./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_cev_1.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_b4ab9804-06e1-450c-8942-9e9bc22485e1/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4ab9804-06e1-450c-8942-9e9bc22485e1/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_b4ab9804-06e1-450c-8942-9e9bc22485e1/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4ab9804-06e1-450c-8942-9e9bc22485e1/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_cev_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4ab9804-06e1-450c-8942-9e9bc22485e1/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_b4ab9804-06e1-450c-8942-9e9bc22485e1/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 b82cd3f33cd0371ecc54fd5e695dfc217a404774be3accec066f09c695f7181a --- 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 07:17:03,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:17:03,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:17:03,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:17:03,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:17:03,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:17:03,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:17:03,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:17:03,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:17:03,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:17:03,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:17:03,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:17:03,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:17:03,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:17:03,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:17:03,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:17:03,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:17:03,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:17:03,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:17:03,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:17:03,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:17:03,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:17:03,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:17:03,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:17:03,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:17:03,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:17:03,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:17:03,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:17:03,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:17:03,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:17:03,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:17:03,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:17:03,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:17:03,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:17:03,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:17:03,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:17:03,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:17:03,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:17:03,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:17:03,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:17:03,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:17:03,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4ab9804-06e1-450c-8942-9e9bc22485e1/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 07:17:03,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:17:03,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:17:03,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:17:03,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:17:03,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:17:03,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:17:03,443 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:17:03,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:17:03,444 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:17:03,444 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:17:03,444 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:17:03,444 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:17:03,444 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:17:03,444 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:17:03,445 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:17:03,445 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:17:03,445 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:17:03,445 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:17:03,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:17:03,446 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:17:03,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:17:03,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:17:03,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:17:03,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:17:03,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:17:03,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:17:03,447 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:17:03,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:17:03,447 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:17:03,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:17:03,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:17:03,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:17:03,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:17:03,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:17:03,448 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:17:03,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:17:03,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:17:03,449 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:17:03,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:17:03,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:17:03,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:17:03,450 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_b4ab9804-06e1-450c-8942-9e9bc22485e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4ab9804-06e1-450c-8942-9e9bc22485e1/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b82cd3f33cd0371ecc54fd5e695dfc217a404774be3accec066f09c695f7181a [2022-12-14 07:17:03,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:17:03,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:17:03,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:17:03,668 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:17:03,668 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:17:03,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4ab9804-06e1-450c-8942-9e9bc22485e1/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/psyco/psyco_cev_1.c [2022-12-14 07:17:06,259 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:17:10,864 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:17:10,864 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4ab9804-06e1-450c-8942-9e9bc22485e1/sv-benchmarks/c/psyco/psyco_cev_1.c [2022-12-14 07:17:12,099 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4ab9804-06e1-450c-8942-9e9bc22485e1/bin/utaipan-gh47qXpMRh/data/2dbc4e2fe/f25f758349434e16a305b444de6aac7e/FLAG182441387 [2022-12-14 07:17:12,111 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4ab9804-06e1-450c-8942-9e9bc22485e1/bin/utaipan-gh47qXpMRh/data/2dbc4e2fe/f25f758349434e16a305b444de6aac7e [2022-12-14 07:17:12,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:17:12,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:17:12,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:17:12,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:17:12,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:17:12,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:17:12" (1/1) ... [2022-12-14 07:17:12,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a850b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:17:12, skipping insertion in model container [2022-12-14 07:17:12,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:17:12" (1/1) ... [2022-12-14 07:17:12,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:17:16,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:18:29,213 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_b4ab9804-06e1-450c-8942-9e9bc22485e1/sv-benchmarks/c/psyco/psyco_cev_1.c[48648179,48648192] [2022-12-14 07:18:29,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:18:29,418 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:19:23,006 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_b4ab9804-06e1-450c-8942-9e9bc22485e1/sv-benchmarks/c/psyco/psyco_cev_1.c[48648179,48648192] [2022-12-14 07:19:23,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:19:23,289 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:19:23,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:19:23 WrapperNode [2022-12-14 07:19:23,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:19:23,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:19:23,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:19:23,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:19:23,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:19:23" (1/1) ... [2022-12-14 07:19:26,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:19:23" (1/1) ... [2022-12-14 07:19:35,462 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29790 [2022-12-14 07:19:35,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:19:35,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:19:35,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:19:35,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:19:35,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:19:23" (1/1) ... [2022-12-14 07:19:35,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:19:23" (1/1) ... [2022-12-14 07:19:38,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:19:23" (1/1) ... [2022-12-14 07:19:38,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:19:23" (1/1) ... [2022-12-14 07:19:43,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:19:23" (1/1) ... [2022-12-14 07:19:43,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:19:23" (1/1) ... [2022-12-14 07:19:43,923 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:19:23" (1/1) ... [2022-12-14 07:19:44,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:19:23" (1/1) ... [2022-12-14 07:19:46,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:19:46,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:19:46,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:19:46,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:19:46,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:19:23" (1/1) ... [2022-12-14 