./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product17.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_spec2_product17.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 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:18:11,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:18:11,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:18:11,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:18:11,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:18:11,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:18:11,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:18:11,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:18:11,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:18:11,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:18:11,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:18:11,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:18:11,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:18:11,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:18:11,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:18:11,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:18:11,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:18:11,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:18:11,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:18:11,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:18:11,164 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:18:11,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:18:11,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:18:11,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:18:11,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:18:11,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:18:11,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:18:11,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:18:11,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:18:11,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:18:11,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:18:11,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:18:11,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:18:11,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:18:11,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:18:11,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:18:11,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:18:11,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:18:11,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:18:11,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:18:11,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:18:11,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:18:11,184 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:18:11,228 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:18:11,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:18:11,229 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:18:11,229 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:18:11,229 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:18:11,230 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:18:11,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:18:11,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:18:11,230 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:18:11,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:18:11,231 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:18:11,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:18:11,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:18:11,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:18:11,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:18:11,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:18:11,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:18:11,232 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:18:11,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:18:11,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:18:11,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:18:11,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:18:11,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:18:11,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:18:11,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:18:11,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:18:11,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:18:11,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:18:11,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:18:11,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:18:11,234 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:18:11,235 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:18:11,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:18:11,235 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f [2022-07-12 06:18:11,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:18:11,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:18:11,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:18:11,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:18:11,679 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:18:11,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2022-07-12 06:18:11,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c320f2d92/d4c314037ed94cdf8b3e32cd8bf3c45a/FLAGd78edf311 [2022-07-12 06:18:12,473 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:18:12,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2022-07-12 06:18:12,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c320f2d92/d4c314037ed94cdf8b3e32cd8bf3c45a/FLAGd78edf311 [2022-07-12 06:18:12,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c320f2d92/d4c314037ed94cdf8b3e32cd8bf3c45a [2022-07-12 06:18:12,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:18:12,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:18:12,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:18:12,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:18:12,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:18:12,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:18:12" (1/1) ... [2022-07-12 06:18:12,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b6151a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:12, skipping insertion in model container [2022-07-12 06:18:12,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:18:12" (1/1) ... [2022-07-12 06:18:12,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:18:12,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:18:13,132 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_product17.cil.c[6402,6415] [2022-07-12 06:18:13,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:18:13,222 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:18:13,271 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_product17.cil.c[6402,6415] [2022-07-12 06:18:13,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:18:13,360 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:18:13,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:13 WrapperNode [2022-07-12 06:18:13,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:18:13,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:18:13,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:18:13,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:18:13,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:13" (1/1) ... [2022-07-12 06:18:13,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:13" (1/1) ... [2022-07-12 06:18:13,412 INFO L137 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 221 [2022-07-12 06:18:13,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:18:13,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:18:13,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:18:13,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:18:13,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:13" (1/1) ... [2022-07-12 06:18:13,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:13" (1/1) ... [2022-07-12 06:18:13,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:13" (1/1) ... [2022-07-12 06:18:13,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:13" (1/1) ... [2022-07-12 06:18:13,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:13" (1/1) ... [2022-07-12 06:18:13,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:13" (1/1) ... [2022-07-12 06:18:13,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:13" (1/1) ... [2022-07-12 06:18:13,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:18:13,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:18:13,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:18:13,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:18:13,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:13" (1/1) ... [2022-07-12 