./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product05.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 89d79330893ddcb40b29f516de4dd8a28301af3358fb85b9aef9deff219c3c1d --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:16:54,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:16:54,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:16:54,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:16:54,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:16:54,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:16:54,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:16:54,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:16:54,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:16:54,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:16:54,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:16:54,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:16:54,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:16:54,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:16:54,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:16:54,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:16:54,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:16:54,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:16:54,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:16:54,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:16:54,544 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:16:54,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:16:54,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:16:54,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:16:54,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:16:54,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:16:54,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:16:54,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:16:54,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:16:54,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:16:54,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:16:54,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:16:54,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:16:54,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:16:54,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:16:54,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:16:54,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:16:54,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:16:54,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:16:54,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:16:54,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:16:54,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:16:54,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:16:54,584 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:16:54,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:16:54,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:16:54,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:16:54,586 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:16:54,586 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:16:54,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:16:54,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:16:54,587 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:16:54,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:16:54,588 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:16:54,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:16:54,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:16:54,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:16:54,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:16:54,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:16:54,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:16:54,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:16:54,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:16:54,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:16:54,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:16:54,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:16:54,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:16:54,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:16:54,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:16:54,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:16:54,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:16:54,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:16:54,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:16:54,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:16:54,592 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:16:54,592 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:16:54,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:16:54,592 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89d79330893ddcb40b29f516de4dd8a28301af3358fb85b9aef9deff219c3c1d [2022-07-12 06:16:54,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:16:54,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:16:54,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:16:54,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:16:54,809 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:16:54,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2022-07-12 06:16:54,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e32b3c6/9166591fb2454fbebd5d49beffae827f/FLAG2bf970a33 [2022-07-12 06:16:55,241 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:16:55,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2022-07-12 06:16:55,249 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e32b3c6/9166591fb2454fbebd5d49beffae827f/FLAG2bf970a33 [2022-07-12 06:16:55,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e32b3c6/9166591fb2454fbebd5d49beffae827f [2022-07-12 06:16:55,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:16:55,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:16:55,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:16:55,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:16:55,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:16:55,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:16:55" (1/1) ... [2022-07-12 06:16:55,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191c9b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:16:55, skipping insertion in model container [2022-07-12 06:16:55,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:16:55" (1/1) ... [2022-07-12 06:16:55,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:16:55,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:16:55,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c[4546,4559] [2022-07-12 06:16:55,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:16:55,532 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:16:55,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c[4546,4559] [2022-07-12 06:16:55,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:16:55,595 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:16:55,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:16:55 WrapperNode [2022-07-12 06:16:55,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:16:55,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:16:55,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:16:55,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:16:55,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:16:55" (1/1) ... [2022-07-12 06:16:55,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:16:55" (1/1) ... [2022-07-12 06:16:55,627 INFO L137 Inliner]: procedures = 50, calls = 148, calls flagged for inlining = 18, calls inlined = 15, statements flattened = 201 [2022-07-12 06:16:55,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:16:55,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:16:55,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:16:55,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:16:55,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:16:55" (1/1) ... [2022-07-12 06:16:55,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:16:55" (1/1) ... [2022-07-12 06:16:55,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:16:55" (1/1) ... [2022-07-12 06:16:55,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:16:55" (1/1) ... [2022-07-12 06:16:55,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:16:55" (1/1) ... [2022-07-12 06:16:55,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:16:55" (1/1) ... [2022-07-12 06:16:55,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:16:55" (1/1) ... [2022-07-12 