07:19:46,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:19:47,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4ab9804-06e1-450c-8942-9e9bc22485e1/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:19:47,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4ab9804-06e1-450c-8942-9e9bc22485e1/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:19:47,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4ab9804-06e1-450c-8942-9e9bc22485e1/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:19:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:19:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:19:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:19:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:19:47,535 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:19:47,537 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:20:07,933 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:20:08,024 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:20:08,024 INFO L300 CfgBuilder]: Removed 122 assume(true) statements. [2022-12-14 07:20:08,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:20:08 BoogieIcfgContainer [2022-12-14 07:20:08,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:20:08,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:20:08,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:20:08,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:20:08,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:17:12" (1/3) ... [2022-12-14 07:20:08,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8c9e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:20:08, skipping insertion in model container [2022-12-14 07:20:08,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:19:23" (2/3) ... [2022-12-14 07:20:08,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8c9e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:20:08, skipping insertion in model container [2022-12-14 07:20:08,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:20:08" (3/3) ... [2022-12-14 07:20:08,042 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_cev_1.c [2022-12-14 07:20:08,059 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:20:08,059 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:20:08,221 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:20:08,229 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;@7d3f49fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:20:08,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:20:08,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 5005 states, 5003 states have (on average 1.9994003597841294) internal successors, (10003), 5004 states have internal predecessors, (10003), 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 07:20:08,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 07:20:08,259 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:08,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:20:08,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:08,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:08,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1974014897, now seen corresponding path program 1 times [2022-12-14 07:20:08,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:08,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616014150] [2022-12-14 07:20:08,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:08,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:08,458 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 07:20:08,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:08,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616014150] [2022-12-14 07:20:08,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616014150] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:08,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:08,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:20:08,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822835413] [2022-12-14 07:20:08,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:08,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 07:20:08,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:08,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 07:20:08,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:20:08,504 INFO L87 Difference]: Start difference. First operand has 5005 states, 5003 states have (on average 1.9994003597841294) internal successors, (10003), 5004 states have internal predecessors, (10003), 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 07:20:08,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:08,652 INFO L93 Difference]: Finished difference Result 8473 states and 16933 transitions. [2022-12-14 07:20:08,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 07:20:08,654 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 07:20:08,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:08,673 INFO L225 Difference]: With dead ends: 8473 [2022-12-14 07:20:08,673 INFO L226 Difference]: Without dead ends: 3438 [2022-12-14 07:20:08,684 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 07:20:08,688 INFO L413 NwaCegarLoop]: 5170 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, 5170 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 07:20:08,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5170 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:20:08,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3438 states. [2022-12-14 07:20:08,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3438 to 3438. [2022-12-14 07:20:08,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3438 states, 3437 states have (on average 1.4870526622054117) internal successors, (5111), 3437 states have internal predecessors, (5111), 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 07:20:08,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3438 states to 3438 states and 5111 transitions. [2022-12-14 07:20:08,804 INFO L78 Accepts]: Start accepts. Automaton has 3438 states and 5111 transitions. Word has length 8 [2022-12-14 07:20:08,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:08,804 INFO L495 AbstractCegarLoop]: Abstraction has 3438 states and 5111 transitions. [2022-12-14 07:20:08,805 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 07:20:08,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3438 states and 5111 transitions. [2022-12-14 07:20:08,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 07:20:08,806 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:08,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:20:08,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:20:08,807 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:08,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:08,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1596623639, now seen corresponding path program 1 times [2022-12-14 07:20:08,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:08,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645654367] [2022-12-14 07:20:08,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:08,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:08,883 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 07:20:08,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:08,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645654367] [2022-12-14 07:20:08,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645654367] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:08,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:08,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:20:08,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785230463] [2022-12-14 07:20:08,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:08,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:08,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:08,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:08,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:08,887 INFO L87 Difference]: Start difference. First operand 3438 states and 5111 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 07:20:09,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:09,121 INFO L93 Difference]: Finished difference Result 6878 states and 10225 transitions. [2022-12-14 07:20:09,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:09,122 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 07:20:09,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:09,134 INFO L225 Difference]: With dead ends: 6878 [2022-12-14 07:20:09,134 INFO L226 Difference]: Without dead ends: 3441 [2022-12-14 07:20:09,139 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 07:20:09,140 INFO L413 NwaCegarLoop]: 5109 mSDtfsCounter, 4 mSDsluCounter, 4995 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10104 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:09,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 10104 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:20:09,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3441 states. [2022-12-14 07:20:09,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3441 to 3441. [2022-12-14 07:20:09,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3441 states, 3440 states have (on average 1.4866279069767443) internal successors, (5114), 3440 states have internal predecessors, (5114), 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 07:20:09,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 3441 states and 5114 transitions. [2022-12-14 07:20:09,235 INFO L78 Accepts]: Start accepts. Automaton has 3441 states and 5114 transitions. Word has length 9 [2022-12-14 07:20:09,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:09,236 INFO L495 AbstractCegarLoop]: Abstraction has 3441 states and 5114 transitions. [2022-12-14 07:20:09,236 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 07:20:09,236 INFO L276 IsEmpty]: Start isEmpty. Operand 3441 states and 5114 transitions. [2022-12-14 07:20:09,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 07:20:09,237 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:09,237 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:20:09,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:20:09,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:09,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:09,238 INFO L85 PathProgramCache]: Analyzing trace with hash 833523668, now seen corresponding path program 1 times [2022-12-14 07:20:09,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:09,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869979659] [2022-12-14 07:20:09,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:09,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:09,319 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 07:20:09,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:09,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869979659] [2022-12-14 