./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-token-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-token-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d66a07d2a90ded112831066684eab385c0c1369 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:11,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:11,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:11,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:11,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:11,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:11,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:11,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:11,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:11,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:11,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:11,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:11,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:11,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:11,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:11,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:11,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:11,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:11,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:11,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:11,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:11,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:11,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:11,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:11,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:11,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:11,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:11,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:11,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:11,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:11,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:11,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:11,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:11,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:11,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:11,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:11,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:11,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:11,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:11,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:11,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:11,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:11,691 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:11,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:11,692 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:11,692 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:11,693 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:11,693 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:11,693 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:11,693 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:11,694 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:11,694 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:11,694 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:11,694 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:11,695 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:11,695 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:11,695 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:11,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:11,696 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:11,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:11,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:11,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:11,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:11,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:11,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:11,698 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:11,698 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:11,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:11,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:11,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:11,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:11,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:11,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:11,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:11,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:11,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:11,701 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:11,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:11,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:11,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:11,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:11,702 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d66a07d2a90ded112831066684eab385c0c1369 [2021-10-11 02:28:11,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:11,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:11,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:11,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:11,967 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:11,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/forester-heap/dll-token-2.i [2021-10-11 02:28:12,065 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI/data/69546da55/835513c06935437ba46f0876869755cc/FLAG386023b4f [2021-10-11 02:28:12,616 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:12,617 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/sv-benchmarks/c/forester-heap/dll-token-2.i [2021-10-11 02:28:12,639 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI/data/69546da55/835513c06935437ba46f0876869755cc/FLAG386023b4f [2021-10-11 02:28:12,885 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI/data/69546da55/835513c06935437ba46f0876869755cc [2021-10-11 02:28:12,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:12,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:12,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:12,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:12,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:12,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:12" (1/1) ... [2021-10-11 02:28:12,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d5fc15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:12, skipping insertion in model container [2021-10-11 02:28:12,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:12" (1/1) ... [2021-10-11 02:28:12,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:12,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:13,312 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/sv-benchmarks/c/forester-heap/dll-token-2.i[22229,22242] [2021-10-11 02:28:13,329 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/sv-benchmarks/c/forester-heap/dll-token-2.i[22398,22411] [2021-10-11 02:28:13,331 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/sv-benchmarks/c/forester-heap/dll-token-2.i[22489,22502] [2021-10-11 02:28:13,333 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/sv-benchmarks/c/forester-heap/dll-token-2.i[22571,22584] [2021-10-11 02:28:13,334 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/sv-benchmarks/c/forester-heap/dll-token-2.i[22649,22662] [2021-10-11 02:28:13,336 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/sv-benchmarks/c/forester-heap/dll-token-2.i[22795,22808] [2021-10-11 02:28:13,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:13,357 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:13,389 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/sv-benchmarks/c/forester-heap/dll-token-2.i[22229,22242] [2021-10-11 02:28:13,391 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/sv-benchmarks/c/forester-heap/dll-token-2.i[22398,22411] [2021-10-11 02:28:13,392 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/sv-benchmarks/c/forester-heap/dll-token-2.i[22489,22502] [2021-10-11 02:28:13,393 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/sv-benchmarks/c/forester-heap/dll-token-2.i[22571,22584] [2021-10-11 02:28:13,394 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/sv-benchmarks/c/forester-heap/dll-token-2.i[22649,22662] [2021-10-11 02:28:13,395 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/sv-benchmarks/c/forester-heap/dll-token-2.i[22795,22808] [2021-10-11 02:28:13,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:13,445 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:13,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:13 WrapperNode [2021-10-11 02:28:13,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:13,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:13,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:13,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:13,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:13" (1/1) ... [2021-10-11 02:28:13,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:13" (1/1) ... [2021-10-11 02:28:13,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:13,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:13,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:13,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:13,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:13" (1/1) ... [2021-10-11 02:28:13,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:13" (1/1) ... [2021-10-11 02:28:13,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:13" (1/1) ... [2021-10-11 02:28:13,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:13" (1/1) ... [2021-10-11 02:28:13,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:13" (1/1) ... [2021-10-11 02:28:13,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:13" (1/1) ... [2021-10-11 02:28:13,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:13" (1/1) ... [2021-10-11 