./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_cev_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_cev_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh --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 051ece8f000cdab9356f9251a0aa0a289bd1aeec26d65b2c9f5d450f1c7d9663 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 13:05:36,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:05:36,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:05:36,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:05:36,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:05:36,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:05:36,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:05:36,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:05:36,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:05:36,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:05:36,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:05:36,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:05:36,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:05:36,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:05:36,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:05:36,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:05:36,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:05:36,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:05:36,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:05:36,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:05:36,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:05:36,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:05:36,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:05:36,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:05:36,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:05:36,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:05:36,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:05:36,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:05:36,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:05:36,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:05:36,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:05:36,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:05:36,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:05:36,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:05:36,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:05:36,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:05:36,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:05:36,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:05:36,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:05:36,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:05:36,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:05:36,313 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 13:05:36,328 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:05:36,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:05:36,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:05:36,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:05:36,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:05:36,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:05:36,329 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:05:36,330 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:05:36,330 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:05:36,330 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:05:36,330 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:05:36,330 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:05:36,330 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:05:36,330 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:05:36,330 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:05:36,331 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:05:36,331 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:05:36,331 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:05:36,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:05:36,331 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 13:05:36,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:05:36,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 13:05:36,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:05:36,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:05:36,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:05:36,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:05:36,332 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 13:05:36,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:05:36,332 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:05:36,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:05:36,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:05:36,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:05:36,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:05:36,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:05:36,333 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:05:36,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:05:36,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:05:36,333 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:05:36,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:05:36,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:05:36,334 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:05:36,334 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 051ece8f000cdab9356f9251a0aa0a289bd1aeec26d65b2c9f5d450f1c7d9663 [2022-12-14 13:05:36,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:05:36,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:05:36,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:05:36,513 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:05:36,514 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:05:36,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/psyco/psyco_cev_3.c [2022-12-14 13:05:39,129 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:05:46,495 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:05:46,496 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/sv-benchmarks/c/psyco/psyco_cev_3.c [2022-12-14 13:05:48,487 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/data/f675c9cdc/735812633ae849e0b6353690c0c544dc/FLAG318fe2010 [2022-12-14 13:05:48,500 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/data/f675c9cdc/735812633ae849e0b6353690c0c544dc [2022-12-14 13:05:48,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:05:48,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:05:48,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:05:48,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:05:48,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:05:48,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:05:48" (1/1) ... [2022-12-14 13:05:48,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d165544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:05:48, skipping insertion in model container [2022-12-14 13:05:48,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:05:48" (1/1) ... [2022-12-14 13:05:48,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:05:55,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:07:57,515 WARN L237 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_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/sv-benchmarks/c/psyco/psyco_cev_3.c[81003072,81003085] [2022-12-14 13:07:57,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:07:57,870 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:09:28,921 WARN L237 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_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/sv-benchmarks/c/psyco/psyco_cev_3.c[81003072,81003085] [2022-12-14 13:09:29,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:09:29,290 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:09:29,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29 WrapperNode [2022-12-14 13:09:29,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:09:29,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:09:29,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:09:29,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:09:29,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:34,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:50,273 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49558 [2022-12-14 13:09:50,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:09:50,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:09:50,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:09:50,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:09:50,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:50,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:54,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:09:54,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:10:01,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:10:01,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:10:02,764 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:10:03,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:10:07,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:10:07,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:10:07,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:10:07,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:10:07,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (1/1) ... [2022-12-14 13:10:07,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:10:07,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:10:07,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:10:07,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:10:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:10:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:10:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:10:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:10:07,936 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:10:07,938 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:10:33,940 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:10:34,015 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:10:34,016 INFO L300 CfgBuilder]: Removed 198 assume(true) statements. [2022-12-14 13:10:34,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:10:34 BoogieIcfgContainer [2022-12-14 13:10:34,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:10:34,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:10:34,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:10:34,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:10:34,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:05:48" (1/3) ... [2022-12-14 13:10:34,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7115c99a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:10:34, skipping insertion in model container [2022-12-14 13:10:34,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:29" (2/3) ... [2022-12-14 13:10:34,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7115c99a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:10:34, skipping insertion in model container [2022-12-14 13:10:34,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:10:34" (3/3) ... [2022-12-14 13:10:34,030 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_cev_3.c [2022-12-14 13:10:34,044 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:10:34,044 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 13:10:34,165 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:10:34,171 INFO L357 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, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@68857faf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:10:34,171 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 13:10:34,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 8321 states, 8319 states have (on average 1.999639379733141) internal successors, (16635), 8320 states have internal predecessors, (16635), 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) [2022-12-14 13:10:34,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 13:10:34,197 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:34,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:34,198 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:34,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:34,202 INFO L85 PathProgramCache]: Analyzing trace with hash -968480975, now seen corresponding path program 1 times [2022-12-14 13:10:34,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:34,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870829049] [2022-12-14 13:10:34,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:34,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:34,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:10:34,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:34,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870829049] [2022-12-14 13:10:34,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870829049] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:34,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:34,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:10:34,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832361203] [2022-12-14 13:10:34,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:34,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 13:10:34,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:34,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 13:10:34,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 13:10:34,404 INFO L87 Difference]: Start difference. First operand has 8321 states, 8319 states have (on average 1.999639379733141) internal successors, (16635), 8320 states have internal predecessors, (16635), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-12-14 13:10:34,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:34,587 INFO L93 Difference]: Finished difference Result 14081 states and 28149 transitions. [2022-12-14 13:10:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 13:10:34,589 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2022-12-14 13:10:34,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:34,617 INFO L225 Difference]: With dead ends: 14081 [2022-12-14 13:10:34,617 INFO L226 Difference]: Without dead ends: 5714 [2022-12-14 13:10:34,627 INFO L412 NwaCegarLoop]: 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 [2022-12-14 13:10:34,630 INFO L413 NwaCegarLoop]: 8590 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8590 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:34,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8590 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 13:10:34,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5714 states. [2022-12-14 13:10:34,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5714 to 5714. [2022-12-14 13:10:34,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5714 states, 5713 states have (on average 1.4876597234377735) internal successors, (8499), 5713 states have internal predecessors, (8499), 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) [2022-12-14 13:10:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5714 states to 5714 states and 8499 transitions. [2022-12-14 13:10:34,771 INFO L78 Accepts]: Start accepts. Automaton has 5714 states and 8499 transitions. Word has length 8 [2022-12-14 13:10:34,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:34,771 INFO L495 AbstractCegarLoop]: Abstraction has 5714 states and 8499 transitions. [2022-12-14 13:10:34,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-12-14 13:10:34,771 INFO L276 IsEmpty]: Start isEmpty. Operand 5714 states and 8499 transitions. [2022-12-14 13:10:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 