07:20:09,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869979659] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:09,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:09,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:20:09,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130774000] [2022-12-14 07:20:09,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:09,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:09,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:09,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:09,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:09,322 INFO L87 Difference]: Start difference. First operand 3441 states and 5114 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 07:20:09,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:09,569 INFO L93 Difference]: Finished difference Result 6886 states and 10234 transitions. [2022-12-14 07:20:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:09,569 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 07:20:09,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:09,583 INFO L225 Difference]: With dead ends: 6886 [2022-12-14 07:20:09,583 INFO L226 Difference]: Without dead ends: 3447 [2022-12-14 07:20:09,588 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 07:20:09,589 INFO L413 NwaCegarLoop]: 5108 mSDtfsCounter, 832 mSDsluCounter, 4169 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 9277 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:09,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 9277 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:20:09,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2022-12-14 07:20:09,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 3445. [2022-12-14 07:20:09,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3445 states, 3444 states have (on average 1.4860627177700347) internal successors, (5118), 3444 states have internal predecessors, (5118), 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 07:20:09,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 3445 states and 5118 transitions. [2022-12-14 07:20:09,678 INFO L78 Accepts]: Start accepts. Automaton has 3445 states and 5118 transitions. Word has length 14 [2022-12-14 07:20:09,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:09,678 INFO L495 AbstractCegarLoop]: Abstraction has 3445 states and 5118 transitions. [2022-12-14 07:20:09,679 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 07:20:09,679 INFO L276 IsEmpty]: Start isEmpty. Operand 3445 states and 5118 transitions. [2022-12-14 07:20:09,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 07:20:09,679 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:09,679 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:20:09,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:20:09,680 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:09,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:09,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1800100549, now seen corresponding path program 1 times [2022-12-14 07:20:09,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:09,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469290251] [2022-12-14 07:20:09,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:09,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:09,735 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 07:20:09,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:09,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469290251] [2022-12-14 07:20:09,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469290251] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:09,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:09,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:20:09,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586061283] [2022-12-14 07:20:09,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:09,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:09,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:09,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:09,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:09,738 INFO L87 Difference]: Start difference. First operand 3445 states and 5118 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 07:20:10,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:10,263 INFO L93 Difference]: Finished difference Result 10325 states and 15344 transitions. [2022-12-14 07:20:10,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:10,263 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 07:20:10,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:10,281 INFO L225 Difference]: With dead ends: 10325 [2022-12-14 07:20:10,281 INFO L226 Difference]: Without dead ends: 6870 [2022-12-14 07:20:10,285 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 07:20:10,286 INFO L413 NwaCegarLoop]: 5019 mSDtfsCounter, 4990 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4990 SdHoareTripleChecker+Valid, 10008 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:10,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4990 Valid, 10008 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 07:20:10,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6870 states. [2022-12-14 07:20:10,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6870 to 6820. [2022-12-14 07:20:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6820 states, 6819 states have (on average 1.4880481008945594) internal successors, (10147), 6819 states have internal predecessors, (10147), 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 07:20:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6820 states to 6820 states and 10147 transitions. [2022-12-14 07:20:10,425 INFO L78 Accepts]: Start accepts. Automaton has 6820 states and 10147 transitions. Word has length 17 [2022-12-14 07:20:10,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:10,426 INFO L495 AbstractCegarLoop]: Abstraction has 6820 states and 10147 transitions. [2022-12-14 07:20:10,426 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 07:20:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 6820 states and 10147 transitions. [2022-12-14 07:20:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 07:20:10,427 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:10,427 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 07:20:10,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:20:10,427 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:10,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:10,428 INFO L85 PathProgramCache]: Analyzing trace with hash 743509457, now seen corresponding path program 1 times [2022-12-14 07:20:10,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:10,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846135923] [2022-12-14 07:20:10,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:10,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:10,493 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 07:20:10,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:10,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846135923] [2022-12-14 07:20:10,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846135923] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:10,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:10,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:20:10,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977893546] [2022-12-14 07:20:10,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:10,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:10,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:10,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:10,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:10,496 INFO L87 Difference]: Start difference. First operand 6820 states and 10147 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 07:20:10,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:10,728 INFO L93 Difference]: Finished difference Result 13650 states and 20311 transitions. [2022-12-14 07:20:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:10,729 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 07:20:10,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:10,744 INFO L225 Difference]: With dead ends: 13650 [2022-12-14 07:20:10,745 INFO L226 Difference]: Without dead ends: 6832 [2022-12-14 07:20:10,751 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 07:20:10,752 INFO L413 NwaCegarLoop]: 5110 mSDtfsCounter, 833 mSDsluCounter, 4169 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 9279 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:10,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 9279 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:20:10,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6832 states. [2022-12-14 07:20:10,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6832 to 6830. [2022-12-14 07:20:10,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6830 states, 6829 states have (on average 1.487333430956216) internal successors, (10157), 6829 states have internal predecessors, (10157), 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 07:20:10,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6830 states to 6830 states and 10157 transitions. [2022-12-14 07:20:10,863 INFO L78 Accepts]: Start accepts. Automaton has 6830 states and 10157 transitions. Word has length 23 [2022-12-14 07:20:10,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:10,864 INFO L495 AbstractCegarLoop]: Abstraction has 6830 states and 10157 transitions. [2022-12-14 07:20:10,864 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 07:20:10,864 INFO L276 IsEmpty]: Start isEmpty. Operand 6830 states and 10157 transitions. [2022-12-14 07:20:10,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-12-14 07:20:10,872 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:10,873 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 07:20:10,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 07:20:10,873 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:10,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:10,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1317626767, now seen corresponding path program 1 times [2022-12-14 07:20:10,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:10,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500819219] [2022-12-14 07:20:10,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:10,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:11,114 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 07:20:11,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:11,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500819219] [2022-12-14 