./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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_product12.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 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 17:58:24,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 17:58:24,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 17:58:24,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 17:58:24,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 17:58:24,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 17:58:24,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 17:58:24,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 17:58:24,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 17:58:24,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 17:58:24,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 17:58:24,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 17:58:24,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 17:58:24,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 17:58:24,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 17:58:24,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 17:58:24,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 17:58:24,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 17:58:24,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 17:58:24,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 17:58:24,598 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 17:58:24,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 17:58:24,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 17:58:24,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 17:58:24,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 17:58:24,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 17:58:24,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 17:58:24,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 17:58:24,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 17:58:24,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 17:58:24,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 17:58:24,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 17:58:24,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 17:58:24,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 17:58:24,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 17:58:24,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 17:58:24,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 17:58:24,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 17:58:24,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 17:58:24,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 17:58:24,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 17:58:24,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 17:58:24,615 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 17:58:24,637 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 17:58:24,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 17:58:24,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 17:58:24,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 17:58:24,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 17:58:24,639 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 17:58:24,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 17:58:24,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 17:58:24,639 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 17:58:24,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 17:58:24,640 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 17:58:24,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 17:58:24,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 17:58:24,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 17:58:24,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 17:58:24,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 17:58:24,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 17:58:24,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 17:58:24,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 17:58:24,642 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 17:58:24,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 17:58:24,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 17:58:24,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 17:58:24,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 17:58:24,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:58:24,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 17:58:24,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 17:58:24,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 17:58:24,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 17:58:24,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 17:58:24,644 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 17:58:24,644 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 17:58:24,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 17:58:24,644 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7 [2022-07-13 17:58:24,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 17:58:24,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 17:58:24,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 17:58:24,880 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 17:58:24,881 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 17:58:24,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2022-07-13 17:58:24,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c284ae25/57df805f6de247938267fdee6fd8864e/FLAGb4a221582 [2022-07-13 17:58:25,341 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 17:58:25,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2022-07-13 17:58:25,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c284ae25/57df805f6de247938267fdee6fd8864e/FLAGb4a221582 [2022-07-13 17:58:25,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c284ae25/57df805f6de247938267fdee6fd8864e [2022-07-13 17:58:25,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 17:58:25,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 17:58:25,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 17:58:25,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 17:58:25,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 17:58:25,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:58:25" (1/1) ... [2022-07-13 17:58:25,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771b0d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:25, skipping insertion in model container [2022-07-13 17:58:25,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:58:25" (1/1) ... [2022-07-13 17:58:25,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 17:58:25,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 17:58:26,057 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_product12.cil.c[6803,6816] [2022-07-13 17:58:26,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:58:26,119 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 17:58:26,153 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_product12.cil.c[6803,6816] [2022-07-13 17:58:26,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:58:26,215 INFO L208 MainTranslator]: Completed translation [2022-07-13 17:58:26,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:26 WrapperNode [2022-07-13 17:58:26,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 17:58:26,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 17:58:26,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 17:58:26,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 17:58:26,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:26" (1/1) ... [2022-07-13 17:58:26,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:26" (1/1) ... [2022-07-13 17:58:26,267 INFO L137 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 198 [2022-07-13 17:58:26,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 