13:10:34,772 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:34,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:34,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:10:34,773 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:34,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:34,773 INFO L85 PathProgramCache]: Analyzing trace with hash 573034783, now seen corresponding path program 1 times [2022-12-14 13:10:34,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:34,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035702253] [2022-12-14 13:10:34,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:34,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:10:34,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:34,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035702253] [2022-12-14 13:10:34,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035702253] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:34,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:34,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:10:34,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878298003] [2022-12-14 13:10:34,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:34,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:10:34,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:34,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:10:34,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:34,863 INFO L87 Difference]: Start difference. First operand 5714 states and 8499 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-12-14 13:10:35,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:35,164 INFO L93 Difference]: Finished difference Result 11430 states and 17001 transitions. [2022-12-14 13:10:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:10:35,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-12-14 13:10:35,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:35,177 INFO L225 Difference]: With dead ends: 11430 [2022-12-14 13:10:35,177 INFO L226 Difference]: Without dead ends: 5717 [2022-12-14 13:10:35,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:35,182 INFO L413 NwaCegarLoop]: 8497 mSDtfsCounter, 4 mSDsluCounter, 8311 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16808 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:35,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16808 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:10:35,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5717 states. [2022-12-14 13:10:35,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5717 to 5717. [2022-12-14 13:10:35,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5717 states, 5716 states have (on average 1.4874037788663401) internal successors, (8502), 5716 states have internal predecessors, (8502), 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) [2022-12-14 13:10:35,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5717 states to 5717 states and 8502 transitions. [2022-12-14 13:10:35,259 INFO L78 Accepts]: Start accepts. Automaton has 5717 states and 8502 transitions. Word has length 9 [2022-12-14 13:10:35,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:35,259 INFO L495 AbstractCegarLoop]: Abstraction has 5717 states and 8502 transitions. [2022-12-14 13:10:35,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-12-14 13:10:35,260 INFO L276 IsEmpty]: Start isEmpty. Operand 5717 states and 8502 transitions. [2022-12-14 13:10:35,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 13:10:35,260 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:35,260 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:35,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 13:10:35,261 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:35,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:35,261 INFO L85 PathProgramCache]: Analyzing trace with hash -2139236780, now seen corresponding path program 1 times [2022-12-14 13:10:35,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:35,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788794579] [2022-12-14 13:10:35,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:35,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:35,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:10:35,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:35,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788794579] [2022-12-14 13:10:35,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788794579] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:35,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:35,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:10:35,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885025910] [2022-12-14 13:10:35,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:35,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:10:35,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:35,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:10:35,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:35,335 INFO L87 Difference]: Start difference. First operand 5717 states and 8502 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-12-14 13:10:35,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:35,633 INFO L93 Difference]: Finished difference Result 11438 states and 17010 transitions. [2022-12-14 13:10:35,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:10:35,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2022-12-14 13:10:35,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:35,646 INFO L225 Difference]: With dead ends: 11438 [2022-12-14 13:10:35,646 INFO L226 Difference]: Without dead ends: 5723 [2022-12-14 13:10:35,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:35,652 INFO L413 NwaCegarLoop]: 8496 mSDtfsCounter, 832 mSDsluCounter, 7485 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 15981 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:35,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 15981 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:10:35,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5723 states. [2022-12-14 13:10:35,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5723 to 5721. [2022-12-14 13:10:35,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5721 states, 5720 states have (on average 1.4870629370629371) internal successors, (8506), 5720 states have internal predecessors, (8506), 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) [2022-12-14 13:10:35,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5721 states to 5721 states and 8506 transitions. [2022-12-14 13:10:35,737 INFO L78 Accepts]: Start accepts. Automaton has 5721 states and 8506 transitions. Word has length 14 [2022-12-14 13:10:35,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:35,737 INFO L495 AbstractCegarLoop]: Abstraction has 5721 states and 8506 transitions. [2022-12-14 13:10:35,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-12-14 13:10:35,737 INFO L276 IsEmpty]: Start isEmpty. Operand 5721 states and 8506 transitions. [2022-12-14 13:10:35,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 13:10:35,738 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:35,738 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:35,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 13:10:35,738 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:35,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:35,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1992907981, now seen corresponding path program 1 times [2022-12-14 13:10:35,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:35,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031478807] [2022-12-14 13:10:35,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:35,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:35,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:10:35,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:35,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031478807] [2022-12-14 13:10:35,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031478807] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:35,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:35,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:10:35,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049308430] [2022-12-14 13:10:35,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:35,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:10:35,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:35,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:10:35,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:35,793 INFO L87 Difference]: Start difference. First operand 5721 states and 8506 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) 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) [2022-12-14 13:10:36,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:36,538 INFO L93 Difference]: Finished difference Result 17149 states and 25504 transitions. [2022-12-14 13:10:36,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:10:36,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) 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 17 [2022-12-14 13:10:36,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:36,562 INFO L225 Difference]: With dead ends: 17149 [2022-12-14 13:10:36,562 INFO L226 Difference]: Without dead ends: 11416 [2022-12-14 13:10:36,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:36,567 INFO L413 NwaCegarLoop]: 8347 mSDtfsCounter, 8309 mSDsluCounter, 8297 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8309 SdHoareTripleChecker+Valid, 16644 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:36,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8309 Valid, 16644 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 13:10:36,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11416 states. [2022-12-14 13:10:36,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11416 to 11336. [2022-12-14 13:10:36,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11336 states, 11335 states have (on average 1.4887516541685046) internal successors, (16875), 11335 states have internal predecessors, (16875), 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) [2022-12-14 13:10:36,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11336 states to 11336 states and 16875 transitions. [2022-12-14 13:10:36,713 INFO L78 Accepts]: Start accepts. Automaton has 11336 states and 16875 transitions. Word has length 17 [2022-12-14 13:10:36,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:36,713 INFO L495 AbstractCegarLoop]: Abstraction has 11336 states and 16875 transitions. [2022-12-14 13:10:36,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) 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) [2022-12-14 13:10:36,713 INFO L276 IsEmpty]: Start isEmpty. Operand 11336 states and 16875 transitions. [2022-12-14 13:10:36,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 13:10:36,714 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:36,714 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:36,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 13:10:36,714 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:36,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:36,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1285145383, now seen corresponding path program 1 times [2022-12-14 13:10:36,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:36,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57907243] [2022-12-14 13:10:36,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:36,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:36,775 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:10:36,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:36,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57907243] [2022-12-14 13:10:36,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57907243] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:36,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:36,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:10:36,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421095625] [2022-12-14 13:10:36,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:36,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:10:36,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:36,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:10:36,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:36,777 INFO L87 Difference]: Start difference. First operand 11336 states and 16875 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2022-12-14 13:10:37,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:37,119 INFO L93 Difference]: Finished difference Result 22682 states and 33767 transitions. [2022-12-14 13:10:37,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:10:37,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 23 [2022-12-14 13:10:37,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:37,140 INFO L225 Difference]: With dead ends: 22682 [2022-12-14 13:10:37,140 INFO L226 Difference]: Without dead ends: 11348 [2022-12-14 13:10:37,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:37,150 INFO L413 NwaCegarLoop]: 8498 mSDtfsCounter, 833 mSDsluCounter, 7485 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 15983 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:37,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 15983 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:10:37,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11348 states. [2022-12-14 13:10:37,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11348 to 11346. [2022-12-14 13:10:37,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11346 states, 11345 states have (on average 1.488320846187748) internal successors, (16885), 11345 states have internal predecessors, (16885), 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) [2022-12-14 13:10:37,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11346 states to 11346 states and 16885 transitions. [2022-12-14 13:10:37,289 INFO L78 Accepts]: Start accepts. Automaton has 11346 states and 16885 transitions. Word has length 23 [2022-12-14 13:10:37,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:37,289 INFO L495 AbstractCegarLoop]: Abstraction has 11346 states and 16885 transitions. [2022-12-14 13:10:37,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2022-12-14 13:10:37,290 INFO L276 IsEmpty]: Start isEmpty. Operand 11346 states and 16885 transitions. [2022-12-14 13:10:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-12-14 13:10:37,298 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:37,298 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:37,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 13:10:37,298 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:37,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:37,299 INFO L85 PathProgramCache]: Analyzing trace with hash -214452239, now seen corresponding path program 1 times [2022-12-14 13:10:37,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:37,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710076100] [2022-12-14 13:10:37,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:37,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:37,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:10:37,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:37,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710076100] [2022-12-14 13:10:37,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710076100] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:37,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:37,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:10:37,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705834719] [2022-12-14 13:10:37,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:37,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:10:37,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:37,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:10:37,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:37,547 INFO L87 Difference]: Start difference. First operand 11346 states and 16885 transitions. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 2 states have internal predecessors, (279), 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) [2022-12-14 13:10:37,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:37,852 INFO L93 Difference]: Finished difference Result 11924 states and 17736 transitions. [2022-12-14 13:10:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:10:37,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 2 states have internal predecessors, (279), 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 280 [2022-12-14 13:10:37,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:37,873 INFO L225 Difference]: With dead ends: 11924 [2022-12-14 13:10:37,874 INFO L226 Difference]: Without dead ends: 11918 [2022-12-14 13:10:37,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:37,878 INFO L413 NwaCegarLoop]: 8486 mSDtfsCounter, 558 mSDsluCounter, 8297 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 16783 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:37,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 16783 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:10:37,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11918 states. [2022-12-14 13:10:37,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11918 to 11910. [2022-12-14 13:10:38,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11910 states, 11909 states have (on average 1.488118229910152) internal successors, (17722), 11909 states have internal predecessors, (17722), 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) [2022-12-14 13:10:38,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11910 states to 11910 states and 17722 transitions. [2022-12-14 13:10:38,016 INFO L78 Accepts]: Start accepts. Automaton has 11910 states and 17722 transitions. Word has length 280 [2022-12-14 13:10:38,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:38,016 INFO L495 AbstractCegarLoop]: Abstraction has 11910 states and 17722 transitions. [2022-12-14 13:10:38,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 2 states have internal predecessors, (279), 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) [2022-12-14 13:10:38,017 INFO L276 IsEmpty]: Start isEmpty. Operand 11910 states and 17722 transitions. [2022-12-14 13:10:38,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-12-14 13:10:38,019 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:38,019 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:38,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 13:10:38,020 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:38,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:38,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1952173582, now seen corresponding path program 1 times [2022-12-14 13:10:38,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:38,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959467545] [2022-12-14 13:10:38,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:38,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:38,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:10:38,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:38,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959467545] [2022-12-14 13:10:38,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959467545] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:38,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:38,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:10:38,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359029450] [2022-12-14 13:10:38,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:38,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:10:38,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:38,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:10:38,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:38,212 INFO L87 Difference]: Start difference. First operand 11910 states and 17722 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 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) [2022-12-14 13:10:38,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:38,838 INFO L93 Difference]: Finished difference Result 34588 states and 51478 transitions. [2022-12-14 13:10:38,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:10:38,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 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 281 [2022-12-14 13:10:38,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:38,872 INFO L225 Difference]: With dead ends: 34588 [2022-12-14 13:10:38,872 INFO L226 Difference]: Without dead ends: 23244 [2022-12-14 13:10:38,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:38,883 INFO L413 NwaCegarLoop]: 8355 mSDtfsCounter, 8048 mSDsluCounter, 8297 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8048 SdHoareTripleChecker+Valid, 16652 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:38,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8048 Valid, 16652 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 13:10:38,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23244 states. [2022-12-14 13:10:39,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23244 to 23166. [2022-12-14 13:10:39,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23166 states, 23165 states have (on average 1.488884092380747) internal successors, (34490), 23165 states have internal predecessors, (34490), 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) [2022-12-14 13:10:39,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23166 states to 23166 states and 34490 transitions. [2022-12-14 13:10:39,173 INFO L78 Accepts]: Start accepts. Automaton has 23166 states and 34490 transitions. Word has length 281 [2022-12-14 13:10:39,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:39,173 INFO L495 AbstractCegarLoop]: Abstraction has 23166 states and 34490 transitions. [2022-12-14 13:10:39,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 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) [2022-12-14 13:10:39,173 INFO L276 IsEmpty]: Start isEmpty. Operand 23166 states and 34490 transitions. [2022-12-14 13:10:39,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-12-14 13:10:39,176 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:39,176 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:39,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 13:10:39,177 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:39,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:39,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1920998374, now seen corresponding path program 1 times [2022-12-14 13:10:39,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:39,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469062111] [2022-12-14 13:10:39,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:39,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:10:39,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:39,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469062111] [2022-12-14 13:10:39,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469062111] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:39,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:39,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:10:39,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139298456] [2022-12-14 13:10:39,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:39,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:10:39,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:39,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:10:39,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:39,306 INFO L87 Difference]: Start difference. First operand 23166 states and 34490 transitions. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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) [2022-12-14 13:10:39,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:39,695 INFO L93 Difference]: Finished difference Result 45762 states and 68138 transitions. [2022-12-14 13:10:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:10:39,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 289 [2022-12-14 13:10:39,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:39,729 INFO L225 Difference]: With dead ends: 45762 [2022-12-14 13:10:39,729 INFO L226 Difference]: Without dead ends: 23162 [2022-12-14 13:10:39,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:39,750 INFO L413 NwaCegarLoop]: 9169 mSDtfsCounter, 8048 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8048 SdHoareTripleChecker+Valid, 9996 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:39,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8048 Valid, 9996 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:10:39,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23162 states. [2022-12-14 13:10:40,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23162 to 23156. [2022-12-14 13:10:40,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23156 states, 23155 states have (on average 1.4882746706974737) internal successors, (34461), 23155 states have internal predecessors, (34461), 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) [2022-12-14 13:10:40,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23156 states to 23156 states and 34461 transitions. [2022-12-14 13:10:40,092 INFO L78 Accepts]: Start accepts. Automaton has 23156 states and 34461 transitions. Word has length 289 [2022-12-14 13:10:40,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:40,093 INFO L495 AbstractCegarLoop]: Abstraction has 23156 states and 34461 transitions. [2022-12-14 13:10:40,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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) [2022-12-14 13:10:40,093 INFO L276 IsEmpty]: Start isEmpty. Operand 23156 states and 34461 transitions. [2022-12-14 13:10:40,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-12-14 13:10:40,096 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:40,096 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:40,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 13:10:40,097 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:40,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:40,097 INFO L85 PathProgramCache]: Analyzing trace with hash 2003944844, now seen corresponding path program 1 times [2022-12-14 13:10:40,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:40,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864150708] [2022-12-14 13:10:40,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:40,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:40,222 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:10:40,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:40,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864150708] [2022-12-14 13:10:40,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864150708] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:40,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:40,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:10:40,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771368648] [2022-12-14 13:10:40,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:40,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:10:40,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:40,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:10:40,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:40,225 INFO L87 Difference]: Start difference. First operand 23156 states and 34461 transitions. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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) [2022-12-14 13:10:40,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:40,522 INFO L93 Difference]: Finished difference Result 43440 states and 64663 transitions. [2022-12-14 13:10:40,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:10:40,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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 294 [2022-12-14 13:10:40,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:40,543 INFO L225 Difference]: With dead ends: 43440 [2022-12-14 13:10:40,543 INFO L226 Difference]: Without dead ends: 20850 [2022-12-14 13:10:40,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:40,555 INFO L413 NwaCegarLoop]: 8425 mSDtfsCounter, 6637 mSDsluCounter, 1651 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6637 SdHoareTripleChecker+Valid, 10076 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:40,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6637 Valid, 10076 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:10:40,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20850 states. [2022-12-14 13:10:40,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20850 to 20848. [2022-12-14 13:10:40,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20848 states, 20847 states have (on average 1.4881277881709598) internal successors, (31023), 20847 states have internal predecessors, (31023), 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) [2022-12-14 13:10:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20848 states to 20848 states and 31023 transitions. [2022-12-14 13:10:40,770 INFO L78 Accepts]: Start accepts. Automaton has 20848 states and 31023 transitions. Word has length 294 [2022-12-14 13:10:40,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:40,770 INFO L495 AbstractCegarLoop]: Abstraction has 20848 states and 31023 transitions. [2022-12-14 13:10:40,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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) [2022-12-14 13:10:40,770 INFO L276 IsEmpty]: Start isEmpty. Operand 20848 states and 31023 transitions. [2022-12-14 13:10:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-12-14 13:10:40,774 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:40,774 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:40,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 13:10:40,774 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:40,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:40,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1742625296, now seen corresponding path program 1 times [2022-12-14 13:10:40,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:40,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273309268] [2022-12-14 13:10:40,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:40,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:40,879 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:10:40,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:40,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273309268] [2022-12-14 13:10:40,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273309268] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:40,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:40,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:10:40,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737557263] [2022-12-14 13:10:40,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:40,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:10:40,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:40,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:10:40,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:40,881 INFO L87 Difference]: Start difference. First operand 20848 states and 31023 transitions. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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) [2022-12-14 13:10:41,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:10:41,164 INFO L93 Difference]: Finished difference Result 41150 states and 61231 transitions. [2022-12-14 13:10:41,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:10:41,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 299 [2022-12-14 13:10:41,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:10:41,186 INFO L225 Difference]: With dead ends: 41150 [2022-12-14 13:10:41,186 INFO L226 Difference]: Without dead ends: 20874 [2022-12-14 13:10:41,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:10:41,196 INFO L413 NwaCegarLoop]: 8440 mSDtfsCounter, 829 mSDsluCounter, 7440 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 15880 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:10:41,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 15880 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:10:41,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20874 states. [2022-12-14 13:10:41,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20874 to 20872. [2022-12-14 13:10:41,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20872 states, 20871 states have (on average 1.4875664798045134) internal successors, (31047), 20871 states have internal predecessors, (31047), 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) [2022-12-14 13:10:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20872 states to 20872 states and 31047 transitions. [2022-12-14 13:10:41,398 INFO L78 Accepts]: Start accepts. Automaton has 20872 states and 31047 transitions. Word has length 299 [2022-12-14 13:10:41,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:10:41,398 INFO L495 AbstractCegarLoop]: Abstraction has 20872 states and 31047 transitions. [2022-12-14 13:10:41,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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) [2022-12-14 13:10:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 20872 states and 31047 transitions. [2022-12-14 13:10:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-12-14 13:10:41,402 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:10:41,402 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:10:41,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 13:10:41,402 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:10:41,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:10:41,403 INFO L85 PathProgramCache]: Analyzing trace with hash 995698508, now seen corresponding path program 1 times [2022-12-14 13:10:41,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:10:41,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429518434] [2022-12-14 13:10:41,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:10:41,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:10:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:10:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 13:10:59,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:10:59,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429518434] [2022-12-14 13:10:59,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429518434] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:10:59,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:10:59,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:10:59,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672616135] [2022-12-14 13:10:59,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:10:59,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 13:10:59,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:10:59,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 13:10:59,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:10:59,770 INFO L87 Difference]: Start difference. First operand 20872 states and 31047 transitions. Second operand has 4 states, 4 states have (on average 74.5) internal successors, (298), 3 states have internal predecessors, (298), 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) [2022-12-14 13:11:00,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:11:00,212 INFO L93 Difference]: Finished difference Result 22587 states and 33581 transitions. [2022-12-14 13:11:00,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 13:11:00,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 3 states have internal predecessors, (298), 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 299 [2022-12-14 13:11:00,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:11:00,236 INFO L225 Difference]: With dead ends: 22587 [2022-12-14 13:11:00,236 INFO L226 Difference]: Without dead ends: 22585 [2022-12-14 13:11:00,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 13:11:00,241 INFO L413 NwaCegarLoop]: 8396 mSDtfsCounter, 3012 mSDsluCounter, 16508 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3012 SdHoareTripleChecker+Valid, 24904 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 13:11:00,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3012 Valid, 24904 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 13:11:00,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22585 states. [2022-12-14 13:11:00,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22585 to 22571. [2022-12-14 13:11:00,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22571 states, 22570 states have (on average 1.4871953921134249) internal successors, (33566), 22570 states have internal predecessors, (33566), 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) [2022-12-14 13:11:00,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22571 states to 22571 states and 33566 transitions. [2022-12-14 13:11:00,455 INFO L78 Accepts]: Start accepts. Automaton has 22571 states and 33566 transitions. Word has length 299 [2022-12-14 13:11:00,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:11:00,456 INFO L495 AbstractCegarLoop]: Abstraction has 22571 states and 33566 transitions. [2022-12-14 13:11:00,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 3 states have internal predecessors, (298), 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) [2022-12-14 13:11:00,456 INFO L276 IsEmpty]: Start isEmpty. Operand 22571 states and 33566 transitions. [2022-12-14 13:11:00,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-12-14 13:11:00,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:11:00,459 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:11:00,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 13:11:00,459 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:11:00,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:11:00,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1732404962, now seen corresponding path program 1 times [2022-12-14 13:11:00,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:11:00,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860109143] [2022-12-14 13:11:00,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:11:00,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:11:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:11:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 13:11:00,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:11:00,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860109143] [2022-12-14 13:11:00,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860109143] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:11:00,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:11:00,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:11:00,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105428076] [2022-12-14 13:11:00,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:11:00,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:11:00,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:11:00,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:11:00,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:00,570 INFO L87 Difference]: Start difference. First operand 22571 states and 33566 transitions. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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) [2022-12-14 13:11:00,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:11:00,806 INFO L93 Difference]: Finished difference Result 40607 states and 60408 transitions. [2022-12-14 13:11:00,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:11:00,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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 300 [2022-12-14 13:11:00,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:11:00,829 INFO L225 Difference]: With dead ends: 40607 [2022-12-14 13:11:00,829 INFO L226 Difference]: Without dead ends: 20307 [2022-12-14 13:11:00,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:00,841 INFO L413 NwaCegarLoop]: 8423 mSDtfsCounter, 5806 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5806 SdHoareTripleChecker+Valid, 10897 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:11:00,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5806 Valid, 10897 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:11:00,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20307 states. [2022-12-14 13:11:01,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20307 to 20305. [2022-12-14 13:11:01,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20305 states, 20304 states have (on average 1.487391646966115) internal successors, (30200), 20304 states have internal predecessors, (30200), 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) [2022-12-14 13:11:01,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20305 states to 20305 states and 30200 transitions. [2022-12-14 13:11:01,046 INFO L78 Accepts]: Start accepts. Automaton has 20305 states and 30200 transitions. Word has length 300 [2022-12-14 13:11:01,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:11:01,047 INFO L495 AbstractCegarLoop]: Abstraction has 20305 states and 30200 transitions. [2022-12-14 13:11:01,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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) [2022-12-14 13:11:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 20305 states and 30200 transitions. [2022-12-14 13:11:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-12-14 13:11:01,053 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:11:01,054 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:11:01,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 13:11:01,054 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:11:01,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:11:01,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1485921260, now seen corresponding path program 1 times [2022-12-14 13:11:01,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:11:01,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665610783] [2022-12-14 13:11:01,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:11:01,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:11:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:11:01,176 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 13:11:01,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:11:01,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665610783] [2022-12-14 13:11:01,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665610783] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:11:01,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:11:01,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:11:01,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614481519] [2022-12-14 13:11:01,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:11:01,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:11:01,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:11:01,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:11:01,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:01,177 INFO L87 Difference]: Start difference. First operand 20305 states and 30200 transitions. Second operand has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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) [2022-12-14 13:11:01,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:11:01,616 INFO L93 Difference]: Finished difference Result 38417 states and 57118 transitions. [2022-12-14 13:11:01,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:11:01,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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 301 [2022-12-14 13:11:01,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:11:01,638 INFO L225 Difference]: With dead ends: 38417 [2022-12-14 13:11:01,638 INFO L226 Difference]: Without dead ends: 20375 [2022-12-14 13:11:01,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:01,648 INFO L413 NwaCegarLoop]: 9166 mSDtfsCounter, 6618 mSDsluCounter, 8252 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6618 SdHoareTripleChecker+Valid, 17418 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 13:11:01,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6618 Valid, 17418 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 13:11:01,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20375 states. [2022-12-14 13:11:01,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20375 to 20309. [2022-12-14 13:11:01,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20309 states, 20308 states have (on average 1.4863108134725231) internal successors, (30184), 20308 states have internal predecessors, (30184), 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) [2022-12-14 13:11:01,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20309 states to 20309 states and 30184 transitions. [2022-12-14 13:11:01,873 INFO L78 Accepts]: Start accepts. Automaton has 20309 states and 30184 transitions. Word has length 301 [2022-12-14 13:11:01,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:11:01,873 INFO L495 AbstractCegarLoop]: Abstraction has 20309 states and 30184 transitions. [2022-12-14 13:11:01,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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) [2022-12-14 13:11:01,874 INFO L276 IsEmpty]: Start isEmpty. Operand 20309 states and 30184 transitions. [2022-12-14 13:11:01,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-12-14 13:11:01,876 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:11:01,876 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:11:01,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 13:11:01,876 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:11:01,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:11:01,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1859969279, now seen corresponding path program 1 times [2022-12-14 13:11:01,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:11:01,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499593459] [2022-12-14 13:11:01,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:11:01,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:11:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:11:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 13:11:01,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:11:01,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499593459] [2022-12-14 13:11:01,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499593459] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:11:01,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:11:01,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:11:01,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853139411] [2022-12-14 13:11:01,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:11:01,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:11:01,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:11:01,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:11:01,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:01,972 INFO L87 Difference]: Start difference. First operand 20309 states and 30184 transitions. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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) [2022-12-14 13:11:02,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:11:02,189 INFO L93 Difference]: Finished difference Result 38373 states and 57034 transitions. [2022-12-14 13:11:02,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:11:02,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 302 [2022-12-14 13:11:02,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:11:02,215 INFO L225 Difference]: With dead ends: 38373 [2022-12-14 13:11:02,215 INFO L226 Difference]: Without dead ends: 20339 [2022-12-14 13:11:02,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:02,225 INFO L413 NwaCegarLoop]: 8435 mSDtfsCounter, 829 mSDsluCounter, 7436 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 15871 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:11:02,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 15871 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:11:02,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20339 states. [2022-12-14 13:11:02,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20339 to 20337. [2022-12-14 13:11:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20337 states, 20336 states have (on average 1.4856412273800157) internal successors, (30212), 20336 states have internal predecessors, (30212), 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) [2022-12-14 13:11:02,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20337 states to 20337 states and 30212 transitions. [2022-12-14 13:11:02,448 INFO L78 Accepts]: Start accepts. Automaton has 20337 states and 30212 transitions. Word has length 302 [2022-12-14 13:11:02,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:11:02,448 INFO L495 AbstractCegarLoop]: Abstraction has 20337 states and 30212 transitions. [2022-12-14 13:11:02,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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) [2022-12-14 13:11:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand 20337 states and 30212 transitions. [2022-12-14 13:11:02,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-12-14 13:11:02,451 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:11:02,451 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:11:02,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 13:11:02,452 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:11:02,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:11:02,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1559273919, now seen corresponding path program 1 times [2022-12-14 13:11:02,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:11:02,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747449659] [2022-12-14 13:11:02,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:11:02,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:11:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:11:02,558 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 13:11:02,558 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:11:02,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747449659] [2022-12-14 13:11:02,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747449659] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:11:02,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:11:02,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:11:02,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417581200] [2022-12-14 13:11:02,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:11:02,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:11:02,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:11:02,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:11:02,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:02,560 INFO L87 Difference]: Start difference. First operand 20337 states and 30212 transitions. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2022-12-14 13:11:02,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:11:02,821 INFO L93 Difference]: Finished difference Result 36701 states and 54537 transitions. [2022-12-14 13:11:02,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:11:02,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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 316 [2022-12-14 13:11:02,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:11:02,840 INFO L225 Difference]: With dead ends: 36701 [2022-12-14 13:11:02,840 INFO L226 Difference]: Without dead ends: 18639 [2022-12-14 13:11:02,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:02,849 INFO L413 NwaCegarLoop]: 8421 mSDtfsCounter, 4977 mSDsluCounter, 3297 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4977 SdHoareTripleChecker+Valid, 11718 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:11:02,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4977 Valid, 11718 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:11:02,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18639 states. [2022-12-14 13:11:03,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18639 to 18637. [2022-12-14 13:11:03,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18637 states, 18636 states have (on average 1.4856728911783645) internal successors, (27687), 18636 states have internal predecessors, (27687), 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) [2022-12-14 13:11:03,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18637 states to 18637 states and 27687 transitions. [2022-12-14 13:11:03,038 INFO L78 Accepts]: Start accepts. Automaton has 18637 states and 27687 transitions. Word has length 316 [2022-12-14 13:11:03,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:11:03,038 INFO L495 AbstractCegarLoop]: Abstraction has 18637 states and 27687 transitions. [2022-12-14 13:11:03,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2022-12-14 13:11:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 18637 states and 27687 transitions. [2022-12-14 13:11:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-12-14 13:11:03,040 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:11:03,041 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:11:03,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 13:11:03,041 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:11:03,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:11:03,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1763092431, now seen corresponding path program 1 times [2022-12-14 13:11:03,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:11:03,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242068975] [2022-12-14 13:11:03,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:11:03,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:11:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:11:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 13:11:03,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:11:03,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242068975] [2022-12-14 13:11:03,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242068975] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:11:03,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:11:03,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:11:03,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842603503] [2022-12-14 13:11:03,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:11:03,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:11:03,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:11:03,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:11:03,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:03,146 INFO L87 Difference]: Start difference. First operand 18637 states and 27687 transitions. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2022-12-14 13:11:03,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:11:03,378 INFO L93 Difference]: Finished difference Result 35057 states and 52088 transitions. [2022-12-14 13:11:03,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:11:03,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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 318 [2022-12-14 13:11:03,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:11:03,397 INFO L225 Difference]: With dead ends: 35057 [2022-12-14 13:11:03,397 INFO L226 Difference]: Without dead ends: 18695 [2022-12-14 13:11:03,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:03,406 INFO L413 NwaCegarLoop]: 8435 mSDtfsCounter, 835 mSDsluCounter, 7432 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 15867 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:11:03,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 15867 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:11:03,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18695 states. [2022-12-14 13:11:03,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18695 to 18693. [2022-12-14 13:11:03,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18693 states, 18692 states have (on average 1.484431842499465) internal successors, (27747), 18692 states have internal predecessors, (27747), 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) [2022-12-14 13:11:03,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18693 states to 18693 states and 27747 transitions. [2022-12-14 13:11:03,582 INFO L78 Accepts]: Start accepts. Automaton has 18693 states and 27747 transitions. Word has length 318 [2022-12-14 13:11:03,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:11:03,583 INFO L495 AbstractCegarLoop]: Abstraction has 18693 states and 27747 transitions. [2022-12-14 13:11:03,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2022-12-14 13:11:03,583 INFO L276 IsEmpty]: Start isEmpty. Operand 18693 states and 27747 transitions. [2022-12-14 13:11:03,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-12-14 13:11:03,585 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:11:03,585 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:11:03,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 13:11:03,585 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:11:03,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:11:03,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1363027243, now seen corresponding path program 1 times [2022-12-14 13:11:03,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:11:03,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847614191] [2022-12-14 13:11:03,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:11:03,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:11:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:11:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 13:11:03,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:11:03,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847614191] [2022-12-14 13:11:03,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847614191] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:11:03,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:11:03,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:11:03,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823215682] [2022-12-14 13:11:03,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:11:03,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:11:03,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:11:03,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:11:03,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:03,677 INFO L87 Difference]: Start difference. First operand 18693 states and 27747 transitions. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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) [2022-12-14 13:11:03,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:11:03,947 INFO L93 Difference]: Finished difference Result 35145 states and 52164 transitions. [2022-12-14 13:11:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:11:03,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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 319 [2022-12-14 13:11:03,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:11:03,966 INFO L225 Difference]: With dead ends: 35145 [2022-12-14 13:11:03,966 INFO L226 Difference]: Without dead ends: 18727 [2022-12-14 13:11:03,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:03,975 INFO L413 NwaCegarLoop]: 8432 mSDtfsCounter, 829 mSDsluCounter, 7432 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 15864 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:11:03,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 15864 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:11:03,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18727 states. [2022-12-14 13:11:04,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18727 to 18725. [2022-12-14 13:11:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18725 states, 18724 states have (on average 1.4836039307840205) internal successors, (27779), 18724 states have internal predecessors, (27779), 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) [2022-12-14 13:11:04,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18725 states to 18725 states and 27779 transitions. [2022-12-14 13:11:04,147 INFO L78 Accepts]: Start accepts. Automaton has 18725 states and 27779 transitions. Word has length 319 [2022-12-14 13:11:04,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:11:04,147 INFO L495 AbstractCegarLoop]: Abstraction has 18725 states and 27779 transitions. [2022-12-14 13:11:04,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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) [2022-12-14 13:11:04,147 INFO L276 IsEmpty]: Start isEmpty. Operand 18725 states and 27779 transitions. [2022-12-14 13:11:04,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-12-14 13:11:04,150 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:11:04,150 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:11:04,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 13:11:04,150 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:11:04,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:11:04,150 INFO L85 PathProgramCache]: Analyzing trace with hash 56479789, now seen corresponding path program 1 times [2022-12-14 13:11:04,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:11:04,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552479516] [2022-12-14 13:11:04,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:11:04,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:11:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:11:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 13:11:04,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:11:04,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552479516] [2022-12-14 13:11:04,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552479516] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:11:04,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:11:04,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:11:04,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963114818] [2022-12-14 13:11:04,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:11:04,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:11:04,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:11:04,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:11:04,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:04,246 