./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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_spec5_product15.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 2dd43f49bf0c50f8e266b43f103f07ac5fa1d3b0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:45:18,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:45:18,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:45:18,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:45:18,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:45:18,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:45:18,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:45:18,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:45:18,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:45:18,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:45:18,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:45:18,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:45:18,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:45:18,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:45:18,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:45:18,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:45:18,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:45:18,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:45:18,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:45:18,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:45:18,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:45:18,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:45:18,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:45:18,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:45:18,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:45:18,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:45:18,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:45:18,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:45:18,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:45:18,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:45:18,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:45:18,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:45:18,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:45:18,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:45:18,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:45:18,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:45:18,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:45:18,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:45:18,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:45:18,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:45:18,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:45:18,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:45:18,447 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:45:18,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:45:18,448 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:45:18,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:45:18,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:45:18,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:45:18,451 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:45:18,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:45:18,451 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:45:18,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:45:18,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:45:18,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:45:18,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:45:18,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:45:18,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:45:18,453 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:45:18,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:45:18,454 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:45:18,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:45:18,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:45:18,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:45:18,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:45:18,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:18,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:45:18,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:45:18,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:45:18,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:45:18,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:45:18,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:45:18,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:45:18,456 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dd43f49bf0c50f8e266b43f103f07ac5fa1d3b0 [2021-08-26 08:45:18,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:45:18,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:45:18,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:45:18,818 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:45:18,818 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:45:18,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c [2021-08-26 08:45:18,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7561622c3/08a754b6b6b94fc3bff8f7889c5cd7a0/FLAGee4bcabcf [2021-08-26 08:45:19,407 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:45:19,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c [2021-08-26 08:45:19,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7561622c3/08a754b6b6b94fc3bff8f7889c5cd7a0/FLAGee4bcabcf [2021-08-26 08:45:19,888 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7561622c3/08a754b6b6b94fc3bff8f7889c5cd7a0 [2021-08-26 08:45:19,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:45:19,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:45:19,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:19,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:45:19,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:45:19,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:19" (1/1) ... [2021-08-26 08:45:19,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564fe3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:19, skipping insertion in model container [2021-08-26 08:45:19,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:19" (1/1) ... [2021-08-26 08:45:19,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:45:19,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:45:20,176 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_spec5_product15.cil.c[17001,17014] [2021-08-26 08:45:20,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:20,187 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:45:20,246 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_spec5_product15.cil.c[17001,17014] [2021-08-26 08:45:20,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:20,274 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:45:20,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:20 WrapperNode [2021-08-26 08:45:20,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:20,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:20,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:45:20,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:45:20,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:20" (1/1) ... [2021-08-26 08:45:20,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:20" (1/1) ... [2021-08-26 08:45:20,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:20,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:45:20,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:45:20,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:45:20,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:20" (1/1) ... [2021-08-26 08:45:20,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:20" (1/1) ... [2021-08-26 08:45:20,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:20" (1/1) ... [2021-08-26 08:45:20,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:20" (1/1) ... [2021-08-26 