06:16:55,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:16:55,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:16:55,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:16:55,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:16:55,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:16:55" (1/1) ... [2022-07-12 06:16:55,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:16:55,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:16:55,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 06:16:55,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 06:16:55,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:16:55,736 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-12 06:16:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-12 06:16:55,736 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-12 06:16:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-12 06:16:55,736 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-12 06:16:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-12 06:16:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-12 06:16:55,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-12 06:16:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-12 06:16:55,737 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-12 06:16:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:16:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-12 06:16:55,737 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-12 06:16:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:16:55,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:16:55,787 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:16:55,788 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:16:56,001 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:16:56,006 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:16:56,006 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 06:16:56,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:16:56 BoogieIcfgContainer [2022-07-12 06:16:56,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:16:56,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:16:56,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:16:56,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:16:56,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:16:55" (1/3) ... [2022-07-12 06:16:56,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793528d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:16:56, skipping insertion in model container [2022-07-12 06:16:56,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:16:55" (2/3) ... [2022-07-12 06:16:56,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793528d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:16:56, skipping insertion in model container [2022-07-12 06:16:56,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:16:56" (3/3) ... [2022-07-12 06:16:56,025 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2022-07-12 06:16:56,035 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:16:56,035 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:16:56,093 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:16:56,100 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@5daa47e0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@51b7711f [2022-07-12 06:16:56,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:16:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 60 states have internal predecessors, (75), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-07-12 06:16:56,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-12 06:16:56,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:16:56,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:16:56,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:16:56,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:16:56,128 INFO L85 PathProgramCache]: Analyzing trace with hash -603386107, now seen corresponding path program 1 times [2022-07-12 06:16:56,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:16:56,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794999881] [2022-07-12 06:16:56,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:16:56,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:16:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:16:56,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:16:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:16:56,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:16:56,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:16:56,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794999881] [2022-07-12 06:16:56,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794999881] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:16:56,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:16:56,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:16:56,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160494924] [2022-07-12 06:16:56,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:16:56,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:16:56,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:16:56,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:16:56,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:16:56,388 INFO L87 Difference]: Start difference. First operand has 72 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 60 states have internal predecessors, (75), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:16:56,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:16:56,417 INFO L93 Difference]: Finished difference Result 136 states and 185 transitions. [2022-07-12 06:16:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:16:56,418 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-12 06:16:56,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:16:56,425 INFO L225 Difference]: With dead ends: 136 [2022-07-12 06:16:56,425 INFO L226 Difference]: Without dead ends: 63 [2022-07-12 06:16:56,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:16:56,431 INFO L413 NwaCegarLoop]: 89 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, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:16:56,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:16:56,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-07-12 06:16:56,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-07-12 06:16:56,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.297872340425532) internal successors, (61), 52 states have internal predecessors, (61), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-12 06:16:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2022-07-12 06:16:56,468 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 23 [2022-07-12 06:16:56,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:16:56,468 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2022-07-12 06:16:56,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:16:56,469 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-07-12 06:16:56,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-12 06:16:56,470 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:16:56,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:16:56,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 06:16:56,471 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:16:56,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:16:56,471 INFO L85 PathProgramCache]: Analyzing trace with hash -392395766, now seen corresponding path program 1 times [2022-07-12 06:16:56,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:16:56,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123841775] [2022-07-12 06:16:56,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:16:56,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:16:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:16:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:16:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:16:56,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:16:56,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:16:56,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123841775] [2022-07-12 06:16:56,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123841775] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:16:56,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:16:56,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:16:56,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010446727] [2022-07-12 06:16:56,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:16:56,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:16:56,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:16:56,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:16:56,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:16:56,522 