./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product10.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 dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:20:33,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:20:33,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:20:33,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:20:33,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:20:33,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:20:33,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:20:33,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:20:33,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:20:33,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:20:33,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:20:33,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:20:33,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:20:33,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:20:33,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:20:33,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:20:33,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:20:33,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:20:33,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:20:33,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:20:33,441 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:20:33,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:20:33,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:20:33,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:20:33,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:20:33,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:20:33,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:20:33,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:20:33,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:20:33,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:20:33,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:20:33,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:20:33,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:20:33,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:20:33,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:20:33,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:20:33,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:20:33,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:20:33,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:20:33,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:20:33,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:20:33,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:20:33,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:20:33,498 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:20:33,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:20:33,498 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:20:33,498 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:20:33,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:20:33,515 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:20:33,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:20:33,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:20:33,516 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:20:33,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:20:33,517 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:20:33,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:20:33,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:20:33,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:20:33,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:20:33,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:20:33,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:20:33,518 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:20:33,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:20:33,518 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:20:33,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:20:33,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:20:33,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:20:33,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:20:33,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:20:33,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:20:33,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:20:33,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:20:33,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:20:33,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:20:33,521 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:20:33,521 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:20:33,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:20:33,521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f [2022-07-12 06:20:33,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:20:33,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:20:33,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:20:33,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:20:33,947 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:20:33,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2022-07-12 06:20:34,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8029910dc/491b8d9ceaf84267b4b673776fa74333/FLAG3a4379c25 [2022-07-12 06:20:34,955 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:20:34,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2022-07-12 06:20:34,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8029910dc/491b8d9ceaf84267b4b673776fa74333/FLAG3a4379c25 [2022-07-12 06:20:35,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8029910dc/491b8d9ceaf84267b4b673776fa74333 [2022-07-12 06:20:35,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:20:35,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:20:35,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:20:35,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:20:35,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:20:35,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:20:35" (1/1) ... [2022-07-12 06:20:35,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11914492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:35, skipping insertion in model container [2022-07-12 06:20:35,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:20:35" (1/1) ... [2022-07-12 06:20:35,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:20:35,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:20:35,773 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_spec5_product10.cil.c[16321,16334] [2022-07-12 06:20:35,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:20:35,808 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:20:35,920 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_spec5_product10.cil.c[16321,16334] [2022-07-12 06:20:35,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:20:35,959 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:20:35,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:35 WrapperNode [2022-07-12 06:20:35,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:20:35,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:20:35,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:20:35,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:20:35,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:35" (1/1) ... [2022-07-12 06:20:36,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:35" (1/1) ... [2022-07-12 06:20:36,050 INFO L137 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 22, calls inlined = 16, statements flattened = 194 [2022-07-12 