./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product29.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_spec2_product29.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 db34ce7f2561b6e02b8ca3433870fb499d17b965 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:14:49,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:14:49,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:14:49,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:14:49,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:14:49,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:14:49,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:14:49,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:14:49,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:14:49,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:14:49,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:14:49,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:14:49,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:14:49,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:14:49,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:14:49,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:14:49,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:14:49,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:14:49,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:14:49,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:14:49,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:14:49,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:14:49,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:14:49,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:14:49,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:14:49,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:14:49,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:14:49,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:14:49,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:14:49,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:14:49,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:14:49,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:14:49,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:14:49,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:14:49,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:14:49,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:14:49,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:14:49,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:14:49,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:14:49,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:14:49,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:14:49,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:14:49,464 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:14:49,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:14:49,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:14:49,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:14:49,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:14:49,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:14:49,468 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:14:49,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:14:49,469 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:14:49,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:14:49,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:14:49,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:14:49,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:14:49,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:14:49,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:14:49,470 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:14:49,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:14:49,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:14:49,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:14:49,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:14:49,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:14:49,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:14:49,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:14:49,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:14:49,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:14:49,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:14:49,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:14:49,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:14:49,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:14:49,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:14:49,473 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db34ce7f2561b6e02b8ca3433870fb499d17b965 [2021-08-29 16:14:49,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:14:49,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:14:49,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:14:49,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:14:49,739 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:14:49,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2021-08-29 16:14:49,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4c200280/361e3961be7543f786338965f3cdd7b7/FLAGb17371b03 [2021-08-29 16:14:50,196 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:14:50,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2021-08-29 16:14:50,207 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4c200280/361e3961be7543f786338965f3cdd7b7/FLAGb17371b03 [2021-08-29 16:14:50,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4c200280/361e3961be7543f786338965f3cdd7b7 [2021-08-29 16:14:50,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:14:50,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:14:50,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:14:50,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:14:50,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:14:50,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:14:50" (1/1) ... [2021-08-29 16:14:50,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd6612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:50, skipping insertion in model container [2021-08-29 16:14:50,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:14:50" (1/1) ... [2021-08-29 16:14:50,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:14:50,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:14:50,788 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_spec2_product29.cil.c[4935,4948] [2021-08-29 16:14:50,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:14:50,913 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:14:50,927 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_spec2_product29.cil.c[4935,4948] [2021-08-29 16:14:50,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:14:50,959 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:14:50,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:50 WrapperNode [2021-08-29 16:14:50,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:14:50,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:14:50,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:14:50,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:14:50,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:50" (1/1) ... [2021-08-29 16:14:50,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:50" (1/1) ... [2021-08-29 16:14:50,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:14:50,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:14:50,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:14:50,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:14:51,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:50" (1/1) ... [2021-08-29 16:14:51,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:50" (1/1) ... [2021-08-29 