06:18:13,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:18:13,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:18:13,476 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 06:18:13,485 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 06:18:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:18:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-12 06:18:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-12 06:18:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-12 06:18:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-12 06:18:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-12 06:18:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-12 06:18:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-12 06:18:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-12 06:18:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-12 06:18:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-12 06:18:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:18:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-12 06:18:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-12 06:18:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:18:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:18:13,597 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:18:13,599 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:18:14,061 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:18:14,081 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:18:14,081 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 06:18:14,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:14 BoogieIcfgContainer [2022-07-12 06:18:14,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:18:14,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:18:14,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:18:14,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:18:14,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:18:12" (1/3) ... [2022-07-12 06:18:14,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f83d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:18:14, skipping insertion in model container [2022-07-12 06:18:14,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:18:13" (2/3) ... [2022-07-12 06:18:14,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f83d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:18:14, skipping insertion in model container [2022-07-12 06:18:14,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:14" (3/3) ... [2022-07-12 06:18:14,099 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2022-07-12 06:18:14,133 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:18:14,147 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:18:14,224 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:18:14,252 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@13404165, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6cc1c3bb [2022-07-12 06:18:14,253 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:18:14,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 58 states have (on average 1.396551724137931) internal successors, (81), 64 states have internal predecessors, (81), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-12 06:18:14,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-12 06:18:14,291 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:14,292 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] [2022-07-12 06:18:14,293 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:14,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:14,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1949945322, now seen corresponding path program 1 times [2022-07-12 06:18:14,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:14,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150501386] [2022-07-12 06:18:14,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:14,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:18:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:14,656 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 06:18:14,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:14,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150501386] [2022-07-12 06:18:14,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150501386] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:14,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:14,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:18:14,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973452898] [2022-07-12 06:18:14,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:14,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:18:14,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:14,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:18:14,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:18:14,733 INFO L87 Difference]: Start difference. First operand has 75 states, 58 states have (on average 1.396551724137931) internal successors, (81), 64 states have internal predecessors, (81), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) 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) [2022-07-12 06:18:14,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:14,775 INFO L93 Difference]: Finished difference Result 141 states and 192 transitions. [2022-07-12 06:18:14,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:18:14,778 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 [2022-07-12 06:18:14,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:14,807 INFO L225 Difference]: With dead ends: 141 [2022-07-12 06:18:14,807 INFO L226 Difference]: Without dead ends: 66 [2022-07-12 06:18:14,810 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 06:18:14,812 INFO L413 NwaCegarLoop]: 93 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, 93 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 06:18:14,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:14,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-07-12 06:18:14,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-07-12 06:18:14,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 56 states have internal predecessors, (67), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-07-12 06:18:14,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2022-07-12 06:18:14,847 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 25 [2022-07-12 06:18:14,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:14,849 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2022-07-12 06:18:14,850 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) [2022-07-12 06:18:14,850 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2022-07-12 06:18:14,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-12 06:18:14,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:14,851 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] [2022-07-12 06:18:14,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 06:18:14,852 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:14,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:14,852 INFO L85 PathProgramCache]: Analyzing trace with hash -2008672046, now seen corresponding path program 1 times [2022-07-12 06:18:14,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:14,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977429724] [2022-07-12 06:18:14,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:14,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:14,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 06:18:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:14,989 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 06:18:14,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:14,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977429724] [2022-07-12 06:18:14,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977429724] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:14,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:14,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:18:14,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594522476] [2022-07-12 06:18:14,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:14,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:18:14,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:14,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:18:14,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:18:14,999 INFO L87 Difference]: Start difference. First operand 66 states and 84 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) [2022-07-12 06:18:15,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:15,015 INFO L93 Difference]: Finished difference Result 97 states and 123 transitions. [2022-07-12 06:18:15,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:18:15,016 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 [2022-07-12 