07:20:11,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500819219] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:11,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:11,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:20:11,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397724619] [2022-12-14 07:20:11,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:11,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:11,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:11,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:11,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:11,118 INFO L87 Difference]: Start difference. First operand 6830 states and 10157 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 07:20:11,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:11,431 INFO L93 Difference]: Finished difference Result 7408 states and 11008 transitions. [2022-12-14 07:20:11,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:11,432 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 07:20:11,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:11,446 INFO L225 Difference]: With dead ends: 7408 [2022-12-14 07:20:11,446 INFO L226 Difference]: Without dead ends: 7402 [2022-12-14 07:20:11,449 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 07:20:11,449 INFO L413 NwaCegarLoop]: 5098 mSDtfsCounter, 558 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 10087 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:11,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 10087 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 07:20:11,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7402 states. [2022-12-14 07:20:11,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7402 to 7394. [2022-12-14 07:20:11,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7394 states, 7393 states have (on average 1.4870823752198026) internal successors, (10994), 7393 states have internal predecessors, (10994), 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 07:20:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7394 states to 7394 states and 10994 transitions. [2022-12-14 07:20:11,552 INFO L78 Accepts]: Start accepts. Automaton has 7394 states and 10994 transitions. Word has length 280 [2022-12-14 07:20:11,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:11,553 INFO L495 AbstractCegarLoop]: Abstraction has 7394 states and 10994 transitions. [2022-12-14 07:20:11,553 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 07:20:11,553 INFO L276 IsEmpty]: Start isEmpty. Operand 7394 states and 10994 transitions. [2022-12-14 07:20:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-12-14 07:20:11,556 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:11,556 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 07:20:11,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 07:20:11,556 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:11,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:11,557 INFO L85 PathProgramCache]: Analyzing trace with hash 2114031622, now seen corresponding path program 1 times [2022-12-14 07:20:11,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:11,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186160755] [2022-12-14 07:20:11,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:11,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:11,753 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 07:20:11,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:11,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186160755] [2022-12-14 07:20:11,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186160755] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:11,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:11,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:20:11,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193819117] [2022-12-14 07:20:11,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:11,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:11,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:11,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:11,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:11,756 INFO L87 Difference]: Start difference. First operand 7394 states and 10994 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 07:20:12,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:12,192 INFO L93 Difference]: Finished difference Result 21044 states and 31298 transitions. [2022-12-14 07:20:12,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:12,193 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 07:20:12,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:12,220 INFO L225 Difference]: With dead ends: 21044 [2022-12-14 07:20:12,220 INFO L226 Difference]: Without dead ends: 14216 [2022-12-14 07:20:12,228 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 07:20:12,229 INFO L413 NwaCegarLoop]: 5028 mSDtfsCounter, 4729 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4729 SdHoareTripleChecker+Valid, 10017 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:12,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4729 Valid, 10017 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 07:20:12,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14216 states. [2022-12-14 07:20:12,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14216 to 14168. [2022-12-14 07:20:12,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14168 states, 14167 states have (on average 1.487823815910214) internal successors, (21078), 14167 states have internal predecessors, (21078), 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 07:20:12,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14168 states to 14168 states and 21078 transitions. [2022-12-14 07:20:12,428 INFO L78 Accepts]: Start accepts. Automaton has 14168 states and 21078 transitions. Word has length 281 [2022-12-14 07:20:12,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:12,428 INFO L495 AbstractCegarLoop]: Abstraction has 14168 states and 21078 transitions. [2022-12-14 07:20:12,428 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 07:20:12,428 INFO L276 IsEmpty]: Start isEmpty. Operand 14168 states and 21078 transitions. [2022-12-14 07:20:12,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-12-14 07:20:12,431 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:12,431 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 07:20:12,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 07:20:12,431 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:12,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:12,432 INFO L85 PathProgramCache]: Analyzing trace with hash 521988626, now seen corresponding path program 1 times [2022-12-14 07:20:12,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:12,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966721663] [2022-12-14 07:20:12,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:12,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:12,555 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 07:20:12,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:12,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966721663] [2022-12-14 07:20:12,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966721663] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:12,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:12,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:20:12,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600198535] [2022-12-14 07:20:12,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:12,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:12,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:12,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:12,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:12,558 INFO L87 Difference]: Start difference. First operand 14168 states and 21078 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 07:20:12,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:12,852 INFO L93 Difference]: Finished difference Result 27770 states and 41318 transitions. [2022-12-14 07:20:12,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:12,853 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 07:20:12,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:12,874 INFO L225 Difference]: With dead ends: 27770 [2022-12-14 07:20:12,875 INFO L226 Difference]: Without dead ends: 14168 [2022-12-14 07:20:12,884 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 07:20:12,885 INFO L413 NwaCegarLoop]: 5849 mSDtfsCounter, 4732 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4732 SdHoareTripleChecker+Valid, 6676 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:12,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4732 Valid, 6676 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 07:20:12,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14168 states. [2022-12-14 07:20:13,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14168 to 14162. [2022-12-14 07:20:13,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14162 states, 14161 states have (on average 1.4872537250194195) internal successors, (21061), 14161 states have internal predecessors, (21061), 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 07:20:13,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14162 states to 14162 states and 21061 transitions. [2022-12-14 07:20:13,064 INFO L78 Accepts]: Start accepts. Automaton has 14162 states and 21061 transitions. Word has length 289 [2022-12-14 07:20:13,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:13,065 INFO L495 AbstractCegarLoop]: Abstraction has 14162 states and 21061 transitions. [2022-12-14 07:20:13,065 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 07:20:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand 14162 states and 21061 transitions. [2022-12-14 07:20:13,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-12-14 07:20:13,068 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:13,069 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 07:20:13,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 07:20:13,069 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:13,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:13,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1419227916, now seen corresponding path program 1 times [2022-12-14 07:20:13,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:13,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725993368] [2022-12-14 07:20:13,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:13,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:13,195 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 07:20:13,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:13,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725993368] [2022-12-14 