16:14:51,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:50" (1/1) ... [2021-08-29 16:14:51,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:50" (1/1) ... [2021-08-29 16:14:51,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:50" (1/1) ... [2021-08-29 16:14:51,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:50" (1/1) ... [2021-08-29 16:14:51,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:50" (1/1) ... [2021-08-29 16:14:51,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:14:51,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:14:51,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:14:51,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:14:51,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:50" (1/1) ... [2021-08-29 16:14:51,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:14:51,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:14:51,062 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 16:14:51,087 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 16:14:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:14:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:14:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:14:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:14:51,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:14:51,518 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-08-29 16:14:51,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:14:51 BoogieIcfgContainer [2021-08-29 16:14:51,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:14:51,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:14:51,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:14:51,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:14:51,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:14:50" (1/3) ... [2021-08-29 16:14:51,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2610f306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:14:51, skipping insertion in model container [2021-08-29 16:14:51,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:50" (2/3) ... [2021-08-29 16:14:51,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2610f306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:14:51, skipping insertion in model container [2021-08-29 16:14:51,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:14:51" (3/3) ... [2021-08-29 16:14:51,527 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product29.cil.c [2021-08-29 16:14:51,530 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:14:51,530 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:14:51,571 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:14:51,578 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 16:14:51,578 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:14:51,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 105 states have (on average 1.5523809523809524) internal successors, (163), 108 states have internal predecessors, (163), 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 16:14:51,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-29 16:14:51,605 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:51,606 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:14:51,606 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 16:14:51,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:51,610 INFO L82 PathProgramCache]: Analyzing trace with hash 631358255, now seen corresponding path program 1 times [2021-08-29 16:14:51,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:51,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524132105] [2021-08-29 16:14:51,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:51,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:51,850 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 16:14:51,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:51,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524132105] [2021-08-29 16:14:51,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524132105] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:51,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:51,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:14:51,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587574522] [2021-08-29 16:14:51,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:14:51,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:51,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:14:51,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:14:51,893 INFO L87 Difference]: Start difference. First operand has 109 states, 105 states have (on average 1.5523809523809524) internal successors, (163), 108 states have internal predecessors, (163), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 16:14:52,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:52,135 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2021-08-29 16:14:52,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:14:52,150 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-08-29 16:14:52,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:52,156 INFO L225 Difference]: With dead ends: 211 [2021-08-29 16:14:52,156 INFO L226 Difference]: Without dead ends: 105 [2021-08-29 16:14:52,158 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:14:52,160 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 178.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.11ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 215.97ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:52,160 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 156 Unknown, 0 Unchecked, 1.11ms Time], IncrementalHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 215.97ms Time] [2021-08-29 16:14:52,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-08-29 16:14:52,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-08-29 16:14:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 104 states have internal predecessors, (151), 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 16:14:52,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2021-08-29 16:14:52,209 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2021-08-29 16:14:52,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:52,210 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2021-08-29 16:14:52,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 16:14:52,210 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2021-08-29 16:14:52,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-29 16:14:52,212 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:52,212 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:14:52,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:14:52,215 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 16:14:52,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:52,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1546440637, now seen corresponding path program 1 times [2021-08-29 16:14:52,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:52,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238930149] [2021-08-29 16:14:52,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:52,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:52,289 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 16:14:52,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:52,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238930149] [2021-08-29 16:14:52,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238930149] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:52,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:52,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:14:52,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121738369] [2021-08-29 