./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product01.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 2db56498d5efee7ebbfc800217bb7d691cfe36ed ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:16:03,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:16:03,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:16:03,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:16:03,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:16:03,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:16:03,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:16:03,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:16:03,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:16:03,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:16:03,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:16:03,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:16:03,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:16:03,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:16:03,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:16:03,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:16:03,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:16:03,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:16:03,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:16:03,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:16:03,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:16:03,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:16:03,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:16:03,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:16:03,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:16:03,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:16:03,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:16:03,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:16:03,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:16:03,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:16:03,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:16:03,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:16:03,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:16:03,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:16:03,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:16:03,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:16:03,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:16:03,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:16:03,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:16:03,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:16:03,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:16:03,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:16:03,276 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:16:03,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:16:03,277 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:16:03,277 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:16:03,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:16:03,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:16:03,278 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:16:03,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:16:03,279 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:16:03,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:16:03,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:16:03,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:16:03,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:16:03,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:16:03,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:16:03,280 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:16:03,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:16:03,280 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:16:03,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:16:03,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:16:03,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:16:03,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:16:03,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:03,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:16:03,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:16:03,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:16:03,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:16:03,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:16:03,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:16:03,283 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:16:03,283 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2db56498d5efee7ebbfc800217bb7d691cfe36ed [2021-08-29 16:16:03,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:16:03,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:16:03,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:16:03,525 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:16:03,525 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:16:03,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-08-29 16:16:03,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be8a5b859/1ba2b1662d074ec1b2c1000d1ce18577/FLAG6cf3a06b3 [2021-08-29 16:16:03,946 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:16:03,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-08-29 16:16:03,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be8a5b859/1ba2b1662d074ec1b2c1000d1ce18577/FLAG6cf3a06b3 [2021-08-29 16:16:03,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be8a5b859/1ba2b1662d074ec1b2c1000d1ce18577 [2021-08-29 16:16:03,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:16:03,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:16:03,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:03,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:16:03,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:16:03,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:03" (1/1) ... [2021-08-29 16:16:03,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7e290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:03, skipping insertion in model container [2021-08-29 16:16:03,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:03" (1/1) ... [2021-08-29 16:16:03,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:16:04,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:16:04,109 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1281,1294] [2021-08-29 16:16:04,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:04,249 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:16:04,261 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1281,1294] [2021-08-29 16:16:04,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:04,327 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:16:04,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:04 WrapperNode [2021-08-29 16:16:04,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:04,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:04,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:16:04,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:16:04,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:04" (1/1) ... [2021-08-29 16:16:04,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:04" (1/1) ... [2021-08-29 16:16:04,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:04,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:16:04,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:16:04,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:16:04,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:04" (1/1) ... [2021-08-29 16:16:04,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:04" (1/1) ... [2021-08-29 16:16:04,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:04" (1/1) ... [2021-08-29 16:16:04,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:04" (1/1) ... [2021-08-29 16:16:04,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:04" (1/1) ... [2021-08-29 16:16:04,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:04" (1/1) ... [2021-08-29 16:16:04,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:04" (1/1) ... [2021-08-29 16:16:04,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:16:04,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:16:04,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:16:04,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:16:04,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:04" (1/1) ... [2021-08-29 16:16:04,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:04,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:04,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 16:16:04,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 16:16:04,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:16:04,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:16:04,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:16:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:16:04,858 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:16:04,863 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-08-29 16:16:04,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:04 BoogieIcfgContainer [2021-08-29 16:16:04,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:16:04,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:16:04,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:16:04,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:16:04,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:16:03" (1/3) ... [2021-08-29 16:16:04,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f694f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:04, skipping insertion in model container [2021-08-29 16:16:04,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:04" (2/3) ... [2021-08-29 16:16:04,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f694f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:04, skipping insertion in model container [2021-08-29 16:16:04,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:04" (3/3) ... [2021-08-29 16:16:04,870 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2021-08-29 16:16:04,876 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:16:04,876 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:16:04,911 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:16:04,915 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 16:16:04,915 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:16:04,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 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) [2021-08-29 16:16:04,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 16:16:04,928 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:04,928 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:04,928 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:04,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:04,932 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2021-08-29 16:16:04,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:04,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454273389] [2021-08-29 16:16:04,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:04,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:05,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:05,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:05,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454273389] [2021-08-29 16:16:05,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454273389] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:05,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:05,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:05,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742471856] [2021-08-29 16:16:05,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:16:05,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:05,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:16:05,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:05,172 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 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) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:05,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:05,304 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-08-29 16:16:05,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:16:05,306 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-08-29 16:16:05,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:05,311 INFO L225 Difference]: With dead ends: 108 [2021-08-29 16:16:05,311 INFO L226 Difference]: Without dead ends: 53 [2021-08-29 16:16:05,313 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:05,316 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.76ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 111.40ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:05,317 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 77 Unknown, 0 Unchecked, 0.76ms Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 111.40ms Time] [2021-08-29 16:16:05,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-29 16:16:05,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-29 16:16:05,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.44) internal successors, (72), 52 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-08-29 16:16:05,348 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-08-29 16:16:05,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:05,348 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-08-29 16:16:05,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:05,348 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-08-29 16:16:05,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 16:16:05,349 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:05,349 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:05,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:16:05,350 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:05,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:05,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2021-08-29 16:16:05,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:05,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415708323] [2021-08-29 16:16:05,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:05,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:05,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:05,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:05,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415708323] [2021-08-29 16:16:05,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415708323] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:05,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:05,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:16:05,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252945878] [2021-08-29 16:16:05,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:05,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:05,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:05,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:05,472 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:05,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:05,549 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-08-29 16:16:05,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:05,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-08-29 16:16:05,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:05,550 INFO L225 Difference]: With dead ends: 53 [2021-08-29 16:16:05,550 INFO L226 Difference]: Without dead ends: 27 [2021-08-29 16:16:05,551 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.20ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:05,552 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 30 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.09ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.89ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:05,552 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 0 Invalid, 42 Unknown, 0 Unchecked, 1.09ms Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 67.89ms Time] [2021-08-29 16:16:05,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-08-29 16:16:05,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-08-29 16:16:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:05,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-08-29 16:16:05,555 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-08-29 16:16:05,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:05,555 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-08-29 16:16:05,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:05,555 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-08-29 16:16:05,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-29 16:16:05,556 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:05,556 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:05,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:16:05,556 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:05,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:05,556 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2021-08-29 16:16:05,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:05,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384158815] [2021-08-29 16:16:05,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:05,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:05,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:05,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:05,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384158815] [2021-08-29 16:16:05,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384158815] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:05,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:05,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-29 16:16:05,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973695261] [2021-08-29 16:16:05,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 16:16:05,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:05,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 16:16:05,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:16:05,655 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:06,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:06,054 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2021-08-29 16:16:06,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-29 16:16:06,055 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-08-29 16:16:06,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:06,060 INFO L225 Difference]: With dead ends: 142 [2021-08-29 16:16:06,060 INFO L226 Difference]: Without dead ends: 121 [2021-08-29 16:16:06,061 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 96.22ms TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-08-29 16:16:06,066 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 217 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 230.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.25ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 298.14ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:06,067 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 0 Invalid, 387 Unknown, 0 Unchecked, 6.25ms Time], IncrementalHoareTripleChecker [15 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 298.14ms Time] [2021-08-29 16:16:06,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-08-29 16:16:06,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2021-08-29 16:16:06,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4406779661016949) internal successors, (85), 59 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:06,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2021-08-29 16:16:06,082 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2021-08-29 16:16:06,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:06,083 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2021-08-29 16:16:06,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2021-08-29 16:16:06,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 16:16:06,084 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:06,084 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:06,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:16:06,084 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:06,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:06,085 INFO L82 PathProgramCache]: Analyzing trace with hash 444418065, now seen corresponding path program 1 times [2021-08-29 16:16:06,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:06,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262066215] [2021-08-29 16:16:06,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:06,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:06,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:06,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:06,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262066215] [2021-08-29 16:16:06,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262066215] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:06,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:06,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:06,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561300107] [2021-08-29 16:16:06,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:06,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:06,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:06,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:06,114 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:06,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:06,171 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2021-08-29 16:16:06,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:06,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-08-29 16:16:06,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:06,172 INFO L225 Difference]: With dead ends: 95 [2021-08-29 16:16:06,172 INFO L226 Difference]: Without dead ends: 57 [2021-08-29 16:16:06,173 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:06,180 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.19ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.10ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:06,181 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 0 Invalid, 34 Unknown, 0 Unchecked, 0.19ms Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 47.10ms Time] [2021-08-29 16:16:06,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-08-29 16:16:06,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-08-29 16:16:06,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.375) internal successors, (77), 56 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:06,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2021-08-29 16:16:06,188 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2021-08-29 16:16:06,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:06,188 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2021-08-29 16:16:06,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:06,188 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2021-08-29 16:16:06,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-08-29 16:16:06,189 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:06,189 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:06,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:16:06,189 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:06,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:06,190 INFO L82 PathProgramCache]: Analyzing trace with hash 587810131, now seen corresponding path program 1 times [2021-08-29 16:16:06,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:06,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752791082] [2021-08-29 16:16:06,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:06,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:06,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:06,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752791082] [2021-08-29 16:16:06,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752791082] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:16:06,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170767253] [2021-08-29 16:16:06,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:06,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:16:06,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:06,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:16:06,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 16:16:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:06,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 16:16:06,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:16:06,486 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:06,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 16:16:06,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170767253] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:06,487 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 16:16:06,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-08-29 16:16:06,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98083128] [2021-08-29 16:16:06,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:16:06,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:06,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:16:06,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:06,488 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:06,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:06,608 INFO L93 Difference]: Finished difference Result 73 states and 100 transitions. [2021-08-29 16:16:06,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 16:16:06,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2021-08-29 16:16:06,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:06,610 INFO L225 Difference]: With dead ends: 73 [2021-08-29 16:16:06,610 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:16:06,610 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.37ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:06,611 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 27 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.42ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 115.47ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:06,611 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 0 Invalid, 78 Unknown, 0 Unchecked, 0.42ms Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 115.47ms Time] [2021-08-29 16:16:06,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:16:06,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:16:06,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:06,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:16:06,611 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-08-29 16:16:06,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:06,612 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:16:06,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:16:06,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:16:06,614 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:16:06,614 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:16:06,614 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:16:06,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 16:16:06,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:16:06,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:16:06,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:06,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:07,110 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-08-29 16:16:07,111 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-29 16:16:07,111 INFO L858 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2021-08-29 16:16:07,111 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 354) no Hoare annotation was computed. [2021-08-29 16:16:07,111 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:16:07,111 INFO L858 garLoopResultBuilder]: For program point L350-2(lines 204 210) no Hoare annotation was computed. [2021-08-29 16:16:07,111 INFO L861 garLoopResultBuilder]: At program point L185(lines 166 188) the Hoare annotation is: true [2021-08-29 16:16:07,111 INFO L854 garLoopResultBuilder]: At program point L152(lines 148 154) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)) [2021-08-29 16:16:07,111 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 404) no Hoare annotation was computed. [2021-08-29 16:16:07,112 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-08-29 16:16:07,112 INFO L854 garLoopResultBuilder]: At program point L334-1(lines 334 340) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-08-29 16:16:07,112 INFO L854 garLoopResultBuilder]: At program point L204(lines 203 222) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-08-29 16:16:07,112 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 204 210) no Hoare annotation was computed. [2021-08-29 16:16:07,112 INFO L854 garLoopResultBuilder]: At program point L204-2(lines 203 222) the Hoare annotation is: false [2021-08-29 16:16:07,112 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-08-29 16:16:07,112 INFO L854 garLoopResultBuilder]: At program point L204-3(lines 203 222) the Hoare annotation is: false [2021-08-29 16:16:07,112 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 204 210) no Hoare annotation was computed. [2021-08-29 16:16:07,112 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 392) no Hoare annotation was computed. [2021-08-29 16:16:07,112 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:16:07,113 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-29 16:16:07,113 INFO L854 garLoopResultBuilder]: At program point L76(lines 1 840) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1)) [2021-08-29 16:16:07,113 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-08-29 16:16:07,113 INFO L854 garLoopResultBuilder]: At program point L324-1(lines 324 330) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-08-29 16:16:07,113 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 183) no Hoare annotation was computed. [2021-08-29 16:16:07,113 INFO L861 garLoopResultBuilder]: At program point L176-1(lines 176 183) the Hoare annotation is: true [2021-08-29 16:16:07,113 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:16:07,113 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 471) no Hoare annotation was computed. [2021-08-29 16:16:07,113 INFO L854 garLoopResultBuilder]: At program point L458-1(lines 1 840) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~2 0))) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-08-29 16:16:07,113 INFO L858 garLoopResultBuilder]: For program point L458-2(lines 458 471) no Hoare annotation was computed. [2021-08-29 16:16:07,113 INFO L854 garLoopResultBuilder]: At program point L458-3(lines 1 840) the Hoare annotation is: false [2021-08-29 16:16:07,113 INFO L858 garLoopResultBuilder]: For program point L458-4(lines 458 471) no Hoare annotation was computed. [2021-08-29 16:16:07,114 INFO L854 garLoopResultBuilder]: At program point L458-5(lines 1 840) the Hoare annotation is: false [2021-08-29 16:16:07,114 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2021-08-29 16:16:07,114 INFO L858 garLoopResultBuilder]: For program point L376-3(lines 376 380) no Hoare annotation was computed. [2021-08-29 16:16:07,114 INFO L854 garLoopResultBuilder]: At program point L211(lines 211 217) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-08-29 16:16:07,114 INFO L854 garLoopResultBuilder]: At program point L211-1(lines 211 217) the Hoare annotation is: false [2021-08-29 16:16:07,114 INFO L858 garLoopResultBuilder]: For program point L376-6(lines 376 380) no Hoare annotation was computed. [2021-08-29 16:16:07,114 INFO L854 garLoopResultBuilder]: At program point L211-2(lines 211 217) the Hoare annotation is: false [2021-08-29 16:16:07,114 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-29 16:16:07,114 INFO L858 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-08-29 16:16:07,114 INFO L858 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-08-29 16:16:07,114 INFO L854 garLoopResultBuilder]: At program point L360(lines 313 361) the Hoare annotation is: false [2021-08-29 16:16:07,114 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 355) no Hoare annotation was computed. [2021-08-29 16:16:07,114 INFO L854 garLoopResultBuilder]: At