07:20:13,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725993368] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:13,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:13,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:20:13,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128090763] [2022-12-14 07:20:13,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:13,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:13,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:13,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:13,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:13,198 INFO L87 Difference]: Start difference. First operand 14162 states and 21061 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 07:20:13,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:13,439 INFO L93 Difference]: Finished difference Result 25452 states and 37863 transitions. [2022-12-14 07:20:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:13,440 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 07:20:13,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:13,464 INFO L225 Difference]: With dead ends: 25452 [2022-12-14 07:20:13,465 INFO L226 Difference]: Without dead ends: 11856 [2022-12-14 07:20:13,476 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 07:20:13,477 INFO L413 NwaCegarLoop]: 5057 mSDtfsCounter, 3321 mSDsluCounter, 1651 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3321 SdHoareTripleChecker+Valid, 6708 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:13,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3321 Valid, 6708 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:20:13,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11856 states. [2022-12-14 07:20:13,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11856 to 11854. [2022-12-14 07:20:13,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11854 states, 11853 states have (on average 1.4867965915801906) internal successors, (17623), 11853 states have internal predecessors, (17623), 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 07:20:13,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11854 states to 11854 states and 17623 transitions. [2022-12-14 07:20:13,647 INFO L78 Accepts]: Start accepts. Automaton has 11854 states and 17623 transitions. Word has length 294 [2022-12-14 07:20:13,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:13,647 INFO L495 AbstractCegarLoop]: Abstraction has 11854 states and 17623 transitions. [2022-12-14 07:20:13,647 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 07:20:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 11854 states and 17623 transitions. [2022-12-14 07:20:13,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-12-14 07:20:13,651 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:13,651 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 07:20:13,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 07:20:13,651 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:13,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:13,651 INFO L85 PathProgramCache]: Analyzing trace with hash 101111048, now seen corresponding path program 1 times [2022-12-14 07:20:13,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:13,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019780764] [2022-12-14 07:20:13,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:13,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:13,749 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 07:20:13,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:13,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019780764] [2022-12-14 07:20:13,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019780764] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:13,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:13,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:20:13,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269602641] [2022-12-14 07:20:13,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:13,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:13,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:13,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:13,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:13,751 INFO L87 Difference]: Start difference. First operand 11854 states and 17623 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 07:20:13,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:13,933 INFO L93 Difference]: Finished difference Result 19790 states and 29407 transitions. [2022-12-14 07:20:13,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:13,934 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 07:20:13,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:13,952 INFO L225 Difference]: With dead ends: 19790 [2022-12-14 07:20:13,952 INFO L226 Difference]: Without dead ends: 8508 [2022-12-14 07:20:13,961 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 07:20:13,962 INFO L413 NwaCegarLoop]: 5064 mSDtfsCounter, 829 mSDsluCounter, 4132 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 9196 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:13,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 9196 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:20:13,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8508 states. [2022-12-14 07:20:14,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8508 to 8506. [2022-12-14 07:20:14,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8506 states, 8505 states have (on average 1.484185773074662) internal successors, (12623), 8505 states have internal predecessors, (12623), 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 07:20:14,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8506 states to 8506 states and 12623 transitions. [2022-12-14 07:20:14,083 INFO L78 Accepts]: Start accepts. Automaton has 8506 states and 12623 transitions. Word has length 299 [2022-12-14 07:20:14,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:14,084 INFO L495 AbstractCegarLoop]: Abstraction has 8506 states and 12623 transitions. [2022-12-14 07:20:14,084 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 07:20:14,084 INFO L276 IsEmpty]: Start isEmpty. Operand 8506 states and 12623 transitions. [2022-12-14 07:20:14,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-12-14 07:20:14,087 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:14,088 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 07:20:14,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 07:20:14,088 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:14,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:14,088 INFO L85 PathProgramCache]: Analyzing trace with hash -645815740, now seen corresponding path program 1 times [2022-12-14 07:20:14,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:14,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512480465] [2022-12-14 07:20:14,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:14,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:31,137 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 07:20:31,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:31,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512480465] [2022-12-14 07:20:31,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512480465] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:31,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:31,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:20:31,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605647656] [2022-12-14 07:20:31,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:31,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:20:31,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:31,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:20:31,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:20:31,139 INFO L87 Difference]: Start difference. First operand 8506 states and 12623 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 07:20:31,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:31,508 INFO L93 Difference]: Finished difference Result 10221 states and 15157 transitions. [2022-12-14 07:20:31,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:20:31,508 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 07:20:31,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:31,525 INFO L225 Difference]: With dead ends: 10221 [2022-12-14 07:20:31,525 INFO L226 Difference]: Without dead ends: 10219 [2022-12-14 07:20:31,527 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 07:20:31,528 INFO L413 NwaCegarLoop]: 5020 mSDtfsCounter, 3012 mSDsluCounter, 9908 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3012 SdHoareTripleChecker+Valid, 14928 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:31,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3012 Valid, 14928 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 07:20:31,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10219 states. [2022-12-14 07:20:31,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10219 to 10205. [2022-12-14 07:20:31,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10205 states, 10204 states have (on average 1.4839278714229713) internal successors, (15142), 10204 states have internal predecessors, (15142), 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 07:20:31,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10205 states to 10205 states and 15142 transitions. [2022-12-14 07:20:31,654 INFO L78 Accepts]: Start accepts. Automaton has 10205 states and 15142 transitions. Word has length 299 [2022-12-14 07:20:31,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:31,654 INFO L495 AbstractCegarLoop]: Abstraction has 10205 states and 15142 transitions. [2022-12-14 07:20:31,654 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 07:20:31,655 INFO L276 IsEmpty]: Start isEmpty. Operand 10205 states and 15142 transitions. [2022-12-14 07:20:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-12-14 07:20:31,661 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:31,661 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 07:20:31,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 07:20:31,661 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:31,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:31,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1909366430, now seen corresponding path program 1 times [2022-12-14 07:20:31,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:31,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321075547] [2022-12-14 07:20:31,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:31,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:31,822 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 