./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product09.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 253216605bcefff455f75b86610d9086dd77a5c120ff63014eec6402e624337d --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:37:28,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:37:28,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:37:28,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:37:28,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:37:28,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:37:28,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:37:28,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:37:28,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:37:28,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:37:28,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:37:28,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:37:28,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:37:28,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:37:28,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:37:28,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:37:28,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:37:28,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:37:28,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:37:28,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:37:28,524 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:37:28,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:37:28,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:37:28,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:37:28,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:37:28,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:37:28,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:37:28,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:37:28,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:37:28,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:37:28,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:37:28,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:37:28,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:37:28,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:37:28,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:37:28,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:37:28,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:37:28,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:37:28,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:37:28,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:37:28,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:37:28,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:37:28,555 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:37:28,581 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:37:28,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:37:28,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:37:28,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:37:28,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:37:28,596 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:37:28,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:37:28,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:37:28,598 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:37:28,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:37:28,599 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:37:28,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:37:28,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:37:28,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:37:28,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:37:28,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:37:28,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:37:28,600 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:37:28,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:37:28,600 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:37:28,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:37:28,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:37:28,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:37:28,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:37:28,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:28,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:37:28,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:37:28,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:37:28,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:37:28,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:37:28,602 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:37:28,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:37:28,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:37:28,602 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 253216605bcefff455f75b86610d9086dd77a5c120ff63014eec6402e624337d [2022-07-22 17:37:28,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:37:28,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:37:28,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:37:28,960 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:37:28,961 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:37:28,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2022-07-22 17:37:29,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea55dfa6d/a338f70e2c9e4c43b8771aadfb1398a2/FLAGe371e9263 [2022-07-22 17:37:29,437 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:37:29,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2022-07-22 17:37:29,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea55dfa6d/a338f70e2c9e4c43b8771aadfb1398a2/FLAGe371e9263 [2022-07-22 17:37:29,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea55dfa6d/a338f70e2c9e4c43b8771aadfb1398a2 [2022-07-22 17:37:29,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:37:29,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:37:29,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:29,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:37:29,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:37:29,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:29" (1/1) ... [2022-07-22 17:37:29,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79aa734c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:29, skipping insertion in model container [2022-07-22 17:37:29,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:29" (1/1) ... [2022-07-22 17:37:29,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:37:29,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:37:30,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c[1605,1618] [2022-07-22 17:37:30,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:30,229 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:37:30,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c[1605,1618] [2022-07-22 17:37:30,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:30,294 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:37:30,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:30 WrapperNode [2022-07-22 17:37:30,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:30,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:30,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:37:30,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:37:30,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:30" (1/1) ... [2022-07-22 17:37:30,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:30" (1/1) ... [2022-07-22 17:37:30,334 INFO L137 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 19, calls inlined = 14, statements flattened = 188 [2022-07-22 17:37:30,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:30,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:37:30,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:37:30,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:37:30,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:30" (1/1) ... [2022-07-22 17:37:30,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:30" (1/1) ... [2022-07-22 17:37:30,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:30" (1/1) ... [2022-07-22 17:37:30,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:30" (1/1) ... [2022-07-22 17:37:30,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:30" (1/1) ... [2022-07-22 