06:20:36,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:20:36,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:20:36,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:20:36,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:20:36,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:35" (1/1) ... [2022-07-12 06:20:36,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:35" (1/1) ... [2022-07-12 06:20:36,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:35" (1/1) ... [2022-07-12 06:20:36,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:35" (1/1) ... [2022-07-12 06:20:36,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:35" (1/1) ... [2022-07-12 06:20:36,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:35" (1/1) ... [2022-07-12 06:20:36,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:35" (1/1) ... [2022-07-12 06:20:36,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:20:36,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:20:36,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:20:36,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:20:36,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:35" (1/1) ... [2022-07-12 06:20:36,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:20:36,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:20:36,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 06:20:36,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 06:20:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:20:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-12 06:20:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-12 06:20:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-12 06:20:36,224 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-12 06:20:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-12 06:20:36,224 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-12 06:20:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-12 06:20:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-12 06:20:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:20:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-12 06:20:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-12 06:20:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:20:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:20:36,316 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:20:36,322 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:20:36,755 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:20:36,760 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:20:36,760 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 06:20:36,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:20:36 BoogieIcfgContainer [2022-07-12 06:20:36,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:20:36,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:20:36,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:20:36,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:20:36,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:20:35" (1/3) ... [2022-07-12 06:20:36,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2a5c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:20:36, skipping insertion in model container [2022-07-12 06:20:36,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:35" (2/3) ... [2022-07-12 06:20:36,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d2a5c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:20:36, skipping insertion in model container [2022-07-12 06:20:36,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:20:36" (3/3) ... [2022-07-12 06:20:36,792 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2022-07-12 06:20:36,802 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:20:36,804 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:20:36,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:20:36,915 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@5d7d34fb, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@38518820 [2022-07-12 06:20:36,916 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:20:36,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 58 states have internal predecessors, (74), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-07-12 06:20:36,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-12 06:20:36,955 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:36,956 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:36,957 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:36,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:36,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1621276931, now seen corresponding path program 1 times [2022-07-12 06:20:36,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:36,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571618129] [2022-07-12 06:20:36,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:36,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:37,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 06:20:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:37,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:20:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:20:37,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:37,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571618129] [2022-07-12 06:20:37,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571618129] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:37,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:37,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:20:37,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255627944] [2022-07-12 06:20:37,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:37,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:20:37,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:37,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:20:37,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:20:37,412 INFO L87 Difference]: Start difference. First operand has 69 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 58 states have internal predecessors, (74), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:20:37,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:37,468 INFO L93 Difference]: Finished difference Result 129 states and 174 transitions. [2022-07-12 06:20:37,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:20:37,470 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-12 06:20:37,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:37,478 INFO L225 Difference]: With dead ends: 129 [2022-07-12 06:20:37,479 INFO L226 Difference]: Without dead ends: 60 [2022-07-12 06:20:37,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:20:37,490 INFO L413 NwaCegarLoop]: 84 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, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:37,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:20:37,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-07-12 06:20:37,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-07-12 06:20:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 50 states have internal predecessors, (60), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-12 06:20:37,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2022-07-12 06:20:37,570 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 32 [2022-07-12 06:20:37,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:37,571 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2022-07-12 06:20:37,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:20:37,571 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-07-12 06:20:37,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-12 06:20:37,574 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:37,575 