17:58:26,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 17:58:26,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 17:58:26,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 17:58:26,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:26" (1/1) ... [2022-07-13 17:58:26,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:26" (1/1) ... [2022-07-13 17:58:26,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:26" (1/1) ... [2022-07-13 17:58:26,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:26" (1/1) ... [2022-07-13 17:58:26,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:26" (1/1) ... [2022-07-13 17:58:26,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:26" (1/1) ... [2022-07-13 17:58:26,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:26" (1/1) ... [2022-07-13 17:58:26,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 17:58:26,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 17:58:26,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 17:58:26,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 17:58:26,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:26" (1/1) ... [2022-07-13 17:58:26,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:58:26,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:58:26,314 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) [2022-07-13 17:58:26,327 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 [2022-07-13 17:58:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 17:58:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-13 17:58:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-13 17:58:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-13 17:58:26,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-13 17:58:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-13 17:58:26,362 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-13 17:58:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-13 17:58:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-13 17:58:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 17:58:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-13 17:58:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-13 17:58:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 17:58:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 17:58:26,448 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 17:58:26,450 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 17:58:26,666 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 17:58:26,671 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 17:58:26,671 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 17:58:26,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:58:26 BoogieIcfgContainer [2022-07-13 17:58:26,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 17:58:26,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 17:58:26,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 17:58:26,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 17:58:26,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 05:58:25" (1/3) ... [2022-07-13 17:58:26,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3120d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:58:26, skipping insertion in model container [2022-07-13 17:58:26,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:58:26" (2/3) ... [2022-07-13 17:58:26,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3120d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:58:26, skipping insertion in model container [2022-07-13 17:58:26,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:58:26" (3/3) ... [2022-07-13 17:58:26,681 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2022-07-13 17:58:26,700 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 17:58:26,701 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 17:58:26,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 17:58:26,760 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@75c88da1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5b4455a4 [2022-07-13 17:58:26,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 17:58:26,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 59 states have internal predecessors, (76), 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) [2022-07-13 17:58:26,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-13 17:58:26,777 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:26,777 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] [2022-07-13 17:58:26,778 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:26,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:26,783 INFO L85 PathProgramCache]: Analyzing trace with hash -219446273, now seen corresponding path program 1 times [2022-07-13 17:58:26,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:26,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712107829] [2022-07-13 17:58:26,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:26,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 17:58:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:26,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:26,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712107829] [2022-07-13 17:58:26,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712107829] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:26,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:26,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 17:58:26,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021272296] [2022-07-13 17:58:26,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:26,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 17:58:26,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:27,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 17:58:27,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:58:27,017 INFO L87 Difference]: Start difference. First operand has 69 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 59 states have internal predecessors, (76), 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) [2022-07-13 17:58:27,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:27,044 INFO L93 Difference]: Finished difference Result 129 states and 174 transitions. [2022-07-13 17:58:27,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 17:58:27,046 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 [2022-07-13 17:58:27,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:27,055 INFO L225 Difference]: With dead ends: 129 [2022-07-13 17:58:27,055 INFO L226 Difference]: Without dead ends: 60 [2022-07-13 17:58:27,058 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 [2022-07-13 17:58:27,060 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 [2022-07-13 17:58:27,061 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] [2022-07-13 17:58:27,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-07-13 17:58:27,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-07-13 17:58:27,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 51 states have internal predecessors, (62), 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) [2022-07-13 17:58:27,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2022-07-13 17:58:27,114 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 25 [2022-07-13 17:58:27,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:27,114 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2022-07-13 17:58:27,115 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) [2022-07-13 17:58:27,115 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-07-13 17:58:27,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-13 17:58:27,118 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:27,118 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] [2022-07-13 17:58:27,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 17:58:27,119 