07:20:31,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:31,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321075547] [2022-12-14 07:20:31,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321075547] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:31,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:31,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:20:31,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165803219] [2022-12-14 07:20:31,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:31,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:31,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:31,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:31,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:31,825 INFO L87 Difference]: Start difference. First operand 10205 states and 15142 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 07:20:32,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:32,008 INFO L93 Difference]: Finished difference Result 15875 states and 23560 transitions. [2022-12-14 07:20:32,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:32,009 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 07:20:32,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:32,021 INFO L225 Difference]: With dead ends: 15875 [2022-12-14 07:20:32,021 INFO L226 Difference]: Without dead ends: 7941 [2022-12-14 07:20:32,028 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 07:20:32,028 INFO L413 NwaCegarLoop]: 5055 mSDtfsCounter, 2490 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2490 SdHoareTripleChecker+Valid, 7529 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:32,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2490 Valid, 7529 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:20:32,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7941 states. [2022-12-14 07:20:32,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7941 to 7939. [2022-12-14 07:20:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7939 states, 7938 states have (on average 1.4837490551776267) internal successors, (11778), 7938 states have internal predecessors, (11778), 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 07:20:32,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7939 states to 7939 states and 11778 transitions. [2022-12-14 07:20:32,132 INFO L78 Accepts]: Start accepts. Automaton has 7939 states and 11778 transitions. Word has length 300 [2022-12-14 07:20:32,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:32,133 INFO L495 AbstractCegarLoop]: Abstraction has 7939 states and 11778 transitions. [2022-12-14 07:20:32,133 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 07:20:32,133 INFO L276 IsEmpty]: Start isEmpty. Operand 7939 states and 11778 transitions. [2022-12-14 07:20:32,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-12-14 07:20:32,135 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:32,135 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 07:20:32,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 07:20:32,136 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:32,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:32,136 INFO L85 PathProgramCache]: Analyzing trace with hash 260687844, now seen corresponding path program 1 times [2022-12-14 07:20:32,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:32,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840802310] [2022-12-14 07:20:32,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:32,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:32,247 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 07:20:32,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:32,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840802310] [2022-12-14 07:20:32,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840802310] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:32,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:32,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:20:32,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050928679] [2022-12-14 07:20:32,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:32,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:32,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:32,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:32,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:32,249 INFO L87 Difference]: Start difference. First operand 7939 states and 11778 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 07:20:32,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:32,501 INFO L93 Difference]: Finished difference Result 13639 states and 20227 transitions. [2022-12-14 07:20:32,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:32,502 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 07:20:32,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:32,509 INFO L225 Difference]: With dead ends: 13639 [2022-12-14 07:20:32,509 INFO L226 Difference]: Without dead ends: 7971 [2022-12-14 07:20:32,512 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 07:20:32,512 INFO L413 NwaCegarLoop]: 5846 mSDtfsCounter, 3309 mSDsluCounter, 4950 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 10796 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:32,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3309 Valid, 10796 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 07:20:32,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7971 states. [2022-12-14 07:20:32,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7971 to 7943. [2022-12-14 07:20:32,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7943 states, 7942 states have (on average 1.4831276756484513) internal successors, (11779), 7942 states have internal predecessors, (11779), 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 07:20:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7943 states to 7943 states and 11779 transitions. [2022-12-14 07:20:32,592 INFO L78 Accepts]: Start accepts. Automaton has 7943 states and 11779 transitions. Word has length 301 [2022-12-14 07:20:32,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:32,592 INFO L495 AbstractCegarLoop]: Abstraction has 7943 states and 11779 transitions. [2022-12-14 07:20:32,592 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 07:20:32,592 INFO L276 IsEmpty]: Start isEmpty. Operand 7943 states and 11779 transitions. [2022-12-14 07:20:32,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-12-14 07:20:32,594 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:32,594 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 07:20:32,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 07:20:32,595 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:32,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:32,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1186969471, now seen corresponding path program 1 times [2022-12-14 07:20:32,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:32,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822112265] [2022-12-14 07:20:32,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:32,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:32,676 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 07:20:32,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:32,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822112265] [2022-12-14 07:20:32,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822112265] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:32,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:32,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:20:32,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852304843] [2022-12-14 07:20:32,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:32,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:32,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:32,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:32,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:32,679 INFO L87 Difference]: Start difference. First operand 7943 states and 11779 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 07:20:32,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:32,836 INFO L93 Difference]: Finished difference Result 11365 states and 16847 transitions. [2022-12-14 07:20:32,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:32,837 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 07:20:32,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:32,843 INFO L225 Difference]: With dead ends: 11365 [2022-12-14 07:20:32,843 INFO L226 Difference]: Without dead ends: 5697 [2022-12-14 07:20:32,846 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 07:20:32,847 INFO L413 NwaCegarLoop]: 5050 mSDtfsCounter, 829 mSDsluCounter, 4119 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 9169 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:32,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 9169 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:20:32,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5697 states. [2022-12-14 07:20:32,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5697 to 5695. [2022-12-14 07:20:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5695 states, 5694 states have (on average 1.480857042500878) internal successors, (8432), 5694 states have internal predecessors, (8432), 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 07:20:32,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5695 states to 5695 states and 8432 transitions. [2022-12-14 07:20:32,900 INFO L78 Accepts]: Start accepts. Automaton has 5695 states and 8432 transitions. Word has length 302 [2022-12-14 07:20:32,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:32,901 INFO L495 AbstractCegarLoop]: Abstraction has 5695 states and 8432 transitions. [2022-12-14 07:20:32,901 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 07:20:32,901 INFO L276 IsEmpty]: Start isEmpty. Operand 5695 states and 8432 transitions. [2022-12-14 07:20:32,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-12-14 07:20:32,903 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:32,903 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 07:20:32,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 07:20:32,903 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:32,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:32,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1899417793, now seen corresponding path program 1 times [2022-12-14 07:20:32,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:32,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577298468] [2022-12-14 07:20:32,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:32,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:33,009 