17:37:30,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:30" (1/1) ... [2022-07-22 17:37:30,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:30" (1/1) ... [2022-07-22 17:37:30,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:37:30,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:37:30,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:37:30,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:37:30,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:30" (1/1) ... [2022-07-22 17:37:30,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:30,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:37:30,405 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) [2022-07-22 17:37:30,411 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 [2022-07-22 17:37:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:37:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-22 17:37:30,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-22 17:37:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:37:30,448 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:37:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:37:30,448 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:37:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:37:30,448 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:37:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:37:30,449 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:37:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:37:30,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:37:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:37:30,549 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:37:30,551 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:37:30,750 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:37:30,755 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:37:30,755 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:37:30,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:30 BoogieIcfgContainer [2022-07-22 17:37:30,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:37:30,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:37:30,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:37:30,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:37:30,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:37:29" (1/3) ... [2022-07-22 17:37:30,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6923770c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:30, skipping insertion in model container [2022-07-22 17:37:30,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:30" (2/3) ... [2022-07-22 17:37:30,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6923770c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:30, skipping insertion in model container [2022-07-22 17:37:30,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:30" (3/3) ... [2022-07-22 17:37:30,762 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2022-07-22 17:37:30,771 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:37:30,772 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:37:30,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:37:30,817 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@44e12ec5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4de9d66e [2022-07-22 17:37:30,817 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:37:30,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 50 states have (on average 1.4) internal successors, (70), 54 states have internal predecessors, (70), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-22 17:37:30,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 17:37:30,826 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:30,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:30,827 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:30,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:30,831 INFO L85 PathProgramCache]: Analyzing trace with hash -701236308, now seen corresponding path program 1 times [2022-07-22 17:37:30,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:30,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452216522] [2022-07-22 17:37:30,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:30,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:31,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 17:37:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:31,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:31,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452216522] [2022-07-22 17:37:31,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452216522] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:31,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:31,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:37:31,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482293530] [2022-07-22 17:37:31,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:31,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:37:31,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:31,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:37:31,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:37:31,086 INFO L87 Difference]: Start difference. First operand has 64 states, 50 states have (on average 1.4) internal successors, (70), 54 states have internal predecessors, (70), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:31,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:31,120 INFO L93 Difference]: Finished difference Result 119 states and 162 transitions. [2022-07-22 17:37:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:37:31,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-22 17:37:31,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:31,129 INFO L225 Difference]: With dead ends: 119 [2022-07-22 17:37:31,129 INFO L226 Difference]: Without dead ends: 55 [2022-07-22 17:37:31,133 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 [2022-07-22 17:37:31,137 INFO L413 NwaCegarLoop]: 78 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, 78 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 [2022-07-22 17:37:31,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:31,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-07-22 17:37:31,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-07-22 17:37:31,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.302325581395349) internal successors, (56), 46 states have internal predecessors, (56), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-22 17:37:31,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2022-07-22 17:37:31,180 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 25 [2022-07-22 17:37:31,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:31,180 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-07-22 17:37:31,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:31,181 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-07-22 17:37:31,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 17:37:31,184 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:31,184 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:31,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:37:31,184 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:31,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:31,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1233440976, now seen corresponding path program 1 times [2022-07-22 17:37:31,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:31,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978483616] [2022-07-22 17:37:31,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:31,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:31,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 17:37:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:31,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:31,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:31,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978483616] [2022-07-22 17:37:31,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978483616] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:31,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:31,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:37:31,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857015514] [2022-07-22 