INFO L87 Difference]: Start difference. First operand 18725 states and 27779 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2022-12-14 13:11:04,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:11:04,478 INFO L93 Difference]: Finished difference Result 35213 states and 52236 transitions. [2022-12-14 13:11:04,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:11:04,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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 336 [2022-12-14 13:11:04,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:11:04,497 INFO L225 Difference]: With dead ends: 35213 [2022-12-14 13:11:04,497 INFO L226 Difference]: Without dead ends: 18763 [2022-12-14 13:11:04,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:04,505 INFO L413 NwaCegarLoop]: 8433 mSDtfsCounter, 829 mSDsluCounter, 7432 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 15865 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:11:04,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 15865 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:11:04,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18763 states. [2022-12-14 13:11:04,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18763 to 18761. [2022-12-14 13:11:04,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18761 states, 18760 states have (on average 1.482675906183369) internal successors, (27815), 18760 states have internal predecessors, (27815), 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) [2022-12-14 13:11:04,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18761 states to 18761 states and 27815 transitions. [2022-12-14 13:11:04,698 INFO L78 Accepts]: Start accepts. Automaton has 18761 states and 27815 transitions. Word has length 336 [2022-12-14 13:11:04,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:11:04,698 INFO L495 AbstractCegarLoop]: Abstraction has 18761 states and 27815 transitions. [2022-12-14 13:11:04,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2022-12-14 13:11:04,699 INFO L276 IsEmpty]: Start isEmpty. Operand 18761 states and 27815 transitions. [2022-12-14 13:11:04,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2022-12-14 13:11:04,704 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:11:04,705 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:11:04,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 13:11:04,705 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:11:04,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:11:04,705 INFO L85 PathProgramCache]: Analyzing trace with hash 853259564, now seen corresponding path program 1 times [2022-12-14 13:11:04,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:11:04,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821808867] [2022-12-14 13:11:04,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:11:04,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:11:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:11:04,934 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 13:11:04,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:11:04,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821808867] [2022-12-14 13:11:04,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821808867] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:11:04,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:11:04,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:11:04,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407389136] [2022-12-14 13:11:04,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:11:04,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:11:04,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:11:04,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:11:04,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:04,937 INFO L87 Difference]: Start difference. First operand 18761 states and 27815 transitions. Second operand has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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) [2022-12-14 13:11:05,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:11:05,242 INFO L93 Difference]: Finished difference Result 20491 states and 30364 transitions. [2022-12-14 13:11:05,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:11:05,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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 565 [2022-12-14 13:11:05,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:11:05,264 INFO L225 Difference]: With dead ends: 20491 [2022-12-14 13:11:05,264 INFO L226 Difference]: Without dead ends: 20481 [2022-12-14 13:11:05,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:05,268 INFO L413 NwaCegarLoop]: 8382 mSDtfsCounter, 3034 mSDsluCounter, 7441 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3034 SdHoareTripleChecker+Valid, 15823 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:11:05,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3034 Valid, 15823 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:11:05,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20481 states. [2022-12-14 13:11:05,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20481 to 20465. [2022-12-14 13:11:05,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20465 states, 20464 states have (on average 1.4824081313526192) internal successors, (30336), 20464 states have internal predecessors, (30336), 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) [2022-12-14 13:11:05,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20465 states to 20465 states and 30336 transitions. [2022-12-14 13:11:05,464 INFO L78 Accepts]: Start accepts. Automaton has 20465 states and 30336 transitions. Word has length 565 [2022-12-14 13:11:05,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:11:05,465 INFO L495 AbstractCegarLoop]: Abstraction has 20465 states and 30336 transitions. [2022-12-14 13:11:05,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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) [2022-12-14 13:11:05,465 INFO L276 IsEmpty]: Start isEmpty. Operand 20465 states and 30336 transitions. [2022-12-14 13:11:05,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2022-12-14 13:11:05,471 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:11:05,471 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:11:05,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 13:11:05,471 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:11:05,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:11:05,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1688586960, now seen corresponding path program 1 times [2022-12-14 13:11:05,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:11:05,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493512439] [2022-12-14 13:11:05,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:11:05,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:11:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:11:05,731 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 13:11:05,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:11:05,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493512439] [2022-12-14 13:11:05,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493512439] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:11:05,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:11:05,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:11:05,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812789818] [2022-12-14 13:11:05,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:11:05,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:11:05,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:11:05,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:11:05,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:05,733 INFO L87 Difference]: Start difference. First operand 20465 states and 30336 transitions. Second operand has 3 states, 3 states have (on average 189.0) internal successors, (567), 2 states have internal predecessors, (567), 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) [2022-12-14 13:11:06,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:11:06,248 INFO L93 Difference]: Finished difference Result 57981 states and 85954 transitions. [2022-12-14 13:11:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:11:06,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 189.0) internal successors, (567), 2 states have internal predecessors, (567), 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 571 [2022-12-14 13:11:06,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:11:06,289 INFO L225 Difference]: With dead ends: 57981 [2022-12-14 13:11:06,289 INFO L226 Difference]: Without dead ends: 39779 [2022-12-14 13:11:06,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:11:06,303 INFO L413 NwaCegarLoop]: 15040 mSDtfsCounter, 7711 mSDsluCounter, 8257 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7711 SdHoareTripleChecker+Valid, 23297 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 13:11:06,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7711 Valid, 23297 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 13:11:06,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39779 states. [2022-12-14 13:11:06,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39779 to 39535. [2022-12-14 13:11:06,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39535 states, 39534 states have (on average 1.4851267263621186) internal successors, (58713), 39534 states have internal predecessors, (58713), 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) [2022-12-14 13:11:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39535 states to 39535 states and 58713 transitions. [2022-12-14 13:11:06,703 INFO L78 Accepts]: Start accepts. Automaton has 39535 states and 58713 transitions. Word has length 571 [2022-12-14 13:11:06,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:11:06,703 INFO L495 AbstractCegarLoop]: Abstraction has 39535 states and 58713 transitions. [2022-12-14 13:11:06,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.0) internal successors, (567), 2 states have internal predecessors, (567), 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) [2022-12-14 13:11:06,704 INFO L276 IsEmpty]: Start isEmpty. Operand 39535 states and 58713 transitions. [2022-12-14 13:11:06,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2022-12-14 13:11:06,710 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:11:06,711 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:11:06,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 13:11:06,711 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:11:06,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:11:06,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1260095072, now seen corresponding path program 1 times [2022-12-14 13:11:06,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:11:06,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973222181] [2022-12-14 13:11:06,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:11:06,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:11:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 13:11:06,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 13:11:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 13:11:07,054 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 13:11:07,054 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 13:11:07,055 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 13:11:07,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 13:11:07,058 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:11:07,061 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 13:11:07,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 01:11:07 BoogieIcfgContainer [2022-12-14 13:11:07,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 13:11:07,169 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 13:11:07,169 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 13:11:07,169 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 13:11:07,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:10:34" (3/4) ... [2022-12-14 13:11:07,171 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 13:11:07,296 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 13:11:07,297 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 13:11:07,297 INFO L158 Benchmark]: Toolchain (without parser) took 318792.89ms. Allocated memory was 5.9GB in the beginning and 13.9GB in the end (delta: 8.0GB). Free memory was 4.2GB in the beginning and 2.3GB in the end (delta: 1.9GB). Peak memory consumption was 9.9GB. Max. memory is 16.1GB. [2022-12-14 13:11:07,297 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:11:07,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220785.31ms. Allocated memory was 5.9GB in the beginning and 6.5GB in the end (delta: 650.1MB). Free memory was 4.2GB in the beginning and 150.2MB in the end (delta: 4.1GB). Peak memory consumption was 8.3GB. Max. memory is 16.1GB. [2022-12-14 13:11:07,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 20981.90ms. Allocated memory was 6.5GB in the beginning and 12.3GB in the end (delta: 5.7GB). Free memory was 150.2MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 4.2GB. Max. memory is 16.1GB. [2022-12-14 13:11:07,298 INFO L158 Benchmark]: Boogie Preprocessor took 17194.98ms. Allocated memory was 12.3GB in the beginning and 13.9GB in the end (delta: 1.6GB). Free memory was 3.9GB in the beginning and 2.9GB in the end (delta: 1.1GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2022-12-14 13:11:07,298 INFO L158 Benchmark]: RCFGBuilder took 26553.94ms. Allocated memory is still 13.9GB. Free memory was 2.9GB in the beginning and 2.0GB in the end (delta: 879.7MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-12-14 13:11:07,299 INFO L158 Benchmark]: TraceAbstraction took 33143.33ms. Allocated memory is still 13.9GB. Free memory was 2.0GB in the beginning and 2.4GB in the end (delta: -359.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:11:07,299 INFO L158 Benchmark]: Witness Printer took 127.41ms. Allocated memory is still 13.9GB. Free memory was 2.4GB in the beginning and 2.3GB in the end (delta: 45.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-14 13:11:07,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220785.31ms. Allocated memory was 5.9GB in the beginning and 6.5GB in the end (delta: 650.1MB). Free memory was 4.2GB in the beginning and 150.2MB in the end (delta: 4.1GB). Peak memory consumption was 8.3GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20981.90ms. Allocated memory was 6.5GB in the beginning and 12.3GB in the end (delta: 5.7GB). Free memory was 150.2MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 4.2GB. Max. memory is 16.1GB. * Boogie Preprocessor took 17194.98ms. Allocated memory was 12.3GB in the beginning and 13.9GB in the end (delta: 1.6GB). Free memory was 3.9GB in the beginning and 2.9GB in the end (delta: 1.1GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. * RCFGBuilder took 26553.94ms. Allocated memory is still 13.9GB. Free memory was 2.9GB in the beginning and 2.0GB in the end (delta: 879.7MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * TraceAbstraction took 33143.33ms. Allocated memory is still 13.9GB. Free memory was 2.0GB in the beginning and 2.4GB in the end (delta: -359.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 127.41ms. Allocated memory is still 13.9GB. Free memory was 2.4GB in the beginning and 2.3GB in the end (delta: 45.