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 07:20:33,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:33,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577298468] [2022-12-14 07:20:33,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577298468] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:33,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:33,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:20:33,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985152143] [2022-12-14 07:20:33,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:33,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:33,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:33,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:33,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:33,011 INFO L87 Difference]: Start difference. First operand 5695 states and 8432 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 07:20:33,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:33,180 INFO L93 Difference]: Finished difference Result 8549 states and 12656 transitions. [2022-12-14 07:20:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:33,181 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 07:20:33,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:33,189 INFO L225 Difference]: With dead ends: 8549 [2022-12-14 07:20:33,189 INFO L226 Difference]: Without dead ends: 5129 [2022-12-14 07:20:33,192 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 07:20:33,192 INFO L413 NwaCegarLoop]: 5045 mSDtfsCounter, 1655 mSDsluCounter, 3294 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1655 SdHoareTripleChecker+Valid, 8339 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:33,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1655 Valid, 8339 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:20:33,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5129 states. [2022-12-14 07:20:33,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5129 to 5127. [2022-12-14 07:20:33,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5127 states, 5126 states have (on average 1.480491611392899) internal successors, (7589), 5126 states have internal predecessors, (7589), 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 07:20:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5127 states to 5127 states and 7589 transitions. [2022-12-14 07:20:33,251 INFO L78 Accepts]: Start accepts. Automaton has 5127 states and 7589 transitions. Word has length 316 [2022-12-14 07:20:33,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:33,251 INFO L495 AbstractCegarLoop]: Abstraction has 5127 states and 7589 transitions. [2022-12-14 07:20:33,251 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 07:20:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 5127 states and 7589 transitions. [2022-12-14 07:20:33,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2022-12-14 07:20:33,260 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:33,261 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 07:20:33,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 07:20:33,261 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:33,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:33,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1494620892, now seen corresponding path program 1 times [2022-12-14 07:20:33,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:33,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612125587] [2022-12-14 07:20:33,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:33,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:33,510 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 07:20:33,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:33,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612125587] [2022-12-14 07:20:33,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612125587] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:33,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:33,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:20:33,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253019065] [2022-12-14 07:20:33,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:33,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:33,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:33,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:33,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:33,513 INFO L87 Difference]: Start difference. First operand 5127 states and 7589 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 07:20:33,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:33,798 INFO L93 Difference]: Finished difference Result 10263 states and 15191 transitions. [2022-12-14 07:20:33,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:33,798 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 07:20:33,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:33,806 INFO L225 Difference]: With dead ends: 10263 [2022-12-14 07:20:33,806 INFO L226 Difference]: Without dead ends: 7403 [2022-12-14 07:20:33,808 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 07:20:33,808 INFO L413 NwaCegarLoop]: 5836 mSDtfsCounter, 3031 mSDsluCounter, 4944 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3031 SdHoareTripleChecker+Valid, 10780 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:33,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3031 Valid, 10780 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 07:20:33,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7403 states. [2022-12-14 07:20:33,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7403 to 7385. [2022-12-14 07:20:33,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7385 states, 7384 states have (on average 1.4811755146262189) internal successors, (10937), 7384 states have internal predecessors, (10937), 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 07:20:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7385 states to 7385 states and 10937 transitions. [2022-12-14 07:20:33,875 INFO L78 Accepts]: Start accepts. Automaton has 7385 states and 10937 transitions. Word has length 565 [2022-12-14 07:20:33,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:33,875 INFO L495 AbstractCegarLoop]: Abstraction has 7385 states and 10937 transitions. [2022-12-14 07:20:33,876 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 07:20:33,876 INFO L276 IsEmpty]: Start isEmpty. Operand 7385 states and 10937 transitions. [2022-12-14 07:20:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2022-12-14 07:20:33,886 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:33,886 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 07:20:33,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 07:20:33,886 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:33,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:33,887 INFO L85 PathProgramCache]: Analyzing trace with hash 2075086280, now seen corresponding path program 1 times [2022-12-14 07:20:33,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:33,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143475478] [2022-12-14 07:20:33,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:33,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:34,232 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 07:20:34,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:34,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143475478] [2022-12-14 07:20:34,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143475478] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:34,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:34,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:20:34,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962762175] [2022-12-14 07:20:34,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:34,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:34,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:34,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:34,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:34,235 INFO L87 Difference]: Start difference. First operand 7385 states and 10937 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 07:20:34,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:34,543 INFO L93 Difference]: Finished difference Result 18741 states and 27757 transitions. [2022-12-14 07:20:34,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:34,545 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 07:20:34,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:34,564 INFO L225 Difference]: With dead ends: 18741 [2022-12-14 07:20:34,564 INFO L226 Difference]: Without dead ends: 13627 [2022-12-14 07:20:34,570 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 07:20:34,570 INFO L413 NwaCegarLoop]: 8332 mSDtfsCounter, 4393 mSDsluCounter, 4943 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4393 SdHoareTripleChecker+Valid, 13275 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:34,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4393 Valid, 13275 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 07:20:34,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13627 states. [2022-12-14 07:20:34,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13627 to 13541. [2022-12-14 07:20:34,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13541 states, 13540 states have (on average 1.4839734121122599) internal successors, (20093), 13540 states have internal predecessors, (20093), 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 07:20:34,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13541 states to 13541 states and 20093 transitions. [2022-12-14 07:20:34,732 INFO L78 Accepts]: Start accepts. Automaton has 13541 states and 20093 transitions. Word has length 571 [2022-12-14 07:20:34,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:34,733 INFO L495 AbstractCegarLoop]: Abstraction has 13541 states and 20093 transitions. [2022-12-14 07:20:34,733 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 07:20:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 13541 states and 20093 transitions. [2022-12-14 07:20:34,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2022-12-14 07:20:34,744 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:34,745 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 2, 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] [2022-12-14 07:20:34,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 07:20:34,745 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:34,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:34,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1914421398, now seen corresponding path program 1 times [2022-12-14 