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:27,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:27,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1164807818, now seen corresponding path program 1 times [2022-07-13 17:58:27,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:27,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179252862] [2022-07-13 17:58:27,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:27,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 17:58:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:27,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:27,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179252862] [2022-07-13 17:58:27,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179252862] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:27,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:27,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:58:27,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265558411] [2022-07-13 17:58:27,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:27,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:58:27,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:27,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:58:27,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:58:27,203 INFO L87 Difference]: Start difference. First operand 60 states and 75 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) [2022-07-13 17:58:27,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:27,218 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2022-07-13 17:58:27,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:58:27,219 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 [2022-07-13 17:58:27,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:27,220 INFO L225 Difference]: With dead ends: 80 [2022-07-13 17:58:27,221 INFO L226 Difference]: Without dead ends: 51 [2022-07-13 17:58:27,222 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 [2022-07-13 17:58:27,223 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 18 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 102 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 [2022-07-13 17:58:27,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:58:27,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-07-13 17:58:27,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-07-13 17:58:27,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 45 states have internal predecessors, (55), 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) [2022-07-13 17:58:27,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2022-07-13 17:58:27,231 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 26 [2022-07-13 17:58:27,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:27,231 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2022-07-13 17:58:27,231 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) [2022-07-13 17:58:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-07-13 17:58:27,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-13 17:58:27,232 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:27,233 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] [2022-07-13 17:58:27,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 17:58:27,241 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:27,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:27,242 INFO L85 PathProgramCache]: Analyzing trace with hash -969067289, now seen corresponding path program 1 times [2022-07-13 17:58:27,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:27,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401290929] [2022-07-13 17:58:27,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:27,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:27,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 17:58:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:27,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:27,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401290929] [2022-07-13 17:58:27,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401290929] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:27,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:27,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 17:58:27,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357834438] [2022-07-13 17:58:27,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:27,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 17:58:27,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:27,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 17:58:27,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 17:58:27,336 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-07-13 17:58:27,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:27,401 INFO L93 Difference]: Finished difference Result 134 states and 172 transitions. [2022-07-13 17:58:27,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 17:58:27,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2022-07-13 17:58:27,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:27,404 INFO L225 Difference]: With dead ends: 134 [2022-07-13 17:58:27,404 INFO L226 Difference]: Without dead ends: 91 [2022-07-13 17:58:27,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-13 17:58:27,405 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 133 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:27,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 183 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:58:27,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-13 17:58:27,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2022-07-13 17:58:27,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 74 states have internal predecessors, (93), 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) [2022-07-13 17:58:27,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2022-07-13 17:58:27,414 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 31 [2022-07-13 17:58:27,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:27,415 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2022-07-13 17:58:27,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-07-13 17:58:27,415 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2022-07-13 17:58:27,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-13 17:58:27,416 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:58:27,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:58:27,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 17:58:27,416 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:58:27,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:58:27,417 INFO L85 PathProgramCache]: Analyzing trace with hash -2135881790, now seen corresponding path program 1 times [2022-07-13 17:58:27,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:58:27,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901569925] [2022-07-13 17:58:27,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:58:27,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:58:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-13 17:58:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:58:27,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:58:27,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:58:27,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901569925] [2022-07-13 17:58:27,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901569925] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:58:27,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:58:27,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 17:58:27,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287798525] [2022-07-13 17:58:27,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:58:27,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 17:58:27,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:58:27,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 17:58:27,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 