16:14:52,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:14:52,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:52,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:14:52,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:14:52,292 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 16:14:52,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:52,404 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2021-08-29 16:14:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:14:52,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-08-29 16:14:52,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:52,405 INFO L225 Difference]: With dead ends: 105 [2021-08-29 16:14:52,405 INFO L226 Difference]: Without dead ends: 45 [2021-08-29 16:14:52,406 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.48ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:14:52,406 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 56 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.58ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 104.12ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:52,407 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 0 Invalid, 70 Unknown, 0 Unchecked, 0.58ms Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 104.12ms Time] [2021-08-29 16:14:52,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-08-29 16:14:52,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-08-29 16:14:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 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 16:14:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-08-29 16:14:52,414 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2021-08-29 16:14:52,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:52,415 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-08-29 16:14:52,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 16:14:52,415 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-08-29 16:14:52,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 16:14:52,416 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:52,417 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 16:14:52,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:14:52,417 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 16:14:52,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:52,418 INFO L82 PathProgramCache]: Analyzing trace with hash -2132184394, now seen corresponding path program 1 times [2021-08-29 16:14:52,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:52,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236660892] [2021-08-29 16:14:52,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:52,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:52,489 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 16:14:52,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:52,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236660892] [2021-08-29 16:14:52,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236660892] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:52,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:52,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:14:52,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159070094] [2021-08-29 16:14:52,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:14:52,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:52,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:14:52,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:14:52,497 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 16:14:52,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:52,587 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2021-08-29 16:14:52,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:14:52,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 16:14:52,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:52,593 INFO L225 Difference]: With dead ends: 83 [2021-08-29 16:14:52,593 INFO L226 Difference]: Without dead ends: 45 [2021-08-29 16:14:52,593 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.51ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:14:52,599 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 47 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.94ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.05ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:52,600 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 0 Invalid, 63 Unknown, 0 Unchecked, 0.94ms Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 74.05ms Time] [2021-08-29 16:14:52,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-08-29 16:14:52,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-08-29 16:14:52,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 44 states have internal predecessors, (63), 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 16:14:52,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2021-08-29 16:14:52,610 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2021-08-29 16:14:52,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:52,610 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2021-08-29 16:14:52,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 16:14:52,610 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2021-08-29 16:14:52,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-29 16:14:52,611 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:52,611 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, 1, 1] [2021-08-29 16:14:52,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:14:52,611 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 16:14:52,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:52,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1437786744, now seen corresponding path program 1 times [2021-08-29 16:14:52,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:52,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387347004] [2021-08-29 16:14:52,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:52,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:52,689 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 16:14:52,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:52,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387347004] [2021-08-29 16:14:52,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387347004] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:52,690 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:52,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:14:52,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304368580] [2021-08-29 16:14:52,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:14:52,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:52,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:14:52,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:14:52,691 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 16:14:53,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:53,006 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2021-08-29 16:14:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 16:14:53,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 26 [2021-08-29 16:14:53,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:53,008 INFO L225 Difference]: With dead ends: 207 [2021-08-29 16:14:53,008 INFO L226 Difference]: Without dead ends: 169 [2021-08-29 16:14:53,009 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 22.40ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:14:53,016 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 190 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 202.