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:37,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 06:20:37,576 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:37,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:37,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1996971476, now seen corresponding path program 1 times [2022-07-12 06:20:37,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:37,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363371608] [2022-07-12 06:20:37,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:37,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:20:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:37,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:20:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:20:37,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:37,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363371608] [2022-07-12 06:20:37,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363371608] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:37,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:37,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:20:37,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298510111] [2022-07-12 06:20:37,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:37,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:20:37,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:37,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:20:37,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:20:37,748 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:20:37,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:37,785 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2022-07-12 06:20:37,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:20:37,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-07-12 06:20:37,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:37,789 INFO L225 Difference]: With dead ends: 84 [2022-07-12 06:20:37,789 INFO L226 Difference]: Without dead ends: 51 [2022-07-12 06:20:37,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:20:37,794 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 13 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:37,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:20:37,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-07-12 06:20:37,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-07-12 06:20:37,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-12 06:20:37,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2022-07-12 06:20:37,807 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 33 [2022-07-12 06:20:37,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:37,808 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2022-07-12 06:20:37,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:20:37,809 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-07-12 06:20:37,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-12 06:20:37,810 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:37,811 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:37,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 06:20:37,812 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:37,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:37,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1775458659, now seen corresponding path program 1 times [2022-07-12 06:20:37,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:37,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694544979] [2022-07-12 06:20:37,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:37,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:37,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:20:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:37,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 06:20:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:37,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:20:37,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:37,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694544979] [2022-07-12 06:20:37,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694544979] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:37,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:37,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:20:37,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922929559] [2022-07-12 06:20:37,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:37,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:20:37,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:37,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:20:37,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:20:37,970 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-12 06:20:38,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:38,072 INFO L93 Difference]: Finished difference Result 94 states and 119 transitions. [2022-07-12 06:20:38,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 06:20:38,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-07-12 06:20:38,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:38,074 INFO L225 Difference]: With dead ends: 94 [2022-07-12 06:20:38,074 INFO L226 Difference]: Without dead ends: 51 [2022-07-12 06:20:38,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 06:20:38,080 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 90 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:38,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 118 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:20:38,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-07-12 06:20:38,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-07-12 06:20:38,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 44 states have internal predecessors, (52), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-12 06:20:38,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2022-07-12 06:20:38,093 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 62 transitions. Word has length 38 [2022-07-12 06:20:38,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:38,094 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 62 transitions. [2022-07-12 06:20:38,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-12 06:20:38,095 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-07-12 06:20:38,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-07-12 06:20:38,099 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:38,100 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:38,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 06:20:38,100 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:38,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:38,101 INFO L85 PathProgramCache]: Analyzing trace with hash 139044105, now seen corresponding path program 1 times [2022-07-12 06:20:38,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:38,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650091600] [2022-07-12 06:20:38,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:38,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:38,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:20:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:38,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 06:20:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:38,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-12 06:20:38,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:38,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650091600] [2022-07-12 06:20:38,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650091600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:38,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:38,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:20:38,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813538361] [2022-07-12 