program point L263(lines 258 266) the Hoare annotation is: false [2021-08-29 16:16:07,114 INFO L854 garLoopResultBuilder]: At program point L263-1(lines 258 266) the Hoare annotation is: false [2021-08-29 16:16:07,114 INFO L854 garLoopResultBuilder]: At program point L263-2(lines 258 266) the Hoare annotation is: false [2021-08-29 16:16:07,115 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:16:07,115 INFO L854 garLoopResultBuilder]: At program point L445(lines 440 448) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-08-29 16:16:07,115 INFO L854 garLoopResultBuilder]: At program point L445-1(lines 440 448) the Hoare annotation is: false [2021-08-29 16:16:07,115 INFO L854 garLoopResultBuilder]: At program point L445-2(lines 440 448) the Hoare annotation is: false [2021-08-29 16:16:07,115 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-29 16:16:07,115 INFO L858 garLoopResultBuilder]: For program point L462(lines 462 468) no Hoare annotation was computed. [2021-08-29 16:16:07,115 INFO L858 garLoopResultBuilder]: For program point L462-2(lines 462 468) no Hoare annotation was computed. [2021-08-29 16:16:07,115 INFO L858 garLoopResultBuilder]: For program point L462-4(lines 462 468) no Hoare annotation was computed. [2021-08-29 16:16:07,115 INFO L858 garLoopResultBuilder]: For program point L315(lines 314 359) no Hoare annotation was computed. [2021-08-29 16:16:07,115 INFO L854 garLoopResultBuilder]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~waterLevel~0 1)) [2021-08-29 16:16:07,115 INFO L854 garLoopResultBuilder]: At program point L101-2(lines 101 115) the Hoare annotation is: false [2021-08-29 16:16:07,119 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:16:07,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:16:07 BoogieIcfgContainer [2021-08-29 16:16:07,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:16:07,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:16:07,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:16:07,130 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:16:07,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:04" (3/4) ... [2021-08-29 16:16:07,138 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:16:07,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:16:07,147 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:16:07,147 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:16:07,147 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:16:07,147 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:16:07,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:07,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:07,163 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == waterLevel) && waterLevel == 1 [2021-08-29 16:16:07,163 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1 [2021-08-29 16:16:07,163 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(tmp == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-08-29 16:16:07,164 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-08-29 16:16:07,164 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-08-29 16:16:07,164 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-08-29 16:16:07,164 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-08-29 16:16:07,165 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) [2021-08-29 16:16:07,176 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:16:07,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:16:07,177 INFO L158 Benchmark]: Toolchain (without parser) took 3202.90ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 47.7MB in the beginning and 73.9MB in the end (delta: -26.2MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2021-08-29 16:16:07,177 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 67.1MB. Free memory was 50.1MB in the beginning and 50.1MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:16:07,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.17ms. Allocated memory is still 67.1MB. Free memory was 47.6MB in the beginning and 43.9MB in the end (delta: 3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 16:16:07,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.71ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 41.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:16:07,178 INFO L158 Benchmark]: Boogie Preprocessor took 42.51ms. Allocated memory is still 67.1MB. Free memory was 41.1MB in the beginning and 39.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:16:07,178 INFO L158 Benchmark]: RCFGBuilder took 422.27ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 39.2MB in the beginning and 40.3MB in the end (delta: -1.1MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2021-08-29 16:16:07,178 INFO L158 Benchmark]: TraceAbstraction took 2263.78ms. Allocated memory is still 81.8MB. Free memory was 39.9MB in the beginning and 26.1MB in the end (delta: 13.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-08-29 16:16:07,178 INFO L158 Benchmark]: Witness Printer took 46.48ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 26.1MB in the beginning and 73.9MB in the end (delta: -47.8MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2021-08-29 16:16:07,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 67.1MB. Free memory was 50.1MB in the beginning and 50.1MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.17ms. Allocated memory is still 67.1MB. Free memory was 47.6MB in the beginning and 43.9MB in the end (delta: 3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.71ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 41.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.51ms. Allocated memory is still 67.1MB. Free memory was 41.1MB in the beginning and 39.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.27ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 39.2MB in the beginning and 40.3MB in the end (delta: -1.1MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2263.78ms. Allocated memory is still 81.8MB. Free memory was 39.9MB in the beginning and 26.1MB in the end (delta: 13.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 46.48ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 26.1MB in the beginning and 73.9MB in the end (delta: -47.8MB). Peak memory consumption was 2.9MB. 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: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2208.99ms, OverallIterations: 5, TraceHistogramMax: 2, EmptinessCheckTime: 8.05ms, AutomataDifference: 854.11ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 275.51ms, InitialAbstractionConstructionTime: 6.45ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 294 SdHoareTripleChecker+Valid, 640.00ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 294 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 497.78ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 280 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 602 IncrementalHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 0 mSDtfsCounter, 602 mSolverCounterSat, 8.70ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 135.18ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 44.78ms AutomataMinimizationTime, 5 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 38 NumberOfFragments, 223 HoareAnnotationTreeSize, 24 FomulaSimplifications, 235 FormulaSimplificationTreeSizeReduction, 77.71ms HoareSimplificationTime, 24 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 188.88ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 32.48ms SsaConstructionTime, 161.75ms SatisfiabilityAnalysisTime, 430.20ms InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 370 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 23/28 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: 79]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == waterLevel) && waterLevel == 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(tmp == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && waterLevel == 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:16:07,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...