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 44382]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L7] int m_stage2Separation = 1; [L8] int m_completion = 2; [L9] int m_tliBurn = 3; [L10] int m_loiBurn = 4; [L11] int m_stage1Separation = 5; [L12] int m_edsSeparation = 6; [L13] int m_lsamAscentRendezvous = 7; [L14] int m_smSeparation = 8; [L15] int m_eiBurn = 9; [L16] int m_lsamRendezvous = 10; [L17] int m_teiBurn = 11; [L18] int m_CEV = 12; [L19] int m_abort = 13; [L20] int m_enterOrbitOps = 14; [L21] int m_failure = 15; [L22] int m_lsamSeparation = 16; [L23] int m_abortPassiveLAScompletion = 17; [L24] int m_lasJettison = 18; [L25] int m_lsamAscentBurn = 19; [L26] int m_srbIgnition = 20; [L27] int m_deOrbit = 21; [L32] int q = 0; [L33] int method_id; [L36] int this_spacecraft_cLSAM_ASCENT = 0; [L37] int this_spacecraft_cEDS = 0; [L38] int this_spacecraft_cLSAM_DESCENT = 0; [L39] int this_spacecraft_cLAS = 1; [L40] int this_spacecraft_cStage1 = 1; [L41] int this_spacecraft_cStage2 = 1; [L42] int this_spacecraft_cCM = 1; [L43] int this_spacecraft_cSM = 1; VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, q=0, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND TRUE q == 0 [L58] COND TRUE __VERIFIER_nondet_int() [L62] method_id = 12 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=12, P1=1, P2=0, P3=0, P4=1, P5=0, q=0, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L64] COND FALSE !(0) [L68] q = 2 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=12, P1=1, P2=0, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND FALSE !(q == 0) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=12, P1=0, P2=1, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L76] COND FALSE !(q == 1) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=12, P1=0, P2=1, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L176] COND TRUE q == 2 [L177] COND FALSE !(__VERIFIER_nondet_int()) [L193] COND FALSE !(__VERIFIER_nondet_int()) [L209] COND FALSE !(__VERIFIER_nondet_int()) [L225] COND FALSE !(__VERIFIER_nondet_int()) [L241] COND FALSE !(__VERIFIER_nondet_int()) [L257] COND FALSE !(__VERIFIER_nondet_int()) [L273] COND FALSE !(__VERIFIER_nondet_int()) [L289] COND TRUE __VERIFIER_nondet_int() [L293] method_id = 8 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=8, P1=0, P2=1, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L295] COND FALSE !(0) [L299] q = 2 [L301] this_spacecraft_cLSAM_ASCENT=this_spacecraft_cLSAM_ASCENT [L301] this_spacecraft_cCM=this_spacecraft_cCM [L301] this_spacecraft_cSM=0 [L301] this_spacecraft_cLSAM_DESCENT=this_spacecraft_cLSAM_DESCENT [L301] this_spacecraft_cEDS=this_spacecraft_cEDS [L301] this_spacecraft_cLAS=this_spacecraft_cLAS [L301] this_spacecraft_cStage2=this_spacecraft_cStage2 [L301] this_spacecraft_cStage1=this_spacecraft_cStage1 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=8, P1=0, P2=1, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND FALSE !(q == 0) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=8, P1=0, P2=1, P3=0, P4=0, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L76] COND FALSE !(q == 1) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=8, P1=0, P2=1, P3=0, P4=0, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L176] COND TRUE q == 2 [L177] COND FALSE !(__VERIFIER_nondet_int()) [L193] COND FALSE !(__VERIFIER_nondet_int()) [L209] COND FALSE !(__VERIFIER_nondet_int()) [L225] COND FALSE !(__VERIFIER_nondet_int()) [L241] COND FALSE !(__VERIFIER_nondet_int()) [L257] COND FALSE !(__VERIFIER_nondet_int()) [L273] COND FALSE !(__VERIFIER_nondet_int()) [L289] COND FALSE !(__VERIFIER_nondet_int()) [L305] COND FALSE !(__VERIFIER_nondet_int()) [L321] COND FALSE !(__VERIFIER_nondet_int()) [L337] COND FALSE !(__VERIFIER_nondet_int()) [L353] COND FALSE !(__VERIFIER_nondet_int()) [L369] COND FALSE !(__VERIFIER_nondet_int()) [L385] COND FALSE !(__VERIFIER_nondet_int()) [L401] COND FALSE !(__VERIFIER_nondet_int()) [L417] COND FALSE !(__VERIFIER_nondet_int()) [L433] COND FALSE !(__VERIFIER_nondet_int()) [L449] COND FALSE !(__VERIFIER_nondet_int()) [L465] COND FALSE !(__VERIFIER_nondet_int()) [L481] COND FALSE !(__VERIFIER_nondet_int()) [L497] COND FALSE !(__VERIFIER_nondet_int()) [L513] COND FALSE !(__VERIFIER_nondet_int()) [L529] COND FALSE !(__VERIFIER_nondet_int()) [L545] COND FALSE !(__VERIFIER_nondet_int()) [L561] COND FALSE !(__VERIFIER_nondet_int()) [L577] COND FALSE !(__VERIFIER_nondet_int()) [L593] COND FALSE !(__VERIFIER_nondet_int()) [L609] COND FALSE !(__VERIFIER_nondet_int()) [L625] COND FALSE !(__VERIFIER_nondet_int()) [L641] COND FALSE !(__VERIFIER_nondet_int()) [L657] COND FALSE !(__VERIFIER_nondet_int()) [L673] COND FALSE !(__VERIFIER_nondet_int()) [L689] COND FALSE !(__VERIFIER_nondet_int()) [L705] COND FALSE !(__VERIFIER_nondet_int()) [L721] COND FALSE !(__VERIFIER_nondet_int()) [L737] COND FALSE !(__VERIFIER_nondet_int()) [L753] COND FALSE !(__VERIFIER_nondet_int()) [L769] COND FALSE !(__VERIFIER_nondet_int()) [L785] COND FALSE !(__VERIFIER_nondet_int()) [L801] COND FALSE !(__VERIFIER_nondet_int()) [L817] COND FALSE !(__VERIFIER_nondet_int()) [L833] COND FALSE !(__VERIFIER_nondet_int()) [L849] COND FALSE !(__VERIFIER_nondet_int()) [L865] COND FALSE !(__VERIFIER_nondet_int()) [L881] COND FALSE !(__VERIFIER_nondet_int()) [L897] COND FALSE !(__VERIFIER_nondet_int()) [L913] COND FALSE !(__VERIFIER_nondet_int()) [L929] COND FALSE !(__VERIFIER_nondet_int()) [L945] COND FALSE !(__VERIFIER_nondet_int()) [L961] COND FALSE !(__VERIFIER_nondet_int()) [L977] COND FALSE !(__VERIFIER_nondet_int()) [L993] COND FALSE !(__VERIFIER_nondet_int()) [L1009] COND FALSE !(__VERIFIER_nondet_int()) [L1025] COND FALSE !(__VERIFIER_nondet_int()) [L1041] COND FALSE !(__VERIFIER_nondet_int()) [L1057] COND FALSE !(__VERIFIER_nondet_int()) [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1089] COND FALSE !(__VERIFIER_nondet_int()) [L1105] COND FALSE !(__VERIFIER_nondet_int()) [L1121] COND FALSE !(__VERIFIER_nondet_int()) [L1137] COND FALSE !(__VERIFIER_nondet_int()) [L1153] COND FALSE !(__VERIFIER_nondet_int()) [L1169] COND FALSE !(__VERIFIER_nondet_int()) [L1185] COND FALSE !(__VERIFIER_nondet_int()) [L1201] COND FALSE !(__VERIFIER_nondet_int()) [L1217] COND FALSE !(__VERIFIER_nondet_int()) [L1233] COND FALSE !(__VERIFIER_nondet_int()) [L1249] COND FALSE !(__VERIFIER_nondet_int()) [L1265] COND FALSE !(__VERIFIER_nondet_int()) [L1281] COND FALSE !(__VERIFIER_nondet_int()) [L1297] COND FALSE !(__VERIFIER_nondet_int()) [L1313] COND FALSE !(__VERIFIER_nondet_int()) [L1329] COND FALSE !(__VERIFIER_nondet_int()) [L1345] COND FALSE !(__VERIFIER_nondet_int()) [L1361] COND FALSE !(__VERIFIER_nondet_int()) [L1377] COND FALSE !(__VERIFIER_nondet_int()) [L1393] COND FALSE !(__VERIFIER_nondet_int()) [L1409] COND FALSE !(__VERIFIER_nondet_int()) [L1425] COND FALSE !(__VERIFIER_nondet_int()) [L1441] COND FALSE !(__VERIFIER_nondet_int()) [L1457] COND FALSE !(__VERIFIER_nondet_int()) [L1473] COND FALSE !(__VERIFIER_nondet_int()) [L1489] COND FALSE !(__VERIFIER_nondet_int()) [L1505] COND FALSE !(__VERIFIER_nondet_int()) [L1521] COND FALSE !(__VERIFIER_nondet_int()) [L1537] COND FALSE !(__VERIFIER_nondet_int()) [L1553] COND FALSE !(__VERIFIER_nondet_int()) [L1569] COND FALSE !(__VERIFIER_nondet_int()) [L1585] COND FALSE !(__VERIFIER_nondet_int()) [L1601] COND FALSE !(__VERIFIER_nondet_int()) [L1617] COND FALSE !(__VERIFIER_nondet_int()) [L1633] COND FALSE !(__VERIFIER_nondet_int()) [L1649] COND FALSE !(__VERIFIER_nondet_int()) [L1665] COND FALSE !(__VERIFIER_nondet_int()) [L1681] COND FALSE !(__VERIFIER_nondet_int()) [L1697] COND FALSE !(__VERIFIER_nondet_int()) [L1713] COND FALSE !(__VERIFIER_nondet_int()) [L1729] COND FALSE !(__VERIFIER_nondet_int()) [L1745] COND FALSE !(__VERIFIER_nondet_int()) [L1761] COND FALSE !(__VERIFIER_nondet_int()) [L1777] COND FALSE !(__VERIFIER_nondet_int()) [L1793] COND FALSE !(__VERIFIER_nondet_int()) [L1809] COND FALSE !(__VERIFIER_nondet_int()) [L1825] COND FALSE !(__VERIFIER_nondet_int()) [L1841] COND FALSE !(__VERIFIER_nondet_int()) [L1857] COND FALSE !(__VERIFIER_nondet_int()) [L1873] COND FALSE !(__VERIFIER_nondet_int()) [L1889] COND FALSE !(__VERIFIER_nondet_int()) [L1905] COND FALSE !(__VERIFIER_nondet_int()) [L1921] COND FALSE !(__VERIFIER_nondet_int()) [L1937] COND FALSE !(__VERIFIER_nondet_int()) [L1953] COND FALSE !(__VERIFIER_nondet_int()) [L1969] COND FALSE !(__VERIFIER_nondet_int()) [L1985] COND FALSE !(__VERIFIER_nondet_int()) [L2001] COND FALSE !(__VERIFIER_nondet_int()) [L2017] COND FALSE !(__VERIFIER_nondet_int()) [L2033] COND FALSE !(__VERIFIER_nondet_int()) [L2049] COND FALSE !(__VERIFIER_nondet_int()) [L2065] COND FALSE !(__VERIFIER_nondet_int()) [L2081] COND FALSE !(__VERIFIER_nondet_int()) [L2097] COND FALSE !(__VERIFIER_nondet_int()) [L2113] COND FALSE !(__VERIFIER_nondet_int()) [L2129] COND FALSE !(__VERIFIER_nondet_int()) [L2145] COND FALSE !(__VERIFIER_nondet_int()) [L2161] COND FALSE !(__VERIFIER_nondet_int()) [L2177] COND FALSE !(__VERIFIER_nondet_int()) [L2193] COND FALSE !(__VERIFIER_nondet_int()) [L2209] COND FALSE !(__VERIFIER_nondet_int()) [L2225] COND FALSE !(__VERIFIER_nondet_int()) [L2241] COND FALSE !(__VERIFIER_nondet_int()) [L2257] COND FALSE !(__VERIFIER_nondet_int()) [L2273] COND FALSE !(__VERIFIER_nondet_int()) [L2289] COND FALSE !(__VERIFIER_nondet_int()) [L2305] COND FALSE !(__VERIFIER_nondet_int()) [L2321] COND FALSE !(__VERIFIER_nondet_int()) [L2337] COND FALSE !(__VERIFIER_nondet_int()) [L2353] COND FALSE !(__VERIFIER_nondet_int()) [L2369] COND FALSE !(__VERIFIER_nondet_int()) [L2385] COND FALSE !(__VERIFIER_nondet_int()) [L2401] COND FALSE !(__VERIFIER_nondet_int()) [L2417] COND FALSE !(__VERIFIER_nondet_int()) [L2433] COND FALSE !(__VERIFIER_nondet_int()) [L2449] COND FALSE !(__VERIFIER_nondet_int()) [L2465] COND FALSE !(__VERIFIER_nondet_int()) [L2481] COND FALSE !(__VERIFIER_nondet_int()) [L2497] COND FALSE !(__VERIFIER_nondet_int()) [L2513] COND FALSE !(__VERIFIER_nondet_int()) [L2529] COND FALSE !(__VERIFIER_nondet_int()) [L2545] COND FALSE !(__VERIFIER_nondet_int()) [L2561] COND FALSE !(__VERIFIER_nondet_int()) [L2577] COND FALSE !(__VERIFIER_nondet_int()) [L2593] COND FALSE !(__VERIFIER_nondet_int()) [L2609] COND FALSE !(__VERIFIER_nondet_int()) [L2625] COND FALSE !(__VERIFIER_nondet_int()) [L2641] COND FALSE !(__VERIFIER_nondet_int()) [L2657] COND FALSE !(__VERIFIER_nondet_int()) [L2673] COND FALSE !(__VERIFIER_nondet_int()) [L2689] COND FALSE !(__VERIFIER_nondet_int()) [L2705] COND FALSE !(__VERIFIER_nondet_int()) [L2721] COND FALSE !(__VERIFIER_nondet_int()) [L2737] COND FALSE !(__VERIFIER_nondet_int()) [L2753] COND FALSE !(__VERIFIER_nondet_int()) [L2769] COND FALSE !(__VERIFIER_nondet_int()) [L2785] COND FALSE !(__VERIFIER_nondet_int()) [L2801] COND FALSE !(__VERIFIER_nondet_int()) [L2817] COND FALSE !(__VERIFIER_nondet_int()) [L2833] COND FALSE !(__VERIFIER_nondet_int()) [L2849] COND FALSE !(__VERIFIER_nondet_int()) [L2865] COND FALSE !(__VERIFIER_nondet_int()) [L2881] COND FALSE !(__VERIFIER_nondet_int()) [L2897] COND FALSE !(__VERIFIER_nondet_int()) [L2913] COND FALSE !(__VERIFIER_nondet_int()) [L2929] COND FALSE !(__VERIFIER_nondet_int()) [L2945] COND FALSE !(__VERIFIER_nondet_int()) [L2961] COND FALSE !(__VERIFIER_nondet_int()) [L2977] COND FALSE !(__VERIFIER_nondet_int()) [L2993] COND FALSE !(__VERIFIER_nondet_int()) [L3009] COND FALSE !(__VERIFIER_nondet_int()) [L3025] COND FALSE !(__VERIFIER_nondet_int()) [L3041] COND FALSE !(__VERIFIER_nondet_int()) [L3057] COND FALSE !(__VERIFIER_nondet_int()) [L3073] COND FALSE !(__VERIFIER_nondet_int()) [L3089] COND FALSE !(__VERIFIER_nondet_int()) [L3105] COND FALSE !(__VERIFIER_nondet_int()) [L3121] COND FALSE !(__VERIFIER_nondet_int()) [L3137] COND FALSE !(__VERIFIER_nondet_int()) [L3153] COND FALSE !(__VERIFIER_nondet_int()) [L3169] COND FALSE !(__VERIFIER_nondet_int()) [L3185] COND FALSE !(__VERIFIER_nondet_int()) [L3201] COND FALSE !(__VERIFIER_nondet_int()) [L3217] COND FALSE !(__VERIFIER_nondet_int()) [L3233] COND FALSE !(__VERIFIER_nondet_int()) [L3249] COND FALSE !(__VERIFIER_nondet_int()) [L3265] COND FALSE !(__VERIFIER_nondet_int()) [L3281] COND FALSE !(__VERIFIER_nondet_int()) [L3297] COND FALSE !(__VERIFIER_nondet_int()) [L3313] COND FALSE !(__VERIFIER_nondet_int()) [L3329] COND FALSE !(__VERIFIER_nondet_int()) [L3345] COND FALSE !(__VERIFIER_nondet_int()) [L3361] COND FALSE !(__VERIFIER_nondet_int()) [L3377] COND FALSE !(__VERIFIER_nondet_int()) [L3393] COND FALSE !(__VERIFIER_nondet_int()) [L3409] COND FALSE !(__VERIFIER_nondet_int()) [L3425] COND FALSE !(__VERIFIER_nondet_int()) [L3441] COND FALSE !(__VERIFIER_nondet_int()) [L3457] COND FALSE !(__VERIFIER_nondet_int()) [L3473] COND FALSE !(__VERIFIER_nondet_int()) [L3489] COND FALSE !(__VERIFIER_nondet_int()) [L3505] COND FALSE !(__VERIFIER_nondet_int()) [L3521] COND FALSE !(__VERIFIER_nondet_int()) [L3537] COND FALSE !(__VERIFIER_nondet_int()) [L3553] COND FALSE !(__VERIFIER_nondet_int()) [L3569] COND FALSE !(__VERIFIER_nondet_int()) [L3585] COND FALSE !(__VERIFIER_nondet_int()) [L3601] COND FALSE !(__VERIFIER_nondet_int()) [L3617] COND FALSE !(__VERIFIER_nondet_int()) [L3633] COND FALSE !(__VERIFIER_nondet_int()) [L3649] COND FALSE !(__VERIFIER_nondet_int()) [L3665] COND FALSE !(__VERIFIER_nondet_int()) [L3681] COND FALSE !(__VERIFIER_nondet_int()) [L3697] COND FALSE !(__VERIFIER_nondet_int()) [L3713] COND FALSE !(__VERIFIER_nondet_int()) [L3729] COND FALSE !(__VERIFIER_nondet_int()) [L3745] COND FALSE !(__VERIFIER_nondet_int()) [L3761] COND FALSE !(__VERIFIER_nondet_int()) [L3777] COND FALSE !(__VERIFIER_nondet_int()) [L3793] COND FALSE !(__VERIFIER_nondet_int()) [L3809] COND FALSE !(__VERIFIER_nondet_int()) [L3825] COND FALSE !(__VERIFIER_nondet_int()) [L3841] COND FALSE !(__VERIFIER_nondet_int()) [L3857] COND FALSE !(__VERIFIER_nondet_int()) [L3873] COND FALSE !(__VERIFIER_nondet_int()) [L3889] COND FALSE !(__VERIFIER_nondet_int()) [L3905] COND FALSE !(__VERIFIER_nondet_int()) [L3921] COND FALSE !(__VERIFIER_nondet_int()) [L3937] COND FALSE !(__VERIFIER_nondet_int()) [L3953] COND FALSE !(__VERIFIER_nondet_int()) [L3969] COND FALSE !(__VERIFIER_nondet_int()) [L3985] COND FALSE !(__VERIFIER_nondet_int()) [L4001] COND FALSE !(__VERIFIER_nondet_int()) [L4017] COND FALSE !(__VERIFIER_nondet_int()) [L4033] COND FALSE !(__VERIFIER_nondet_int()) [L4049] COND FALSE !(__VERIFIER_nondet_int()) [L4065] COND FALSE !(__VERIFIER_nondet_int()) [L4081] COND FALSE !(__VERIFIER_nondet_int()) [L4097] COND FALSE !(__VERIFIER_nondet_int()) [L4113] COND FALSE !(__VERIFIER_nondet_int()) [L4129] COND FALSE !(__VERIFIER_nondet_int()) [L4145] COND FALSE !(__VERIFIER_nondet_int()) [L4161] COND FALSE !(__VERIFIER_nondet_int()) [L4177] COND FALSE !(__VERIFIER_nondet_int()) [L4193] COND FALSE !(__VERIFIER_nondet_int()) [L4209] COND FALSE !(__VERIFIER_nondet_int()) [L4225] COND FALSE !(__VERIFIER_nondet_int()) [L4241] COND FALSE !(__VERIFIER_nondet_int()) [L4257] COND FALSE !(__VERIFIER_nondet_int()) [L4273] COND FALSE !(__VERIFIER_nondet_int()) [L4289] COND FALSE !(__VERIFIER_nondet_int()) [L4305] COND FALSE !(__VERIFIER_nondet_int()) [L4321] COND FALSE !(__VERIFIER_nondet_int()) [L4337] COND FALSE !(__VERIFIER_nondet_int()) [L4353] COND FALSE !(__VERIFIER_nondet_int()) [L4369] COND FALSE !(__VERIFIER_nondet_int()) [L4385] COND FALSE !(__VERIFIER_nondet_int()) [L4401] COND FALSE !(__VERIFIER_nondet_int()) [L4417] COND FALSE !(__VERIFIER_nondet_int()) [L4433] COND FALSE !(__VERIFIER_nondet_int()) [L4449] COND FALSE !(__VERIFIER_nondet_int()) [L4465] COND FALSE !(__VERIFIER_nondet_int()) [L4481] COND FALSE !(__VERIFIER_nondet_int()) [L4497] COND FALSE !(__VERIFIER_nondet_int()) [L4513] COND FALSE !(__VERIFIER_nondet_int()) [L4529] COND TRUE __VERIFIER_nondet_int() [L4533] method_id = 18 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=0, P2=1, P3=0, P4=0, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L4535] COND FALSE !