06:18:15,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:15,017 INFO L225 Difference]: With dead ends: 97 [2022-07-12 06:18:15,017 INFO L226 Difference]: Without dead ends: 57 [2022-07-12 06:18:15,017 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 06:18:15,018 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 12 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 126 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 06:18:15,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:18:15,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-07-12 06:18:15,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-07-12 06:18:15,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 50 states have internal predecessors, (60), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-12 06:18:15,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2022-07-12 06:18:15,026 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 26 [2022-07-12 06:18:15,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:15,026 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2022-07-12 06:18:15,026 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) [2022-07-12 06:18:15,027 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-07-12 06:18:15,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-12 06:18:15,030 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:15,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:15,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 06:18:15,031 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:15,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:15,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1832875008, now seen corresponding path program 1 times [2022-07-12 06:18:15,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:15,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606896155] [2022-07-12 06:18:15,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:15,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:18:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:15,139 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 06:18:15,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:15,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606896155] [2022-07-12 06:18:15,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606896155] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:15,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:15,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:18:15,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948537681] [2022-07-12 06:18:15,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:15,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:18:15,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:15,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:18:15,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:18:15,144 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:15,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:15,343 INFO L93 Difference]: Finished difference Result 106 states and 137 transitions. [2022-07-12 06:18:15,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 06:18:15,344 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-12 06:18:15,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:15,346 INFO L225 Difference]: With dead ends: 106 [2022-07-12 06:18:15,347 INFO L226 Difference]: Without dead ends: 57 [2022-07-12 06:18:15,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 06:18:15,350 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 100 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:15,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 143 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:18:15,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-07-12 06:18:15,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-07-12 06:18:15,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 50 states have internal predecessors, (59), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-12 06:18:15,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2022-07-12 06:18:15,374 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 30 [2022-07-12 06:18:15,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:15,374 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2022-07-12 06:18:15,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:18:15,375 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-07-12 06:18:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-12 06:18:15,376 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:15,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:15,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 06:18:15,377 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:15,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:15,378 INFO L85 PathProgramCache]: Analyzing trace with hash 634799864, now seen corresponding path program 1 times [2022-07-12 06:18:15,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:15,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259062954] [2022-07-12 06:18:15,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:15,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 06:18:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:15,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:18:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:15,505 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 06:18:15,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:15,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259062954] [2022-07-12 06:18:15,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259062954] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:15,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:15,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:18:15,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888053929] [2022-07-12 06:18:15,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:15,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:18:15,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:15,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:18:15,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:18:15,520 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 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 06:18:15,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:15,656 INFO L93 Difference]: Finished difference Result 153 states and 197 transitions. [2022-07-12 06:18:15,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 06:18:15,656 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 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 35 [2022-07-12 06:18:15,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:15,668 INFO L225 Difference]: With dead ends: 153 [2022-07-12 06:18:15,668 INFO L226 Difference]: Without dead ends: 104 [2022-07-12 06:18:15,669 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 06:18:15,670 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 41 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:18:15,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 335 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:18:15,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-07-12 06:18:15,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2022-07-12 06:18:15,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 78 states have (on average 1.3076923076923077) internal successors, (102), 87 states have internal predecessors, (102), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (13), 10 states have call predecessors, (13), 12 states have call successors, (13) [2022-07-12 06:18:15,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 127 transitions. [2022-07-12 06:18:15,688 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 127 transitions. Word has length 35 [2022-07-12 06:18:15,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:15,689 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 127 transitions. [2022-07-12 06:18:15,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 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 06:18:15,703 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 127 transitions. [2022-07-12 06:18:15,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-07-12 06:18:15,704 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:18:15,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:18:15,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 06:18:15,705 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:18:15,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:18:15,705 INFO L85 PathProgramCache]: Analyzing trace with hash -638420676, now seen corresponding path program 1 times [2022-07-12 06:18:15,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:18:15,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586181543] [2022-07-12 