07:20:34,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:34,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884238217] [2022-12-14 07:20:34,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:34,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 07:20:35,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:35,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884238217] [2022-12-14 07:20:35,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884238217] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:35,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:35,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:20:35,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725537551] [2022-12-14 07:20:35,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:35,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:35,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:35,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:35,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:35,056 INFO L87 Difference]: Start difference. First operand 13541 states and 20093 transitions. Second operand has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 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 07:20:35,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:35,311 INFO L93 Difference]: Finished difference Result 20305 states and 30131 transitions. [2022-12-14 07:20:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:35,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 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 581 [2022-12-14 07:20:35,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:35,334 INFO L225 Difference]: With dead ends: 20305 [2022-12-14 07:20:35,334 INFO L226 Difference]: Without dead ends: 20297 [2022-12-14 07:20:35,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 07:20:35,339 INFO L413 NwaCegarLoop]: 5012 mSDtfsCounter, 2205 mSDsluCounter, 4946 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 9958 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:35,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2205 Valid, 9958 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 07:20:35,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20297 states. [2022-12-14 07:20:35,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20297 to 20255. [2022-12-14 07:20:35,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20255 states, 20254 states have (on average 1.4849906191369606) internal successors, (30077), 20254 states have internal predecessors, (30077), 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 07:20:35,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20255 states to 20255 states and 30077 transitions. [2022-12-14 07:20:35,535 INFO L78 Accepts]: Start accepts. Automaton has 20255 states and 30077 transitions. Word has length 581 [2022-12-14 07:20:35,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:35,535 INFO L495 AbstractCegarLoop]: Abstraction has 20255 states and 30077 transitions. [2022-12-14 07:20:35,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 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 07:20:35,536 INFO L276 IsEmpty]: Start isEmpty. Operand 20255 states and 30077 transitions. [2022-12-14 07:20:35,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2022-12-14 07:20:35,544 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:35,544 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 07:20:35,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 07:20:35,544 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:20:35,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:35,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1271026584, now seen corresponding path program 1 times [2022-12-14 07:20:35,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:35,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648580606] [2022-12-14 07:20:35,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:35,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:20:35,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 07:20:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:20:35,888 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 07:20:35,888 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 07:20:35,888 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 07:20:35,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 07:20:35,892 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] [2022-12-14 07:20:35,895 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:20:36,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:20:36 BoogieIcfgContainer [2022-12-14 07:20:36,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:20:36,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:20:36,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:20:36,007 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:20:36,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:20:08" (3/4) ... [2022-12-14 07:20:36,009 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 07:20:36,147 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4ab9804-06e1-450c-8942-9e9bc22485e1/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 07:20:36,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:20:36,148 INFO L158 Benchmark]: Toolchain (without parser) took 204033.92ms. Allocated memory was 3.3GB in the beginning and 11.9GB in the end (delta: 8.6GB). Free memory was 2.2GB in the beginning and 2.3GB in the end (delta: -85.5MB). Peak memory consumption was 8.5GB. Max. memory is 16.1GB. [2022-12-14 07:20:36,148 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:20:36,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 131175.18ms. Allocated memory was 3.3GB in the beginning and 6.7GB in the end (delta: 3.4GB). Free memory was 2.2GB in the beginning and 1.9GB in the end (delta: 336.1MB). Peak memory consumption was 4.3GB. Max. memory is 16.1GB. [2022-12-14 07:20:36,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 12171.35ms. Allocated memory was 6.7GB in the beginning and 8.8GB in the end (delta: 2.1GB). Free memory was 1.9GB in the beginning and 2.0GB in the end (delta: -112.2MB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2022-12-14 07:20:36,149 INFO L158 Benchmark]: Boogie Preprocessor took 11348.31ms. Allocated memory was 8.8GB in the beginning and 10.8GB in the end (delta: 2.0GB). Free memory was 2.0GB in the beginning and 3.8GB in the end (delta: -1.8GB). Peak memory consumption was 448.8MB. Max. memory is 16.1GB. [2022-12-14 07:20:36,149 INFO L158 Benchmark]: RCFGBuilder took 21222.23ms. Allocated memory was 10.8GB in the beginning and 11.9GB in the end (delta: 1.1GB). Free memory was 3.8GB in the beginning and 2.5GB in the end (delta: 1.4GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2022-12-14 07:20:36,149 INFO L158 Benchmark]: TraceAbstraction took 27969.67ms. Allocated memory is still 11.9GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 91.7MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2022-12-14 07:20:36,150 INFO L158 Benchmark]: Witness Printer took 140.57ms. Allocated memory is still 11.9GB. Free memory was 2.4GB in the beginning and 2.3GB in the end (delta: 44.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-14 07:20:36,151 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 131175.18ms. Allocated memory was 3.3GB in the beginning and 6.7GB in the end (delta: 3.4GB). Free memory was 2.2GB in the beginning and 1.9GB in the end (delta: 336.1MB). Peak memory consumption was 4.3GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 12171.35ms. Allocated memory was 6.7GB in the beginning and 8.8GB in the end (delta: 2.1GB). Free memory was 1.9GB in the beginning and 2.0GB in the end (delta: -112.2MB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. * Boogie Preprocessor took 11348.31ms. Allocated memory was 8.8GB in the beginning and 10.8GB in the end (delta: 2.0GB). Free memory was 2.0GB in the beginning and 3.8GB in the end (delta: -1.8GB). Peak memory consumption was 448.8MB. Max. memory is 16.1GB. * RCFGBuilder took 21222.23ms. Allocated memory was 10.8GB in the beginning and 11.9GB in the end (delta: 1.1GB). Free memory was 3.8GB in the beginning and 2.5GB in the end (delta: 1.4GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. * TraceAbstraction took 27969.67ms. Allocated memory is still 11.9GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 91.7MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. * Witness Printer took 140.57ms. Allocated memory is still 11.9GB. Free memory was 2.4GB in the beginning and 2.3GB in the end (delta: 44.6MB). 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: 26702]: 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=0, P2=1, 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=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] [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=1, 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=1, 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=1, 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=1, 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=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] [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=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] [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=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] [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=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] [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] [L26702] 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, 5005 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.8s, OverallIterations: 19, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41752 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41752 mSDsluCounter, 171296 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 74488 mSDsCounter, 815 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2271 IncrementalHoareTripleChecker+Invalid, 3086 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 815 mSolverCounterUnsat, 96808 mSDtfsCounter, 2271 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20255occurred in iteration=18, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 314 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.8s InterpolantComputationTime, 5334 NumberOfCodeBlocks, 5334 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4731 ConstructedInterpolants, 0 QuantifiedInterpolants, 15980 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 214/214 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 07:20:36,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4ab9804-06e1-450c-8942-9e9bc22485e1/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