17:37:31,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:31,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:37:31,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:31,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:37:31,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:31,267 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:31,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:31,283 INFO L93 Difference]: Finished difference Result 75 states and 93 transitions. [2022-07-22 17:37:31,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:37:31,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-22 17:37:31,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:31,286 INFO L225 Difference]: With dead ends: 75 [2022-07-22 17:37:31,286 INFO L226 Difference]: Without dead ends: 46 [2022-07-22 17:37:31,289 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 [2022-07-22 17:37:31,291 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 12 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 96 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 [2022-07-22 17:37:31,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 96 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:31,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-07-22 17:37:31,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-07-22 17:37:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 40 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 17:37:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2022-07-22 17:37:31,302 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 26 [2022-07-22 17:37:31,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:31,303 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions. [2022-07-22 17:37:31,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2022-07-22 17:37:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-22 17:37:31,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:31,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:31,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:37:31,306 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:31,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:31,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1586529025, now seen corresponding path program 1 times [2022-07-22 17:37:31,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:31,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346403441] [2022-07-22 17:37:31,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:31,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:31,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:37:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:31,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:31,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:31,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346403441] [2022-07-22 17:37:31,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346403441] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:31,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:31,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:31,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469913173] [2022-07-22 17:37:31,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:31,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:31,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:31,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:31,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:31,437 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:31,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:31,490 INFO L93 Difference]: Finished difference Result 84 states and 107 transitions. [2022-07-22 17:37:31,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:37:31,491 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-22 17:37:31,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:31,492 INFO L225 Difference]: With dead ends: 84 [2022-07-22 17:37:31,492 INFO L226 Difference]: Without dead ends: 46 [2022-07-22 17:37:31,493 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 [2022-07-22 17:37:31,494 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 118 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:31,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 106 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:31,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-07-22 17:37:31,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-07-22 17:37:31,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 40 states have internal predecessors, (48), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 17:37:31,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2022-07-22 17:37:31,499 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 30 [2022-07-22 17:37:31,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:31,500 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2022-07-22 17:37:31,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:31,500 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-07-22 17:37:31,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-22 17:37:31,501 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:31,501 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] [2022-07-22 17:37:31,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:37:31,501 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:31,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:31,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1318578392, now seen corresponding path program 1 times [2022-07-22 17:37:31,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:31,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312025053] [2022-07-22 17:37:31,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:31,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:31,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 17:37:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:31,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:31,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312025053] [2022-07-22 17:37:31,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312025053] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:31,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:31,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:31,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249929879] [2022-07-22 17:37:31,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:31,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:31,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:31,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:31,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:31,556 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:31,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:31,610 INFO L93 Difference]: Finished difference Result 120 states and 152 transitions. [2022-07-22 17:37:31,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 17:37:31,610 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-07-22 17:37:31,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:31,613 INFO L225 Difference]: With dead ends: 120 [2022-07-22 17:37:31,613 INFO L226 Difference]: Without dead ends: 82 [2022-07-22 17:37:31,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:37:31,615 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 28 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:31,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 256 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:31,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-07-22 17:37:31,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2022-07-22 17:37:31,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 67 states have internal predecessors, (80), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2022-07-22 17:37:31,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2022-07-22 17:37:31,643 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 97 transitions. Word has length 31 [2022-07-22 17:37:31,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:31,643 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 97 transitions. [2022-07-22 17:37:31,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:31,643 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 97 transitions. [2022-07-22 17:37:31,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-22 17:37:31,644 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:31,645 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] [2022-07-22 17:37:31,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:37:31,645 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:31,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:31,646 INFO L85 PathProgramCache]: Analyzing trace with hash -919560372, now seen corresponding path program 1 times [2022-07-22 17:37:31,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:31,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432635751] [2022-07-22 17:37:31,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:31,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:31,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:37:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:31,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:37:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:31,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:31,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:31,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432635751] [2022-07-22 17:37:31,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432635751] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:31,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:31,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:31,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483964497] [2022-07-22 17:37:31,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:31,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:31,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:31,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:31,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:31,702 INFO L87 Difference]: Start difference. First operand 79 states and 97 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:37:31,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:31,771 INFO L93 Difference]: Finished difference Result 146 states and 182 transitions. [2022-07-22 17:37:31,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 17:37:31,771 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-07-22 17:37:31,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:31,772 INFO L225 Difference]: With dead ends: 146 [2022-07-22 17:37:31,772 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:37:31,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:37:31,774 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 42 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:31,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 117 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:31,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:37:31,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:37:31,775 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) [2022-07-22 17:37:31,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:37:31,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-07-22 17:37:31,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:31,776 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:37:31,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:37:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:37:31,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:37:31,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:37:31,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:37:31,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:37:32,029 INFO L899 garLoopResultBuilder]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2022-07-22 17:37:32,029 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 793 804) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-22 17:37:32,029 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 793 804) no Hoare annotation was computed. [2022-07-22 17:37:32,029 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 805 813) the Hoare annotation is: true [2022-07-22 17:37:32,030 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 805 813) no Hoare annotation was computed. [2022-07-22 17:37:32,030 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 805 813) no Hoare annotation was computed. [2022-07-22 17:37:32,030 INFO L902 garLoopResultBuilder]: At program point L673(line 673) the Hoare annotation is: true [2022-07-22 17:37:32,030 INFO L899 garLoopResultBuilder]: For program point L673-1(line 673) no Hoare annotation was computed. [2022-07-22 17:37:32,030 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 667 696) no Hoare annotation was computed. [2022-07-22 17:37:32,030 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 667 696) the Hoare annotation is: true [2022-07-22 17:37:32,030 INFO L902 garLoopResultBuilder]: At program point L692(lines 667 696) the Hoare annotation is: true [2022-07-22 17:37:32,031 INFO L899 garLoopResultBuilder]: For program point L688(line 688) no Hoare annotation was computed. [2022-07-22 17:37:32,031 INFO L899 garLoopResultBuilder]: For program point L681(lines 681 685) no Hoare annotation was computed. [2022-07-22 17:37:32,031 INFO L902 garLoopResultBuilder]: At program point L681-1(lines 681 685) the Hoare annotation is: true [2022-07-22 17:37:32,031 INFO L899 garLoopResultBuilder]: For program point L678(line 678) no Hoare annotation was computed. [2022-07-22 17:37:32,031 INFO L902 garLoopResultBuilder]: At program point L677-2(lines 677 691) the Hoare annotation is: true [2022-07-22 17:37:32,032 INFO L899 garLoopResultBuilder]: For program point L642-1(line 642) no Hoare annotation was computed. [2022-07-22 17:37:32,032 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-22 17:37:32,032 INFO L902 garLoopResultBuilder]: At program point L533(lines 529 535) the Hoare annotation is: true [2022-07-22 17:37:32,032 INFO L899 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2022-07-22 17:37:32,033 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 505 528) no Hoare annotation was computed. [2022-07-22 17:37:32,033 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 777) no Hoare annotation was computed. [2022-07-22 17:37:32,033 INFO L895 garLoopResultBuilder]: At program point L773-2(lines 769 780) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-07-22 17:37:32,033 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 508 527) no Hoare annotation was computed. [2022-07-22 17:37:32,034 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-07-22 17:37:32,034 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 505 528) the Hoare annotation is: true [2022-07-22 17:37:32,035 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 505 528) no Hoare annotation was computed. [2022-07-22 17:37:32,035 INFO L895 garLoopResultBuilder]: At program point L586(lines 581 589) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (= |timeShift_isPumpRunning_#res#1| 0)))) [2022-07-22 17:37:32,035 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-22 17:37:32,035 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 658) no Hoare annotation was computed. [2022-07-22 17:37:32,035 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 661) no Hoare annotation was computed. [2022-07-22 17:37:32,035 INFO L899 garLoopResultBuilder]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2022-07-22 17:37:32,036 INFO L895 garLoopResultBuilder]: At program point L644-1(lines 636 664) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| 0)) [2022-07-22 17:37:32,036 INFO L902 garLoopResultBuilder]: At program point L642(line 642) the Hoare annotation is: true [2022-07-22 17:37:32,036 INFO L899 garLoopResultBuilder]: For program point L440(lines 439 484) no Hoare annotation was computed. [2022-07-22 17:37:32,036 INFO L895 garLoopResultBuilder]: At program point L725(lines 721 727) 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~6#1| ~systemActive~0)) [2022-07-22 17:37:32,036 INFO L899 garLoopResultBuilder]: For program point L469(lines 469 480) no Hoare annotation was computed. [2022-07-22 17:37:32,037 INFO L895 garLoopResultBuilder]: At program point L461(line 461) 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)) [2022-07-22 17:37:32,037 INFO L895 garLoopResultBuilder]: At program point L482(lines 439 484) 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)) [2022-07-22 17:37:32,037 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2022-07-22 17:37:32,037 