06:18:15,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:18:15,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:18:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:15,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:18:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:15,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:18:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:15,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 06:18:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:18:15,878 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 06:18:15,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:18:15,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586181543] [2022-07-12 06:18:15,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586181543] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:18:15,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:18:15,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:18:15,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320731040] [2022-07-12 06:18:15,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:18:15,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:18:15,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:18:15,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:18:15,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:18:15,908 INFO L87 Difference]: Start difference. First operand 101 states and 127 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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 06:18:16,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:18:16,070 INFO L93 Difference]: Finished difference Result 176 states and 222 transitions. [2022-07-12 06:18:16,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 06:18:16,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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 39 [2022-07-12 06:18:16,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:18:16,071 INFO L225 Difference]: With dead ends: 176 [2022-07-12 06:18:16,071 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 06:18:16,075 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 06:18:16,082 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 45 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 119 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 06:18:16,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 119 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:18:16,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 06:18:16,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 06:18:16,085 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 06:18:16,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 06:18:16,085 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-07-12 06:18:16,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:18:16,086 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 06:18:16,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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 06:18:16,087 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 06:18:16,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 06:18:16,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 06:18:16,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 06:18:16,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 06:18:16,641 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 245 251) no Hoare annotation was computed. [2022-07-12 06:18:16,641 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 245 251) the Hoare annotation is: true [2022-07-12 06:18:16,642 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-12 06:18:16,642 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-07-12 06:18:16,642 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-07-12 06:18:16,642 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 823 852) no Hoare annotation was computed. [2022-07-12 06:18:16,643 INFO L902 garLoopResultBuilder]: At program point L833-2(lines 833 847) the Hoare annotation is: true [2022-07-12 06:18:16,643 INFO L902 garLoopResultBuilder]: At program point L829(line 829) the Hoare annotation is: true [2022-07-12 06:18:16,643 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 823 852) the Hoare annotation is: true [2022-07-12 06:18:16,643 INFO L899 garLoopResultBuilder]: For program point L829-1(line 829) no Hoare annotation was computed. [2022-07-12 06:18:16,643 INFO L902 garLoopResultBuilder]: At program point L848(lines 823 852) the Hoare annotation is: true [2022-07-12 06:18:16,643 INFO L899 garLoopResultBuilder]: For program point L844(line 844) no Hoare annotation was computed. [2022-07-12 06:18:16,643 INFO L899 garLoopResultBuilder]: For program point L837(lines 837 841) no Hoare annotation was computed. [2022-07-12 06:18:16,644 INFO L902 garLoopResultBuilder]: At program point L837-1(lines 837 841) the Hoare annotation is: true [2022-07-12 06:18:16,645 INFO L899 garLoopResultBuilder]: For program point L834(line 834) no Hoare annotation was computed. [2022-07-12 06:18:16,645 INFO L899 garLoopResultBuilder]: For program point L225-1(lines 224 243) no Hoare annotation was computed. [2022-07-12 06:18:16,645 INFO L895 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:18:16,645 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 221 244) no Hoare annotation was computed. [2022-07-12 06:18:16,646 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 814) no Hoare annotation was computed. [2022-07-12 06:18:16,646 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 817) no Hoare annotation was computed. [2022-07-12 06:18:16,646 INFO L895 garLoopResultBuilder]: At program point L800-1(lines 792 820) 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__Specification2_spec__2_~tmp~6#1| 0)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-07-12 06:18:16,646 INFO L899 garLoopResultBuilder]: For program point L412(line 412) no Hoare annotation was computed. [2022-07-12 06:18:16,646 INFO L895 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-12 06:18:16,646 INFO L895 garLoopResultBuilder]: At program point L272-1(lines 253 277) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-12 06:18:16,646 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2022-07-12 06:18:16,646 INFO L899 garLoopResultBuilder]: For program point L359-2(lines 359 363) no Hoare annotation was computed. [2022-07-12 06:18:16,647 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 811) no Hoare annotation was computed. [2022-07-12 06:18:16,647 INFO L895 garLoopResultBuilder]: At program point L413(lines 408 415) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:18:16,647 INFO L895 garLoopResultBuilder]: At program point L310(lines 305 313) 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 06:18:16,647 INFO L895 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:18:16,648 INFO L899 garLoopResultBuilder]: For program point L232-1(lines 232 238) no Hoare annotation was computed. [2022-07-12 06:18:16,648 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2022-07-12 06:18:16,648 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 274) no Hoare annotation was computed. [2022-07-12 06:18:16,648 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-07-12 06:18:16,648 INFO L895 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-12 06:18:16,648 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:18:16,648 INFO L899 garLoopResultBuilder]: For program point L798-1(line 798) no Hoare annotation was computed. [2022-07-12 06:18:16,648 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 221 244) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-12 06:18:16,649 INFO L895 garLoopResultBuilder]: At program point L365(lines 350 368) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:18:16,649 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 221 244) no Hoare annotation was computed. [2022-07-12 06:18:16,649 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 412) no Hoare annotation was computed. [2022-07-12 06:18:16,649 INFO L895 garLoopResultBuilder]: At program point L291(lines 286 293) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-12 06:18:16,649 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2022-07-12 06:18:16,650 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2022-07-12 06:18:16,651 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2022-07-12 06:18:16,652 INFO L899 garLoopResultBuilder]: For program point L159(lines 158 203) no Hoare annotation was computed. [2022-07-12 06:18:16,653 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 199) no Hoare annotation was computed. [2022-07-12 06:18:16,653 INFO L895 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-07-12 06:18:16,653 INFO L895 