06:20:38,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:38,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:20:38,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:38,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:20:38,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:20:38,188 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:20:38,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:38,242 INFO L93 Difference]: Finished difference Result 92 states and 114 transitions. [2022-07-12 06:20:38,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 06:20:38,243 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2022-07-12 06:20:38,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:38,243 INFO L225 Difference]: With dead ends: 92 [2022-07-12 06:20:38,244 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 06:20:38,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:20:38,250 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 27 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:38,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 194 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:20:38,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 06:20:38,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 06:20:38,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 06:20:38,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 06:20:38,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-07-12 06:20:38,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:38,253 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 06:20:38,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:20:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 06:20:38,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 06:20:38,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 06:20:38,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 06:20:38,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 06:20:38,410 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: true [2022-07-12 06:20:38,410 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2022-07-12 06:20:38,410 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2022-07-12 06:20:38,410 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 810 839) no Hoare annotation was computed. [2022-07-12 06:20:38,411 INFO L899 garLoopResultBuilder]: For program point L831(line 831) no Hoare annotation was computed. [2022-07-12 06:20:38,411 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 810 839) the Hoare annotation is: true [2022-07-12 06:20:38,411 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 828) no Hoare annotation was computed. [2022-07-12 06:20:38,411 INFO L902 garLoopResultBuilder]: At program point L824-1(lines 824 828) the Hoare annotation is: true [2022-07-12 06:20:38,411 INFO L899 garLoopResultBuilder]: For program point L821(line 821) no Hoare annotation was computed. [2022-07-12 06:20:38,411 INFO L902 garLoopResultBuilder]: At program point L820-2(lines 820 834) the Hoare annotation is: true [2022-07-12 06:20:38,412 INFO L902 garLoopResultBuilder]: At program point L816(line 816) the Hoare annotation is: true [2022-07-12 06:20:38,412 INFO L899 garLoopResultBuilder]: For program point L816-1(line 816) no Hoare annotation was computed. [2022-07-12 06:20:38,415 INFO L902 garLoopResultBuilder]: At program point L835(lines 810 839) the Hoare annotation is: true [2022-07-12 06:20:38,415 INFO L902 garLoopResultBuilder]: At program point L192(lines 185 194) the Hoare annotation is: true [2022-07-12 06:20:38,415 INFO L902 garLoopResultBuilder]: At program point L205(line 205) the Hoare annotation is: true [2022-07-12 06:20:38,415 INFO L899 garLoopResultBuilder]: For program point L205-1(line 205) no Hoare annotation was computed. [2022-07-12 06:20:38,415 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 667 693) no Hoare annotation was computed. [2022-07-12 06:20:38,416 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2022-07-12 06:20:38,416 INFO L902 garLoopResultBuilder]: At program point L169(lines 164 172) the Hoare annotation is: true [2022-07-12 06:20:38,416 INFO L899 garLoopResultBuilder]: For program point L681-1(lines 681 687) no Hoare annotation was computed. [2022-07-12 06:20:38,416 INFO L895 garLoopResultBuilder]: At program point L805(lines 800 807) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:20:38,416 INFO L902 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: true [2022-07-12 06:20:38,418 INFO L899 garLoopResultBuilder]: For program point L190-1(line 190) no Hoare annotation was computed. [2022-07-12 06:20:38,418 INFO L902 garLoopResultBuilder]: At program point L698(lines 694 700) the Hoare annotation is: true [2022-07-12 06:20:38,418 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 217) no Hoare annotation was computed. [2022-07-12 06:20:38,418 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 220) no Hoare annotation was computed. [2022-07-12 06:20:38,418 INFO L902 garLoopResultBuilder]: At program point L203-1(lines 195 223) the Hoare annotation is: true [2022-07-12 06:20:38,418 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2022-07-12 06:20:38,418 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 680) no Hoare annotation was computed. [2022-07-12 06:20:38,418 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 96 107) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:20:38,419 INFO L899 garLoopResultBuilder]: For program point L674-2(lines 670 692) no Hoare annotation was computed. [2022-07-12 06:20:38,419 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 214) no Hoare annotation was computed. [2022-07-12 06:20:38,419 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 667 693) the Hoare annotation is: true [2022-07-12 06:20:38,419 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 667 693) no Hoare annotation was computed. [2022-07-12 06:20:38,419 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 804) no Hoare annotation was computed. [2022-07-12 06:20:38,420 INFO L895 garLoopResultBuilder]: At program point L642-2(lines 634 647) 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~6#1| ~systemActive~0)) [2022-07-12 06:20:38,420 INFO L899 garLoopResultBuilder]: For program point L605(lines 604 651) no Hoare annotation was computed. [2022-07-12 06:20:38,420 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 647) no Hoare annotation was computed. [2022-07-12 06:20:38,421 INFO L895 garLoopResultBuilder]: At program point L626(line 626) 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~6#1| ~systemActive~0)) [2022-07-12 06:20:38,421 INFO L902 garLoopResultBuilder]: At program point L655(lines 594 659) the Hoare annotation is: true [2022-07-12 06:20:38,422 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 620) no Hoare annotation was computed. [2022-07-12 06:20:38,422 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2022-07-12 06:20:38,422 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 06:20:38,422 INFO L899 garLoopResultBuilder]: For program point L606(lines 606 610) no Hoare annotation was computed. [2022-07-12 06:20:38,422 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 06:20:38,422 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 06:20:38,422 INFO L895 garLoopResultBuilder]: At program point L796(lines 791 798) 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~6#1| ~systemActive~0)) [2022-07-12 06:20:38,423 INFO L902 garLoopResultBuilder]: At program point L879(lines 871 881) the Hoare annotation is: true [2022-07-12 