08:45:20,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:20" (1/1) ... [2021-08-26 08:45:20,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:20" (1/1) ... [2021-08-26 08:45:20,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:20" (1/1) ... [2021-08-26 08:45:20,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:45:20,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:45:20,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:45:20,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:45:20,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:20" (1/1) ... [2021-08-26 08:45:20,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:20,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:45:20,466 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) [2021-08-26 08:45:20,484 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 [2021-08-26 08:45:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:45:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:45:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:45:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:45:21,383 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:45:21,383 INFO L299 CfgBuilder]: Removed 114 assume(true) statements. [2021-08-26 08:45:21,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:21 BoogieIcfgContainer [2021-08-26 08:45:21,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:45:21,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:45:21,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:45:21,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:45:21,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:45:19" (1/3) ... [2021-08-26 08:45:21,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3a862f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:21, skipping insertion in model container [2021-08-26 08:45:21,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:20" (2/3) ... [2021-08-26 08:45:21,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3a862f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:21, skipping insertion in model container [2021-08-26 08:45:21,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:21" (3/3) ... [2021-08-26 08:45:21,403 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product15.cil.c [2021-08-26 08:45:21,408 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:45:21,408 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:45:21,445 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:45:21,450 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 [2021-08-26 08:45:21,451 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:45:21,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 79 states have internal predecessors, (117), 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) [2021-08-26 08:45:21,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:45:21,472 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:21,473 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:21,473 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:21,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:21,478 INFO L82 PathProgramCache]: Analyzing trace with hash 889929444, now seen corresponding path program 1 times [2021-08-26 08:45:21,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:21,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603124025] [2021-08-26 08:45:21,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:21,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:21,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:21,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:21,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603124025] [2021-08-26 08:45:21,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603124025] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:21,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:21,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:21,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465574557] [2021-08-26 08:45:21,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:45:21,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:21,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:45:21,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:45:21,729 INFO L87 Difference]: Start difference. First operand has 80 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 79 states have internal predecessors, (117), 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 9.5) internal successors, (19), 2 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) [2021-08-26 08:45:21,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:21,750 INFO L93 Difference]: Finished difference Result 153 states and 226 transitions. [2021-08-26 08:45:21,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:45:21,751 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 [2021-08-26 08:45:21,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:21,758 INFO L225 Difference]: With dead ends: 153 [2021-08-26 08:45:21,758 INFO L226 Difference]: Without dead ends: 76 [2021-08-26 08:45:21,760 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:45:21,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-08-26 08:45:21,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-08-26 08:45:21,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 73 states have (on average 1.4383561643835616) internal successors, (105), 75 states have internal predecessors, (105), 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) [2021-08-26 08:45:21,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2021-08-26 08:45:21,800 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 19 [2021-08-26 08:45:21,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:21,801 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-08-26 08:45:21,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 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) [2021-08-26 08:45:21,801 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2021-08-26 08:45:21,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-26 08:45:21,803 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:21,803 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:21,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:45:21,804 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:21,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:21,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1599018299, now seen corresponding path program 1 times [2021-08-26 08:45:21,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:21,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379017471] [2021-08-26 08:45:21,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:21,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:21,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:21,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:21,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379017471] [2021-08-26 08:45:21,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379017471] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:21,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:21,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:45:21,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228551743] [2021-08-26 08:45:21,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:21,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:21,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:21,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:21,981 INFO L87 Difference]: Start difference. First operand 76 states and 105 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-08-26 08:45:21,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:21,994 INFO L93 Difference]: Finished difference Result 76 states and 105 transitions. [2021-08-26 08:45:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:21,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-08-26 08:45:21,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:21,997 INFO L225 Difference]: With dead ends: 76 [2021-08-26 08:45:21,997 INFO L226 Difference]: Without dead ends: 37 [2021-08-26 08:45:21,998 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:21,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-08-26 08:45:22,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-08-26 08:45:22,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 36 states have internal predecessors, (51), 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) [2021-08-26 08:45:22,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2021-08-26 08:45:22,008 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 20 [2021-08-26 08:45:22,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:22,008 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2021-08-26 08:45:22,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-08-26 08:45:22,009 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2021-08-26 08:45:22,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:45:22,012 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:22,012 INFO L512 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] [2021-08-26 08:45:22,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:45:22,012 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:22,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:22,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1370903551, now seen corresponding path program 1 times [2021-08-26 08:45:22,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:22,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582370121] [2021-08-26 08:45:22,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:22,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:22,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:22,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582370121] [2021-08-26 08:45:22,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582370121] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:22,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:22,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:45:22,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682061049] [2021-08-26 08:45:22,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:45:22,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:22,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:45:22,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:45:22,166 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 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) [2021-08-26 08:45:22,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:22,352 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2021-08-26 08:45:22,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:45:22,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 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 [2021-08-26 08:45:22,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:22,362 INFO L225 Difference]: With dead ends: 123 [2021-08-26 08:45:22,363 INFO L226 Difference]: Without dead ends: 93 [2021-08-26 08:45:22,364 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 62.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:45:22,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-08-26 08:45:22,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 59. [2021-08-26 08:45:22,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 58 states have internal predecessors, (84), 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) [2021-08-26 08:45:22,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 84 transitions. [2021-08-26 08:45:22,380 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 84 transitions. Word has length 26 [2021-08-26 08:45:22,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:22,381 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 84 transitions. [2021-08-26 08:45:22,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 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) [2021-08-26 08:45:22,381 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2021-08-26 08:45:22,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-26 08:45:22,383 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:22,383 INFO L512 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] [2021-08-26 08:45:22,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:45:22,383 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:22,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:22,384 INFO L82 PathProgramCache]: Analyzing trace with hash 383350907, now seen corresponding path program 1 times [2021-08-26 08:45:22,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:22,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472619044] [2021-08-26 08:45:22,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:22,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:22,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:22,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472619044] [2021-08-26 08:45:22,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472619044] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:22,494 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:22,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:45:22,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389340940] [2021-08-26 08:45:22,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:22,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:22,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:22,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:22,496 INFO L87 Difference]: Start difference. First operand 59 states and 84 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) [2021-08-26 08:45:22,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:22,616 INFO L93 Difference]: Finished difference Result 152 states and 222 transitions. [2021-08-26 08:45:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:45:22,617 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 [2021-08-26 08:45:22,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:22,618 INFO L225 Difference]: With dead ends: 152 [2021-08-26 08:45:22,618 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:45:22,622 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 43.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:22,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:45:22,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:45:22,622 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) [2021-08-26 08:45:22,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:45:22,623 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-08-26 08:45:22,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:22,623 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:45:22,623 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) [2021-08-26 08:45:22,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:45:22,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:45:22,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:22,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:22,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:22,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:45:22,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:45:22,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:22,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,065 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-26 08:45:23,066 INFO L857 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2021-08-26 08:45:23,066 INFO L857 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2021-08-26 08:45:23,066 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 816) no Hoare annotation was computed. [2021-08-26 08:45:23,066 INFO L857 garLoopResultBuilder]: For program point L878-2(line 878) no Hoare annotation was computed. [2021-08-26 08:45:23,066 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:45:23,066 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 582) no Hoare annotation was computed. [2021-08-26 08:45:23,067 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 565 582) no Hoare annotation was computed. [2021-08-26 08:45:23,067 INFO L857 garLoopResultBuilder]: For program point L565-2(lines 565 582) no Hoare annotation was computed. [2021-08-26 08:45:23,067 INFO L853 garLoopResultBuilder]: At program point L780(lines 1 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:45:23,067 INFO L857 garLoopResultBuilder]: For program point L731(lines 731 744) no Hoare annotation was computed. [2021-08-26 08:45:23,067 INFO L853 garLoopResultBuilder]: At program point L533(lines 529 551) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-26 08:45:23,067 INFO L853 garLoopResultBuilder]: At program point L533-1(lines 529 551) the Hoare annotation is: false [2021-08-26 08:45:23,068 INFO L853 garLoopResultBuilder]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-08-26 08:45:23,068 INFO L853 garLoopResultBuilder]: At program point L533-2(lines 529 551) the Hoare annotation is: false [2021-08-26 08:45:23,068 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-08-26 08:45:23,068 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-08-26 08:45:23,068 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-08-26 08:45:23,068 INFO L857 garLoopResultBuilder]: For program point L914-4(lines 914 924) no Hoare annotation was computed. [2021-08-26 08:45:23,069 INFO L853 garLoopResultBuilder]: At program point L749(lines 700 750) the Hoare annotation is: false [2021-08-26 08:45:23,069 INFO L853 garLoopResultBuilder]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-08-26 08:45:23,069 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 921) no Hoare annotation was computed. [2021-08-26 08:45:23,069 INFO L857 garLoopResultBuilder]: For program point L915-2(lines 915 921) no Hoare annotation was computed. [2021-08-26 08:45:23,069 INFO L857 garLoopResultBuilder]: For program point L915-4(lines 915 921) no Hoare annotation was computed. [2021-08-26 08:45:23,069 INFO L853 garLoopResultBuilder]: At program point L899(lines 533 539) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-26 08:45:23,070 INFO L853 garLoopResultBuilder]: At program point L899-1(lines 533 539) the Hoare annotation is: false [2021-08-26 08:45:23,070 INFO L853 garLoopResultBuilder]: At program point L899-2(lines 533 539) the Hoare annotation is: false [2021-08-26 08:45:23,070 INFO L857 garLoopResultBuilder]: For program point L800(lines 800 804) no Hoare annotation was computed. [2021-08-26 08:45:23,070 INFO L857 garLoopResultBuilder]: For program point L800-3(lines 800 804) no Hoare annotation was computed. [2021-08-26 08:45:23,070 INFO L853 garLoopResultBuilder]: At program point L635(lines 630 638) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-26 08:45:23,070 INFO L853 garLoopResultBuilder]: At program point L635-1(lines 630 638) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-26 08:45:23,070 INFO L857 garLoopResultBuilder]: For program point L800-6(lines 800 804) no Hoare annotation was computed. [2021-08-26 08:45:23,071 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 577) no Hoare annotation was computed. [2021-08-26 08:45:23,071 INFO L853 garLoopResultBuilder]: At program point L635-2(lines 630 638) the Hoare annotation is: false [2021-08-26 08:45:23,071 INFO L857 garLoopResultBuilder]: For program point L569-1(lines 569 577) no Hoare annotation was computed. [2021-08-26 08:45:23,071 INFO L853 garLoopResultBuilder]: At program point L635-3(lines 630 638) the Hoare annotation is: false [2021-08-26 08:45:23,071 INFO L853 garLoopResultBuilder]: At program point L635-4(lines 630 638) the Hoare annotation is: false [2021-08-26 08:45:23,071 INFO L857 garLoopResultBuilder]: For program point L569-2(lines 569 577) no Hoare annotation was computed. [2021-08-26 08:45:23,072 INFO L853 garLoopResultBuilder]: At program point L635-5(lines 630 638) the Hoare annotation is: false [2021-08-26 08:45:23,072 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:45:23,072 INFO L857 garLoopResultBuilder]: For program point L702(lines 701 748) no Hoare annotation was computed. [2021-08-26 08:45:23,072 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-08-26 08:45:23,072 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 58 62) no Hoare annotation was computed. [2021-08-26 08:45:23,072 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2021-08-26 08:45:23,073 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-26 08:45:23,073 INFO L853 garLoopResultBuilder]: At program point L869(lines 864 872) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-26 08:45:23,073 INFO L853 garLoopResultBuilder]: At program point L869-1(lines 864 872) the Hoare annotation is: false [2021-08-26 08:45:23,073 INFO L853 garLoopResultBuilder]: At program point L869-2(lines 864 872) the Hoare annotation is: false [2021-08-26 08:45:23,073 INFO L857 garLoopResultBuilder]: For program point L737(lines 737 743) no Hoare annotation was computed. [2021-08-26 08:45:23,073 INFO L853 garLoopResultBuilder]: At program point L737-1(lines 737 743) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:45:23,073 INFO L857 garLoopResultBuilder]: For program point L721(lines 721 727) no Hoare annotation was computed. [2021-08-26 08:45:23,074 INFO L853 garLoopResultBuilder]: At program point L721-1(lines 721 727) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)))) [2021-08-26 08:45:23,074 INFO L860 garLoopResultBuilder]: At program point L143(lines 124 146) the Hoare annotation is: true [2021-08-26 08:45:23,074 INFO L853 garLoopResultBuilder]: At program point L837(lines 832 840) the Hoare annotation is: false [2021-08-26 08:45:23,074 INFO L853 garLoopResultBuilder]: At program point L837-1(lines 832 840) the Hoare annotation is: false [2021-08-26 08:45:23,074 INFO L853 garLoopResultBuilder]: At program point L837-2(lines 832 840) the Hoare annotation is: false [2021-08-26 08:45:23,088 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:45:23,089 INFO L853 garLoopResultBuilder]: At program point L540(lines 540 546) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-26 08:45:23,089 INFO L853 garLoopResultBuilder]: At program point L540-1(lines 540 546) the Hoare annotation is: false [2021-08-26 08:45:23,089 INFO L853 garLoopResultBuilder]: At program point L540-2(lines 540 546) the Hoare annotation is: false [2021-08-26 08:45:23,089 INFO L853 garLoopResultBuilder]: At program point L788(lines 783 791) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2021-08-26 08:45:23,090 INFO L853 garLoopResultBuilder]: At program point L889(lines 884 891) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-08-26 08:45:23,090 INFO L857 garLoopResultBuilder]: For program point L824(lines 824 828) no Hoare annotation was computed. [2021-08-26 08:45:23,090 INFO L853 garLoopResultBuilder]: At program point L626(lines 619 629) the Hoare annotation is: false [2021-08-26 08:45:23,090 INFO L853 garLoopResultBuilder]: At program point L626-1(lines 619 629) the Hoare annotation is: false [2021-08-26 08:45:23,090 INFO L853 garLoopResultBuilder]: At program point L626-2(lines 619 629) the Hoare annotation is: false [2021-08-26 08:45:23,090 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:45:23,090 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-26 08:45:23,091 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2021-08-26 08:45:23,091 INFO L853 garLoopResultBuilder]: At program point L711-1(lines 711 717) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)))) [2021-08-26 08:45:23,091 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 927) no Hoare annotation was computed. [2021-08-26 08:45:23,091 INFO L853 