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:16:56,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:16:56,532 INFO L93 Difference]: Finished difference Result 92 states and 116 transitions. [2022-07-12 06:16:56,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:16:56,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-07-12 06:16:56,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:16:56,535 INFO L225 Difference]: With dead ends: 92 [2022-07-12 06:16:56,535 INFO L226 Difference]: Without dead ends: 54 [2022-07-12 06:16:56,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:16:56,538 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 12 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:16:56,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 118 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:16:56,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-07-12 06:16:56,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-07-12 06:16:56,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 46 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-12 06:16:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2022-07-12 06:16:56,548 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 24 [2022-07-12 06:16:56,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:16:56,551 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2022-07-12 06:16:56,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:16:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2022-07-12 06:16:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-12 06:16:56,554 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:16:56,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:16:56,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 06:16:56,555 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:16:56,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:16:56,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1226018805, now seen corresponding path program 1 times [2022-07-12 06:16:56,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:16:56,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781287082] [2022-07-12 06:16:56,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:16:56,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:16:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:16:56,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:16:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:16:56,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:16:56,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:16:56,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781287082] [2022-07-12 06:16:56,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781287082] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:16:56,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:16:56,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:16:56,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179199154] [2022-07-12 06:16:56,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:16:56,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:16:56,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:16:56,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:16:56,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:16:56,626 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:16:56,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:16:56,635 INFO L93 Difference]: Finished difference Result 101 states and 130 transitions. [2022-07-12 06:16:56,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:16:56,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-07-12 06:16:56,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:16:56,637 INFO L225 Difference]: With dead ends: 101 [2022-07-12 06:16:56,637 INFO L226 Difference]: Without dead ends: 54 [2022-07-12 06:16:56,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:16:56,638 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:16:56,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:16:56,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-07-12 06:16:56,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-07-12 06:16:56,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 46 states have internal predecessors, (53), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-12 06:16:56,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2022-07-12 06:16:56,654 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 28 [2022-07-12 06:16:56,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:16:56,654 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2022-07-12 06:16:56,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:16:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-07-12 06:16:56,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-12 06:16:56,655 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:16:56,655 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] [2022-07-12 06:16:56,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 06:16:56,656 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:16:56,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:16:56,656 INFO L85 PathProgramCache]: Analyzing trace with hash 793789156, now seen corresponding path program 1 times [2022-07-12 06:16:56,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:16:56,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366027332] [2022-07-12 06:16:56,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:16:56,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:16:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:16:56,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:16:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:16:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:16:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:16:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:16:56,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:16:56,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366027332] [2022-07-12 06:16:56,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366027332] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:16:56,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:16:56,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:16:56,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318053644] [2022-07-12 06:16:56,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:16:56,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:16:56,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:16:56,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:16:56,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:16:56,744 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:16:56,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:16:56,831 INFO L93 Difference]: Finished difference Result 147 states and 189 transitions. [2022-07-12 06:16:56,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 06:16:56,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-07-12 06:16:56,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:16:56,833 INFO L225 Difference]: With dead ends: 147 [2022-07-12 06:16:56,833 INFO L226 Difference]: Without dead ends: 100 [2022-07-12 06:16:56,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:16:56,834 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 39 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:16:56,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 316 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:16:56,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-07-12 06:16:56,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2022-07-12 06:16:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 81 states have internal predecessors, (93), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (15), 12 states have call predecessors, (15), 14 states have call successors, (15) [2022-07-12 06:16:56,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 122 transitions. [2022-07-12 06:16:56,848 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 122 transitions. Word has length 33 [2022-07-12 06:16:56,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:16:56,848 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 122 transitions. [2022-07-12 06:16:56,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:16:56,848 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2022-07-12 06:16:56,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-12 06:16:56,849 