06:20:38,423 INFO L895 garLoopResultBuilder]: At program point L652(lines 603 653) the Hoare annotation is: false [2022-07-12 06:20:38,423 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 06:20:38,423 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 899) no Hoare annotation was computed. [2022-07-12 06:20:38,423 INFO L899 garLoopResultBuilder]: For program point L892-2(lines 892 899) no Hoare annotation was computed. [2022-07-12 06:20:38,423 INFO L895 garLoopResultBuilder]: At program point L182(lines 177 184) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-07-12 06:20:38,423 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-07-12 06:20:38,423 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 630) no Hoare annotation was computed. [2022-07-12 06:20:38,424 INFO L899 garLoopResultBuilder]: For program point L624-1(lines 624 630) no Hoare annotation was computed. [2022-07-12 06:20:38,424 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-12 06:20:38,424 INFO L895 garLoopResultBuilder]: At program point L649(lines 604 651) 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~6#1| ~systemActive~0)) [2022-07-12 06:20:38,424 INFO L895 garLoopResultBuilder]: At program point L616(line 616) 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~6#1| ~systemActive~0)) [2022-07-12 06:20:38,424 INFO L902 garLoopResultBuilder]: At program point L901(lines 882 904) the Hoare annotation is: true [2022-07-12 06:20:38,424 INFO L895 garLoopResultBuilder]: At program point L868(lines 864 870) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-07-12 06:20:38,425 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-12 06:20:38,425 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 646) no Hoare annotation was computed. [2022-07-12 06:20:38,425 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2022-07-12 06:20:38,425 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2022-07-12 06:20:38,425 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2022-07-12 06:20:38,426 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2022-07-12 06:20:38,426 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 746 754) the Hoare annotation is: true [2022-07-12 06:20:38,426 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 746 754) no Hoare annotation was computed. [2022-07-12 06:20:38,430 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-12 06:20:38,432 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 06:20:38,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:20:38 BoogieIcfgContainer [2022-07-12 06:20:38,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 06:20:38,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 06:20:38,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 06:20:38,447 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 06:20:38,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:20:36" (3/4) ... [2022-07-12 06:20:38,449 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 06:20:38,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-12 06:20:38,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-12 06:20:38,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-12 06:20:38,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-12 06:20:38,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-12 06:20:38,460 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-07-12 06:20:38,460 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-12 06:20:38,461 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 06:20:38,461 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 06:20:38,461 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 06:20:38,462 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:20:38,462 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:20:38,478 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2022-07-12 06:20:38,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-12 06:20:38,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-12 06:20:38,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive [2022-07-12 06:20:38,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive [2022-07-12 06:20:38,499 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 06:20:38,500 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 06:20:38,500 INFO L158 Benchmark]: Toolchain (without parser) took 3217.95ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 62.8MB in the beginning and 114.3MB in the end (delta: -51.5MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-07-12 06:20:38,500 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory was 52.8MB in the beginning and 52.7MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:20:38,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 676.32ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 62.6MB in the beginning and 156.6MB in the end (delta: -93.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-07-12 06:20:38,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.29ms. Allocated memory is still 188.7MB. Free memory was 156.6MB in the beginning and 154.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:20:38,501 INFO L158 Benchmark]: Boogie Preprocessor took 53.52ms. Allocated memory is still 188.7MB. Free memory was 154.5MB in the beginning and 153.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:20:38,501 INFO L158 Benchmark]: RCFGBuilder took 655.84ms. Allocated memory is still 188.7MB. Free memory was 153.0MB in the beginning and 138.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-12 06:20:38,502 INFO L158 Benchmark]: TraceAbstraction took 1683.55ms. Allocated memory is still 188.7MB. Free memory was 137.7MB in the beginning and 119.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2022-07-12 06:20:38,502 INFO L158 Benchmark]: Witness Printer took 52.95ms. Allocated memory is still 188.7MB. Free memory was 119.5MB in the beginning and 114.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 06:20:38,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory was 52.8MB in the beginning and 52.7MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 676.32ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 62.6MB in the beginning and 156.6MB in the end (delta: -93.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.29ms. Allocated memory is still 188.7MB. Free memory was 156.6MB in the beginning and 154.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.52ms. Allocated memory is still 188.7MB. Free memory was 154.5MB in the beginning and 153.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 655.84ms. Allocated memory is still 188.7MB. Free memory was 153.0MB in the beginning and 138.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1683.55ms. Allocated memory is still 188.7MB. Free memory was 137.7MB in the beginning and 119.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Witness Printer took 52.95ms. Allocated memory is still 188.7MB. Free memory was 119.5MB in the beginning and 114.3MB 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: 804]: 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 6 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 134 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 503 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 248 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 255 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 114 PreInvPairs, 128 NumberOfFragments, 167 HoareAnnotationTreeSize, 114 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 160 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive RESULT: Ultimate proved your program to be correct! [2022-07-12 06:20:38,549 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