17:58:27,459 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:58:27,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:58:27,484 INFO L93 Difference]: Finished difference Result 161 states and 210 transitions. [2022-07-13 17:58:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 17:58:27,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-13 17:58:27,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:58:27,485 INFO L225 Difference]: With dead ends: 161 [2022-07-13 17:58:27,485 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 17:58:27,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:58:27,486 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 36 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:58:27,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 148 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:58:27,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 17:58:27,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 17:58:27,487 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) [2022-07-13 17:58:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 17:58:27,488 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-07-13 17:58:27,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:58:27,488 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 17:58:27,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:58:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 17:58:27,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 17:58:27,490 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 17:58:27,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 17:58:27,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 17:58:27,664 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 386 397) the Hoare annotation is: true [2022-07-13 17:58:27,664 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 386 397) no Hoare annotation was computed. [2022-07-13 17:58:27,664 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 386 397) no Hoare annotation was computed. [2022-07-13 17:58:27,664 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 398 406) the Hoare annotation is: true [2022-07-13 17:58:27,664 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 398 406) no Hoare annotation was computed. [2022-07-13 17:58:27,664 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 398 406) no Hoare annotation was computed. [2022-07-13 17:58:27,664 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 816 845) no Hoare annotation was computed. [2022-07-13 17:58:27,665 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 834) no Hoare annotation was computed. [2022-07-13 17:58:27,665 INFO L902 garLoopResultBuilder]: At program point L830-1(lines 830 834) the Hoare annotation is: true [2022-07-13 17:58:27,665 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 816 845) the Hoare annotation is: true [2022-07-13 17:58:27,665 INFO L899 garLoopResultBuilder]: For program point L827(line 827) no Hoare annotation was computed. [2022-07-13 17:58:27,665 INFO L902 garLoopResultBuilder]: At program point L826-2(lines 826 840) the Hoare annotation is: true [2022-07-13 17:58:27,665 INFO L902 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: true [2022-07-13 17:58:27,665 INFO L899 garLoopResultBuilder]: For program point L822-1(line 822) no Hoare annotation was computed. [2022-07-13 17:58:27,666 INFO L902 garLoopResultBuilder]: At program point L841(lines 816 845) the Hoare annotation is: true [2022-07-13 17:58:27,666 INFO L899 garLoopResultBuilder]: For program point L837(line 837) no Hoare annotation was computed. [2022-07-13 17:58:27,666 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-07-13 17:58:27,666 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 351) no Hoare annotation was computed. [2022-07-13 17:58:27,666 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 177 196) no Hoare annotation was computed. [2022-07-13 17:58:27,666 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 354) no Hoare annotation was computed. [2022-07-13 17:58:27,666 INFO L902 garLoopResultBuilder]: At program point L337-1(lines 329 357) the Hoare annotation is: true [2022-07-13 17:58:27,666 INFO L902 garLoopResultBuilder]: At program point L335(line 335) the Hoare annotation is: true [2022-07-13 17:58:27,667 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 370) no Hoare annotation was computed. [2022-07-13 17:58:27,667 INFO L899 garLoopResultBuilder]: For program point L335-1(line 335) no Hoare annotation was computed. [2022-07-13 17:58:27,667 INFO L895 garLoopResultBuilder]: At program point L366-2(lines 362 373) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-07-13 17:58:27,667 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 174 197) no Hoare annotation was computed. [2022-07-13 17:58:27,667 INFO L895 garLoopResultBuilder]: At program point L255(lines 250 258) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0)) [2022-07-13 17:58:27,667 INFO L895 garLoopResultBuilder]: At program point L445(lines 440 447) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-07-13 17:58:27,667 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2022-07-13 17:58:27,668 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 348) no Hoare annotation was computed. [2022-07-13 17:58:27,668 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 174 197) the Hoare annotation is: true [2022-07-13 17:58:27,668 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 174 197) no Hoare annotation was computed. [2022-07-13 17:58:27,668 INFO L895 garLoopResultBuilder]: At program point L202(lines 198 204) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2022-07-13 17:58:27,668 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 444) no Hoare annotation was computed. [2022-07-13 17:58:27,668 INFO L899 garLoopResultBuilder]: For program point L898-2(lines 898 905) no Hoare annotation was computed. [2022-07-13 17:58:27,668 INFO L895 garLoopResultBuilder]: At program point L126(line 126) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:58:27,669 INFO L895 garLoopResultBuilder]: At program point L151(lines 104 153) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:58:27,669 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 120) no Hoare annotation was computed. [2022-07-13 17:58:27,669 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 114 120) no Hoare annotation was computed. [2022-07-13 17:58:27,669 INFO L902 garLoopResultBuilder]: At program point L907(lines 888 910) the Hoare annotation is: true [2022-07-13 17:58:27,669 INFO L895 garLoopResultBuilder]: At program point L874(lines 870 876) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-07-13 17:58:27,669 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 110) no Hoare annotation was computed. [2022-07-13 17:58:27,669 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 17:58:27,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 17:58:27,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 17:58:27,670 INFO L895 garLoopResultBuilder]: At program point L326(lines 321 328) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-07-13 17:58:27,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 17:58:27,670 INFO L902 garLoopResultBuilder]: At program point L157(lines 94 161) the Hoare annotation is: true [2022-07-13 17:58:27,670 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 130) no Hoare annotation was computed. [2022-07-13 17:58:27,670 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 130) no Hoare annotation was computed. [2022-07-13 17:58:27,670 INFO L895 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:58:27,671 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-07-13 17:58:27,671 INFO L895 garLoopResultBuilder]: At program point L236(lines 231 238) the Hoare annotation is: false [2022-07-13 17:58:27,671 