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2022-07-22 17:37:32,037 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:37:32,037 INFO L895 garLoopResultBuilder]: At program point L862(lines 858 864) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:32,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:37:32,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:37:32,039 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2022-07-22 17:37:32,040 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:37:32,040 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2022-07-22 17:37:32,040 INFO L895 garLoopResultBuilder]: At program point L475-2(lines 469 480) 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)) [2022-07-22 17:37:32,041 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 759) no Hoare annotation was computed. [2022-07-22 17:37:32,041 INFO L899 garLoopResultBuilder]: For program point L752-2(lines 752 759) no Hoare annotation was computed. [2022-07-22 17:37:32,041 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 465) no Hoare annotation was computed. [2022-07-22 17:37:32,041 INFO L899 garLoopResultBuilder]: For program point L459-1(lines 459 465) no Hoare annotation was computed. [2022-07-22 17:37:32,041 INFO L902 garLoopResultBuilder]: At program point L488(lines 429 492) the Hoare annotation is: true [2022-07-22 17:37:32,041 INFO L895 garLoopResultBuilder]: At program point L451(line 451) 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)) [2022-07-22 17:37:32,041 INFO L902 garLoopResultBuilder]: At program point L736(lines 728 738) the Hoare annotation is: true [2022-07-22 17:37:32,042 INFO L895 garLoopResultBuilder]: At program point L633(lines 628 635) 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~6#1| ~systemActive~0)) [2022-07-22 17:37:32,042 INFO L902 garLoopResultBuilder]: At program point L761(lines 742 764) the Hoare annotation is: true [2022-07-22 17:37:32,042 INFO L895 garLoopResultBuilder]: At program point L877(lines 872 880) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-07-22 17:37:32,042 INFO L895 garLoopResultBuilder]: At program point L869(lines 865 871) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:32,043 INFO L895 garLoopResultBuilder]: At program point L485(lines 438 486) the Hoare annotation is: false [2022-07-22 17:37:32,043 INFO L899 garLoopResultBuilder]: For program point L785-1(lines 781 792) no Hoare annotation was computed. [2022-07-22 17:37:32,043 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 781 792) no Hoare annotation was computed. [2022-07-22 17:37:32,043 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 781 792) the Hoare annotation is: true [2022-07-22 17:37:32,047 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-22 17:37:32,048 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:37:32,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:37:32 BoogieIcfgContainer [2022-07-22 17:37:32,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:37:32,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:37:32,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:37:32,072 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:37:32,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:30" (3/4) ... [2022-07-22 17:37:32,074 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:37:32,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:37:32,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-22 17:37:32,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:37:32,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:37:32,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:37:32,085 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-07-22 17:37:32,085 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:37:32,085 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:37:32,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:37:32,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:37:32,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:37:32,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:37:32,101 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-07-22 17:37:32,102 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-22 17:37:32,102 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-22 17:37:32,102 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive [2022-07-22 17:37:32,103 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(pumpRunning == 0) || !(1 == systemActive)) || \result == 0) [2022-07-22 17:37:32,113 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:37:32,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:37:32,113 INFO L158 Benchmark]: Toolchain (without parser) took 2298.51ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 48.4MB in the beginning and 43.7MB in the end (delta: 4.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-07-22 17:37:32,114 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 61.8MB in the beginning and 61.8MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:37:32,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.91ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 48.2MB in the beginning and 74.5MB in the end (delta: -26.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 17:37:32,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.30ms. Allocated memory is still 107.0MB. Free memory was 74.5MB in the beginning and 72.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:37:32,115 INFO L158 Benchmark]: Boogie Preprocessor took 15.51ms. Allocated memory is still 107.0MB. Free memory was 72.4MB in the beginning and 71.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:37:32,115 INFO L158 Benchmark]: RCFGBuilder took 405.76ms. Allocated memory is still 107.0MB. Free memory was 70.8MB in the beginning and 56.7MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 17:37:32,115 INFO L158 Benchmark]: TraceAbstraction took 1313.18ms. Allocated memory is still 107.0MB. Free memory was 56.2MB in the beginning and 47.9MB in the end (delta: 8.3MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-07-22 17:37:32,115 INFO L158 Benchmark]: Witness Printer took 41.42ms. Allocated memory is still 107.0MB. Free memory was 47.9MB in the beginning and 43.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 17:37:32,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 61.8MB in the beginning and 61.8MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.91ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 48.2MB in the beginning and 74.5MB in the end (delta: -26.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.30ms. Allocated memory is still 107.0MB. Free memory was 74.5MB in the beginning and 72.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.51ms. Allocated memory is still 107.0MB. Free memory was 72.4MB in the beginning and 71.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 405.76ms. Allocated memory is still 107.0MB. Free memory was 70.8MB in the beginning and 56.7MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1313.18ms. Allocated memory is still 107.0MB. Free memory was 56.2MB in the beginning and 47.9MB in the end (delta: 8.3MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Witness Printer took 41.42ms. Allocated memory is still 107.0MB. Free memory was 47.9MB in the beginning and 43.7MB in the end (delta: 4.2MB). 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: 54]: 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, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 200 mSDsluCounter, 653 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 369 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 109 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 284 mSDtfsCounter, 109 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 122 PreInvPairs, 142 NumberOfFragments, 215 HoareAnnotationTreeSize, 122 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 384 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 299 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: 865]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(pumpRunning == 0) || !(1 == systemActive)) || \result == 0) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0 RESULT: Ultimate proved your program to be correct! [2022-07-22 17:37:32,146 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