garLoopResultBuilder]: At program point L403(lines 398 406) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-07-12 06:18:16,653 INFO L895 garLoopResultBuilder]: At program point L395(lines 391 397) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-12 06:18:16,653 INFO L895 garLoopResultBuilder]: At program point L201(lines 158 203) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-07-12 06:18:16,654 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 174) no Hoare annotation was computed. [2022-07-12 06:18:16,654 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2022-07-12 06:18:16,654 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 164) no Hoare annotation was computed. [2022-07-12 06:18:16,654 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 06:18:16,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 06:18:16,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 06:18:16,654 INFO L895 garLoopResultBuilder]: At program point L388(lines 384 390) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-12 06:18:16,654 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 198) no Hoare annotation was computed. [2022-07-12 06:18:16,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 06:18:16,655 INFO L895 garLoopResultBuilder]: At program point L194-2(lines 188 199) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-07-12 06:18:16,655 INFO L902 garLoopResultBuilder]: At program point L892(lines 884 894) the Hoare annotation is: true [2022-07-12 06:18:16,655 INFO L895 garLoopResultBuilder]: At program point L789(lines 784 791) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-07-12 06:18:16,655 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 184) no Hoare annotation was computed. [2022-07-12 06:18:16,655 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 178 184) no Hoare annotation was computed. [2022-07-12 06:18:16,655 INFO L902 garLoopResultBuilder]: At program point L207(lines 148 211) the Hoare annotation is: true [2022-07-12 06:18:16,655 INFO L895 garLoopResultBuilder]: At program point L170(line 170) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-07-12 06:18:16,656 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 912) no Hoare annotation was computed. [2022-07-12 06:18:16,656 INFO L899 garLoopResultBuilder]: For program point L905-2(lines 905 912) no Hoare annotation was computed. [2022-07-12 06:18:16,656 INFO L902 garLoopResultBuilder]: At program point L914(lines 895 917) the Hoare annotation is: true [2022-07-12 06:18:16,656 INFO L895 garLoopResultBuilder]: At program point L881(lines 877 883) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-07-12 06:18:16,657 INFO L895 garLoopResultBuilder]: At program point L204(lines 157 205) the Hoare annotation is: false [2022-07-12 06:18:16,657 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-07-12 06:18:16,657 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-07-12 06:18:16,657 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: true [2022-07-12 06:18:16,662 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-12 06:18:16,663 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 06:18:16,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:18:16 BoogieIcfgContainer [2022-07-12 06:18:16,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 06:18:16,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 06:18:16,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 06:18:16,705 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 06:18:16,705 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:18:14" (3/4) ... [2022-07-12 06:18:16,707 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 06:18:16,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-12 06:18:16,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-12 06:18:16,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-12 06:18:16,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-12 06:18:16,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-12 06:18:16,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-12 06:18:16,731 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2022-07-12 06:18:16,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-12 06:18:16,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 06:18:16,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 06:18:16,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 06:18:16,733 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:18:16,733 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:18:16,766 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-07-12 06:18:16,777 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-12 06:18:16,777 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-12 06:18:16,778 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive [2022-07-12 06:18:16,779 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-12 06:18:16,780 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-07-12 06:18:16,781 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 06:18:16,785 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 06:18:16,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-12 06:18:16,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-12 06:18:16,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-12 06:18:16,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-12 06:18:16,816 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 06:18:16,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 06:18:16,817 INFO L158 Benchmark]: Toolchain (without parser) took 4044.21ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 47.4MB in the beginning and 70.2MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:18:16,817 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:18:16,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.59ms. Allocated memory is still 88.1MB. Free memory was 47.2MB in the beginning and 54.3MB in the end (delta: -7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 06:18:16,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.98ms. Allocated memory is still 88.1MB. Free memory was 54.3MB in the beginning and 52.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:18:16,818 INFO L158 Benchmark]: Boogie Preprocessor took 32.77ms. Allocated memory is still 88.1MB. Free memory was 52.0MB in the beginning and 50.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:18:16,818 INFO L158 Benchmark]: RCFGBuilder took 636.96ms. Allocated memory is still 88.1MB. Free memory was 50.4MB in the beginning and 35.0MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-12 06:18:16,818 INFO L158 Benchmark]: TraceAbstraction took 2619.67ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 34.3MB in the beginning and 75.7MB in the end (delta: -41.3MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2022-07-12 06:18:16,818 INFO L158 Benchmark]: Witness Printer took 111.71ms. Allocated memory is still 107.0MB. Free memory was 75.7MB in the beginning and 70.2MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 06:18:16,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.59ms. Allocated memory is still 88.1MB. Free memory was 47.2MB in the beginning and 54.3MB in the end (delta: -7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.98ms. Allocated memory is still 88.1MB. Free memory was 54.3MB in the beginning and 52.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.77ms. Allocated memory is still 88.1MB. Free memory was 52.0MB in the beginning and 50.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 636.96ms. Allocated memory is still 88.1MB. Free memory was 50.4MB in the beginning and 35.0MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2619.67ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 34.3MB in the beginning and 75.7MB in the end (delta: -41.3MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Witness Printer took 111.71ms. Allocated memory is still 107.0MB. Free memory was 75.7MB in the beginning and 70.2MB in the end (delta: 5.4MB). 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: 412]: 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, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 204 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 198 mSDsluCounter, 816 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 468 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 348 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 191 PreInvPairs, 213 NumberOfFragments, 314 HoareAnnotationTreeSize, 191 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 34 FomulaSimplificationsInter, 457 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 315 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: 877]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-12 06:18:16,903 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