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-07-13 17:58:27,671 INFO L895 garLoopResultBuilder]: At program point L315(lines 310 317) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-07-13 17:58:27,671 INFO L895 garLoopResultBuilder]: At program point L154(lines 103 155) the Hoare annotation is: false [2022-07-13 17:58:27,671 INFO L902 garLoopResultBuilder]: At program point L885(lines 877 887) the Hoare annotation is: true [2022-07-13 17:58:27,671 INFO L895 garLoopResultBuilder]: At program point L307(lines 295 309) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:58:27,672 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 148) no Hoare annotation was computed. [2022-07-13 17:58:27,672 INFO L895 garLoopResultBuilder]: At program point L142-2(lines 134 149) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:58:27,672 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 305) no Hoare annotation was computed. [2022-07-13 17:58:27,672 INFO L899 garLoopResultBuilder]: For program point L105(lines 104 153) no Hoare annotation was computed. [2022-07-13 17:58:27,672 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 299 305) no Hoare annotation was computed. [2022-07-13 17:58:27,672 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 149) no Hoare annotation was computed. [2022-07-13 17:58:27,672 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-07-13 17:58:27,672 INFO L899 garLoopResultBuilder]: For program point L898(lines 898 905) no Hoare annotation was computed. [2022-07-13 17:58:27,673 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 374 385) no Hoare annotation was computed. [2022-07-13 17:58:27,673 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 374 385) no Hoare annotation was computed. [2022-07-13 17:58:27,673 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 374 385) the Hoare annotation is: true [2022-07-13 17:58:27,675 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-13 17:58:27,676 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 17:58:27,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 05:58:27 BoogieIcfgContainer [2022-07-13 17:58:27,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 17:58:27,687 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 17:58:27,687 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 17:58:27,687 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 17:58:27,688 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:58:26" (3/4) ... [2022-07-13 17:58:27,689 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 17:58:27,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-13 17:58:27,694 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-13 17:58:27,694 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-13 17:58:27,694 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-13 17:58:27,694 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-13 17:58:27,699 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2022-07-13 17:58:27,699 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-13 17:58:27,700 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 17:58:27,700 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 17:58:27,700 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 17:58:27,701 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:58:27,701 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:58:27,716 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) [2022-07-13 17:58:27,716 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && \result == 1) && !(0 == systemActive) [2022-07-13 17:58:27,717 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && \result == 1) && !(0 == systemActive) [2022-07-13 17:58:27,717 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0 [2022-07-13 17:58:27,718 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && !(0 == systemActive) [2022-07-13 17:58:27,718 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0 [2022-07-13 17:58:27,718 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || \result == 0 [2022-07-13 17:58:27,731 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 17:58:27,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 17:58:27,731 INFO L158 Benchmark]: Toolchain (without parser) took 2027.50ms. Allocated memory was 109.1MB in the beginning and 165.7MB in the end (delta: 56.6MB). Free memory was 85.4MB in the beginning and 85.3MB in the end (delta: 15.1kB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2022-07-13 17:58:27,732 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:58:27,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.39ms. Allocated memory was 109.1MB in the beginning and 165.7MB in the end (delta: 56.6MB). Free memory was 85.1MB in the beginning and 132.8MB in the end (delta: -47.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 17:58:27,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.39ms. Allocated memory is still 165.7MB. Free memory was 132.3MB in the beginning and 130.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:58:27,732 INFO L158 Benchmark]: Boogie Preprocessor took 17.27ms. Allocated memory is still 165.7MB. Free memory was 130.2MB in the beginning and 128.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:58:27,733 INFO L158 Benchmark]: RCFGBuilder took 387.21ms. Allocated memory is still 165.7MB. Free memory was 128.7MB in the beginning and 114.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-13 17:58:27,733 INFO L158 Benchmark]: TraceAbstraction took 1012.70ms. Allocated memory is still 165.7MB. Free memory was 113.4MB in the beginning and 90.0MB in the end (delta: 23.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-07-13 17:58:27,733 INFO L158 Benchmark]: Witness Printer took 44.17ms. Allocated memory is still 165.7MB. Free memory was 90.0MB in the beginning and 85.3MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 17:58:27,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.39ms. Allocated memory was 109.1MB in the beginning and 165.7MB in the end (delta: 56.6MB). Free memory was 85.1MB in the beginning and 132.8MB in the end (delta: -47.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.39ms. Allocated memory is still 165.7MB. Free memory was 132.3MB in the beginning and 130.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.27ms. Allocated memory is still 165.7MB. Free memory was 130.2MB in the beginning and 128.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 387.21ms. Allocated memory is still 165.7MB. Free memory was 128.7MB in the beginning and 114.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1012.70ms. Allocated memory is still 165.7MB. Free memory was 113.4MB in the beginning and 90.0MB in the end (delta: 23.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Witness Printer took 44.17ms. Allocated memory is still 165.7MB. Free memory was 90.0MB in the beginning and 85.3MB in the end (delta: 4.6MB). 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: 444]: 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: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 190 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 517 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 258 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 259 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=3, 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 115 PreInvPairs, 143 NumberOfFragments, 178 HoareAnnotationTreeSize, 115 FomulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 250 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 182 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 877]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(0 == systemActive) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || \result == 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) RESULT: Ultimate proved your program to be correct! [2022-07-13 17:58:27,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE