./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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_spec4_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 10f05e3ec3dc20c87bc900eaaa9b2990393e6df5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:16:14,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:16:14,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:16:14,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:16:14,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:16:14,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:16:14,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:16:14,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:16:14,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:16:14,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:16:14,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:16:14,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:16:14,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:16:14,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:16:14,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:16:14,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:16:14,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:16:14,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:16:14,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:16:14,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:16:14,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:16:14,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:16:14,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:16:14,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:16:14,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:16:14,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:16:14,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:16:14,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:16:14,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:16:14,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:16:14,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:16:14,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:16:14,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:16:14,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:16:14,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:16:14,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:16:14,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:16:14,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:16:14,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:16:14,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:16:14,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:16:14,529 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:16:14,612 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:16:14,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:16:14,612 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:16:14,612 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:16:14,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:16:14,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:16:14,613 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:16:14,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:16:14,613 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:16:14,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:16:14,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:16:14,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:16:14,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:16:14,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:16:14,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:16:14,614 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:16:14,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:16:14,614 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:16:14,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:16:14,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:16:14,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:16:14,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:16:14,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:14,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:16:14,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:16:14,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:16:14,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:16:14,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:16:14,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:16:14,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:16:14,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10f05e3ec3dc20c87bc900eaaa9b2990393e6df5 [2021-08-29 16:16:14,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:16:14,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:16:14,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:16:14,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:16:14,899 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:16:14,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2021-08-29 16:16:14,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ae4287be/f580ebbf7da0487e83f0b05869d7af8b/FLAG0f9219f53 [2021-08-29 16:16:15,374 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:16:15,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2021-08-29 16:16:15,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ae4287be/f580ebbf7da0487e83f0b05869d7af8b/FLAG0f9219f53 [2021-08-29 16:16:15,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ae4287be/f580ebbf7da0487e83f0b05869d7af8b [2021-08-29 16:16:15,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:16:15,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:16:15,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:15,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:16:15,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:16:15,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:15" (1/1) ... [2021-08-29 16:16:15,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a144e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:15, skipping insertion in model container [2021-08-29 16:16:15,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:15" (1/1) ... [2021-08-29 16:16:15,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:16:15,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:16:15,558 WARN L228 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_spec4_product17.cil.c[2999,3012] [2021-08-29 16:16:15,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:15,701 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:16:15,712 WARN L228 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_spec4_product17.cil.c[2999,3012] [2021-08-29 16:16:15,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:15,749 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:16:15,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:15 WrapperNode [2021-08-29 16:16:15,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:15,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:15,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:16:15,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:16:15,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:15" (1/1) ... [2021-08-29 16:16:15,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:15" (1/1) ... [2021-08-29 16:16:15,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:15,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:16:15,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:16:15,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:16:15,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:15" (1/1) ... [2021-08-29 16:16:15,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:15" (1/1) ... [2021-08-29 16:16:15,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:15" (1/1) ... [2021-08-29 16:16:15,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:15" (1/1) ... [2021-08-29 16:16:15,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:15" (1/1) ... [2021-08-29 16:16:15,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:15" (1/1) ... [2021-08-29 16:16:15,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:15" (1/1) ... [2021-08-29 16:16:15,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:16:15,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:16:15,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:16:15,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:16:15,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:15" (1/1) ... [2021-08-29 16:16:15,870 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:15,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:15,884 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) [2021-08-29 16:16:15,900 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 [2021-08-29 16:16:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:16:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:16:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:16:15,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:16:16,267 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:16:16,267 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-08-29 16:16:16,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:16 BoogieIcfgContainer [2021-08-29 16:16:16,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:16:16,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:16:16,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:16:16,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:16:16,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:16:15" (1/3) ... [2021-08-29 16:16:16,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614258fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:16, skipping insertion in model container [2021-08-29 16:16:16,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:15" (2/3) ... [2021-08-29 16:16:16,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614258fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:16, skipping insertion in model container [2021-08-29 16:16:16,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:16" (3/3) ... [2021-08-29 16:16:16,274 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2021-08-29 16:16:16,277 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:16:16,277 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:16:16,307 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:16:16,312 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 16:16:16,312 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:16:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-08-29 16:16:16,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 16:16:16,326 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:16,326 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:16,327 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:16,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:16,330 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2021-08-29 16:16:16,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:16,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430732984] [2021-08-29 16:16:16,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:16,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:16,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:16,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:16,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430732984] [2021-08-29 16:16:16,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430732984] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:16,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:16,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:16,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195367427] [2021-08-29 16:16:16,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:16:16,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:16,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:16:16,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:16,552 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-08-29 16:16:16,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:16,683 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-08-29 16:16:16,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:16:16,685 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) Word has length 16 [2021-08-29 16:16:16,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:16,690 INFO L225 Difference]: With dead ends: 144 [2021-08-29 16:16:16,690 INFO L226 Difference]: Without dead ends: 71 [2021-08-29 16:16:16,692 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:16,695 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.64ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 112.13ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:16,695 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 104 Unknown, 0 Unchecked, 0.64ms Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 112.13ms Time] [2021-08-29 16:16:16,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-08-29 16:16:16,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-08-29 16:16:16,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 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) [2021-08-29 16:16:16,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-08-29 16:16:16,727 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-08-29 16:16:16,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:16,728 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-08-29 16:16:16,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-08-29 16:16:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-08-29 16:16:16,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 16:16:16,729 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:16,729 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:16,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:16:16,729 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:16,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:16,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2021-08-29 16:16:16,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:16,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104872620] [2021-08-29 16:16:16,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:16,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:16,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:16,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:16,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104872620] [2021-08-29 16:16:16,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104872620] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:16,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:16,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:16:16,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913692967] [2021-08-29 16:16:16,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:16,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:16,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:16,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:16,849 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-08-29 16:16:16,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:16,946 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-08-29 16:16:16,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:16,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) Word has length 17 [2021-08-29 16:16:16,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:16,947 INFO L225 Difference]: With dead ends: 71 [2021-08-29 16:16:16,947 INFO L226 Difference]: Without dead ends: 33 [2021-08-29 16:16:16,948 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.73ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:16,949 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 39 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.74ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:16,950 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 0 Invalid, 51 Unknown, 0 Unchecked, 0.48ms Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 88.74ms Time] [2021-08-29 16:16:16,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-08-29 16:16:16,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-08-29 16:16:16,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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) [2021-08-29 16:16:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-08-29 16:16:16,956 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-08-29 16:16:16,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:16,956 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-08-29 16:16:16,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-08-29 16:16:16,958 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-08-29 16:16:16,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-29 16:16:16,959 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:16,959 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:16,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:16:16,960 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:16,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:16,960 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2021-08-29 16:16:16,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:16,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724179173] [2021-08-29 16:16:16,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:16,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:17,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:17,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:17,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724179173] [2021-08-29 16:16:17,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724179173] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:17,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:17,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:17,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170443056] [2021-08-29 16:16:17,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:17,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:17,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:17,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:17,048 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2021-08-29 16:16:17,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:17,119 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-08-29 16:16:17,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:17,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) Word has length 22 [2021-08-29 16:16:17,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:17,120 INFO L225 Difference]: With dead ends: 60 [2021-08-29 16:16:17,120 INFO L226 Difference]: Without dead ends: 33 [2021-08-29 16:16:17,121 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.57ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:17,125 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.93ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.19ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:17,125 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 0 Invalid, 45 Unknown, 0 Unchecked, 0.93ms Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 56.19ms Time] [2021-08-29 16:16:17,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-08-29 16:16:17,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-08-29 16:16:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 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) [2021-08-29 16:16:17,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-08-29 16:16:17,128 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-08-29 16:16:17,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:17,128 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-08-29 16:16:17,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2021-08-29 16:16:17,128 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-08-29 16:16:17,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 16:16:17,129 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:17,129 INFO L513 BasicCegarLoop]: 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] [2021-08-29 16:16:17,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:16:17,129 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:17,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:17,129 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2021-08-29 16:16:17,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:17,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342803707] [2021-08-29 16:16:17,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:17,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:17,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:17,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:17,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342803707] [2021-08-29 16:16:17,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342803707] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:17,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:17,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:16:17,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553174198] [2021-08-29 16:16:17,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:17,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:17,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:17,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:17,201 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-08-29 16:16:17,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:17,423 INFO L93 Difference]: Finished difference Result 120 states and 176 transitions. [2021-08-29 16:16:17,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:16:17,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) Word has length 23 [2021-08-29 16:16:17,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:17,425 INFO L225 Difference]: With dead ends: 120 [2021-08-29 16:16:17,426 INFO L226 Difference]: Without dead ends: 93 [2021-08-29 16:16:17,426 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 20.03ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:16:17,431 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 124 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 142.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.26ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 180.10ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:17,432 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 0 Invalid, 239 Unknown, 0 Unchecked, 4.26ms Time], IncrementalHoareTripleChecker [6 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 180.10ms Time] [2021-08-29 16:16:17,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-08-29 16:16:17,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 56. [2021-08-29 16:16:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4) internal successors, (77), 55 states have internal predecessors, (77), 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) [2021-08-29 16:16:17,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2021-08-29 16:16:17,445 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 23 [2021-08-29 16:16:17,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:17,445 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2021-08-29 16:16:17,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-08-29 16:16:17,446 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2021-08-29 16:16:17,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 16:16:17,446 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:17,446 INFO L513 BasicCegarLoop]: 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] [2021-08-29 16:16:17,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:16:17,446 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:17,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:17,447 INFO L82 PathProgramCache]: Analyzing trace with hash 320721258, now seen corresponding path program 1 times [2021-08-29 16:16:17,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:17,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594368108] [2021-08-29 16:16:17,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:17,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:17,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:17,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594368108] [2021-08-29 16:16:17,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594368108] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:17,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:17,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:16:17,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390633936] [2021-08-29 16:16:17,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:17,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:17,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:17,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:17,509 INFO L87 Difference]: Start difference. First operand 56 states and 77 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-08-29 16:16:17,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:17,659 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2021-08-29 16:16:17,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:16:17,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) Word has length 24 [2021-08-29 16:16:17,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:17,660 INFO L225 Difference]: With dead ends: 124 [2021-08-29 16:16:17,660 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:16:17,660 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.32ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:16:17,661 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 79 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.22ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 131.02ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:17,661 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 0 Invalid, 141 Unknown, 0 Unchecked, 1.22ms Time], IncrementalHoareTripleChecker [2 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 131.02ms Time] [2021-08-29 16:16:17,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:16:17,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:16:17,661 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) [2021-08-29 16:16:17,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:16:17,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-08-29 16:16:17,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:17,662 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:16:17,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-08-29 16:16:17,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:16:17,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:16:17,663 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:16:17,664 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:16:17,664 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:16:17,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:16:17,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:16:17,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:17,797 INFO L858 garLoopResultBuilder]: For program point L448(lines 448 452) no Hoare annotation was computed. [2021-08-29 16:16:17,797 INFO L854 garLoopResultBuilder]: At program point L382(lines 377 385) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ~systemActive~0)) [2021-08-29 16:16:17,798 INFO L858 garLoopResultBuilder]: For program point L448-3(lines 448 452) no Hoare annotation was computed. [2021-08-29 16:16:17,798 INFO L854 garLoopResultBuilder]: At program point L382-1(lines 377 385) the Hoare annotation is: false [2021-08-29 16:16:17,798 INFO L854 garLoopResultBuilder]: At program point L382-2(lines 377 385) the Hoare annotation is: false [2021-08-29 16:16:17,798 INFO L858 garLoopResultBuilder]: For program point L448-6(lines 448 452) no Hoare annotation was computed. [2021-08-29 16:16:17,798 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2021-08-29 16:16:17,798 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 341) no Hoare annotation was computed. [2021-08-29 16:16:17,798 INFO L858 garLoopResultBuilder]: For program point L333-1(lines 333 341) no Hoare annotation was computed. [2021-08-29 16:16:17,798 INFO L858 garLoopResultBuilder]: For program point L333-2(lines 333 341) no Hoare annotation was computed. [2021-08-29 16:16:17,799 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:16:17,799 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-08-29 16:16:17,799 INFO L854 garLoopResultBuilder]: At program point L53-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:16:17,799 INFO L858 garLoopResultBuilder]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2021-08-29 16:16:17,799 INFO L854 garLoopResultBuilder]: At program point L53-3(lines 1 895) the Hoare annotation is: false [2021-08-29 16:16:17,799 INFO L858 garLoopResultBuilder]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2021-08-29 16:16:17,799 INFO L854 garLoopResultBuilder]: At program point L53-5(lines 1 895) the Hoare annotation is: false [2021-08-29 16:16:17,799 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-08-29 16:16:17,800 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 297 303) no Hoare annotation was computed. [2021-08-29 16:16:17,800 INFO L861 garLoopResultBuilder]: At program point L170(lines 151 173) the Hoare annotation is: true [2021-08-29 16:16:17,800 INFO L854 garLoopResultBuilder]: At program point L517(lines 512 520) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:16:17,800 INFO L854 garLoopResultBuilder]: At program point L517-1(lines 512 520) the Hoare annotation is: false [2021-08-29 16:16:17,800 INFO L854 garLoopResultBuilder]: At program point L517-2(lines 512 520) the Hoare annotation is: false [2021-08-29 16:16:17,800 INFO L854 garLoopResultBuilder]: At program point L304(lines 304 310) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:16:17,800 INFO L854 garLoopResultBuilder]: At program point L304-1(lines 304 310) the Hoare annotation is: false [2021-08-29 16:16:17,801 INFO L854 garLoopResultBuilder]: At program point L304-2(lines 304 310) the Hoare annotation is: false [2021-08-29 16:16:17,801 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-08-29 16:16:17,801 INFO L858 garLoopResultBuilder]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2021-08-29 16:16:17,801 INFO L854 garLoopResultBuilder]: At program point L437(lines 422 440) the Hoare annotation is: false [2021-08-29 16:16:17,801 INFO L858 garLoopResultBuilder]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2021-08-29 16:16:17,801 INFO L854 garLoopResultBuilder]: At program point L437-1(lines 422 440) the Hoare annotation is: false [2021-08-29 16:16:17,801 INFO L854 garLoopResultBuilder]: At program point L437-2(lines 422 440) the Hoare annotation is: false [2021-08-29 16:16:17,801 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 245) no Hoare annotation was computed. [2021-08-29 16:16:17,802 INFO L854 garLoopResultBuilder]: At program point L206(lines 1 895) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:16:17,802 INFO L854 garLoopResultBuilder]: At program point L239-1(lines 239 245) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:16:17,802 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:16:17,802 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 476) no Hoare annotation was computed. [2021-08-29 16:16:17,802 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2021-08-29 16:16:17,802 INFO L854 garLoopResultBuilder]: At program point L275(lines 228 276) the Hoare annotation is: false [2021-08-29 16:16:17,802 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 270) no Hoare annotation was computed. [2021-08-29 16:16:17,802 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:16:17,803 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 168) no Hoare annotation was computed. [2021-08-29 16:16:17,803 INFO L861 garLoopResultBuilder]: At program point L161-1(lines 161 168) the Hoare annotation is: true [2021-08-29 16:16:17,803 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-29 16:16:17,803 INFO L858 garLoopResultBuilder]: For program point L179-1(line 179) no Hoare annotation was computed. [2021-08-29 16:16:17,803 INFO L858 garLoopResultBuilder]: For program point L179-2(line 179) no Hoare annotation was computed. [2021-08-29 16:16:17,803 INFO L854 garLoopResultBuilder]: At program point L526(lines 521 529) the Hoare annotation is: false [2021-08-29 16:16:17,803 INFO L854 garLoopResultBuilder]: At program point L526-1(lines 521 529) the Hoare annotation is: false [2021-08-29 16:16:17,803 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 464) no Hoare annotation was computed. [2021-08-29 16:16:17,804 INFO L854 garLoopResultBuilder]: At program point L526-2(lines 521 529) the Hoare annotation is: false [2021-08-29 16:16:17,804 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 346) no Hoare annotation was computed. [2021-08-29 16:16:17,804 INFO L858 garLoopResultBuilder]: For program point L329-1(lines 329 346) no Hoare annotation was computed. [2021-08-29 16:16:17,804 INFO L858 garLoopResultBuilder]: For program point L329-2(lines 329 346) no Hoare annotation was computed. [2021-08-29 16:16:17,804 INFO L858 garLoopResultBuilder]: For program point L230(lines 229 274) no Hoare annotation was computed. [2021-08-29 16:16:17,804 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:16:17,804 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2021-08-29 16:16:17,804 INFO L854 garLoopResultBuilder]: At program point L214(lines 209 217) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:16:17,805 INFO L854 garLoopResultBuilder]: At program point L297(lines 296 315) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:16:17,805 INFO L858 garLoopResultBuilder]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2021-08-29 16:16:17,805 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 235) no Hoare annotation was computed. [2021-08-29 16:16:17,805 INFO L854 garLoopResultBuilder]: At program point L297-2(lines 296 315) the Hoare annotation is: false [2021-08-29 16:16:17,805 INFO L854 garLoopResultBuilder]: At program point L297-3(lines 296 315) the Hoare annotation is: false [2021-08-29 16:16:17,805 INFO L854 garLoopResultBuilder]: At program point L83-2(lines 83 97) the Hoare annotation is: false [2021-08-29 16:16:17,805 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 269) no Hoare annotation was computed. [2021-08-29 16:16:17,805 INFO L858 garLoopResultBuilder]: For program point L265-2(lines 297 303) no Hoare annotation was computed. [2021-08-29 16:16:17,806 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 255) no Hoare annotation was computed. [2021-08-29 16:16:17,806 INFO L854 garLoopResultBuilder]: At program point L249-1(lines 249 255) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:16:17,806 INFO L858 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2021-08-29 16:16:17,806 INFO L858 garLoopResultBuilder]: For program point L431(lines 431 435) no Hoare annotation was computed. [2021-08-29 16:16:17,806 INFO L858 garLoopResultBuilder]: For program point L431-2(lines 431 435) no Hoare annotation was computed. [2021-08-29 16:16:17,806 INFO L858 garLoopResultBuilder]: For program point L431-3(lines 431 435) no Hoare annotation was computed. [2021-08-29 16:16:17,806 INFO L858 garLoopResultBuilder]: For program point L431-5(lines 431 435) no Hoare annotation was computed. [2021-08-29 16:16:17,806 INFO L858 garLoopResultBuilder]: For program point L431-6(lines 431 435) no Hoare annotation was computed. [2021-08-29 16:16:17,807 INFO L858 garLoopResultBuilder]: For program point L431-8(lines 431 435) no Hoare annotation was computed. [2021-08-29 16:16:17,807 INFO L854 garLoopResultBuilder]: At program point L134(lines 130 136) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:16:17,810 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:16:17,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:16:17 BoogieIcfgContainer [2021-08-29 16:16:17,820 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:16:17,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:16:17,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:16:17,821 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:16:17,821 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:16" (3/4) ... [2021-08-29 16:16:17,823 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:16:17,831 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:16:17,831 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:16:17,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:16:17,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:16:17,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:16:17,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:17,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:17,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive [2021-08-29 16:16:17,863 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:16:17,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:16:17,864 INFO L158 Benchmark]: Toolchain (without parser) took 2454.78ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 40.2MB in the beginning and 47.4MB in the end (delta: -7.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2021-08-29 16:16:17,864 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:16:17,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.89ms. Allocated memory is still 60.8MB. Free memory was 40.0MB in the beginning and 36.9MB in the end (delta: 3.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-29 16:16:17,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.83ms. Allocated memory is still 60.8MB. Free memory was 36.7MB in the beginning and 33.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:16:17,865 INFO L158 Benchmark]: Boogie Preprocessor took 42.84ms. Allocated memory is still 60.8MB. Free memory was 33.8MB in the beginning and 31.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:16:17,865 INFO L158 Benchmark]: RCFGBuilder took 413.48ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 31.7MB in the beginning and 47.6MB in the end (delta: -16.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-08-29 16:16:17,865 INFO L158 Benchmark]: TraceAbstraction took 1550.23ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 47.3MB in the beginning and 53.7MB in the end (delta: -6.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2021-08-29 16:16:17,866 INFO L158 Benchmark]: Witness Printer took 43.33ms. Allocated memory is still 90.2MB. Free memory was 53.7MB in the beginning and 47.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-29 16:16:17,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.89ms. Allocated memory is still 60.8MB. Free memory was 40.0MB in the beginning and 36.9MB in the end (delta: 3.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.83ms. Allocated memory is still 60.8MB. Free memory was 36.7MB in the beginning and 33.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.84ms. Allocated memory is still 60.8MB. Free memory was 33.8MB in the beginning and 31.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 413.48ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 31.7MB in the beginning and 47.6MB in the end (delta: -16.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1550.23ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 47.3MB in the beginning and 53.7MB in the end (delta: -6.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Witness Printer took 43.33ms. Allocated memory is still 90.2MB. Free memory was 53.7MB in the beginning and 47.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 179]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 179]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 179]: 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 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1503.88ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 8.82ms, AutomataDifference: 728.89ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 132.50ms, InitialAbstractionConstructionTime: 7.19ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 272 SdHoareTripleChecker+Valid, 568.19ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 272 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 436.54ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 210 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 572 IncrementalHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 0 mSDtfsCounter, 572 mSolverCounterSat, 7.54ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 41.69ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 42.08ms AutomataMinimizationTime, 5 MinimizatonAttempts, 37 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 56 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 395 FormulaSimplificationTreeSizeReduction, 32.94ms HoareSimplificationTime, 30 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 92.09ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 17.22ms SsaConstructionTime, 163.55ms SatisfiabilityAnalysisTime, 275.25ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 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 3 specifications checked. All of them hold - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:16:17,900 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...