garLoopResultBuilder]: At program point L910-1(lines 1 930) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)))) [2021-08-26 08:45:23,091 INFO L857 garLoopResultBuilder]: For program point L910-2(lines 910 927) no Hoare annotation was computed. [2021-08-26 08:45:23,091 INFO L853 garLoopResultBuilder]: At program point L910-3(lines 1 930) the Hoare annotation is: false [2021-08-26 08:45:23,092 INFO L857 garLoopResultBuilder]: For program point L910-4(lines 910 927) no Hoare annotation was computed. [2021-08-26 08:45:23,092 INFO L853 garLoopResultBuilder]: At program point L910-5(lines 1 930) the Hoare annotation is: false [2021-08-26 08:45:23,092 INFO L857 garLoopResultBuilder]: For program point L679(lines 679 685) no Hoare annotation was computed. [2021-08-26 08:45:23,092 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 141) no Hoare annotation was computed. [2021-08-26 08:45:23,092 INFO L853 garLoopResultBuilder]: At program point L679-1(lines 679 685) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:45:23,092 INFO L860 garLoopResultBuilder]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2021-08-26 08:45:23,096 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:45:23,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:45:23 BoogieIcfgContainer [2021-08-26 08:45:23,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:45:23,121 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:45:23,121 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:45:23,121 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:45:23,122 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:21" (3/4) ... [2021-08-26 08:45:23,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:45:23,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:45:23,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:45:23,147 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:45:23,147 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:45:23,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:45:23,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:23,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:23,168 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == systemActive) && 1 == systemActive [2021-08-26 08:45:23,168 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == systemActive) && 1 == systemActive) && tmp == systemActive [2021-08-26 08:45:23,169 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == systemActive) && 1 == systemActive) && tmp == systemActive [2021-08-26 08:45:23,169 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && !(0 == systemActive)) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) [2021-08-26 08:45:23,169 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && !(0 == systemActive)) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) [2021-08-26 08:45:23,170 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && !(0 == systemActive)) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) [2021-08-26 08:45:23,171 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-26 08:45:23,172 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-26 08:45:23,172 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-26 08:45:23,172 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-26 08:45:23,173 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-26 08:45:23,174 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-26 08:45:23,219 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:45:23,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:45:23,221 INFO L168 Benchmark]: Toolchain (without parser) took 3328.26 ms. Allocated memory was 56.6 MB in the beginning and 92.3 MB in the end (delta: 35.7 MB). Free memory was 34.1 MB in the beginning and 54.7 MB in the end (delta: -20.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:23,221 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 56.6 MB. Free memory was 38.5 MB in the beginning and 38.4 MB in the end (delta: 50.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:45:23,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.63 ms. Allocated memory is still 56.6 MB. Free memory was 33.9 MB in the beginning and 32.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:23,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.43 ms. Allocated memory is still 56.6 MB. Free memory was 32.8 MB in the beginning and 29.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:23,222 INFO L168 Benchmark]: Boogie Preprocessor took 56.89 ms. Allocated memory is still 56.6 MB. Free memory was 29.7 MB in the beginning and 27.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:23,225 INFO L168 Benchmark]: RCFGBuilder took 953.42 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 27.5 MB in the beginning and 37.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:23,225 INFO L168 Benchmark]: TraceAbstraction took 1733.53 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 37.3 MB in the beginning and 61.8 MB in the end (delta: -24.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:23,226 INFO L168 Benchmark]: Witness Printer took 98.14 ms. Allocated memory is still 92.3 MB. Free memory was 61.8 MB in the beginning and 54.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:23,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 56.6 MB. Free memory was 38.5 MB in the beginning and 38.4 MB in the end (delta: 50.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 383.63 ms. Allocated memory is still 56.6 MB. Free memory was 33.9 MB in the beginning and 32.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.43 ms. Allocated memory is still 56.6 MB. Free memory was 32.8 MB in the beginning and 29.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.89 ms. Allocated memory is still 56.6 MB. Free memory was 29.7 MB in the beginning and 27.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 953.42 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 27.5 MB in the beginning and 37.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1733.53 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 37.3 MB in the beginning and 61.8 MB in the end (delta: -24.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. * Witness Printer took 98.14 ms. Allocated memory is still 92.3 MB. Free memory was 61.8 MB in the beginning and 54.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: 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, 80 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1652.6ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 16.9ms, AutomataDifference: 387.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 437.8ms, InitialAbstractionConstructionTime: 9.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 277 SDtfs, 281 SDslu, 343 SDs, 0 SdLazy, 47 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 156.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 112.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 54.8ms AutomataMinimizationTime, 4 MinimizatonAttempts, 34 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 85 NumberOfFragments, 207 HoareAnnotationTreeSize, 39 FomulaSimplifications, 783 FormulaSimplificationTreeSizeReduction, 72.0ms HoareSimplificationTime, 39 FomulaSimplificationsInter, 45 FormulaSimplificationTreeSizeReductionInter, 355.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 25.6ms SsaConstructionTime, 194.7ms SatisfiabilityAnalysisTime, 346.4ms InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == systemActive) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && !(0 == systemActive)) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && !(0 == systemActive)) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == systemActive) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && !(0 == systemActive)) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:45:23,289 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...