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:16:56,849 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:16:56,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 06:16:56,850 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:16:56,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:16:56,850 INFO L85 PathProgramCache]: Analyzing trace with hash -2116751808, now seen corresponding path program 1 times [2022-07-12 06:16:56,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:16:56,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867902878] [2022-07-12 06:16:56,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:16:56,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:16:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:16:56,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 06:16:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:16:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:16:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:16:56,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 06:16:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:16:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:16:56,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:16:56,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867902878] [2022-07-12 06:16:56,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867902878] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:16:56,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:16:56,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:16:56,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132364486] [2022-07-12 06:16:56,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:16:56,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:16:56,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:16:56,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:16:56,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:16:56,931 INFO L87 Difference]: Start difference. First operand 97 states and 122 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-12 06:16:57,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:16:57,036 INFO L93 Difference]: Finished difference Result 172 states and 217 transitions. [2022-07-12 06:16:57,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 06:16:57,036 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2022-07-12 06:16:57,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:16:57,037 INFO L225 Difference]: With dead ends: 172 [2022-07-12 06:16:57,037 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 06:16:57,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:16:57,039 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 45 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:16:57,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 115 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:16:57,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 06:16:57,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 06:16:57,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 06:16:57,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 06:16:57,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2022-07-12 06:16:57,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:16:57,040 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 06:16:57,041 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-12 06:16:57,041 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 06:16:57,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 06:16:57,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 06:16:57,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 06:16:57,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 06:16:57,449 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 169 175) no Hoare annotation was computed. [2022-07-12 06:16:57,449 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 169 175) the Hoare annotation is: true [2022-07-12 06:16:57,449 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-12 06:16:57,450 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-07-12 06:16:57,450 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-07-12 06:16:57,450 INFO L902 garLoopResultBuilder]: At program point L768(lines 743 772) the Hoare annotation is: true [2022-07-12 06:16:57,450 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 743 772) no Hoare annotation was computed. [2022-07-12 06:16:57,450 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 743 772) the Hoare annotation is: true [2022-07-12 06:16:57,450 INFO L899 garLoopResultBuilder]: For program point L764(line 764) no Hoare annotation was computed. [2022-07-12 06:16:57,450 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 761) no Hoare annotation was computed. [2022-07-12 06:16:57,450 INFO L902 garLoopResultBuilder]: At program point L757-1(lines 757 761) the Hoare annotation is: true [2022-07-12 06:16:57,451 INFO L899 garLoopResultBuilder]: For program point L754(line 754) no Hoare annotation was computed. [2022-07-12 06:16:57,451 INFO L902 garLoopResultBuilder]: At program point L753-2(lines 753 767) the Hoare annotation is: true [2022-07-12 06:16:57,451 INFO L902 garLoopResultBuilder]: At program point L749(line 749) the Hoare annotation is: true [2022-07-12 06:16:57,451 INFO L899 garLoopResultBuilder]: For program point L749-1(line 749) no Hoare annotation was computed. [2022-07-12 06:16:57,451 INFO L895 garLoopResultBuilder]: At program point L225(lines 218 228) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:16:57,451 INFO L899 garLoopResultBuilder]: For program point L279(line 279) no Hoare annotation was computed. [2022-07-12 06:16:57,452 INFO L895 garLoopResultBuilder]: At program point L234(lines 229 237) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-07-12 06:16:57,452 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 145 168) no Hoare annotation was computed. [2022-07-12 06:16:57,452 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 156 162) no Hoare annotation was computed. [2022-07-12 06:16:57,453 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 193) no Hoare annotation was computed. [2022-07-12 06:16:57,453 INFO L895 garLoopResultBuilder]: At program point L280(lines 275 282) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:16:57,453 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 198) no Hoare annotation was computed. [2022-07-12 06:16:57,453 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-12 06:16:57,453 INFO L899 garLoopResultBuilder]: For program point L722-1(line 722) no Hoare annotation was computed. [2022-07-12 06:16:57,453 INFO L895 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:16:57,453 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-07-12 06:16:57,453 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-07-12 06:16:57,454 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:16:57,454 INFO L895 garLoopResultBuilder]: At program point L215(lines 210 217) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:16:57,454 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 148 167) no Hoare annotation was computed. [2022-07-12 06:16:57,454 INFO L895 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:16:57,454 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 734) no Hoare annotation was computed. [2022-07-12 06:16:57,454 INFO L899 garLoopResultBuilder]: For program point L724(lines 724 737) no Hoare annotation was computed. [2022-07-12 06:16:57,455 INFO L895 garLoopResultBuilder]: At program point L724-1(lines 716 740) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~5#1| 0)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-07-12 06:16:57,455 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 145 168) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-12 06:16:57,456 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 145 168) no Hoare annotation was computed. [2022-07-12 06:16:57,456 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 279) no Hoare annotation was computed. [2022-07-12 06:16:57,456 INFO L895 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-12 06:16:57,456 INFO L895 garLoopResultBuilder]: At program point L196-1(lines 177 201) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-12 06:16:57,456 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 94 102) the Hoare annotation is: true [2022-07-12 06:16:57,456 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2022-07-12 06:16:57,456 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2022-07-12 06:16:57,456 INFO L895 garLoopResultBuilder]: At program point L341(lines 294 342) the Hoare annotation is: false [2022-07-12 06:16:57,456 INFO L899 garLoopResultBuilder]: For program point L296(lines 295 340) no Hoare annotation was computed. [2022-07-12 06:16:57,456 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-07-12 06:16:57,457 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 06:16:57,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 06:16:57,457 INFO L895 garLoopResultBuilder]: At program point L317(line 317) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-12 06:16:57,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 06:16:57,457 INFO L895 garLoopResultBuilder]: At program point L338(lines 295 340) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-12 06:16:57,457 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 311) no Hoare annotation was computed. [2022-07-12 06:16:57,457 INFO L899 garLoopResultBuilder]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2022-07-12 06:16:57,457 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 301) no Hoare annotation was computed. [2022-07-12 06:16:57,457 INFO L895 garLoopResultBuilder]: At program point L871(lines 866 874) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-12 06:16:57,457 INFO L895 garLoopResultBuilder]: At program point L801(lines 797 803) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-12 06:16:57,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 06:16:57,457 INFO L895 garLoopResultBuilder]: At program point L863(lines 859 865) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-12 06:16:57,458 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2022-07-12 06:16:57,458 INFO L895 garLoopResultBuilder]: At program point L331-2(lines 325 336) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-12 06:16:57,458 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 834) no Hoare annotation was computed. [2022-07-12 06:16:57,458 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 321) no Hoare annotation was computed. [2022-07-12 06:16:57,458 INFO L899 garLoopResultBuilder]: For program point L315-1(lines 315 321) no Hoare annotation was computed. [2022-07-12 06:16:57,458 INFO L899 garLoopResultBuilder]: For program point L827-2(lines 827 834) no Hoare annotation was computed. [2022-07-12 06:16:57,458 INFO L895 garLoopResultBuilder]: At program point L856(lines 852 858) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-12 06:16:57,458 INFO L902 garLoopResultBuilder]: At program point L344(lines 285 348) the Hoare annotation is: true [2022-07-12 06:16:57,458 INFO L895 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-12 06:16:57,458 INFO L902 garLoopResultBuilder]: At program point L811(lines 804 813) the Hoare annotation is: true [2022-07-12 06:16:57,458 INFO L902 garLoopResultBuilder]: At program point L836(lines 817 839) the Hoare annotation is: true [2022-07-12 06:16:57,458 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-07-12 06:16:57,458 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-07-12 06:16:57,459 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-07-12 06:16:57,461 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-12 06:16:57,463 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 06:16:57,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:16:57 BoogieIcfgContainer [2022-07-12 06:16:57,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 06:16:57,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 06:16:57,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 06:16:57,496 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 06:16:57,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:16:56" (3/4) ... [2022-07-12 06:16:57,498 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 06:16:57,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-12 06:16:57,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-12 06:16:57,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-12 06:16:57,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-12 06:16:57,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-12 06:16:57,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-12 06:16:57,520 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-07-12 06:16:57,520 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-12 06:16:57,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 06:16:57,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 06:16:57,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 06:16:57,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:16:57,522 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:16:57,555 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-12 06:16:57,556 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-07-12 06:16:57,556 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2022-07-12 06:16:57,560 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-12 06:16:57,561 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-12 06:16:57,561 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-12 06:16:57,562 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-12 06:16:57,598 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 06:16:57,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 06:16:57,599 INFO L158 Benchmark]: Toolchain (without parser) took 2338.62ms. Allocated memory was 104.9MB in the beginning and 148.9MB in the end (delta: 44.0MB). Free memory was 74.0MB in the beginning and 93.0MB in the end (delta: -19.0MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-07-12 06:16:57,599 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 41.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:16:57,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.49ms. Allocated memory was 104.9MB in the beginning and 148.9MB in the end (delta: 44.0MB). Free memory was 74.0MB in the beginning and 116.0MB in the end (delta: -42.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 06:16:57,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.56ms. Allocated memory is still 148.9MB. Free memory was 116.0MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:16:57,600 INFO L158 Benchmark]: Boogie Preprocessor took 27.07ms. Allocated memory is still 148.9MB. Free memory was 113.8MB in the beginning and 112.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:16:57,600 INFO L158 Benchmark]: RCFGBuilder took 360.34ms. Allocated memory is still 148.9MB. Free memory was 112.4MB in the beginning and 97.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-12 06:16:57,600 INFO L158 Benchmark]: TraceAbstraction took 1475.00ms. Allocated memory is still 148.9MB. Free memory was 97.2MB in the beginning and 98.3MB in the end (delta: -1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:16:57,600 INFO L158 Benchmark]: Witness Printer took 102.86ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 93.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 06:16:57,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 41.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.49ms. Allocated memory was 104.9MB in the beginning and 148.9MB in the end (delta: 44.0MB). Free memory was 74.0MB in the beginning and 116.0MB in the end (delta: -42.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.56ms. Allocated memory is still 148.9MB. Free memory was 116.0MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.07ms. Allocated memory is still 148.9MB. Free memory was 113.8MB in the beginning and 112.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.34ms. Allocated memory is still 148.9MB. Free memory was 112.4MB in the beginning and 97.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1475.00ms. Allocated memory is still 148.9MB. Free memory was 97.2MB in the beginning and 98.3MB in the end (delta: -1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 102.86ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 93.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 279]: 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 7 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 146 mSDsluCounter, 704 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 367 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 337 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 33 LocationsWithAnnotation, 196 PreInvPairs, 218 NumberOfFragments, 265 HoareAnnotationTreeSize, 196 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 433 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 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: 295]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-07-12 06:16:57,645 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