02:28:13,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:13,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:13,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:13,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:13,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:13" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:28:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:28:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:28:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-11 02:28:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-11 02:28:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:28:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:28:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:14,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:14,179 INFO L299 CfgBuilder]: Removed 19 assume(true) statements. [2021-10-11 02:28:14,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:14 BoogieIcfgContainer [2021-10-11 02:28:14,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:14,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:14,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:14,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:14,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:12" (1/3) ... [2021-10-11 02:28:14,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30bad890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:14, skipping insertion in model container [2021-10-11 02:28:14,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:13" (2/3) ... [2021-10-11 02:28:14,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30bad890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:14, skipping insertion in model container [2021-10-11 02:28:14,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:14" (3/3) ... [2021-10-11 02:28:14,206 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-token-2.i [2021-10-11 02:28:14,220 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:14,226 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-10-11 02:28:14,238 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-11 02:28:14,278 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:14,278 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:14,279 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:14,279 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:14,279 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:14,279 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:14,279 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:14,279 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:14,293 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2021-10-11 02:28:14,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 02:28:14,299 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:14,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 02:28:14,300 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:14,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:14,305 INFO L82 PathProgramCache]: Analyzing trace with hash 176456257, now seen corresponding path program 1 times [2021-10-11 02:28:14,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:14,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871372100] [2021-10-11 02:28:14,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:14,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:14,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871372100] [2021-10-11 02:28:14,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:14,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:14,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433287897] [2021-10-11 02:28:14,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:28:14,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:14,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:28:14,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:14,482 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2021-10-11 02:28:14,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:14,501 INFO L93 Difference]: Finished difference Result 81 states and 127 transitions. [2021-10-11 02:28:14,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:28:14,502 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2021-10-11 02:28:14,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:14,511 INFO L225 Difference]: With dead ends: 81 [2021-10-11 02:28:14,511 INFO L226 Difference]: Without dead ends: 38 [2021-10-11 02:28:14,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:14,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-11 02:28:14,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-11 02:28:14,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-10-11 02:28:14,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2021-10-11 02:28:14,546 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 5 [2021-10-11 02:28:14,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:14,546 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2021-10-11 02:28:14,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:28:14,547 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2021-10-11 02:28:14,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 02:28:14,547 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:14,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 02:28:14,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:28:14,549 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:14,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:14,552 INFO L82 PathProgramCache]: Analyzing trace with hash 175689636, now seen corresponding path program 1 times [2021-10-11 02:28:14,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:14,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789584377] [2021-10-11 02:28:14,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:14,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:14,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789584377] [2021-10-11 02:28:14,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:14,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:14,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954366666] [2021-10-11 02:28:14,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:14,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:14,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:14,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:14,671 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand 4 states. [2021-10-11 02:28:14,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:14,745 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2021-10-11 02:28:14,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:14,746 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2021-10-11 02:28:14,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:14,746 INFO L225 Difference]: With dead ends: 38 [2021-10-11 02:28:14,747 INFO L226 Difference]: Without dead ends: 36 [2021-10-11 02:28:14,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:14,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-11 02:28:14,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-11 02:28:14,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-10-11 02:28:14,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2021-10-11 02:28:14,753 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 5 [2021-10-11 02:28:14,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:14,753 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2021-10-11 02:28:14,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2021-10-11 02:28:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 02:28:14,754 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:14,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 02:28:14,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:28:14,755 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:14,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:14,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1151367906, now seen corresponding path program 1 times [2021-10-11 02:28:14,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:14,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373406814] [2021-10-11 02:28:14,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:14,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:14,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373406814] [2021-10-11 02:28:14,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:14,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:14,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148593726] [2021-10-11 02:28:14,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:14,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:14,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:14,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:14,851 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 4 states. [2021-10-11 02:28:14,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:14,978 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2021-10-11 02:28:14,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:28:14,981 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2021-10-11 02:28:14,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:14,982 INFO L225 Difference]: With dead ends: 62 [2021-10-11 02:28:14,982 INFO L226 Difference]: Without dead ends: 60 [2021-10-11 02:28:14,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:14,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-11 02:28:14,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 34. [2021-10-11 02:28:14,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-10-11 02:28:14,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2021-10-11 02:28:14,988 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 6 [2021-10-11 02:28:14,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:14,989 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2021-10-11 02:28:14,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2021-10-11 02:28:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:28:14,989 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:14,990 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:14,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 02:28:14,990 