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.36ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 265.61ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:53,017 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 0 Invalid, 426 Unknown, 0 Unchecked, 7.36ms Time], IncrementalHoareTripleChecker [8 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 265.61ms Time] [2021-08-29 16:14:53,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-08-29 16:14:53,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2021-08-29 16:14:53,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4415584415584415) internal successors, (111), 77 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 16:14:53,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2021-08-29 16:14:53,053 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2021-08-29 16:14:53,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:53,054 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2021-08-29 16:14:53,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 16:14:53,055 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2021-08-29 16:14:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-29 16:14:53,059 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:53,059 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, 1, 1, 1] [2021-08-29 16:14:53,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:14:53,059 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 16:14:53,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:53,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1841086480, now seen corresponding path program 1 times [2021-08-29 16:14:53,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:53,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133680340] [2021-08-29 16:14:53,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:53,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:53,113 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 16:14:53,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:53,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133680340] [2021-08-29 16:14:53,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133680340] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:53,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:53,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:14:53,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109990036] [2021-08-29 16:14:53,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:14:53,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:53,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:14:53,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:14:53,115 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 16:14:53,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:53,237 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2021-08-29 16:14:53,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:14:53,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2021-08-29 16:14:53,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:53,237 INFO L225 Difference]: With dead ends: 176 [2021-08-29 16:14:53,237 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:14:53,238 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.01ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:14:53,238 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 82 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.75ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 105.47ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:53,239 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 0 Invalid, 150 Unknown, 0 Unchecked, 0.75ms Time], IncrementalHoareTripleChecker [3 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 105.47ms Time] [2021-08-29 16:14:53,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:14:53,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:14:53,239 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 16:14:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:14:53,239 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-08-29 16:14:53,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:53,239 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:14:53,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 16:14:53,239 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:14:53,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:14:53,241 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:14:53,242 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:14:53,242 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:14:53,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:14:53,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:14:53,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:53,425 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 319) no Hoare annotation was computed. [2021-08-29 16:14:53,425 INFO L854 garLoopResultBuilder]: At program point L335-2(lines 335 349) the Hoare annotation is: false [2021-08-29 16:14:53,426 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:14:53,426 INFO L858 garLoopResultBuilder]: For program point L236-2(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:14:53,426 INFO L858 garLoopResultBuilder]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:14:53,426 INFO L858 garLoopResultBuilder]: For program point L236-5(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:14:53,426 INFO L858 garLoopResultBuilder]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:14:53,426 INFO L858 garLoopResultBuilder]: For program point L236-8(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:14:53,426 INFO L858 garLoopResultBuilder]: For program point L236-9(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:14:53,426 INFO L858 garLoopResultBuilder]: For program point L236-11(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:14:53,427 INFO L858 garLoopResultBuilder]: For program point L236-12(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:14:53,427 INFO L858 garLoopResultBuilder]: For program point L236-14(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:14:53,427 INFO L858 garLoopResultBuilder]: For program point L236-15(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:14:53,427 INFO L858 garLoopResultBuilder]: For program point L236-17(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:14:53,427 INFO L858 garLoopResultBuilder]: For program point L336(line 336) no Hoare annotation was computed. [2021-08-29 16:14:53,427 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 276) no Hoare annotation was computed. [2021-08-29 16:14:53,427 INFO L854 garLoopResultBuilder]: At program point L270-1(lines 270 276) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:53,427 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2021-08-29 16:14:53,428 INFO L854 garLoopResultBuilder]: At program point L306(lines 259 307) the Hoare annotation is: false [2021-08-29 16:14:53,428 INFO L858 garLoopResultBuilder]: For program point L339-1(lines 59 65) no Hoare annotation was computed. [2021-08-29 16:14:53,428 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 319) no Hoare annotation was computed. [2021-08-29 16:14:53,428 INFO L858 garLoopResultBuilder]: For program point L506(lines 506 510) no Hoare annotation was computed. [2021-08-29 16:14:53,428 INFO L858 garLoopResultBuilder]: For program point L506-3(lines 506 510) no Hoare annotation was computed. [2021-08-29 16:14:53,428 INFO L858 garLoopResultBuilder]: For program point L506-6(lines 506 510) no Hoare annotation was computed. [2021-08-29 16:14:53,428 INFO L854 garLoopResultBuilder]: At program point L242(lines 227 245) the Hoare annotation is: false [2021-08-29 16:14:53,428 INFO L854 garLoopResultBuilder]: At program point L242-1(lines 227 245) the Hoare annotation is: false [2021-08-29 16:14:53,429 INFO L854 garLoopResultBuilder]: At program point L242-2(lines 227 245) the Hoare annotation is: false [2021-08-29 16:14:53,429 INFO L854 garLoopResultBuilder]: At program point L242-3(lines 227 245) the Hoare annotation is: false [2021-08-29 16:14:53,429 INFO L854 garLoopResultBuilder]: At program point L242-4(lines 227 245) the Hoare annotation is: false [2021-08-29 16:14:53,429 INFO L854 garLoopResultBuilder]: At program point L242-5(lines 227 245) the Hoare annotation is: false [2021-08-29 16:14:53,429 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 459) no Hoare annotation was computed. [2021-08-29 16:14:53,429 INFO L854 garLoopResultBuilder]: At program point L442-1(lines 1 953) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:53,429 INFO L858 garLoopResultBuilder]: For program point L442-2(lines 442 459) no Hoare annotation was computed. [2021-08-29 16:14:53,429 INFO L854 garLoopResultBuilder]: At program point L442-3(lines 1 953) the Hoare annotation is: false [2021-08-29 16:14:53,430 INFO L858 garLoopResultBuilder]: For program point L442-4(lines 442 459) no Hoare annotation was computed. [2021-08-29 16:14:53,430 INFO L854 garLoopResultBuilder]: At program point L442-5(lines 1 953) the Hoare annotation is: false [2021-08-29 16:14:53,430 INFO L854 garLoopResultBuilder]: At program point L178(lines 171 181) the Hoare annotation is: false [2021-08-29 16:14:53,430 INFO L854 garLoopResultBuilder]: At program point L178-1(lines 171 181) the Hoare annotation is: false [2021-08-29 16:14:53,430 INFO L854 garLoopResultBuilder]: At program point L178-2(lines 171 181) the Hoare annotation is: false [2021-08-29 16:14:53,430 INFO L854 garLoopResultBuilder]: At program point L543(lines 538 546) the Hoare annotation is: false [2021-08-29 16:14:53,430 INFO L854 garLoopResultBuilder]: At program point L543-1(lines 538 546) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:53,431 INFO L854 garLoopResultBuilder]: At program point L543-2(lines 538 546) the Hoare annotation is: false [2021-08-29 16:14:53,431 INFO L854 garLoopResultBuilder]: At program point L543-3(lines 538 546) the Hoare annotation is: false [2021-08-29 16:14:53,431 INFO L858 garLoopResultBuilder]: For program point L411(lines 411 418) no Hoare annotation was computed. [2021-08-29 16:14:53,431 INFO L854 garLoopResultBuilder]: At program point L543-4(lines 538 546) the Hoare annotation is: false [2021-08-29 16:14:53,431 INFO L854 garLoopResultBuilder]: At program point L543-5(lines 538 546) the Hoare annotation is: false [2021-08-29 16:14:53,431 INFO L861 garLoopResultBuilder]: At program point L411-1(lines 411 418) the Hoare annotation is: true [2021-08-29 16:14:53,431 INFO L858 garLoopResultBuilder]: For program point L280(lines 280 286) no Hoare annotation was computed. [2021-08-29 16:14:53,431 INFO L854 garLoopResultBuilder]: At program point L280-1(lines 280 286) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:53,432 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 456) no Hoare annotation was computed. [2021-08-29 16:14:53,432 INFO L858 garLoopResultBuilder]: For program point L446-2(lines 446 456) no Hoare annotation was computed. [2021-08-29 16:14:53,432 INFO L858 garLoopResultBuilder]: For program point L446-4(lines 446 456) no Hoare annotation was computed. [2021-08-29 16:14:53,432 INFO L858 garLoopResultBuilder]: For program point L447(lines 447 453) no Hoare annotation was computed. [2021-08-29 16:14:53,432 INFO L858 garLoopResultBuilder]: For program point L447-2(lines 447 453) no Hoare annotation was computed. [2021-08-29 16:14:53,432 INFO L858 garLoopResultBuilder]: For program point L447-4(lines 447 453) no Hoare annotation was computed. [2021-08-29 16:14:53,432 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 134) no Hoare annotation was computed. [2021-08-29 16:14:53,432 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 117 134) no Hoare annotation was computed. [2021-08-29 16:14:53,432 INFO L858 garLoopResultBuilder]: For program point L117-2(lines 117 134) no Hoare annotation was computed. [2021-08-29 16:14:53,433 INFO L854 garLoopResultBuilder]: At program point L383(lines 379 385) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:53,433 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:14:53,433 INFO L858 garLoopResultBuilder]: For program point L319(line 319) no Hoare annotation was computed. [2021-08-29 16:14:53,433 INFO L858 garLoopResultBuilder]: For program point L319-1(line 319) no Hoare annotation was computed. [2021-08-29 16:14:53,433 INFO L858 garLoopResultBuilder]: For program point L319-2(line 319) no Hoare annotation was computed. [2021-08-29 16:14:53,433 INFO L854 garLoopResultBuilder]: At program point L187(lines 182 190) 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 16:14:53,433 INFO L854 garLoopResultBuilder]: At program point L187-1(lines 182 190) the Hoare annotation is: false [2021-08-29 16:14:53,433 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 129) no Hoare annotation was computed. [2021-08-29 16:14:53,434 INFO L854 garLoopResultBuilder]: At program point L187-2(lines 182 190) the Hoare annotation is: false [2021-08-29 16:14:53,434 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2021-08-29 16:14:53,434 INFO L858 garLoopResultBuilder]: For program point L121-2(lines 121 129) no Hoare annotation was computed. [2021-08-29 16:14:53,434 INFO L854 garLoopResultBuilder]: At program point L584(lines 579 587) the Hoare annotation is: false [2021-08-29 16:14:53,434 INFO L854 garLoopResultBuilder]: At program point L584-1(lines 579 587) the Hoare annotation is: false [2021-08-29 16:14:53,434 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2021-08-29 16:14:53,434 INFO L854 garLoopResultBuilder]: At program point L584-2(lines 579 587) the Hoare annotation is: false [2021-08-29 16:14:53,434 INFO L854 garLoopResultBuilder]: At program point L584-3(lines 579 587) the Hoare annotation is: false [2021-08-29 16:14:53,435 INFO L854 garLoopResultBuilder]: At program point L584-4(lines 579 587) the Hoare annotation is: false [2021-08-29 16:14:53,435 INFO L854 garLoopResultBuilder]: At program point L584-5(lines 579 587) the Hoare annotation is: false [2021-08-29 16:14:53,435 INFO L854 garLoopResultBuilder]: At program point L486(lines 1 953) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:53,435 INFO L861 garLoopResultBuilder]: At program point L420(lines 401 423) the Hoare annotation is: true [2021-08-29 16:14:53,435 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:14:53,435 INFO L858 garLoopResultBuilder]: For program point L91(lines 91 108) no Hoare annotation was computed. [2021-08-29 16:14:53,435 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 91 108) no Hoare annotation was computed. [2021-08-29 16:14:53,435 INFO L858 garLoopResultBuilder]: For program point L91-2(lines 91 108) no Hoare annotation was computed. [2021-08-29 16:14:53,436 INFO L858 garLoopResultBuilder]: For program point L91-3(lines 91 108) no Hoare annotation was computed. [2021-08-29 16:14:53,436 INFO L858 garLoopResultBuilder]: For program point L91-4(lines 91 108) no Hoare annotation was computed. [2021-08-29 16:14:53,436 INFO L858 garLoopResultBuilder]: For program point L91-5(lines 91 108) no Hoare annotation was computed. [2021-08-29 16:14:53,436 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 301) no Hoare annotation was computed. [2021-08-29 16:14:53,436 INFO L854 garLoopResultBuilder]: At program point L59(lines 58 77) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:53,436 INFO L858 garLoopResultBuilder]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2021-08-29 16:14:53,436 INFO L854 garLoopResultBuilder]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2021-08-29 16:14:53,436 