1, 1] [2022-07-19 17:22:53,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:22:53,771 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:53,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:53,772 INFO L85 PathProgramCache]: Analyzing trace with hash -277876569, now seen corresponding path program 1 times [2022-07-19 17:22:53,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:53,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771466741] [2022-07-19 17:22:53,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:53,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:53,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 17:22:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:53,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 17:22:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:53,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:22:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:53,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 17:22:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:53,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:22:53,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:53,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771466741] [2022-07-19 17:22:53,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771466741] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:53,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:53,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:22:53,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7711271] [2022-07-19 17:22:53,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:53,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:22:53,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:53,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:22:53,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:22:53,881 INFO L87 Difference]: Start difference. First operand 127 states and 162 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-19 17:22:53,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:53,977 INFO L93 Difference]: Finished difference Result 212 states and 271 transitions. [2022-07-19 17:22:53,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:22:53,977 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2022-07-19 17:22:53,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:53,978 INFO L225 Difference]: With dead ends: 212 [2022-07-19 17:22:53,978 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 17:22:53,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-19 17:22:53,987 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 71 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:53,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 127 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:22:53,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 17:22:53,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 17:22:53,989 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) [2022-07-19 17:22:53,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 17:22:53,989 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-07-19 17:22:53,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:53,990 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 17:22:53,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-19 17:22:53,991 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 17:22:53,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 17:22:53,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:22:53,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 17:22:53,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 17:22:54,443 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 838 845) the Hoare annotation is: true [2022-07-19 17:22:54,443 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 838 845) no Hoare annotation was computed. [2022-07-19 17:22:54,443 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 838 845) no Hoare annotation was computed. [2022-07-19 17:22:54,444 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 771 777) no Hoare annotation was computed. [2022-07-19 17:22:54,444 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 771 777) the Hoare annotation is: true [2022-07-19 17:22:54,444 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 579 590) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-19 17:22:54,444 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 579 590) no Hoare annotation was computed. [2022-07-19 17:22:54,444 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 579 590) no Hoare annotation was computed. [2022-07-19 17:22:54,444 INFO L895 garLoopResultBuilder]: At program point L927(lines 922 929) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,445 INFO L895 garLoopResultBuilder]: At program point L824(line 824) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,445 INFO L895 garLoopResultBuilder]: At program point L824-1(lines 805 829) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,445 INFO L895 garLoopResultBuilder]: At program point L853(lines 846 856) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,446 INFO L899 garLoopResultBuilder]: For program point L758-1(lines 758 764) no Hoare annotation was computed. [2022-07-19 17:22:54,446 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 747 770) no Hoare annotation was computed. [2022-07-19 17:22:54,447 INFO L895 garLoopResultBuilder]: At program point L862(lines 857 865) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-07-19 17:22:54,447 INFO L899 garLoopResultBuilder]: For program point L751-1(lines 750 769) no Hoare annotation was computed. [2022-07-19 17:22:54,447 INFO L899 garLoopResultBuilder]: For program point L813(lines 813 821) no Hoare annotation was computed. [2022-07-19 17:22:54,447 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 826) no Hoare annotation was computed. [2022-07-19 17:22:54,448 INFO L895 garLoopResultBuilder]: At program point L425(line 425) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,448 INFO L899 garLoopResultBuilder]: For program point L425-1(line 425) no Hoare annotation was computed. [2022-07-19 17:22:54,448 INFO L895 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,448 INFO L899 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2022-07-19 17:22:54,448 INFO L899 garLoopResultBuilder]: For program point L926(line 926) no Hoare annotation was computed. [2022-07-19 17:22:54,448 INFO L895 garLoopResultBuilder]: At program point L819(line 819) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,448 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 747 770) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,449 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2022-07-19 17:22:54,449 INFO L895 garLoopResultBuilder]: At program point L815(line 815) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,449 INFO L899 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2022-07-19 17:22:54,449 INFO L895 garLoopResultBuilder]: At program point L559-2(lines 555 566) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,450 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 440) no Hoare annotation was computed. [2022-07-19 17:22:54,450 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 747 770) no Hoare annotation was computed. [2022-07-19 17:22:54,450 INFO L895 garLoopResultBuilder]: At program point L427-1(lines 419 443) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~3#1| 0)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-07-19 17:22:54,450 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 926) no Hoare annotation was computed. [2022-07-19 17:22:54,450 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 447 476) no Hoare annotation was computed. [2022-07-19 17:22:54,451 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 447 476) the Hoare annotation is: true [2022-07-19 17:22:54,451 INFO L902 garLoopResultBuilder]: At program point L472(lines 447 476) the Hoare annotation is: true [2022-07-19 17:22:54,451 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-07-19 17:22:54,451 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 465) no Hoare annotation was computed. [2022-07-19 17:22:54,451 INFO L902 garLoopResultBuilder]: At program point L461-1(lines 461 465) the Hoare annotation is: true [2022-07-19 17:22:54,452 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-07-19 17:22:54,452 INFO L902 garLoopResultBuilder]: At program point L457-2(lines 457 471) the Hoare annotation is: true [2022-07-19 17:22:54,452 INFO L902 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: true [2022-07-19 17:22:54,452 INFO L899 garLoopResultBuilder]: For program point L453-1(line 453) no Hoare annotation was computed. [2022-07-19 17:22:54,452 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 591 599) the Hoare annotation is: true [2022-07-19 17:22:54,452 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 591 599) no Hoare annotation was computed. [2022-07-19 17:22:54,453 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 591 599) no Hoare annotation was computed. [2022-07-19 17:22:54,453 INFO L895 garLoopResultBuilder]: At program point L733(lines 686 734) the Hoare annotation is: false [2022-07-19 17:22:54,454 INFO L899 garLoopResultBuilder]: For program point L535(lines 535 542) no Hoare annotation was computed. [2022-07-19 17:22:54,454 INFO L899 garLoopResultBuilder]: For program point L535-2(lines 535 542) no Hoare annotation was computed. [2022-07-19 17:22:54,454 INFO L899 garLoopResultBuilder]: For program point L688(lines 687 732) no Hoare annotation was computed. [2022-07-19 17:22:54,454 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 728) no Hoare annotation was computed. [2022-07-19 17:22:54,455 INFO L902 garLoopResultBuilder]: At program point L519(lines 512 521) the Hoare annotation is: true [2022-07-19 17:22:54,455 INFO L895 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2022-07-19 17:22:54,455 INFO L895 garLoopResultBuilder]: At program point L672(lines 667 675) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-07-19 17:22:54,455 INFO L902 garLoopResultBuilder]: At program point L544(lines 525 547) the Hoare annotation is: true [2022-07-19 17:22:54,455 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 17:22:54,455 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 17:22:54,455 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 17:22:54,456 INFO L895 garLoopResultBuilder]: At program point L730(lines 687 732) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2022-07-19 17:22:54,456 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 703) no Hoare annotation was computed. [2022-07-19 17:22:54,456 INFO L895 garLoopResultBuilder]: At program point L664(lines 660 666) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-19 17:22:54,456 INFO L899 garLoopResultBuilder]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2022-07-19 17:22:54,456 INFO L899 garLoopResultBuilder]: For program point L689(lines 689 693) no Hoare annotation was computed. [2022-07-19 17:22:54,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 17:22:54,456 INFO L895 garLoopResultBuilder]: At program point L508(lines 504 510) 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~4#1| ~systemActive~0)) [2022-07-19 17:22:54,456 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 727) no Hoare annotation was computed. [2022-07-19 17:22:54,457 INFO L895 garLoopResultBuilder]: At program point L657(lines 653 659) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-19 17:22:54,457 INFO L895 garLoopResultBuilder]: At program point L723-2(lines 717 728) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2022-07-19 17:22:54,457 INFO L899 garLoopResultBuilder]: For program point L707(lines 707 713) no Hoare annotation was computed. [2022-07-19 17:22:54,457 INFO L899 garLoopResultBuilder]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2022-07-19 17:22:54,457 INFO L902 garLoopResultBuilder]: At program point L736(lines 677 740) the Hoare annotation is: true [2022-07-19 17:22:54,457 INFO L895 garLoopResultBuilder]: At program point L699(line 699) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2022-07-19 17:22:54,457 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 567 578) no Hoare annotation was computed. [2022-07-19 17:22:54,458 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 567 578) no Hoare annotation was computed. [2022-07-19 17:22:54,458 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 567 578) the Hoare annotation is: true [2022-07-19 17:22:54,458 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 779 803) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,459 INFO L895 garLoopResultBuilder]: At program point L793(line 793) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,459 INFO L895 garLoopResultBuilder]: At program point L917(lines 902 920) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,459 INFO L895 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,459 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 795) no Hoare annotation was computed. [2022-07-19 17:22:54,459 INFO L899 garLoopResultBuilder]: For program point L783(lines 783 800) no Hoare annotation was computed. [2022-07-19 17:22:54,460 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 915) no Hoare annotation was computed. [2022-07-19 17:22:54,460 INFO L899 garLoopResultBuilder]: For program point L911-2(lines 911 915) no Hoare annotation was computed. [2022-07-19 17:22:54,462 INFO L895 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,462 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 779 803) no Hoare annotation was computed. [2022-07-19 17:22:54,462 INFO L895 garLoopResultBuilder]: At program point L637(lines 632 640) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:54,463 INFO L899 garLoopResultBuilder]: For program point L798-1(lines 779 803) no Hoare annotation was computed. [2022-07-19 17:22:54,467 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-19 17:22:54,469 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:22:54,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:22:54 BoogieIcfgContainer [2022-07-19 17:22:54,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:22:54,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:22:54,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:22:54,495 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:22:54,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:22:52" (3/4) ... [2022-07-19 17:22:54,497 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 17:22:54,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-19 17:22:54,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-19 17:22:54,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-19 17:22:54,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-19 17:22:54,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-19 17:22:54,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-19 17:22:54,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-19 17:22:54,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-19 17:22:54,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-19 17:22:54,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-19 17:22:54,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 17:22:54,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 17:22:54,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 17:22:54,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:22:54,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:22:54,532 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-07-19 17:22:54,532 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-19 17:22:54,532 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive [2022-07-19 17:22:54,533 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:22:54,534 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-07-19 17:22:54,535 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2022-07-19 17:22:54,535 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:22:54,535 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-19 17:22:54,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:22:54,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:22:54,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:22:54,556 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:22:54,556 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:22:54,557 INFO L158 Benchmark]: Toolchain (without parser) took 2697.78ms. Allocated memory was 113.2MB in the beginning and 146.8MB in the end (delta: 33.6MB). Free memory was 75.8MB in the beginning and 65.5MB in the end (delta: 10.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2022-07-19 17:22:54,557 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory was 86.2MB in the beginning and 86.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:22:54,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.00ms. Allocated memory is still 113.2MB. Free memory was 75.6MB in the beginning and 79.0MB in the end (delta: -3.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-19 17:22:54,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.75ms. Allocated memory is still 113.2MB. Free memory was 79.0MB in the beginning and 76.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:22:54,558 INFO L158 Benchmark]: Boogie Preprocessor took 31.18ms. Allocated memory is still 113.2MB. Free memory was 76.5MB in the beginning and 74.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:22:54,558 INFO L158 Benchmark]: RCFGBuilder took 394.22ms. Allocated memory is still 113.2MB. Free memory was 74.9MB in the beginning and 58.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-19 17:22:54,558 INFO L158 Benchmark]: TraceAbstraction took 1820.76ms. Allocated memory was 113.2MB in the beginning and 146.8MB in the end (delta: 33.6MB). Free memory was 58.1MB in the beginning and 70.8MB in the end (delta: -12.7MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2022-07-19 17:22:54,559 INFO L158 Benchmark]: Witness Printer took 61.86ms. Allocated memory is still 146.8MB. Free memory was 70.8MB in the beginning and 65.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 17:22:54,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory was 86.2MB in the beginning and 86.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.00ms. Allocated memory is still 113.2MB. Free memory was 75.6MB in the beginning and 79.0MB in the end (delta: -3.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.75ms. Allocated memory is still 113.2MB. Free memory was 79.0MB in the beginning and 76.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.18ms. Allocated memory is still 113.2MB. Free memory was 76.5MB in the beginning and 74.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 394.22ms. Allocated memory is still 113.2MB. Free memory was 74.9MB in the beginning and 58.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1820.76ms. Allocated memory was 113.2MB in the beginning and 146.8MB in the end (delta: 33.6MB). Free memory was 58.1MB in the beginning and 70.8MB in the end (delta: -12.7MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Witness Printer took 61.86ms. Allocated memory is still 146.8MB. Free memory was 70.8MB in the beginning and 65.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 926]: 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 9 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 396 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 384 mSDsluCounter, 899 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 503 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 340 IncrementalHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 396 mSDtfsCounter, 340 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 292 PreInvPairs, 314 NumberOfFragments, 359 HoareAnnotationTreeSize, 292 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 656 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 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: 857]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-19 17:22:54,600 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