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:14,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:14,991 INFO L82 PathProgramCache]: Analyzing trace with hash 855581616, now seen corresponding path program 1 times [2021-10-11 02:28:14,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:14,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069898736] [2021-10-11 02:28:14,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:15,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:15,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069898736] [2021-10-11 02:28:15,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:15,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:15,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425980198] [2021-10-11 02:28:15,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:15,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:15,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:15,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:15,089 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 5 states. [2021-10-11 02:28:15,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:15,193 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2021-10-11 02:28:15,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:28:15,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-10-11 02:28:15,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:15,194 INFO L225 Difference]: With dead ends: 34 [2021-10-11 02:28:15,194 INFO L226 Difference]: Without dead ends: 32 [2021-10-11 02:28:15,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:28:15,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-10-11 02:28:15,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-10-11 02:28:15,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-10-11 02:28:15,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2021-10-11 02:28:15,210 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 11 [2021-10-11 02:28:15,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:15,210 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2021-10-11 02:28:15,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:15,211 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2021-10-11 02:28:15,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:28:15,211 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:15,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:15,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 02:28:15,212 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:15,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:15,212 INFO L82 PathProgramCache]: Analyzing trace with hash 855619352, now seen corresponding path program 1 times [2021-10-11 02:28:15,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:15,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299122536] [2021-10-11 02:28:15,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:15,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:15,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299122536] [2021-10-11 02:28:15,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:15,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:15,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780239647] [2021-10-11 02:28:15,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:15,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:28:15,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:15,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:15,406 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 5 states. [2021-10-11 02:28:15,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:15,563 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2021-10-11 02:28:15,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:28:15,563 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-10-11 02:28:15,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:15,564 INFO L225 Difference]: With dead ends: 67 [2021-10-11 02:28:15,564 INFO L226 Difference]: Without dead ends: 43 [2021-10-11 02:28:15,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:28:15,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-11 02:28:15,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2021-10-11 02:28:15,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-10-11 02:28:15,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2021-10-11 02:28:15,578 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 11 [2021-10-11 02:28:15,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:15,578 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2021-10-11 02:28:15,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:15,579 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2021-10-11 02:28:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-11 02:28:15,579 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:15,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:15,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 02:28:15,580 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:15,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:15,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1714666408, now seen corresponding path program 1 times [2021-10-11 02:28:15,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:28:15,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014806032] [2021-10-11 02:28:15,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:28:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:15,623 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:28:15,652 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:28:15,686 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:28:15,686 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:28:15,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 02:28:15,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:15 BoogieIcfgContainer [2021-10-11 02:28:15,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:15,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:15,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:15,742 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:15,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:14" (3/4) ... [2021-10-11 02:28:15,744 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:28:15,805 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f103909-de03-45a0-a2fa-421187c11a8b/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:15,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:15,810 INFO L168 Benchmark]: Toolchain (without parser) took 2919.29 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 59.0 MB in the beginning and 93.1 MB in the end (delta: -34.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:15,811 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory was 46.9 MB in the beginning and 46.9 MB in the end (delta: 38.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:15,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.89 ms. Allocated memory is still 92.3 MB. Free memory was 58.8 MB in the beginning and 56.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:15,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.46 ms. Allocated memory is still 92.3 MB. Free memory was 56.2 MB in the beginning and 54.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:15,813 INFO L168 Benchmark]: Boogie Preprocessor took 54.65 ms. Allocated memory is still 92.3 MB. Free memory was 54.2 MB in the beginning and 52.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:15,813 INFO L168 Benchmark]: RCFGBuilder took 611.35 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 52.4 MB in the beginning and 86.7 MB in the end (delta: -34.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:15,813 INFO L168 Benchmark]: TraceAbstraction took 1557.02 ms. Allocated memory is still 119.5 MB. Free memory was 86.7 MB in the beginning and 95.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:15,817 INFO L168 Benchmark]: Witness Printer took 67.13 ms. Allocated memory is still 119.5 MB. Free memory was 95.2 MB in the beginning and 93.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:15,820 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory was 46.9 MB in the beginning and 46.9 MB in the end (delta: 38.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 555.89 ms. Allocated memory is still 92.3 MB. Free memory was 58.8 MB in the beginning and 56.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.46 ms. Allocated memory is still 92.3 MB. Free memory was 56.2 MB in the beginning and 54.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.65 ms. Allocated memory is still 92.3 MB. Free memory was 54.2 MB in the beginning and 52.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 611.35 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 52.4 MB in the beginning and 86.7 MB in the end (delta: -34.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1557.02 ms. Allocated memory is still 119.5 MB. Free memory was 86.7 MB in the beginning and 95.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. * Witness Printer took 67.13 ms. Allocated memory is still 119.5 MB. Free memory was 95.2 MB in the beginning and 93.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1037]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1004] SLL* head = malloc(sizeof(SLL)); [L1005] head->next = ((void*)0) [L1006] head->prev = ((void*)0) [L1007] head->data = 0 [L1009] SLL* x = head; [L1012] COND FALSE !(__VERIFIER_nondet_int()) [L1021] x->data = 1 [L1022] x->next = malloc(sizeof(SLL)) [L1023] EXPR x->next [L1023] x->next->prev = x [L1024] EXPR x->next [L1024] x->next->data = 2 [L1026] x = head [L1028] COND FALSE !(!(((void*)0) != x)) [L1030] EXPR x->data [L1030] COND FALSE !(1 != x->data) [L1035] EXPR x->data [L1035] COND FALSE !(!(1 == x->data)) [L1036] EXPR x->next [L1036] x = x->next [L1037] EXPR x->data [L1037] COND TRUE !(2 != x->data) [L1037] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 157 SDtfs, 91 SDslu, 174 SDs, 0 SdLazy, 147 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1381 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...