INFO L854 garLoopResultBuilder]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2021-08-29 16:14:53,437 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:14:53,437 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 103) no Hoare annotation was computed. [2021-08-29 16:14:53,437 INFO L858 garLoopResultBuilder]: For program point L95-1(lines 95 103) no Hoare annotation was computed. [2021-08-29 16:14:53,437 INFO L858 garLoopResultBuilder]: For program point L95-2(lines 95 103) no Hoare annotation was computed. [2021-08-29 16:14:53,437 INFO L858 garLoopResultBuilder]: For program point L95-3(lines 95 103) no Hoare annotation was computed. [2021-08-29 16:14:53,437 INFO L858 garLoopResultBuilder]: For program point L95-4(lines 95 103) no Hoare annotation was computed. [2021-08-29 16:14:53,437 INFO L858 garLoopResultBuilder]: For program point L95-5(lines 95 103) no Hoare annotation was computed. [2021-08-29 16:14:53,437 INFO L858 garLoopResultBuilder]: For program point L261(lines 260 305) no Hoare annotation was computed. [2021-08-29 16:14:53,437 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 266) no Hoare annotation was computed. [2021-08-29 16:14:53,438 INFO L854 garLoopResultBuilder]: At program point L494(lines 489 497) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:53,438 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 300) no Hoare annotation was computed. [2021-08-29 16:14:53,438 INFO L858 garLoopResultBuilder]: For program point L296-2(lines 59 65) no Hoare annotation was computed. [2021-08-29 16:14:53,438 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:14:53,438 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 319) no Hoare annotation was computed. [2021-08-29 16:14:53,438 INFO L854 garLoopResultBuilder]: At program point L66(lines 66 72) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:53,438 INFO L854 garLoopResultBuilder]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2021-08-29 16:14:53,439 INFO L854 garLoopResultBuilder]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2021-08-29 16:14:53,439 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2021-08-29 16:14:53,439 INFO L854 garLoopResultBuilder]: At program point L431(lines 426 433) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:53,442 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:14:53,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:14:53 BoogieIcfgContainer [2021-08-29 16:14:53,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:14:53,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:14:53,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:14:53,453 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:14:53,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:14:51" (3/4) ... [2021-08-29 16:14:53,455 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:14:53,464 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:14:53,465 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:14:53,465 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:14:53,465 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:14:53,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:14:53,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:14:53,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:14:53,482 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive [2021-08-29 16:14:53,514 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:14:53,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:14:53,515 INFO L158 Benchmark]: Toolchain (without parser) took 2944.89ms. Allocated memory was 60.8MB in the beginning and 92.3MB in the end (delta: 31.5MB). Free memory was 38.8MB in the beginning and 54.7MB in the end (delta: -15.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-08-29 16:14:53,515 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:14:53,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.74ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 37.5MB in the end (delta: 1.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-29 16:14:53,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.37ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 33.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:14:53,516 INFO L158 Benchmark]: Boogie Preprocessor took 23.16ms. Allocated memory is still 60.8MB. Free memory was 33.8MB in the beginning and 31.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:14:53,516 INFO L158 Benchmark]: RCFGBuilder took 497.63ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 31.1MB in the beginning and 45.5MB in the end (delta: -14.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-08-29 16:14:53,516 INFO L158 Benchmark]: TraceAbstraction took 1930.63ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 45.1MB in the beginning and 64.4MB in the end (delta: -19.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-08-29 16:14:53,517 INFO L158 Benchmark]: Witness Printer took 62.43ms. Allocated memory is still 92.3MB. Free memory was 64.4MB in the beginning and 54.7MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 16:14:53,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.74ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 37.5MB in the end (delta: 1.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.37ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 33.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.16ms. Allocated memory is still 60.8MB. Free memory was 33.8MB in the beginning and 31.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.63ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 31.1MB in the beginning and 45.5MB in the end (delta: -14.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1930.63ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 45.1MB in the beginning and 64.4MB in the end (delta: -19.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Witness Printer took 62.43ms. Allocated memory is still 92.3MB. Free memory was 64.4MB in the beginning and 54.7MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. 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: 319]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 319]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 319]: 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, 109 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1871.87ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 23.91ms, AutomataDifference: 968.15ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 182.81ms, InitialAbstractionConstructionTime: 9.58ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 375 SdHoareTripleChecker+Valid, 765.23ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 375 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 577.38ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 363 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 854 IncrementalHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 0 mSDtfsCounter, 854 mSolverCounterSat, 10.74ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 39.43ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 85.70ms AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 78 NumberOfFragments, 145 HoareAnnotationTreeSize, 43 FomulaSimplifications, 816 FormulaSimplificationTreeSizeReduction, 61.48ms HoareSimplificationTime, 43 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 111.42ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 20.17ms SsaConstructionTime, 201.83ms SatisfiabilityAnalysisTime, 224.16ms InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 235 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: 66]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:14:53,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...