(0) [L4539] q = 4 [L4541] this_spacecraft_cLSAM_ASCENT=this_spacecraft_cLSAM_ASCENT [L4541] this_spacecraft_cCM=this_spacecraft_cCM [L4541] this_spacecraft_cSM=this_spacecraft_cSM [L4541] this_spacecraft_cLSAM_DESCENT=this_spacecraft_cLSAM_DESCENT [L4541] this_spacecraft_cEDS=this_spacecraft_cEDS [L4541] this_spacecraft_cLAS=0 [L4541] this_spacecraft_cStage2=this_spacecraft_cStage2 [L4541] this_spacecraft_cStage1=this_spacecraft_cStage1 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=0, P2=1, P3=0, P4=0, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND FALSE !(q == 0) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=1, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L76] COND FALSE !(q == 1) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=1, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L176] COND FALSE !(q == 2) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=1, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L4596] COND FALSE !(q == 3) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=1, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L9016] COND TRUE q == 4 [L9017] COND FALSE !(__VERIFIER_nondet_int()) [L9033] COND FALSE !(__VERIFIER_nondet_int()) [L9049] COND FALSE !(__VERIFIER_nondet_int()) [L9065] COND FALSE !(__VERIFIER_nondet_int()) [L9081] COND FALSE !(__VERIFIER_nondet_int()) [L9097] COND FALSE !(__VERIFIER_nondet_int()) [L9113] COND FALSE !(__VERIFIER_nondet_int()) [L9129] COND FALSE !(__VERIFIER_nondet_int()) [L9145] COND FALSE !(__VERIFIER_nondet_int()) [L9161] COND FALSE !(__VERIFIER_nondet_int()) [L9177] COND FALSE !(__VERIFIER_nondet_int()) [L9193] COND FALSE !(__VERIFIER_nondet_int()) [L9209] COND FALSE !(__VERIFIER_nondet_int()) [L9225] COND FALSE !(__VERIFIER_nondet_int()) [L9241] COND FALSE !(__VERIFIER_nondet_int()) [L9257] COND FALSE !(__VERIFIER_nondet_int()) [L9273] COND FALSE !(__VERIFIER_nondet_int()) [L9289] COND FALSE !(__VERIFIER_nondet_int()) [L9305] COND FALSE !(__VERIFIER_nondet_int()) [L9321] COND FALSE !(__VERIFIER_nondet_int()) [L9337] COND FALSE !(__VERIFIER_nondet_int()) [L9353] COND FALSE !(__VERIFIER_nondet_int()) [L9369] COND FALSE !(__VERIFIER_nondet_int()) [L9385] COND FALSE !(__VERIFIER_nondet_int()) [L9401] COND FALSE !(__VERIFIER_nondet_int()) [L9417] COND FALSE !(__VERIFIER_nondet_int()) [L9433] COND FALSE !(__VERIFIER_nondet_int()) [L9449] COND FALSE !(__VERIFIER_nondet_int()) [L9465] COND FALSE !(__VERIFIER_nondet_int()) [L9481] COND FALSE !(__VERIFIER_nondet_int()) [L9497] COND FALSE !(__VERIFIER_nondet_int()) [L9513] COND FALSE !(__VERIFIER_nondet_int()) [L9529] COND FALSE !(__VERIFIER_nondet_int()) [L9545] COND FALSE !(__VERIFIER_nondet_int()) [L9561] COND FALSE !(__VERIFIER_nondet_int()) [L9577] COND FALSE !(__VERIFIER_nondet_int()) [L9593] COND FALSE !(__VERIFIER_nondet_int()) [L9609] COND FALSE !(__VERIFIER_nondet_int()) [L9625] COND FALSE !(__VERIFIER_nondet_int()) [L9641] COND FALSE !(__VERIFIER_nondet_int()) [L9657] COND FALSE !(__VERIFIER_nondet_int()) [L9673] COND FALSE !(__VERIFIER_nondet_int()) [L9689] COND FALSE !(__VERIFIER_nondet_int()) [L9705] COND FALSE !(__VERIFIER_nondet_int()) [L9721] COND FALSE !(__VERIFIER_nondet_int()) [L9737] COND FALSE !(__VERIFIER_nondet_int()) [L9753] COND FALSE !(__VERIFIER_nondet_int()) [L9769] COND FALSE !(__VERIFIER_nondet_int()) [L9785] COND FALSE !(__VERIFIER_nondet_int()) [L9801] COND FALSE !(__VERIFIER_nondet_int()) [L9817] COND FALSE !(__VERIFIER_nondet_int()) [L9833] COND FALSE !(__VERIFIER_nondet_int()) [L9849] COND FALSE !(__VERIFIER_nondet_int()) [L9865] COND FALSE !(__VERIFIER_nondet_int()) [L9881] COND FALSE !(__VERIFIER_nondet_int()) [L9897] COND FALSE !(__VERIFIER_nondet_int()) [L9913] COND FALSE !(__VERIFIER_nondet_int()) [L9929] COND FALSE !(__VERIFIER_nondet_int()) [L9945] COND FALSE !(__VERIFIER_nondet_int()) [L9961] COND FALSE !(__VERIFIER_nondet_int()) [L9977] COND FALSE !(__VERIFIER_nondet_int()) [L9993] COND FALSE !(__VERIFIER_nondet_int()) [L10009] COND FALSE !(__VERIFIER_nondet_int()) [L10025] COND FALSE !(__VERIFIER_nondet_int()) [L10041] COND FALSE !(__VERIFIER_nondet_int()) [L10057] COND FALSE !(__VERIFIER_nondet_int()) [L10073] COND FALSE !(__VERIFIER_nondet_int()) [L10089] COND FALSE !(__VERIFIER_nondet_int()) [L10105] COND FALSE !(__VERIFIER_nondet_int()) [L10121] COND FALSE !(__VERIFIER_nondet_int()) [L10137] COND FALSE !(__VERIFIER_nondet_int()) [L10153] COND FALSE !(__VERIFIER_nondet_int()) [L10169] COND FALSE !(__VERIFIER_nondet_int()) [L10185] COND FALSE !(__VERIFIER_nondet_int()) [L10201] COND FALSE !(__VERIFIER_nondet_int()) [L10217] COND FALSE !(__VERIFIER_nondet_int()) [L10233] COND FALSE !(__VERIFIER_nondet_int()) [L10249] COND FALSE !(__VERIFIER_nondet_int()) [L10265] COND FALSE !(__VERIFIER_nondet_int()) [L10281] COND FALSE !(__VERIFIER_nondet_int()) [L10297] COND FALSE !(__VERIFIER_nondet_int()) [L10313] COND FALSE !(__VERIFIER_nondet_int()) [L10329] COND FALSE !(__VERIFIER_nondet_int()) [L10345] COND FALSE !(__VERIFIER_nondet_int()) [L10361] COND FALSE !(__VERIFIER_nondet_int()) [L10377] COND FALSE !(__VERIFIER_nondet_int()) [L10393] COND FALSE !(__VERIFIER_nondet_int()) [L10409] COND FALSE !(__VERIFIER_nondet_int()) [L10425] COND FALSE !(__VERIFIER_nondet_int()) [L10441] COND FALSE !(__VERIFIER_nondet_int()) [L10457] COND FALSE !(__VERIFIER_nondet_int()) [L10473] COND FALSE !(__VERIFIER_nondet_int()) [L10489] COND FALSE !(__VERIFIER_nondet_int()) [L10505] COND FALSE !(__VERIFIER_nondet_int()) [L10521] COND FALSE !(__VERIFIER_nondet_int()) [L10537] COND FALSE !(__VERIFIER_nondet_int()) [L10553] COND FALSE !(__VERIFIER_nondet_int()) [L10569] COND FALSE !(__VERIFIER_nondet_int()) [L10585] COND FALSE !(__VERIFIER_nondet_int()) [L10601] COND FALSE !(__VERIFIER_nondet_int()) [L10617] COND FALSE !(__VERIFIER_nondet_int()) [L10633] COND FALSE !(__VERIFIER_nondet_int()) [L10649] COND FALSE !(__VERIFIER_nondet_int()) [L10665] COND FALSE !(__VERIFIER_nondet_int()) [L10681] COND FALSE !(__VERIFIER_nondet_int()) [L10697] COND FALSE !(__VERIFIER_nondet_int()) [L10713] COND FALSE !(__VERIFIER_nondet_int()) [L10729] COND FALSE !(__VERIFIER_nondet_int()) [L10745] COND FALSE !(__VERIFIER_nondet_int()) [L10761] COND FALSE !(__VERIFIER_nondet_int()) [L10777] COND FALSE !(__VERIFIER_nondet_int()) [L10793] COND FALSE !(__VERIFIER_nondet_int()) [L10809] COND FALSE !(__VERIFIER_nondet_int()) [L10825] COND FALSE !(__VERIFIER_nondet_int()) [L10841] COND FALSE !(__VERIFIER_nondet_int()) [L10857] COND FALSE !(__VERIFIER_nondet_int()) [L10873] COND FALSE !(__VERIFIER_nondet_int()) [L10889] COND FALSE !(__VERIFIER_nondet_int()) [L10905] COND FALSE !(__VERIFIER_nondet_int()) [L10921] COND FALSE !(__VERIFIER_nondet_int()) [L10937] COND FALSE !(__VERIFIER_nondet_int()) [L10953] COND FALSE !(__VERIFIER_nondet_int()) [L10969] COND FALSE !(__VERIFIER_nondet_int()) [L10985] COND FALSE !(__VERIFIER_nondet_int()) [L11001] COND FALSE !(__VERIFIER_nondet_int()) [L11017] COND FALSE !(__VERIFIER_nondet_int()) [L11033] COND FALSE !(__VERIFIER_nondet_int()) [L11049] COND FALSE !(__VERIFIER_nondet_int()) [L11065] COND FALSE !(__VERIFIER_nondet_int()) [L11081] COND FALSE !(__VERIFIER_nondet_int()) [L11097] COND FALSE !(__VERIFIER_nondet_int()) [L11113] COND FALSE !(__VERIFIER_nondet_int()) [L11129] COND FALSE !(__VERIFIER_nondet_int()) [L11145] COND FALSE !(__VERIFIER_nondet_int()) [L11161] COND FALSE !(__VERIFIER_nondet_int()) [L11177] COND FALSE !(__VERIFIER_nondet_int()) [L11193] COND FALSE !(__VERIFIER_nondet_int()) [L11209] COND FALSE !(__VERIFIER_nondet_int()) [L11225] COND FALSE !(__VERIFIER_nondet_int()) [L11241] COND FALSE !(__VERIFIER_nondet_int()) [L11257] COND FALSE !(__VERIFIER_nondet_int()) [L11273] COND FALSE !(__VERIFIER_nondet_int()) [L11289] COND FALSE !(__VERIFIER_nondet_int()) [L11305] COND FALSE !(__VERIFIER_nondet_int()) [L11321] COND FALSE !(__VERIFIER_nondet_int()) [L11337] COND FALSE !(__VERIFIER_nondet_int()) [L11353] COND FALSE !(__VERIFIER_nondet_int()) [L11369] COND FALSE !(__VERIFIER_nondet_int()) [L11385] COND FALSE !(__VERIFIER_nondet_int()) [L11401] COND FALSE !(__VERIFIER_nondet_int()) [L11417] COND FALSE !(__VERIFIER_nondet_int()) [L11433] COND FALSE !(__VERIFIER_nondet_int()) [L11449] COND FALSE !(__VERIFIER_nondet_int()) [L11465] COND FALSE !(__VERIFIER_nondet_int()) [L11481] COND FALSE !(__VERIFIER_nondet_int()) [L11497] COND FALSE !(__VERIFIER_nondet_int()) [L11513] COND FALSE !(__VERIFIER_nondet_int()) [L11529] COND FALSE !(__VERIFIER_nondet_int()) [L11545] COND FALSE !(__VERIFIER_nondet_int()) [L11561] COND FALSE !(__VERIFIER_nondet_int()) [L11577] COND FALSE !(__VERIFIER_nondet_int()) [L11593] COND FALSE !(__VERIFIER_nondet_int()) [L11609] COND FALSE !(__VERIFIER_nondet_int()) [L11625] COND FALSE !(__VERIFIER_nondet_int()) [L11641] COND FALSE !(__VERIFIER_nondet_int()) [L11657] COND FALSE !(__VERIFIER_nondet_int()) [L11673] COND FALSE !(__VERIFIER_nondet_int()) [L11689] COND FALSE !(__VERIFIER_nondet_int()) [L11705] COND FALSE !(__VERIFIER_nondet_int()) [L11721] COND FALSE !(__VERIFIER_nondet_int()) [L11737] COND FALSE !(__VERIFIER_nondet_int()) [L11753] COND FALSE !(__VERIFIER_nondet_int()) [L11769] COND FALSE !(__VERIFIER_nondet_int()) [L11785] COND FALSE !(__VERIFIER_nondet_int()) [L11801] COND FALSE !(__VERIFIER_nondet_int()) [L11817] COND FALSE !(__VERIFIER_nondet_int()) [L11833] COND FALSE !(__VERIFIER_nondet_int()) [L11849] COND FALSE !(__VERIFIER_nondet_int()) [L11865] COND FALSE !(__VERIFIER_nondet_int()) [L11881] COND FALSE !(__VERIFIER_nondet_int()) [L11897] COND FALSE !(__VERIFIER_nondet_int()) [L11913] COND FALSE !(__VERIFIER_nondet_int()) [L11929] COND FALSE !(__VERIFIER_nondet_int()) [L11945] COND FALSE !(__VERIFIER_nondet_int()) [L11961] COND FALSE !(__VERIFIER_nondet_int()) [L11977] COND FALSE !(__VERIFIER_nondet_int()) [L11993] COND FALSE !(__VERIFIER_nondet_int()) [L12009] COND FALSE !(__VERIFIER_nondet_int()) [L12025] COND FALSE !(__VERIFIER_nondet_int()) [L12041] COND FALSE !(__VERIFIER_nondet_int()) [L12057] COND FALSE !(__VERIFIER_nondet_int()) [L12073] COND FALSE !(__VERIFIER_nondet_int()) [L12089] COND FALSE !(__VERIFIER_nondet_int()) [L12105] COND FALSE !(__VERIFIER_nondet_int()) [L12121] COND FALSE !(__VERIFIER_nondet_int()) [L12137] COND FALSE !(__VERIFIER_nondet_int()) [L12153] COND FALSE !(__VERIFIER_nondet_int()) [L12169] COND FALSE !(__VERIFIER_nondet_int()) [L12185] COND FALSE !(__VERIFIER_nondet_int()) [L12201] COND FALSE !(__VERIFIER_nondet_int()) [L12217] COND FALSE !(__VERIFIER_nondet_int()) [L12233] COND FALSE !(__VERIFIER_nondet_int()) [L12249] COND FALSE !(__VERIFIER_nondet_int()) [L12265] COND FALSE !(__VERIFIER_nondet_int()) [L12281] COND FALSE !(__VERIFIER_nondet_int()) [L12297] COND FALSE !(__VERIFIER_nondet_int()) [L12313] COND FALSE !(__VERIFIER_nondet_int()) [L12329] COND FALSE !(__VERIFIER_nondet_int()) [L12345] COND FALSE !(__VERIFIER_nondet_int()) [L12361] COND FALSE !(__VERIFIER_nondet_int()) [L12377] COND FALSE !(__VERIFIER_nondet_int()) [L12393] COND FALSE !(__VERIFIER_nondet_int()) [L12409] COND FALSE !(__VERIFIER_nondet_int()) [L12425] COND FALSE !(__VERIFIER_nondet_int()) [L12441] COND FALSE !(__VERIFIER_nondet_int()) [L12457] COND FALSE !(__VERIFIER_nondet_int()) [L12473] COND FALSE !(__VERIFIER_nondet_int()) [L12489] COND FALSE !(__VERIFIER_nondet_int()) [L12505] COND FALSE !(__VERIFIER_nondet_int()) [L12521] COND FALSE !(__VERIFIER_nondet_int()) [L12537] COND FALSE !(__VERIFIER_nondet_int()) [L12553] COND FALSE !(__VERIFIER_nondet_int()) [L12569] COND FALSE !(__VERIFIER_nondet_int()) [L12585] COND FALSE !(__VERIFIER_nondet_int()) [L12601] COND FALSE !(__VERIFIER_nondet_int()) [L12617] COND FALSE !(__VERIFIER_nondet_int()) [L12633] COND FALSE !(__VERIFIER_nondet_int()) [L12649] COND FALSE !(__VERIFIER_nondet_int()) [L12665] COND FALSE !(__VERIFIER_nondet_int()) [L12681] COND FALSE !(__VERIFIER_nondet_int()) [L12697] COND FALSE !(__VERIFIER_nondet_int()) [L12713] COND FALSE !(__VERIFIER_nondet_int()) [L12729] COND FALSE !(__VERIFIER_nondet_int()) [L12745] COND FALSE !(__VERIFIER_nondet_int()) [L12761] COND FALSE !(__VERIFIER_nondet_int()) [L12777] COND FALSE !(__VERIFIER_nondet_int()) [L12793] COND FALSE !(__VERIFIER_nondet_int()) [L12809] COND FALSE !(__VERIFIER_nondet_int()) [L12825] COND FALSE !(__VERIFIER_nondet_int()) [L12841] COND FALSE !(__VERIFIER_nondet_int()) [L12857] COND FALSE !(__VERIFIER_nondet_int()) [L12873] COND FALSE !(__VERIFIER_nondet_int()) [L12889] COND FALSE !(__VERIFIER_nondet_int()) [L12905] COND FALSE !(__VERIFIER_nondet_int()) [L12921] COND FALSE !(__VERIFIER_nondet_int()) [L12937] COND FALSE !(__VERIFIER_nondet_int()) [L12953] COND FALSE !(__VERIFIER_nondet_int()) [L12969] COND FALSE !(__VERIFIER_nondet_int()) [L12985] COND FALSE !(__VERIFIER_nondet_int()) [L13001] COND FALSE !(__VERIFIER_nondet_int()) [L13017] COND FALSE !(__VERIFIER_nondet_int()) [L13033] COND FALSE !(__VERIFIER_nondet_int()) [L13049] COND FALSE !(__VERIFIER_nondet_int()) [L13065] COND FALSE !(__VERIFIER_nondet_int()) [L13081] COND FALSE !(__VERIFIER_nondet_int()) [L13097] COND FALSE !(__VERIFIER_nondet_int()) [L13113] COND FALSE !(__VERIFIER_nondet_int()) [L13129] COND FALSE !(__VERIFIER_nondet_int()) [L13145] COND FALSE !(__VERIFIER_nondet_int()) [L13161] COND FALSE !(__VERIFIER_nondet_int()) [L13177] COND FALSE !(__VERIFIER_nondet_int()) [L13193] COND FALSE !(__VERIFIER_nondet_int()) [L13209] COND FALSE !(__VERIFIER_nondet_int()) [L13225] COND FALSE !(__VERIFIER_nondet_int()) [L13241] COND FALSE !(__VERIFIER_nondet_int()) [L13257] COND FALSE !(__VERIFIER_nondet_int()) [L13273] COND FALSE !(__VERIFIER_nondet_int()) [L13289] COND FALSE !(__VERIFIER_nondet_int()) [L13305] COND FALSE !(__VERIFIER_nondet_int()) [L13321] COND FALSE !(__VERIFIER_nondet_int()) [L13337] COND FALSE !(__VERIFIER_nondet_int()) [L13353] COND FALSE !(__VERIFIER_nondet_int()) [L13369] COND FALSE !(__VERIFIER_nondet_int()) [L13385] COND FALSE !(__VERIFIER_nondet_int()) [L13401] COND FALSE !(__VERIFIER_nondet_int()) [L13417] COND TRUE __VERIFIER_nondet_int() [L13421] method_id = 21 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=21, P1=1, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L13423] COND TRUE (!this_spacecraft_cEDS && (!this_spacecraft_cLSAM_ASCENT && (!this_spacecraft_cSM && !this_spacecraft_cLAS))) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=21, P1=1, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L44382] reach_error() VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=21, P1=1, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8321 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.0s, OverallIterations: 21, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68578 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68578 mSDsluCounter, 310917 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 134051 mSDsCounter, 1317 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3880 IncrementalHoareTripleChecker+Invalid, 5197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1317 mSolverCounterUnsat, 176866 mSDtfsCounter, 3880 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39535occurred in iteration=20, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 532 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 5726 NumberOfCodeBlocks, 5726 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 5121 ConstructedInterpolants, 0 QuantifiedInterpolants, 15836 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 307/307 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! [2022-12-14 13:11:07,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4f842d-deeb-45c7-90e4-d1b0861e8f5a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE