./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_cev_2.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_a22ea045-3aba-486b-a9d0-c9d5c318069c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22ea045-3aba-486b-a9d0-c9d5c318069c/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_a22ea045-3aba-486b-a9d0-c9d5c318069c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22ea045-3aba-486b-a9d0-c9d5c318069c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_cev_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22ea045-3aba-486b-a9d0-c9d5c318069c/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_a22ea045-3aba-486b-a9d0-c9d5c318069c/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 35f5c6705ca2c66e73829eac7c84967d3860f5cd41b439a061cbba06d82303f4 --- 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 14:20:58,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:20:58,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:20:58,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:20:58,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:20:58,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:20:58,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:20:58,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:20:58,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:20:58,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:20:58,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:20:58,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:20:58,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:20:58,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:20:58,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:20:58,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:20:58,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:20:58,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:20:58,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:20:58,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:20:58,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:20:58,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:20:58,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:20:58,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:20:58,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:20:58,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:20:58,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:20:58,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:20:58,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:20:58,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:20:58,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:20:58,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:20:58,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:20:58,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:20:58,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:20:58,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:20:58,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:20:58,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:20:58,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:20:58,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:20:58,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:20:58,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22ea045-3aba-486b-a9d0-c9d5c318069c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 14:20:58,561 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:20:58,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:20:58,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:20:58,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:20:58,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:20:58,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:20:58,562 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:20:58,562 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:20:58,562 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:20:58,562 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:20:58,563 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:20:58,563 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:20:58,563 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:20:58,563 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:20:58,563 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:20:58,563 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:20:58,563 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:20:58,563 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:20:58,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:20:58,564 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:20:58,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:20:58,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:20:58,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:20:58,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:20:58,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:20:58,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:20:58,565 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:20:58,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:20:58,565 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:20:58,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:20:58,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:20:58,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:20:58,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:20:58,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:20:58,566 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:20:58,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:20:58,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:20:58,566 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:20:58,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:20:58,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:20:58,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:20:58,567 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_a22ea045-3aba-486b-a9d0-c9d5c318069c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22ea045-3aba-486b-a9d0-c9d5c318069c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35f5c6705ca2c66e73829eac7c84967d3860f5cd41b439a061cbba06d82303f4 [2022-12-14 14:20:58,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:20:58,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:20:58,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:20:58,764 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:20:58,764 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:20:58,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22ea045-3aba-486b-a9d0-c9d5c318069c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/psyco/psyco_cev_2.c [2022-12-14 14:21:01,437 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:21:08,346 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:21:08,347 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22ea045-3aba-486b-a9d0-c9d5c318069c/sv-benchmarks/c/psyco/psyco_cev_2.c [2022-12-14 14:21:10,130 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22ea045-3aba-486b-a9d0-c9d5c318069c/bin/utaipan-gh47qXpMRh/data/fee329d0c/76734f15620941babddc1c357f407981/FLAG97e962dac [2022-12-14 14:21:10,141 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22ea045-3aba-486b-a9d0-c9d5c318069c/bin/utaipan-gh47qXpMRh/data/fee329d0c/76734f15620941babddc1c357f407981 [2022-12-14 14:21:10,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:21:10,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:21:10,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:21:10,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:21:10,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:21:10,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:21:10" (1/1) ... [2022-12-14 14:21:10,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@249cd69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:10, skipping insertion in model container [2022-12-14 14:21:10,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:21:10" (1/1) ... [2022-12-14 14:21:10,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:21:16,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:23:08,773 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_a22ea045-3aba-486b-a9d0-c9d5c318069c/sv-benchmarks/c/psyco/psyco_cev_2.c[72914221,72914234] [2022-12-14 14:23:09,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:23:09,129 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:24:32,257 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_a22ea045-3aba-486b-a9d0-c9d5c318069c/sv-benchmarks/c/psyco/psyco_cev_2.c[72914221,72914234] [2022-12-14 14:24:32,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:24:32,534 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:24:32,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:32 WrapperNode [2022-12-14 14:24:32,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:24:32,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:24:32,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:24:32,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:24:32,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:32" (1/1) ... [2022-12-14 14:24:36,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:32" (1/1) ... [2022-12-14 14:24:51,792 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44616 [2022-12-14 14:24:51,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:24:51,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:24:51,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:24:51,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:24:51,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:32" (1/1) ... [2022-12-14 14:24:51,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:32" (1/1) ... [2022-12-14 14:24:55,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:32" (1/1) ... [2022-12-14 14:24:55,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:32" (1/1) ... [2022-12-14 14:25:03,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:32" (1/1) ... [2022-12-14 14:25:04,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:32" (1/1) ... [2022-12-14 14:25:04,732 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:32" (1/1) ... [2022-12-14 14:25:05,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:32" (1/1) ... [2022-12-14 14:25:08,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:25:08,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:25:08,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:25:08,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:25:08,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:32" (1/1) ... [2022-12-14 14:25:08,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:25:08,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22ea045-3aba-486b-a9d0-c9d5c318069c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:25:08,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22ea045-3aba-486b-a9d0-c9d5c318069c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:25:08,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22ea045-3aba-486b-a9d0-c9d5c318069c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:25:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:25:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:25:08,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:25:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:25:09,347 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:25:09,349 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:25:35,312 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:25:35,371 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:25:35,372 INFO L300 CfgBuilder]: Removed 179 assume(true) statements. [2022-12-14 14:25:35,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:25:35 BoogieIcfgContainer [2022-12-14 14:25:35,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:25:35,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:25:35,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:25:35,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:25:35,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:21:10" (1/3) ... [2022-12-14 14:25:35,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfde562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:25:35, skipping insertion in model container [2022-12-14 14:25:35,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:32" (2/3) ... [2022-12-14 14:25:35,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfde562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:25:35, skipping insertion in model container [2022-12-14 14:25:35,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:25:35" (3/3) ... [2022-12-14 14:25:35,386 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_cev_2.c [2022-12-14 14:25:35,400 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:25:35,400 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:25:35,509 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:25:35,514 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;@302e0a41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:25:35,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:25:35,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 7492 states, 7490 states have (on average 1.9995994659546061) internal successors, (14977), 7491 states have internal predecessors, (14977), 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 14:25:35,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 14:25:35,538 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:35,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:35,539 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:35,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:35,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1914626641, now seen corresponding path program 1 times [2022-12-14 14:25:35,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:35,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302668253] [2022-12-14 14:25:35,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:35,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:35,696 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 14:25:35,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:35,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302668253] [2022-12-14 14:25:35,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302668253] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:35,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:35,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:25:35,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141505765] [2022-12-14 14:25:35,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:35,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 14:25:35,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:35,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 14:25:35,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 14:25:35,737 INFO L87 Difference]: Start difference. First operand has 7492 states, 7490 states have (on average 1.9995994659546061) internal successors, (14977), 7491 states have internal predecessors, (14977), 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 14:25:35,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:35,910 INFO L93 Difference]: Finished difference Result 12679 states and 25345 transitions. [2022-12-14 14:25:35,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 14:25:35,912 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 14:25:35,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:35,939 INFO L225 Difference]: With dead ends: 12679 [2022-12-14 14:25:35,939 INFO L226 Difference]: Without dead ends: 5145 [2022-12-14 14:25:35,949 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 14:25:35,951 INFO L413 NwaCegarLoop]: 7735 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, 7735 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 14:25:35,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7735 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:25:35,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5145 states. [2022-12-14 14:25:36,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5145 to 5145. [2022-12-14 14:25:36,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5145 states, 5144 states have (on average 1.4875583203732503) internal successors, (7652), 5144 states have internal predecessors, (7652), 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 14:25:36,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5145 states to 5145 states and 7652 transitions. [2022-12-14 14:25:36,085 INFO L78 Accepts]: Start accepts. Automaton has 5145 states and 7652 transitions. Word has length 8 [2022-12-14 14:25:36,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:36,085 INFO L495 AbstractCegarLoop]: Abstraction has 5145 states and 7652 transitions. [2022-12-14 14:25:36,086 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 14:25:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 5145 states and 7652 transitions. [2022-12-14 14:25:36,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 14:25:36,086 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:36,086 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:36,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:25:36,087 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:36,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:36,088 INFO L85 PathProgramCache]: Analyzing trace with hash -244809827, now seen corresponding path program 1 times [2022-12-14 14:25:36,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:36,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618338784] [2022-12-14 14:25:36,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:36,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:36,161 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 14:25:36,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:36,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618338784] [2022-12-14 14:25:36,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618338784] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:36,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:36,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:25:36,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369709415] [2022-12-14 14:25:36,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:36,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:36,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:36,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:36,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:36,165 INFO L87 Difference]: Start difference. First operand 5145 states and 7652 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 14:25:36,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:36,478 INFO L93 Difference]: Finished difference Result 10292 states and 15307 transitions. [2022-12-14 14:25:36,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:36,478 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 14:25:36,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:36,491 INFO L225 Difference]: With dead ends: 10292 [2022-12-14 14:25:36,492 INFO L226 Difference]: Without dead ends: 5148 [2022-12-14 14:25:36,497 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 14:25:36,498 INFO L413 NwaCegarLoop]: 7650 mSDtfsCounter, 4 mSDsluCounter, 7482 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 15132 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:36,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 15132 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:25:36,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5148 states. [2022-12-14 14:25:36,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5148 to 5148. [2022-12-14 14:25:36,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5148 states, 5147 states have (on average 1.487274140275889) internal successors, (7655), 5147 states have internal predecessors, (7655), 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 14:25:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5148 states to 5148 states and 7655 transitions. [2022-12-14 14:25:36,574 INFO L78 Accepts]: Start accepts. Automaton has 5148 states and 7655 transitions. Word has length 9 [2022-12-14 14:25:36,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:36,574 INFO L495 AbstractCegarLoop]: Abstraction has 5148 states and 7655 transitions. [2022-12-14 14:25:36,574 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 14:25:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 5148 states and 7655 transitions. [2022-12-14 14:25:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 14:25:36,574 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:36,575 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:36,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:25:36,575 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:36,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:36,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1825178804, now seen corresponding path program 1 times [2022-12-14 14:25:36,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:36,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054723772] [2022-12-14 14:25:36,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:36,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:36,722 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 14:25:36,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:36,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054723772] [2022-12-14 14:25:36,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054723772] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:36,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:36,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:25:36,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665321860] [2022-12-14 14:25:36,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:36,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:36,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:36,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:36,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:36,724 INFO L87 Difference]: Start difference. First operand 5148 states and 7655 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 14:25:36,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:36,993 INFO L93 Difference]: Finished difference Result 10300 states and 15316 transitions. [2022-12-14 14:25:36,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:36,994 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 14:25:36,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:37,006 INFO L225 Difference]: With dead ends: 10300 [2022-12-14 14:25:37,006 INFO L226 Difference]: Without dead ends: 5154 [2022-12-14 14:25:37,010 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 14:25:37,011 INFO L413 NwaCegarLoop]: 7649 mSDtfsCounter, 832 mSDsluCounter, 6656 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 14305 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:37,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 14305 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:25:37,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5154 states. [2022-12-14 14:25:37,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5154 to 5152. [2022-12-14 14:25:37,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5152 states, 5151 states have (on average 1.4868957483983694) internal successors, (7659), 5151 states have internal predecessors, (7659), 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 14:25:37,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 7659 transitions. [2022-12-14 14:25:37,079 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 7659 transitions. Word has length 14 [2022-12-14 14:25:37,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:37,079 INFO L495 AbstractCegarLoop]: Abstraction has 5152 states and 7659 transitions. [2022-12-14 14:25:37,079 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 14:25:37,079 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 7659 transitions. [2022-12-14 14:25:37,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 14:25:37,080 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:37,080 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:37,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 14:25:37,080 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:37,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:37,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1276519349, now seen corresponding path program 1 times [2022-12-14 14:25:37,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:37,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734672711] [2022-12-14 14:25:37,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:37,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:37,129 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 14:25:37,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:37,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734672711] [2022-12-14 14:25:37,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734672711] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:37,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:37,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:25:37,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894715908] [2022-12-14 14:25:37,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:37,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:37,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:37,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:37,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:37,132 INFO L87 Difference]: Start difference. First operand 5152 states and 7659 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 14:25:37,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:37,703 INFO L93 Difference]: Finished difference Result 15443 states and 22964 transitions. [2022-12-14 14:25:37,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:37,703 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 14:25:37,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:37,731 INFO L225 Difference]: With dead ends: 15443 [2022-12-14 14:25:37,731 INFO L226 Difference]: Without dead ends: 10279 [2022-12-14 14:25:37,737 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 14:25:37,738 INFO L413 NwaCegarLoop]: 7515 mSDtfsCounter, 7479 mSDsluCounter, 7470 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7479 SdHoareTripleChecker+Valid, 14985 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:37,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7479 Valid, 14985 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:25:37,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10279 states. [2022-12-14 14:25:37,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10279 to 10207. [2022-12-14 14:25:37,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10207 states, 10206 states have (on average 1.4886341367822848) internal successors, (15193), 10206 states have internal predecessors, (15193), 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 14:25:37,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10207 states to 10207 states and 15193 transitions. [2022-12-14 14:25:37,875 INFO L78 Accepts]: Start accepts. Automaton has 10207 states and 15193 transitions. Word has length 17 [2022-12-14 14:25:37,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:37,875 INFO L495 AbstractCegarLoop]: Abstraction has 10207 states and 15193 transitions. [2022-12-14 14:25:37,875 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 14:25:37,876 INFO L276 IsEmpty]: Start isEmpty. Operand 10207 states and 15193 transitions. [2022-12-14 14:25:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 14:25:37,876 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:37,876 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 14:25:37,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 14:25:37,876 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:37,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:37,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1851723497, now seen corresponding path program 1 times [2022-12-14 14:25:37,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:37,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198713671] [2022-12-14 14:25:37,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:37,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:37,935 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 14:25:37,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:37,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198713671] [2022-12-14 14:25:37,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198713671] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:37,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:37,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:25:37,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51564033] [2022-12-14 14:25:37,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:37,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:37,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:37,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:37,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:37,937 INFO L87 Difference]: Start difference. First operand 10207 states and 15193 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 14:25:38,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:38,239 INFO L93 Difference]: Finished difference Result 20424 states and 30403 transitions. [2022-12-14 14:25:38,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:38,239 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 14:25:38,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:38,254 INFO L225 Difference]: With dead ends: 20424 [2022-12-14 14:25:38,254 INFO L226 Difference]: Without dead ends: 10219 [2022-12-14 14:25:38,263 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 14:25:38,264 INFO L413 NwaCegarLoop]: 7651 mSDtfsCounter, 833 mSDsluCounter, 6656 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 14307 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:38,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 14307 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:25:38,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10219 states. [2022-12-14 14:25:38,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10219 to 10217. [2022-12-14 14:25:38,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10217 states, 10216 states have (on average 1.4881558339859045) internal successors, (15203), 10216 states have internal predecessors, (15203), 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 14:25:38,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10217 states to 10217 states and 15203 transitions. [2022-12-14 14:25:38,388 INFO L78 Accepts]: Start accepts. Automaton has 10217 states and 15203 transitions. Word has length 23 [2022-12-14 14:25:38,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:38,389 INFO L495 AbstractCegarLoop]: Abstraction has 10217 states and 15203 transitions. [2022-12-14 14:25:38,389 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 14:25:38,389 INFO L276 IsEmpty]: Start isEmpty. Operand 10217 states and 15203 transitions. [2022-12-14 14:25:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-12-14 14:25:38,396 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:38,397 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 14:25:38,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 14:25:38,397 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:38,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:38,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1657237777, now seen corresponding path program 1 times [2022-12-14 14:25:38,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:38,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746063359] [2022-12-14 14:25:38,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:38,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:38,637 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 14:25:38,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:38,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746063359] [2022-12-14 14:25:38,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746063359] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:38,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:38,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:25:38,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479558523] [2022-12-14 14:25:38,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:38,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:38,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:38,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:38,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:38,641 INFO L87 Difference]: Start difference. First operand 10217 states and 15203 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 14:25:38,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:38,914 INFO L93 Difference]: Finished difference Result 10795 states and 16054 transitions. [2022-12-14 14:25:38,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:38,915 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 14:25:38,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:38,933 INFO L225 Difference]: With dead ends: 10795 [2022-12-14 14:25:38,933 INFO L226 Difference]: Without dead ends: 10789 [2022-12-14 14:25:38,936 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 14:25:38,937 INFO L413 NwaCegarLoop]: 7639 mSDtfsCounter, 558 mSDsluCounter, 7470 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 15109 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:38,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 15109 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:25:38,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10789 states. [2022-12-14 14:25:39,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10789 to 10781. [2022-12-14 14:25:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10781 states, 10780 states have (on average 1.4879406307977736) internal successors, (16040), 10780 states have internal predecessors, (16040), 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 14:25:39,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10781 states to 10781 states and 16040 transitions. [2022-12-14 14:25:39,064 INFO L78 Accepts]: Start accepts. Automaton has 10781 states and 16040 transitions. Word has length 280 [2022-12-14 14:25:39,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:39,065 INFO L495 AbstractCegarLoop]: Abstraction has 10781 states and 16040 transitions. [2022-12-14 14:25:39,065 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 14:25:39,065 INFO L276 IsEmpty]: Start isEmpty. Operand 10781 states and 16040 transitions. [2022-12-14 14:25:39,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-12-14 14:25:39,068 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:39,068 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 14:25:39,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 14:25:39,068 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:39,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:39,069 INFO L85 PathProgramCache]: Analyzing trace with hash -154845556, now seen corresponding path program 1 times [2022-12-14 14:25:39,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:39,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113287980] [2022-12-14 14:25:39,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:39,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:39,258 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 14:25:39,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:39,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113287980] [2022-12-14 14:25:39,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113287980] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:39,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:39,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:25:39,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784124868] [2022-12-14 14:25:39,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:39,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:39,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:39,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:39,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:39,261 INFO L87 Difference]: Start difference. First operand 10781 states and 16040 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 14:25:39,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:39,801 INFO L93 Difference]: Finished difference Result 31202 states and 46433 transitions. [2022-12-14 14:25:39,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:39,802 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 14:25:39,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:39,833 INFO L225 Difference]: With dead ends: 31202 [2022-12-14 14:25:39,833 INFO L226 Difference]: Without dead ends: 20987 [2022-12-14 14:25:39,842 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 14:25:39,843 INFO L413 NwaCegarLoop]: 7524 mSDtfsCounter, 7218 mSDsluCounter, 7470 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7218 SdHoareTripleChecker+Valid, 14994 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:39,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7218 Valid, 14994 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:25:39,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20987 states. [2022-12-14 14:25:40,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20987 to 20917. [2022-12-14 14:25:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20917 states, 20916 states have (on average 1.4886689615605277) internal successors, (31137), 20916 states have internal predecessors, (31137), 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 14:25:40,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20917 states to 20917 states and 31137 transitions. [2022-12-14 14:25:40,106 INFO L78 Accepts]: Start accepts. Automaton has 20917 states and 31137 transitions. Word has length 281 [2022-12-14 14:25:40,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:40,107 INFO L495 AbstractCegarLoop]: Abstraction has 20917 states and 31137 transitions. [2022-12-14 14:25:40,107 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 14:25:40,108 INFO L276 IsEmpty]: Start isEmpty. Operand 20917 states and 31137 transitions. [2022-12-14 14:25:40,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-12-14 14:25:40,110 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:40,111 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 14:25:40,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 14:25:40,111 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:40,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:40,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1310251624, now seen corresponding path program 1 times [2022-12-14 14:25:40,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:40,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566561190] [2022-12-14 14:25:40,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:40,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:40,264 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 14:25:40,264 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:40,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566561190] [2022-12-14 14:25:40,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566561190] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:40,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:40,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:25:40,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097065973] [2022-12-14 14:25:40,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:40,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:40,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:40,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:40,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:40,267 INFO L87 Difference]: Start difference. First operand 20917 states and 31137 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 14:25:40,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:40,591 INFO L93 Difference]: Finished difference Result 41265 states and 61433 transitions. [2022-12-14 14:25:40,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:40,592 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 14:25:40,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:40,625 INFO L225 Difference]: With dead ends: 41265 [2022-12-14 14:25:40,625 INFO L226 Difference]: Without dead ends: 20914 [2022-12-14 14:25:40,640 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 14:25:40,641 INFO L413 NwaCegarLoop]: 8339 mSDtfsCounter, 7219 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7219 SdHoareTripleChecker+Valid, 9166 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:40,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7219 Valid, 9166 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:25:40,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20914 states. [2022-12-14 14:25:40,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20914 to 20908. [2022-12-14 14:25:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20908 states, 20907 states have (on average 1.4880661979241403) internal successors, (31111), 20907 states have internal predecessors, (31111), 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 14:25:40,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20908 states to 20908 states and 31111 transitions. [2022-12-14 14:25:40,873 INFO L78 Accepts]: Start accepts. Automaton has 20908 states and 31111 transitions. Word has length 289 [2022-12-14 14:25:40,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:40,873 INFO L495 AbstractCegarLoop]: Abstraction has 20908 states and 31111 transitions. [2022-12-14 14:25:40,874 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 14:25:40,874 INFO L276 IsEmpty]: Start isEmpty. Operand 20908 states and 31111 transitions. [2022-12-14 14:25:40,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-12-14 14:25:40,878 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:40,878 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 14:25:40,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 14:25:40,878 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:40,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:40,879 INFO L85 PathProgramCache]: Analyzing trace with hash 784023788, now seen corresponding path program 1 times [2022-12-14 14:25:40,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:40,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18650502] [2022-12-14 14:25:40,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:40,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:41,020 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 14:25:41,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:41,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18650502] [2022-12-14 14:25:41,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18650502] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:41,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:41,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:25:41,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833576297] [2022-12-14 14:25:41,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:41,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:41,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:41,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:41,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:41,022 INFO L87 Difference]: Start difference. First operand 20908 states and 31111 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 14:25:41,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:41,269 INFO L93 Difference]: Finished difference Result 38944 states and 57963 transitions. [2022-12-14 14:25:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:41,269 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 14:25:41,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:41,300 INFO L225 Difference]: With dead ends: 38944 [2022-12-14 14:25:41,300 INFO L226 Difference]: Without dead ends: 18602 [2022-12-14 14:25:41,315 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 14:25:41,316 INFO L413 NwaCegarLoop]: 7583 mSDtfsCounter, 5808 mSDsluCounter, 1651 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5808 SdHoareTripleChecker+Valid, 9234 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:41,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5808 Valid, 9234 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:25:41,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18602 states. [2022-12-14 14:25:41,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18602 to 18600. [2022-12-14 14:25:41,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18600 states, 18599 states have (on average 1.4878756922415184) internal successors, (27673), 18599 states have internal predecessors, (27673), 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 14:25:41,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18600 states to 18600 states and 27673 transitions. [2022-12-14 14:25:41,529 INFO L78 Accepts]: Start accepts. Automaton has 18600 states and 27673 transitions. Word has length 294 [2022-12-14 14:25:41,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:41,530 INFO L495 AbstractCegarLoop]: Abstraction has 18600 states and 27673 transitions. [2022-12-14 14:25:41,530 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 14:25:41,530 INFO L276 IsEmpty]: Start isEmpty. Operand 18600 states and 27673 transitions. [2022-12-14 14:25:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-12-14 14:25:41,534 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:41,534 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 14:25:41,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 14:25:41,535 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:41,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:41,535 INFO L85 PathProgramCache]: Analyzing trace with hash -815236914, now seen corresponding path program 1 times [2022-12-14 14:25:41,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:41,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934037854] [2022-12-14 14:25:41,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:41,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:41,654 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 14:25:41,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:25:41,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934037854] [2022-12-14 14:25:41,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934037854] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:41,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:41,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:25:41,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374215677] [2022-12-14 14:25:41,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:41,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:41,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:25:41,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:41,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:41,656 INFO L87 Difference]: Start difference. First operand 18600 states and 27673 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 14:25:41,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:41,944 INFO L93 Difference]: Finished difference Result 36654 states and 54531 transitions. [2022-12-14 14:25:41,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:41,945 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 14:25:41,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:41,962 INFO L225 Difference]: With dead ends: 36654 [2022-12-14 14:25:41,962 INFO L226 Difference]: Without dead ends: 18626 [2022-12-14 14:25:41,968 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 14:25:41,968 INFO L413 NwaCegarLoop]: 7596 mSDtfsCounter, 829 mSDsluCounter, 6613 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 14209 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:41,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 14209 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:25:41,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18626 states. [2022-12-14 14:25:42,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18626 to 18624. [2022-12-14 14:25:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18624 states, 18623 states have (on average 1.4872469526929066) internal successors, (27697), 18623 states have internal predecessors, (27697), 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 14:25:42,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18624 states to 18624 states and 27697 transitions. [2022-12-14 14:25:42,155 INFO L78 Accepts]: Start accepts. Automaton has 18624 states and 27697 transitions. Word has length 299 [2022-12-14 14:25:42,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:42,156 INFO L495 AbstractCegarLoop]: Abstraction has 18624 states and 27697 transitions. [2022-12-14 14:25:42,156 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 14:25:42,156 INFO L276 IsEmpty]: Start isEmpty. Operand 18624 states and 27697 transitions. [2022-12-14 14:25:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-12-14 14:25:42,159 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:42,160 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 14:25:42,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 14:25:42,160 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:42,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:42,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1562163702, now seen corresponding path program 1 times [2022-12-14 14:25:42,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:25:42,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048005262] [2022-12-14 14:25:42,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:42,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:25:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:26:01,356 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 14:26:01,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:26:01,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048005262] [2022-12-14 14:26:01,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048005262] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:26:01,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:26:01,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:26:01,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497842326] [2022-12-14 14:26:01,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:26:01,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:26:01,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:26:01,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:26:01,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:26:01,358 INFO L87 Difference]: Start difference. First operand 18624 states and 27697 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 14:26:02,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:26:02,246 INFO L93 Difference]: Finished difference Result 36742 states and 54602 transitions. [2022-12-14 14:26:02,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:26:02,247 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 14:26:02,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:26:02,284 INFO L225 Difference]: With dead ends: 36742 [2022-12-14 14:26:02,284 INFO L226 Difference]: Without dead ends: 36740 [2022-12-14 14:26:02,292 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 14:26:02,292 INFO L413 NwaCegarLoop]: 18273 mSDtfsCounter, 13769 mSDsluCounter, 19803 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13769 SdHoareTripleChecker+Valid, 38076 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 14:26:02,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13769 Valid, 38076 Invalid, 944 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [224 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 14:26:02,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36740 states. [2022-12-14 14:26:02,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36740 to 36576. [2022-12-14 14:26:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36576 states, 36575 states have (on average 1.4882023239917976) internal successors, (54431), 36575 states have internal predecessors, (54431), 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 14:26:02,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36576 states to 36576 states and 54431 transitions. [2022-12-14 14:26:02,671 INFO L78 Accepts]: Start accepts. Automaton has 36576 states and 54431 transitions. Word has length 299 [2022-12-14 14:26:02,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:26:02,672 INFO L495 AbstractCegarLoop]: Abstraction has 36576 states and 54431 transitions. [2022-12-14 14:26:02,672 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 14:26:02,672 INFO L276 IsEmpty]: Start isEmpty. Operand 36576 states and 54431 transitions. [2022-12-14 14:26:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-12-14 14:26:02,674 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:26:02,675 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 14:26:02,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 14:26:02,675 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:26:02,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:26:02,675 INFO L85 PathProgramCache]: Analyzing trace with hash -251779710, now seen corresponding path program 1 times [2022-12-14 14:26:02,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:26:02,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171911318] [2022-12-14 14:26:02,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:26:02,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:26:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:26:02,788 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 14:26:02,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:26:02,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171911318] [2022-12-14 14:26:02,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171911318] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:26:02,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:26:02,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:26:02,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719877373] [2022-12-14 14:26:02,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:26:02,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:26:02,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:26:02,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:26:02,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:26:02,790 INFO L87 Difference]: Start difference. First operand 36576 states and 54431 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 14:26:03,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:26:03,118 INFO L93 Difference]: Finished difference Result 68623 states and 102143 transitions. [2022-12-14 14:26:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:26:03,119 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 14:26:03,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:26:03,154 INFO L225 Difference]: With dead ends: 68623 [2022-12-14 14:26:03,155 INFO L226 Difference]: Without dead ends: 32619 [2022-12-14 14:26:03,172 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 14:26:03,173 INFO L413 NwaCegarLoop]: 7581 mSDtfsCounter, 4977 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4977 SdHoareTripleChecker+Valid, 10055 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:26:03,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4977 Valid, 10055 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:26:03,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32619 states. [2022-12-14 14:26:03,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32619 to 32617. [2022-12-14 14:26:03,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32617 states, 32616 states have (on average 1.4884412558253617) internal successors, (48547), 32616 states have internal predecessors, (48547), 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 14:26:03,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32617 states to 32617 states and 48547 transitions. [2022-12-14 14:26:03,487 INFO L78 Accepts]: Start accepts. Automaton has 32617 states and 48547 transitions. Word has length 300 [2022-12-14 14:26:03,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:26:03,487 INFO L495 AbstractCegarLoop]: Abstraction has 32617 states and 48547 transitions. [2022-12-14 14:26:03,488 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 14:26:03,488 INFO L276 IsEmpty]: Start isEmpty. Operand 32617 states and 48547 transitions. [2022-12-14 14:26:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-12-14 14:26:03,490 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:26:03,490 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 14:26:03,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 14:26:03,490 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:26:03,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:26:03,491 INFO L85 PathProgramCache]: Analyzing trace with hash 105871082, now seen corresponding path program 1 times [2022-12-14 14:26:03,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:26:03,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286027978] [2022-12-14 14:26:03,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:26:03,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:26:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:26:03,610 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 14:26:03,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:26:03,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286027978] [2022-12-14 14:26:03,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286027978] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:26:03,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:26:03,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:26:03,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477897418] [2022-12-14 14:26:03,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:26:03,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:26:03,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:26:03,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:26:03,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:26:03,612 INFO L87 Difference]: Start difference. First operand 32617 states and 48547 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 14:26:04,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:26:04,098 INFO L93 Difference]: Finished difference Result 64163 states and 95481 transitions. [2022-12-14 14:26:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:26:04,099 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 14:26:04,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:26:04,130 INFO L225 Difference]: With dead ends: 64163 [2022-12-14 14:26:04,130 INFO L226 Difference]: Without dead ends: 32679 [2022-12-14 14:26:04,144 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 14:26:04,144 INFO L413 NwaCegarLoop]: 8336 mSDtfsCounter, 5791 mSDsluCounter, 7426 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5791 SdHoareTripleChecker+Valid, 15762 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:26:04,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5791 Valid, 15762 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 14:26:04,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32679 states. [2022-12-14 14:26:04,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32679 to 32621. [2022-12-14 14:26:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32621 states, 32620 states have (on average 1.4878908645003066) internal successors, (48535), 32620 states have internal predecessors, (48535), 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 14:26:04,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32621 states to 32621 states and 48535 transitions. [2022-12-14 14:26:04,452 INFO L78 Accepts]: Start accepts. Automaton has 32621 states and 48535 transitions. Word has length 301 [2022-12-14 14:26:04,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:26:04,453 INFO L495 AbstractCegarLoop]: Abstraction has 32621 states and 48535 transitions. [2022-12-14 14:26:04,453 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 14:26:04,453 INFO L276 IsEmpty]: Start isEmpty. Operand 32621 states and 48535 transitions. [2022-12-14 14:26:04,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-12-14 14:26:04,455 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:26:04,455 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 14:26:04,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 14:26:04,456 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:26:04,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:26:04,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1691719327, now seen corresponding path program 1 times [2022-12-14 14:26:04,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:26:04,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596251776] [2022-12-14 14:26:04,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:26:04,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:26:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:26:04,539 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 14:26:04,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:26:04,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596251776] [2022-12-14 14:26:04,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596251776] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:26:04,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:26:04,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:26:04,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365201578] [2022-12-14 14:26:04,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:26:04,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:26:04,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:26:04,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:26:04,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:26:04,541 INFO L87 Difference]: Start difference. First operand 32621 states and 48535 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 14:26:04,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:26:04,805 INFO L93 Difference]: Finished difference Result 64157 states and 95447 transitions. [2022-12-14 14:26:04,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:26:04,805 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 14:26:04,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:26:04,842 INFO L225 Difference]: With dead ends: 64157 [2022-12-14 14:26:04,842 INFO L226 Difference]: Without dead ends: 32679 [2022-12-14 14:26:04,858 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 14:26:04,858 INFO L413 NwaCegarLoop]: 7591 mSDtfsCounter, 829 mSDsluCounter, 6609 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 14200 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:26:04,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 14200 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:26:04,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32679 states. [2022-12-14 14:26:05,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32679 to 32677. [2022-12-14 14:26:05,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32677 states, 32676 states have (on average 1.4870547190598604) internal successors, (48591), 32676 states have internal predecessors, (48591), 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 14:26:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32677 states to 32677 states and 48591 transitions. [2022-12-14 14:26:05,181 INFO L78 Accepts]: Start accepts. Automaton has 32677 states and 48591 transitions. Word has length 302 [2022-12-14 14:26:05,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:26:05,181 INFO L495 AbstractCegarLoop]: Abstraction has 32677 states and 48591 transitions. [2022-12-14 14:26:05,181 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 14:26:05,181 INFO L276 IsEmpty]: Start isEmpty. Operand 32677 states and 48591 transitions. [2022-12-14 14:26:05,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-12-14 14:26:05,184 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:26:05,184 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 14:26:05,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 14:26:05,184 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:26:05,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:26:05,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1768342815, now seen corresponding path program 1 times [2022-12-14 14:26:05,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:26:05,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172743190] [2022-12-14 14:26:05,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:26:05,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:26:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:26:05,282 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 14:26:05,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:26:05,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172743190] [2022-12-14 14:26:05,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172743190] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:26:05,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:26:05,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:26:05,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154642501] [2022-12-14 14:26:05,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:26:05,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:26:05,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:26:05,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:26:05,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:26:05,283 INFO L87 Difference]: Start difference. First operand 32677 states and 48591 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 14:26:05,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:26:05,577 INFO L93 Difference]: Finished difference Result 60257 states and 89622 transitions. [2022-12-14 14:26:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:26:05,578 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 14:26:05,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:26:05,610 INFO L225 Difference]: With dead ends: 60257 [2022-12-14 14:26:05,610 INFO L226 Difference]: Without dead ends: 28723 [2022-12-14 14:26:05,625 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 14:26:05,626 INFO L413 NwaCegarLoop]: 7579 mSDtfsCounter, 4148 mSDsluCounter, 3297 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4148 SdHoareTripleChecker+Valid, 10876 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:26:05,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4148 Valid, 10876 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:26:05,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28723 states. [2022-12-14 14:26:05,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28723 to 28721. [2022-12-14 14:26:05,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28721 states, 28720 states have (on average 1.4871169916434541) internal successors, (42710), 28720 states have internal predecessors, (42710), 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 14:26:05,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28721 states to 28721 states and 42710 transitions. [2022-12-14 14:26:05,900 INFO L78 Accepts]: Start accepts. Automaton has 28721 states and 42710 transitions. Word has length 316 [2022-12-14 14:26:05,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:26:05,900 INFO L495 AbstractCegarLoop]: Abstraction has 28721 states and 42710 transitions. [2022-12-14 14:26:05,900 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 14:26:05,901 INFO L276 IsEmpty]: Start isEmpty. Operand 28721 states and 42710 transitions. [2022-12-14 14:26:05,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-12-14 14:26:05,903 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:26:05,903 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:26:05,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 14:26:05,904 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:26:05,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:26:05,904 INFO L85 PathProgramCache]: Analyzing trace with hash 825708137, now seen corresponding path program 1 times [2022-12-14 14:26:05,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:26:05,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570720651] [2022-12-14 14:26:05,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:26:05,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:26:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:26:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 14:26:05,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:26:05,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570720651] [2022-12-14 14:26:05,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570720651] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:26:05,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:26:05,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:26:05,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746978253] [2022-12-14 14:26:05,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:26:05,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:26:05,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:26:05,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:26:05,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:26:05,995 INFO L87 Difference]: Start difference. First operand 28721 states and 42710 transitions. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:26:06,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:26:06,270 INFO L93 Difference]: Finished difference Result 56365 states and 83805 transitions. [2022-12-14 14:26:06,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:26:06,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 319 [2022-12-14 14:26:06,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:26:06,301 INFO L225 Difference]: With dead ends: 56365 [2022-12-14 14:26:06,301 INFO L226 Difference]: Without dead ends: 28787 [2022-12-14 14:26:06,314 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 14:26:06,315 INFO L413 NwaCegarLoop]: 7588 mSDtfsCounter, 829 mSDsluCounter, 6605 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 14193 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:26:06,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 14193 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:26:06,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28787 states. [2022-12-14 14:26:06,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28787 to 28785. [2022-12-14 14:26:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28785 states, 28784 states have (on average 1.4860339077265148) internal successors, (42774), 28784 states have internal predecessors, (42774), 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 14:26:06,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28785 states to 28785 states and 42774 transitions. [2022-12-14 14:26:06,593 INFO L78 Accepts]: Start accepts. Automaton has 28785 states and 42774 transitions. Word has length 319 [2022-12-14 14:26:06,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:26:06,593 INFO L495 AbstractCegarLoop]: Abstraction has 28785 states and 42774 transitions. [2022-12-14 14:26:06,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:26:06,593 INFO L276 IsEmpty]: Start isEmpty. Operand 28785 states and 42774 transitions. [2022-12-14 14:26:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-12-14 14:26:06,596 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:26:06,596 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:26:06,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 14:26:06,596 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:26:06,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:26:06,597 INFO L85 PathProgramCache]: Analyzing trace with hash -2044792243, now seen corresponding path program 1 times [2022-12-14 14:26:06,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:26:06,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528941943] [2022-12-14 14:26:06,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:26:06,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:26:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:26:06,690 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 14:26:06,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:26:06,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528941943] [2022-12-14 14:26:06,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528941943] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:26:06,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:26:06,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:26:06,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104688503] [2022-12-14 14:26:06,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:26:06,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:26:06,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:26:06,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:26:06,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:26:06,692 INFO L87 Difference]: Start difference. First operand 28785 states and 42774 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:26:06,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:26:06,959 INFO L93 Difference]: Finished difference Result 47497 states and 70547 transitions. [2022-12-14 14:26:06,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:26:06,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 336 [2022-12-14 14:26:06,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:26:06,982 INFO L225 Difference]: With dead ends: 47497 [2022-12-14 14:26:06,982 INFO L226 Difference]: Without dead ends: 19855 [2022-12-14 14:26:06,993 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 14:26:06,994 INFO L413 NwaCegarLoop]: 7588 mSDtfsCounter, 829 mSDsluCounter, 6605 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 14193 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:26:06,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 14193 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:26:07,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19855 states. [2022-12-14 14:26:07,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19855 to 19853. [2022-12-14 14:26:07,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19853 states, 19852 states have (on average 1.4831754986903083) internal successors, (29444), 19852 states have internal predecessors, (29444), 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 14:26:07,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19853 states to 19853 states and 29444 transitions. [2022-12-14 14:26:07,182 INFO L78 Accepts]: Start accepts. Automaton has 19853 states and 29444 transitions. Word has length 336 [2022-12-14 14:26:07,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:26:07,183 INFO L495 AbstractCegarLoop]: Abstraction has 19853 states and 29444 transitions. [2022-12-14 14:26:07,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:26:07,183 INFO L276 IsEmpty]: Start isEmpty. Operand 19853 states and 29444 transitions. [2022-12-14 14:26:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2022-12-14 14:26:07,189 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:26:07,189 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 14:26:07,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 14:26:07,189 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:26:07,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:26:07,190 INFO L85 PathProgramCache]: Analyzing trace with hash 266289450, now seen corresponding path program 1 times [2022-12-14 14:26:07,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:26:07,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709984356] [2022-12-14 14:26:07,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:26:07,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:26:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:26:07,387 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 14:26:07,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:26:07,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709984356] [2022-12-14 14:26:07,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709984356] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:26:07,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:26:07,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:26:07,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042785833] [2022-12-14 14:26:07,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:26:07,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:26:07,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:26:07,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:26:07,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:26:07,390 INFO L87 Difference]: Start difference. First operand 19853 states and 29444 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 14:26:07,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:26:07,665 INFO L93 Difference]: Finished difference Result 22138 states and 32820 transitions. [2022-12-14 14:26:07,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:26:07,666 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 14:26:07,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:26:07,686 INFO L225 Difference]: With dead ends: 22138 [2022-12-14 14:26:07,686 INFO L226 Difference]: Without dead ends: 22130 [2022-12-14 14:26:07,690 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 14:26:07,690 INFO L413 NwaCegarLoop]: 7551 mSDtfsCounter, 2205 mSDsluCounter, 6614 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 14165 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:26:07,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2205 Valid, 14165 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:26:07,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22130 states. [2022-12-14 14:26:07,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22130 to 22114. [2022-12-14 14:26:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22114 states, 22113 states have (on average 1.4829738163071498) internal successors, (32793), 22113 states have internal predecessors, (32793), 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 14:26:07,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22114 states to 22114 states and 32793 transitions. [2022-12-14 14:26:07,887 INFO L78 Accepts]: Start accepts. Automaton has 22114 states and 32793 transitions. Word has length 565 [2022-12-14 14:26:07,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:26:07,887 INFO L495 AbstractCegarLoop]: Abstraction has 22114 states and 32793 transitions. [2022-12-14 14:26:07,887 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 14:26:07,888 INFO L276 IsEmpty]: Start isEmpty. Operand 22114 states and 32793 transitions. [2022-12-14 14:26:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2022-12-14 14:26:07,893 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:26:07,893 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 14:26:07,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 14:26:07,893 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:26:07,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:26:07,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1785211790, now seen corresponding path program 1 times [2022-12-14 14:26:07,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:26:07,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843404854] [2022-12-14 14:26:07,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:26:07,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:26:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:26:08,136 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 14:26:08,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:26:08,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843404854] [2022-12-14 14:26:08,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843404854] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:26:08,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:26:08,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 14:26:08,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550777231] [2022-12-14 14:26:08,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:26:08,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:26:08,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:26:08,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:26:08,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:26:08,138 INFO L87 Difference]: Start difference. First operand 22114 states and 32793 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 14:26:08,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:26:08,605 INFO L93 Difference]: Finished difference Result 59534 states and 88295 transitions. [2022-12-14 14:26:08,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:26:08,605 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 14:26:08,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:26:08,647 INFO L225 Difference]: With dead ends: 59534 [2022-12-14 14:26:08,647 INFO L226 Difference]: Without dead ends: 38553 [2022-12-14 14:26:08,661 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 14:26:08,661 INFO L413 NwaCegarLoop]: 13366 mSDtfsCounter, 6883 mSDsluCounter, 7430 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6883 SdHoareTripleChecker+Valid, 20796 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:26:08,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6883 Valid, 20796 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 14:26:08,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38553 states. [2022-12-14 14:26:08,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38553 to 38343. [2022-12-14 14:26:08,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38343 states, 38342 states have (on average 1.4854728496166085) internal successors, (56956), 38342 states have internal predecessors, (56956), 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 14:26:09,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38343 states to 38343 states and 56956 transitions. [2022-12-14 14:26:09,023 INFO L78 Accepts]: Start accepts. Automaton has 38343 states and 56956 transitions. Word has length 571 [2022-12-14 14:26:09,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:26:09,023 INFO L495 AbstractCegarLoop]: Abstraction has 38343 states and 56956 transitions. [2022-12-14 14:26:09,023 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 14:26:09,024 INFO L276 IsEmpty]: Start isEmpty. Operand 38343 states and 56956 transitions. [2022-12-14 14:26:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2022-12-14 14:26:09,029 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:26:09,030 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 14:26:09,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 14:26:09,030 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:26:09,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:26:09,030 INFO L85 PathProgramCache]: Analyzing trace with hash -627314658, now seen corresponding path program 1 times [2022-12-14 14:26:09,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:26:09,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742845627] [2022-12-14 14:26:09,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:26:09,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:26:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:26:09,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 14:26:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:26:09,537 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 14:26:09,537 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 14:26:09,538 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 14:26:09,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 14:26:09,541 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:26:09,544 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:26:09,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:26:09 BoogieIcfgContainer [2022-12-14 14:26:09,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:26:09,648 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:26:09,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:26:09,648 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:26:09,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:25:35" (3/4) ... [2022-12-14 14:26:09,650 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 14:26:09,779 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22ea045-3aba-486b-a9d0-c9d5c318069c/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 14:26:09,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:26:09,780 INFO L158 Benchmark]: Toolchain (without parser) took 299635.28ms. Allocated memory was 3.2GB in the beginning and 13.2GB in the end (delta: 10.1GB). Free memory was 1.7GB in the beginning and 4.9GB in the end (delta: -3.2GB). Peak memory consumption was 10.0GB. Max. memory is 16.1GB. [2022-12-14 14:26:09,780 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:26:09,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202388.89ms. Allocated memory was 3.2GB in the beginning and 8.3GB in the end (delta: 5.2GB). Free memory was 1.7GB in the beginning and 2.5GB in the end (delta: -765.5MB). Peak memory consumption was 9.4GB. Max. memory is 16.1GB. [2022-12-14 14:26:09,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 19257.96ms. Allocated memory was 8.3GB in the beginning and 11.5GB in the end (delta: 3.1GB). Free memory was 2.5GB in the beginning and 4.1GB in the end (delta: -1.6GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2022-12-14 14:26:09,781 INFO L158 Benchmark]: Boogie Preprocessor took 17094.11ms. Allocated memory was 11.5GB in the beginning and 12.4GB in the end (delta: 924.8MB). Free memory was 4.1GB in the beginning and 2.5GB in the end (delta: 1.6GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2022-12-14 14:26:09,781 INFO L158 Benchmark]: RCFGBuilder took 26491.93ms. Allocated memory was 12.4GB in the beginning and 13.2GB in the end (delta: 805.3MB). Free memory was 2.5GB in the beginning and 3.5GB in the end (delta: -1.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-12-14 14:26:09,781 INFO L158 Benchmark]: TraceAbstraction took 34265.75ms. Allocated memory is still 13.2GB. Free memory was 3.5GB in the beginning and 1.7GB in the end (delta: 1.8GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2022-12-14 14:26:09,781 INFO L158 Benchmark]: Witness Printer took 131.52ms. Allocated memory is still 13.2GB. Free memory was 1.7GB in the beginning and 4.9GB in the end (delta: -3.2GB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2022-12-14 14:26:09,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202388.89ms. Allocated memory was 3.2GB in the beginning and 8.3GB in the end (delta: 5.2GB). Free memory was 1.7GB in the beginning and 2.5GB in the end (delta: -765.5MB). Peak memory consumption was 9.4GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19257.96ms. Allocated memory was 8.3GB in the beginning and 11.5GB in the end (delta: 3.1GB). Free memory was 2.5GB in the beginning and 4.1GB in the end (delta: -1.6GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Boogie Preprocessor took 17094.11ms. Allocated memory was 11.5GB in the beginning and 12.4GB in the end (delta: 924.8MB). Free memory was 4.1GB in the beginning and 2.5GB in the end (delta: 1.6GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. * RCFGBuilder took 26491.93ms. Allocated memory was 12.4GB in the beginning and 13.2GB in the end (delta: 805.3MB). Free memory was 2.5GB in the beginning and 3.5GB in the end (delta: -1.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * TraceAbstraction took 34265.75ms. Allocated memory is still 13.2GB. Free memory was 3.5GB in the beginning and 1.7GB in the end (delta: 1.8GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Witness Printer took 131.52ms. Allocated memory is still 13.2GB. Free memory was 1.7GB in the beginning and 4.9GB in the end (delta: -3.2GB). Peak memory consumption was 13.8MB. 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: 39962]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L7] int m_stage2Separation = 1; [L8] int m_completion = 2; [L9] int m_tliBurn = 3; [L10] int m_loiBurn = 4; [L11] int m_stage1Separation = 5; [L12] int m_edsSeparation = 6; [L13] int m_lsamAscentRendezvous = 7; [L14] int m_smSeparation = 8; [L15] int m_eiBurn = 9; [L16] int m_lsamRendezvous = 10; [L17] int m_teiBurn = 11; [L18] int m_CEV = 12; [L19] int m_abort = 13; [L20] int m_enterOrbitOps = 14; [L21] int m_failure = 15; [L22] int m_lsamSeparation = 16; [L23] int m_abortPassiveLAScompletion = 17; [L24] int m_lasJettison = 18; [L25] int m_lsamAscentBurn = 19; [L26] int m_srbIgnition = 20; [L27] int m_deOrbit = 21; [L32] int q = 0; [L33] int method_id; [L36] int this_spacecraft_cLSAM_ASCENT = 0; [L37] int this_spacecraft_cEDS = 0; [L38] int this_spacecraft_cLSAM_DESCENT = 0; [L39] int this_spacecraft_cLAS = 1; [L40] int this_spacecraft_cStage1 = 1; [L41] int this_spacecraft_cStage2 = 1; [L42] int this_spacecraft_cCM = 1; [L43] int this_spacecraft_cSM = 1; VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, q=0, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND TRUE q == 0 [L58] COND TRUE __VERIFIER_nondet_int() [L62] method_id = 12 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=12, P1=1, P2=0, P3=0, P4=1, P5=0, q=0, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L64] COND FALSE !(0) [L68] q = 2 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=12, P1=1, P2=0, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND FALSE !(q == 0) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=12, P1=0, P2=1, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L76] COND FALSE !(q == 1) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=12, P1=0, P2=1, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L176] COND TRUE q == 2 [L177] COND FALSE !(__VERIFIER_nondet_int()) [L193] COND FALSE !(__VERIFIER_nondet_int()) [L209] COND FALSE !(__VERIFIER_nondet_int()) [L225] COND FALSE !(__VERIFIER_nondet_int()) [L241] COND FALSE !(__VERIFIER_nondet_int()) [L257] COND FALSE !(__VERIFIER_nondet_int()) [L273] COND FALSE !(__VERIFIER_nondet_int()) [L289] COND TRUE __VERIFIER_nondet_int() [L293] method_id = 8 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=8, P1=0, P2=1, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=1, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L295] COND FALSE !(0) [L299] q = 2 [L301] this_spacecraft_cLSAM_ASCENT=this_spacecraft_cLSAM_ASCENT [L301] this_spacecraft_cCM=this_spacecraft_cCM [L301] this_spacecraft_cSM=0 [L301] this_spacecraft_cLSAM_DESCENT=this_spacecraft_cLSAM_DESCENT [L301] this_spacecraft_cEDS=this_spacecraft_cEDS [L301] this_spacecraft_cLAS=this_spacecraft_cLAS [L301] this_spacecraft_cStage2=this_spacecraft_cStage2 [L301] this_spacecraft_cStage1=this_spacecraft_cStage1 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=8, P1=0, P2=1, P3=0, P4=1, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND FALSE !(q == 0) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=8, P1=0, P2=1, P3=0, P4=0, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L76] COND FALSE !(q == 1) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=8, P1=0, P2=1, P3=0, P4=0, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L176] COND TRUE q == 2 [L177] COND FALSE !(__VERIFIER_nondet_int()) [L193] COND FALSE !(__VERIFIER_nondet_int()) [L209] COND FALSE !(__VERIFIER_nondet_int()) [L225] COND FALSE !(__VERIFIER_nondet_int()) [L241] COND FALSE !(__VERIFIER_nondet_int()) [L257] COND FALSE !(__VERIFIER_nondet_int()) [L273] COND FALSE !(__VERIFIER_nondet_int()) [L289] COND FALSE !(__VERIFIER_nondet_int()) [L305] COND FALSE !(__VERIFIER_nondet_int()) [L321] COND FALSE !(__VERIFIER_nondet_int()) [L337] COND FALSE !(__VERIFIER_nondet_int()) [L353] COND FALSE !(__VERIFIER_nondet_int()) [L369] COND FALSE !(__VERIFIER_nondet_int()) [L385] COND FALSE !(__VERIFIER_nondet_int()) [L401] COND FALSE !(__VERIFIER_nondet_int()) [L417] COND FALSE !(__VERIFIER_nondet_int()) [L433] COND FALSE !(__VERIFIER_nondet_int()) [L449] COND FALSE !(__VERIFIER_nondet_int()) [L465] COND FALSE !(__VERIFIER_nondet_int()) [L481] COND FALSE !(__VERIFIER_nondet_int()) [L497] COND FALSE !(__VERIFIER_nondet_int()) [L513] COND FALSE !(__VERIFIER_nondet_int()) [L529] COND FALSE !(__VERIFIER_nondet_int()) [L545] COND FALSE !(__VERIFIER_nondet_int()) [L561] COND FALSE !(__VERIFIER_nondet_int()) [L577] COND FALSE !(__VERIFIER_nondet_int()) [L593] COND FALSE !(__VERIFIER_nondet_int()) [L609] COND FALSE !(__VERIFIER_nondet_int()) [L625] COND FALSE !(__VERIFIER_nondet_int()) [L641] COND FALSE !(__VERIFIER_nondet_int()) [L657] COND FALSE !(__VERIFIER_nondet_int()) [L673] COND FALSE !(__VERIFIER_nondet_int()) [L689] COND FALSE !(__VERIFIER_nondet_int()) [L705] COND FALSE !(__VERIFIER_nondet_int()) [L721] COND FALSE !(__VERIFIER_nondet_int()) [L737] COND FALSE !(__VERIFIER_nondet_int()) [L753] COND FALSE !(__VERIFIER_nondet_int()) [L769] COND FALSE !(__VERIFIER_nondet_int()) [L785] COND FALSE !(__VERIFIER_nondet_int()) [L801] COND FALSE !(__VERIFIER_nondet_int()) [L817] COND FALSE !(__VERIFIER_nondet_int()) [L833] COND FALSE !(__VERIFIER_nondet_int()) [L849] COND FALSE !(__VERIFIER_nondet_int()) [L865] COND FALSE !(__VERIFIER_nondet_int()) [L881] COND FALSE !(__VERIFIER_nondet_int()) [L897] COND FALSE !(__VERIFIER_nondet_int()) [L913] COND FALSE !(__VERIFIER_nondet_int()) [L929] COND FALSE !(__VERIFIER_nondet_int()) [L945] COND FALSE !(__VERIFIER_nondet_int()) [L961] COND FALSE !(__VERIFIER_nondet_int()) [L977] COND FALSE !(__VERIFIER_nondet_int()) [L993] COND FALSE !(__VERIFIER_nondet_int()) [L1009] COND FALSE !(__VERIFIER_nondet_int()) [L1025] COND FALSE !(__VERIFIER_nondet_int()) [L1041] COND FALSE !(__VERIFIER_nondet_int()) [L1057] COND FALSE !(__VERIFIER_nondet_int()) [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1089] COND FALSE !(__VERIFIER_nondet_int()) [L1105] COND FALSE !(__VERIFIER_nondet_int()) [L1121] COND FALSE !(__VERIFIER_nondet_int()) [L1137] COND FALSE !(__VERIFIER_nondet_int()) [L1153] COND FALSE !(__VERIFIER_nondet_int()) [L1169] COND FALSE !(__VERIFIER_nondet_int()) [L1185] COND FALSE !(__VERIFIER_nondet_int()) [L1201] COND FALSE !(__VERIFIER_nondet_int()) [L1217] COND FALSE !(__VERIFIER_nondet_int()) [L1233] COND FALSE !(__VERIFIER_nondet_int()) [L1249] COND FALSE !(__VERIFIER_nondet_int()) [L1265] COND FALSE !(__VERIFIER_nondet_int()) [L1281] COND FALSE !(__VERIFIER_nondet_int()) [L1297] COND FALSE !(__VERIFIER_nondet_int()) [L1313] COND FALSE !(__VERIFIER_nondet_int()) [L1329] COND FALSE !(__VERIFIER_nondet_int()) [L1345] COND FALSE !(__VERIFIER_nondet_int()) [L1361] COND FALSE !(__VERIFIER_nondet_int()) [L1377] COND FALSE !(__VERIFIER_nondet_int()) [L1393] COND FALSE !(__VERIFIER_nondet_int()) [L1409] COND FALSE !(__VERIFIER_nondet_int()) [L1425] COND FALSE !(__VERIFIER_nondet_int()) [L1441] COND FALSE !(__VERIFIER_nondet_int()) [L1457] COND FALSE !(__VERIFIER_nondet_int()) [L1473] COND FALSE !(__VERIFIER_nondet_int()) [L1489] COND FALSE !(__VERIFIER_nondet_int()) [L1505] COND FALSE !(__VERIFIER_nondet_int()) [L1521] COND FALSE !(__VERIFIER_nondet_int()) [L1537] COND FALSE !(__VERIFIER_nondet_int()) [L1553] COND FALSE !(__VERIFIER_nondet_int()) [L1569] COND FALSE !(__VERIFIER_nondet_int()) [L1585] COND FALSE !(__VERIFIER_nondet_int()) [L1601] COND FALSE !(__VERIFIER_nondet_int()) [L1617] COND FALSE !(__VERIFIER_nondet_int()) [L1633] COND FALSE !(__VERIFIER_nondet_int()) [L1649] COND FALSE !(__VERIFIER_nondet_int()) [L1665] COND FALSE !(__VERIFIER_nondet_int()) [L1681] COND FALSE !(__VERIFIER_nondet_int()) [L1697] COND FALSE !(__VERIFIER_nondet_int()) [L1713] COND FALSE !(__VERIFIER_nondet_int()) [L1729] COND FALSE !(__VERIFIER_nondet_int()) [L1745] COND FALSE !(__VERIFIER_nondet_int()) [L1761] COND FALSE !(__VERIFIER_nondet_int()) [L1777] COND FALSE !(__VERIFIER_nondet_int()) [L1793] COND FALSE !(__VERIFIER_nondet_int()) [L1809] COND FALSE !(__VERIFIER_nondet_int()) [L1825] COND FALSE !(__VERIFIER_nondet_int()) [L1841] COND FALSE !(__VERIFIER_nondet_int()) [L1857] COND FALSE !(__VERIFIER_nondet_int()) [L1873] COND FALSE !(__VERIFIER_nondet_int()) [L1889] COND FALSE !(__VERIFIER_nondet_int()) [L1905] COND FALSE !(__VERIFIER_nondet_int()) [L1921] COND FALSE !(__VERIFIER_nondet_int()) [L1937] COND FALSE !(__VERIFIER_nondet_int()) [L1953] COND FALSE !(__VERIFIER_nondet_int()) [L1969] COND FALSE !(__VERIFIER_nondet_int()) [L1985] COND FALSE !(__VERIFIER_nondet_int()) [L2001] COND FALSE !(__VERIFIER_nondet_int()) [L2017] COND FALSE !(__VERIFIER_nondet_int()) [L2033] COND FALSE !(__VERIFIER_nondet_int()) [L2049] COND FALSE !(__VERIFIER_nondet_int()) [L2065] COND FALSE !(__VERIFIER_nondet_int()) [L2081] COND FALSE !(__VERIFIER_nondet_int()) [L2097] COND FALSE !(__VERIFIER_nondet_int()) [L2113] COND FALSE !(__VERIFIER_nondet_int()) [L2129] COND FALSE !(__VERIFIER_nondet_int()) [L2145] COND FALSE !(__VERIFIER_nondet_int()) [L2161] COND FALSE !(__VERIFIER_nondet_int()) [L2177] COND FALSE !(__VERIFIER_nondet_int()) [L2193] COND FALSE !(__VERIFIER_nondet_int()) [L2209] COND FALSE !(__VERIFIER_nondet_int()) [L2225] COND FALSE !(__VERIFIER_nondet_int()) [L2241] COND FALSE !(__VERIFIER_nondet_int()) [L2257] COND FALSE !(__VERIFIER_nondet_int()) [L2273] COND FALSE !(__VERIFIER_nondet_int()) [L2289] COND FALSE !(__VERIFIER_nondet_int()) [L2305] COND FALSE !(__VERIFIER_nondet_int()) [L2321] COND FALSE !(__VERIFIER_nondet_int()) [L2337] COND FALSE !(__VERIFIER_nondet_int()) [L2353] COND FALSE !(__VERIFIER_nondet_int()) [L2369] COND FALSE !(__VERIFIER_nondet_int()) [L2385] COND FALSE !(__VERIFIER_nondet_int()) [L2401] COND FALSE !(__VERIFIER_nondet_int()) [L2417] COND FALSE !(__VERIFIER_nondet_int()) [L2433] COND FALSE !(__VERIFIER_nondet_int()) [L2449] COND FALSE !(__VERIFIER_nondet_int()) [L2465] COND FALSE !(__VERIFIER_nondet_int()) [L2481] COND FALSE !(__VERIFIER_nondet_int()) [L2497] COND FALSE !(__VERIFIER_nondet_int()) [L2513] COND FALSE !(__VERIFIER_nondet_int()) [L2529] COND FALSE !(__VERIFIER_nondet_int()) [L2545] COND FALSE !(__VERIFIER_nondet_int()) [L2561] COND FALSE !(__VERIFIER_nondet_int()) [L2577] COND FALSE !(__VERIFIER_nondet_int()) [L2593] COND FALSE !(__VERIFIER_nondet_int()) [L2609] COND FALSE !(__VERIFIER_nondet_int()) [L2625] COND FALSE !(__VERIFIER_nondet_int()) [L2641] COND FALSE !(__VERIFIER_nondet_int()) [L2657] COND FALSE !(__VERIFIER_nondet_int()) [L2673] COND FALSE !(__VERIFIER_nondet_int()) [L2689] COND FALSE !(__VERIFIER_nondet_int()) [L2705] COND FALSE !(__VERIFIER_nondet_int()) [L2721] COND FALSE !(__VERIFIER_nondet_int()) [L2737] COND FALSE !(__VERIFIER_nondet_int()) [L2753] COND FALSE !(__VERIFIER_nondet_int()) [L2769] COND FALSE !(__VERIFIER_nondet_int()) [L2785] COND FALSE !(__VERIFIER_nondet_int()) [L2801] COND FALSE !(__VERIFIER_nondet_int()) [L2817] COND FALSE !(__VERIFIER_nondet_int()) [L2833] COND FALSE !(__VERIFIER_nondet_int()) [L2849] COND FALSE !(__VERIFIER_nondet_int()) [L2865] COND FALSE !(__VERIFIER_nondet_int()) [L2881] COND FALSE !(__VERIFIER_nondet_int()) [L2897] COND FALSE !(__VERIFIER_nondet_int()) [L2913] COND FALSE !(__VERIFIER_nondet_int()) [L2929] COND FALSE !(__VERIFIER_nondet_int()) [L2945] COND FALSE !(__VERIFIER_nondet_int()) [L2961] COND FALSE !(__VERIFIER_nondet_int()) [L2977] COND FALSE !(__VERIFIER_nondet_int()) [L2993] COND FALSE !(__VERIFIER_nondet_int()) [L3009] COND FALSE !(__VERIFIER_nondet_int()) [L3025] COND FALSE !(__VERIFIER_nondet_int()) [L3041] COND FALSE !(__VERIFIER_nondet_int()) [L3057] COND FALSE !(__VERIFIER_nondet_int()) [L3073] COND FALSE !(__VERIFIER_nondet_int()) [L3089] COND FALSE !(__VERIFIER_nondet_int()) [L3105] COND FALSE !(__VERIFIER_nondet_int()) [L3121] COND FALSE !(__VERIFIER_nondet_int()) [L3137] COND FALSE !(__VERIFIER_nondet_int()) [L3153] COND FALSE !(__VERIFIER_nondet_int()) [L3169] COND FALSE !(__VERIFIER_nondet_int()) [L3185] COND FALSE !(__VERIFIER_nondet_int()) [L3201] COND FALSE !(__VERIFIER_nondet_int()) [L3217] COND FALSE !(__VERIFIER_nondet_int()) [L3233] COND FALSE !(__VERIFIER_nondet_int()) [L3249] COND FALSE !(__VERIFIER_nondet_int()) [L3265] COND FALSE !(__VERIFIER_nondet_int()) [L3281] COND FALSE !(__VERIFIER_nondet_int()) [L3297] COND FALSE !(__VERIFIER_nondet_int()) [L3313] COND FALSE !(__VERIFIER_nondet_int()) [L3329] COND FALSE !(__VERIFIER_nondet_int()) [L3345] COND FALSE !(__VERIFIER_nondet_int()) [L3361] COND FALSE !(__VERIFIER_nondet_int()) [L3377] COND FALSE !(__VERIFIER_nondet_int()) [L3393] COND FALSE !(__VERIFIER_nondet_int()) [L3409] COND FALSE !(__VERIFIER_nondet_int()) [L3425] COND FALSE !(__VERIFIER_nondet_int()) [L3441] COND FALSE !(__VERIFIER_nondet_int()) [L3457] COND FALSE !(__VERIFIER_nondet_int()) [L3473] COND FALSE !(__VERIFIER_nondet_int()) [L3489] COND FALSE !(__VERIFIER_nondet_int()) [L3505] COND FALSE !(__VERIFIER_nondet_int()) [L3521] COND FALSE !(__VERIFIER_nondet_int()) [L3537] COND FALSE !(__VERIFIER_nondet_int()) [L3553] COND FALSE !(__VERIFIER_nondet_int()) [L3569] COND FALSE !(__VERIFIER_nondet_int()) [L3585] COND FALSE !(__VERIFIER_nondet_int()) [L3601] COND FALSE !(__VERIFIER_nondet_int()) [L3617] COND FALSE !(__VERIFIER_nondet_int()) [L3633] COND FALSE !(__VERIFIER_nondet_int()) [L3649] COND FALSE !(__VERIFIER_nondet_int()) [L3665] COND FALSE !(__VERIFIER_nondet_int()) [L3681] COND FALSE !(__VERIFIER_nondet_int()) [L3697] COND FALSE !(__VERIFIER_nondet_int()) [L3713] COND FALSE !(__VERIFIER_nondet_int()) [L3729] COND FALSE !(__VERIFIER_nondet_int()) [L3745] COND FALSE !(__VERIFIER_nondet_int()) [L3761] COND FALSE !(__VERIFIER_nondet_int()) [L3777] COND FALSE !(__VERIFIER_nondet_int()) [L3793] COND FALSE !(__VERIFIER_nondet_int()) [L3809] COND FALSE !(__VERIFIER_nondet_int()) [L3825] COND FALSE !(__VERIFIER_nondet_int()) [L3841] COND FALSE !(__VERIFIER_nondet_int()) [L3857] COND FALSE !(__VERIFIER_nondet_int()) [L3873] COND FALSE !(__VERIFIER_nondet_int()) [L3889] COND FALSE !(__VERIFIER_nondet_int()) [L3905] COND FALSE !(__VERIFIER_nondet_int()) [L3921] COND FALSE !(__VERIFIER_nondet_int()) [L3937] COND FALSE !(__VERIFIER_nondet_int()) [L3953] COND FALSE !(__VERIFIER_nondet_int()) [L3969] COND FALSE !(__VERIFIER_nondet_int()) [L3985] COND FALSE !(__VERIFIER_nondet_int()) [L4001] COND FALSE !(__VERIFIER_nondet_int()) [L4017] COND FALSE !(__VERIFIER_nondet_int()) [L4033] COND FALSE !(__VERIFIER_nondet_int()) [L4049] COND FALSE !(__VERIFIER_nondet_int()) [L4065] COND FALSE !(__VERIFIER_nondet_int()) [L4081] COND FALSE !(__VERIFIER_nondet_int()) [L4097] COND FALSE !(__VERIFIER_nondet_int()) [L4113] COND FALSE !(__VERIFIER_nondet_int()) [L4129] COND FALSE !(__VERIFIER_nondet_int()) [L4145] COND FALSE !(__VERIFIER_nondet_int()) [L4161] COND FALSE !(__VERIFIER_nondet_int()) [L4177] COND FALSE !(__VERIFIER_nondet_int()) [L4193] COND FALSE !(__VERIFIER_nondet_int()) [L4209] COND FALSE !(__VERIFIER_nondet_int()) [L4225] COND FALSE !(__VERIFIER_nondet_int()) [L4241] COND FALSE !(__VERIFIER_nondet_int()) [L4257] COND FALSE !(__VERIFIER_nondet_int()) [L4273] COND FALSE !(__VERIFIER_nondet_int()) [L4289] COND FALSE !(__VERIFIER_nondet_int()) [L4305] COND FALSE !(__VERIFIER_nondet_int()) [L4321] COND FALSE !(__VERIFIER_nondet_int()) [L4337] COND FALSE !(__VERIFIER_nondet_int()) [L4353] COND FALSE !(__VERIFIER_nondet_int()) [L4369] COND FALSE !(__VERIFIER_nondet_int()) [L4385] COND FALSE !(__VERIFIER_nondet_int()) [L4401] COND FALSE !(__VERIFIER_nondet_int()) [L4417] COND FALSE !(__VERIFIER_nondet_int()) [L4433] COND FALSE !(__VERIFIER_nondet_int()) [L4449] COND FALSE !(__VERIFIER_nondet_int()) [L4465] COND FALSE !(__VERIFIER_nondet_int()) [L4481] COND FALSE !(__VERIFIER_nondet_int()) [L4497] COND FALSE !(__VERIFIER_nondet_int()) [L4513] COND FALSE !(__VERIFIER_nondet_int()) [L4529] COND TRUE __VERIFIER_nondet_int() [L4533] method_id = 18 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=0, P2=1, P3=0, P4=0, P5=0, q=2, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=1, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L4535] COND FALSE !(0) [L4539] q = 4 [L4541] this_spacecraft_cLSAM_ASCENT=this_spacecraft_cLSAM_ASCENT [L4541] this_spacecraft_cCM=this_spacecraft_cCM [L4541] this_spacecraft_cSM=this_spacecraft_cSM [L4541] this_spacecraft_cLSAM_DESCENT=this_spacecraft_cLSAM_DESCENT [L4541] this_spacecraft_cEDS=this_spacecraft_cEDS [L4541] this_spacecraft_cLAS=0 [L4541] this_spacecraft_cStage2=this_spacecraft_cStage2 [L4541] this_spacecraft_cStage1=this_spacecraft_cStage1 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=0, P2=1, P3=0, P4=0, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND FALSE !(q == 0) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=1, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L76] COND FALSE !(q == 1) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=1, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L176] COND FALSE !(q == 2) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=1, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L4596] COND FALSE !(q == 3) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=18, P1=1, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L9016] COND TRUE q == 4 [L9017] COND FALSE !(__VERIFIER_nondet_int()) [L9033] COND FALSE !(__VERIFIER_nondet_int()) [L9049] COND FALSE !(__VERIFIER_nondet_int()) [L9065] COND FALSE !(__VERIFIER_nondet_int()) [L9081] COND FALSE !(__VERIFIER_nondet_int()) [L9097] COND FALSE !(__VERIFIER_nondet_int()) [L9113] COND FALSE !(__VERIFIER_nondet_int()) [L9129] COND FALSE !(__VERIFIER_nondet_int()) [L9145] COND FALSE !(__VERIFIER_nondet_int()) [L9161] COND FALSE !(__VERIFIER_nondet_int()) [L9177] COND FALSE !(__VERIFIER_nondet_int()) [L9193] COND FALSE !(__VERIFIER_nondet_int()) [L9209] COND FALSE !(__VERIFIER_nondet_int()) [L9225] COND FALSE !(__VERIFIER_nondet_int()) [L9241] COND FALSE !(__VERIFIER_nondet_int()) [L9257] COND FALSE !(__VERIFIER_nondet_int()) [L9273] COND FALSE !(__VERIFIER_nondet_int()) [L9289] COND FALSE !(__VERIFIER_nondet_int()) [L9305] COND FALSE !(__VERIFIER_nondet_int()) [L9321] COND FALSE !(__VERIFIER_nondet_int()) [L9337] COND FALSE !(__VERIFIER_nondet_int()) [L9353] COND FALSE !(__VERIFIER_nondet_int()) [L9369] COND FALSE !(__VERIFIER_nondet_int()) [L9385] COND FALSE !(__VERIFIER_nondet_int()) [L9401] COND FALSE !(__VERIFIER_nondet_int()) [L9417] COND FALSE !(__VERIFIER_nondet_int()) [L9433] COND FALSE !(__VERIFIER_nondet_int()) [L9449] COND FALSE !(__VERIFIER_nondet_int()) [L9465] COND FALSE !(__VERIFIER_nondet_int()) [L9481] COND FALSE !(__VERIFIER_nondet_int()) [L9497] COND FALSE !(__VERIFIER_nondet_int()) [L9513] COND FALSE !(__VERIFIER_nondet_int()) [L9529] COND FALSE !(__VERIFIER_nondet_int()) [L9545] COND FALSE !(__VERIFIER_nondet_int()) [L9561] COND FALSE !(__VERIFIER_nondet_int()) [L9577] COND FALSE !(__VERIFIER_nondet_int()) [L9593] COND FALSE !(__VERIFIER_nondet_int()) [L9609] COND FALSE !(__VERIFIER_nondet_int()) [L9625] COND FALSE !(__VERIFIER_nondet_int()) [L9641] COND FALSE !(__VERIFIER_nondet_int()) [L9657] COND FALSE !(__VERIFIER_nondet_int()) [L9673] COND FALSE !(__VERIFIER_nondet_int()) [L9689] COND FALSE !(__VERIFIER_nondet_int()) [L9705] COND FALSE !(__VERIFIER_nondet_int()) [L9721] COND FALSE !(__VERIFIER_nondet_int()) [L9737] COND FALSE !(__VERIFIER_nondet_int()) [L9753] COND FALSE !(__VERIFIER_nondet_int()) [L9769] COND FALSE !(__VERIFIER_nondet_int()) [L9785] COND FALSE !(__VERIFIER_nondet_int()) [L9801] COND FALSE !(__VERIFIER_nondet_int()) [L9817] COND FALSE !(__VERIFIER_nondet_int()) [L9833] COND FALSE !(__VERIFIER_nondet_int()) [L9849] COND FALSE !(__VERIFIER_nondet_int()) [L9865] COND FALSE !(__VERIFIER_nondet_int()) [L9881] COND FALSE !(__VERIFIER_nondet_int()) [L9897] COND FALSE !(__VERIFIER_nondet_int()) [L9913] COND FALSE !(__VERIFIER_nondet_int()) [L9929] COND FALSE !(__VERIFIER_nondet_int()) [L9945] COND FALSE !(__VERIFIER_nondet_int()) [L9961] COND FALSE !(__VERIFIER_nondet_int()) [L9977] COND FALSE !(__VERIFIER_nondet_int()) [L9993] COND FALSE !(__VERIFIER_nondet_int()) [L10009] COND FALSE !(__VERIFIER_nondet_int()) [L10025] COND FALSE !(__VERIFIER_nondet_int()) [L10041] COND FALSE !(__VERIFIER_nondet_int()) [L10057] COND FALSE !(__VERIFIER_nondet_int()) [L10073] COND FALSE !(__VERIFIER_nondet_int()) [L10089] COND FALSE !(__VERIFIER_nondet_int()) [L10105] COND FALSE !(__VERIFIER_nondet_int()) [L10121] COND FALSE !(__VERIFIER_nondet_int()) [L10137] COND FALSE !(__VERIFIER_nondet_int()) [L10153] COND FALSE !(__VERIFIER_nondet_int()) [L10169] COND FALSE !(__VERIFIER_nondet_int()) [L10185] COND FALSE !(__VERIFIER_nondet_int()) [L10201] COND FALSE !(__VERIFIER_nondet_int()) [L10217] COND FALSE !(__VERIFIER_nondet_int()) [L10233] COND FALSE !(__VERIFIER_nondet_int()) [L10249] COND FALSE !(__VERIFIER_nondet_int()) [L10265] COND FALSE !(__VERIFIER_nondet_int()) [L10281] COND FALSE !(__VERIFIER_nondet_int()) [L10297] COND FALSE !(__VERIFIER_nondet_int()) [L10313] COND FALSE !(__VERIFIER_nondet_int()) [L10329] COND FALSE !(__VERIFIER_nondet_int()) [L10345] COND FALSE !(__VERIFIER_nondet_int()) [L10361] COND FALSE !(__VERIFIER_nondet_int()) [L10377] COND FALSE !(__VERIFIER_nondet_int()) [L10393] COND FALSE !(__VERIFIER_nondet_int()) [L10409] COND FALSE !(__VERIFIER_nondet_int()) [L10425] COND FALSE !(__VERIFIER_nondet_int()) [L10441] COND FALSE !(__VERIFIER_nondet_int()) [L10457] COND FALSE !(__VERIFIER_nondet_int()) [L10473] COND FALSE !(__VERIFIER_nondet_int()) [L10489] COND FALSE !(__VERIFIER_nondet_int()) [L10505] COND FALSE !(__VERIFIER_nondet_int()) [L10521] COND FALSE !(__VERIFIER_nondet_int()) [L10537] COND FALSE !(__VERIFIER_nondet_int()) [L10553] COND FALSE !(__VERIFIER_nondet_int()) [L10569] COND FALSE !(__VERIFIER_nondet_int()) [L10585] COND FALSE !(__VERIFIER_nondet_int()) [L10601] COND FALSE !(__VERIFIER_nondet_int()) [L10617] COND FALSE !(__VERIFIER_nondet_int()) [L10633] COND FALSE !(__VERIFIER_nondet_int()) [L10649] COND FALSE !(__VERIFIER_nondet_int()) [L10665] COND FALSE !(__VERIFIER_nondet_int()) [L10681] COND FALSE !(__VERIFIER_nondet_int()) [L10697] COND FALSE !(__VERIFIER_nondet_int()) [L10713] COND FALSE !(__VERIFIER_nondet_int()) [L10729] COND FALSE !(__VERIFIER_nondet_int()) [L10745] COND FALSE !(__VERIFIER_nondet_int()) [L10761] COND FALSE !(__VERIFIER_nondet_int()) [L10777] COND FALSE !(__VERIFIER_nondet_int()) [L10793] COND FALSE !(__VERIFIER_nondet_int()) [L10809] COND FALSE !(__VERIFIER_nondet_int()) [L10825] COND FALSE !(__VERIFIER_nondet_int()) [L10841] COND FALSE !(__VERIFIER_nondet_int()) [L10857] COND FALSE !(__VERIFIER_nondet_int()) [L10873] COND FALSE !(__VERIFIER_nondet_int()) [L10889] COND FALSE !(__VERIFIER_nondet_int()) [L10905] COND FALSE !(__VERIFIER_nondet_int()) [L10921] COND FALSE !(__VERIFIER_nondet_int()) [L10937] COND FALSE !(__VERIFIER_nondet_int()) [L10953] COND FALSE !(__VERIFIER_nondet_int()) [L10969] COND FALSE !(__VERIFIER_nondet_int()) [L10985] COND FALSE !(__VERIFIER_nondet_int()) [L11001] COND FALSE !(__VERIFIER_nondet_int()) [L11017] COND FALSE !(__VERIFIER_nondet_int()) [L11033] COND FALSE !(__VERIFIER_nondet_int()) [L11049] COND FALSE !(__VERIFIER_nondet_int()) [L11065] COND FALSE !(__VERIFIER_nondet_int()) [L11081] COND FALSE !(__VERIFIER_nondet_int()) [L11097] COND FALSE !(__VERIFIER_nondet_int()) [L11113] COND FALSE !(__VERIFIER_nondet_int()) [L11129] COND FALSE !(__VERIFIER_nondet_int()) [L11145] COND FALSE !(__VERIFIER_nondet_int()) [L11161] COND FALSE !(__VERIFIER_nondet_int()) [L11177] COND FALSE !(__VERIFIER_nondet_int()) [L11193] COND FALSE !(__VERIFIER_nondet_int()) [L11209] COND FALSE !(__VERIFIER_nondet_int()) [L11225] COND FALSE !(__VERIFIER_nondet_int()) [L11241] COND FALSE !(__VERIFIER_nondet_int()) [L11257] COND FALSE !(__VERIFIER_nondet_int()) [L11273] COND FALSE !(__VERIFIER_nondet_int()) [L11289] COND FALSE !(__VERIFIER_nondet_int()) [L11305] COND FALSE !(__VERIFIER_nondet_int()) [L11321] COND FALSE !(__VERIFIER_nondet_int()) [L11337] COND FALSE !(__VERIFIER_nondet_int()) [L11353] COND FALSE !(__VERIFIER_nondet_int()) [L11369] COND FALSE !(__VERIFIER_nondet_int()) [L11385] COND FALSE !(__VERIFIER_nondet_int()) [L11401] COND FALSE !(__VERIFIER_nondet_int()) [L11417] COND FALSE !(__VERIFIER_nondet_int()) [L11433] COND FALSE !(__VERIFIER_nondet_int()) [L11449] COND FALSE !(__VERIFIER_nondet_int()) [L11465] COND FALSE !(__VERIFIER_nondet_int()) [L11481] COND FALSE !(__VERIFIER_nondet_int()) [L11497] COND FALSE !(__VERIFIER_nondet_int()) [L11513] COND FALSE !(__VERIFIER_nondet_int()) [L11529] COND FALSE !(__VERIFIER_nondet_int()) [L11545] COND FALSE !(__VERIFIER_nondet_int()) [L11561] COND FALSE !(__VERIFIER_nondet_int()) [L11577] COND FALSE !(__VERIFIER_nondet_int()) [L11593] COND FALSE !(__VERIFIER_nondet_int()) [L11609] COND FALSE !(__VERIFIER_nondet_int()) [L11625] COND FALSE !(__VERIFIER_nondet_int()) [L11641] COND FALSE !(__VERIFIER_nondet_int()) [L11657] COND FALSE !(__VERIFIER_nondet_int()) [L11673] COND FALSE !(__VERIFIER_nondet_int()) [L11689] COND FALSE !(__VERIFIER_nondet_int()) [L11705] COND FALSE !(__VERIFIER_nondet_int()) [L11721] COND FALSE !(__VERIFIER_nondet_int()) [L11737] COND FALSE !(__VERIFIER_nondet_int()) [L11753] COND FALSE !(__VERIFIER_nondet_int()) [L11769] COND FALSE !(__VERIFIER_nondet_int()) [L11785] COND FALSE !(__VERIFIER_nondet_int()) [L11801] COND FALSE !(__VERIFIER_nondet_int()) [L11817] COND FALSE !(__VERIFIER_nondet_int()) [L11833] COND FALSE !(__VERIFIER_nondet_int()) [L11849] COND FALSE !(__VERIFIER_nondet_int()) [L11865] COND FALSE !(__VERIFIER_nondet_int()) [L11881] COND FALSE !(__VERIFIER_nondet_int()) [L11897] COND FALSE !(__VERIFIER_nondet_int()) [L11913] COND FALSE !(__VERIFIER_nondet_int()) [L11929] COND FALSE !(__VERIFIER_nondet_int()) [L11945] COND FALSE !(__VERIFIER_nondet_int()) [L11961] COND FALSE !(__VERIFIER_nondet_int()) [L11977] COND FALSE !(__VERIFIER_nondet_int()) [L11993] COND FALSE !(__VERIFIER_nondet_int()) [L12009] COND FALSE !(__VERIFIER_nondet_int()) [L12025] COND FALSE !(__VERIFIER_nondet_int()) [L12041] COND FALSE !(__VERIFIER_nondet_int()) [L12057] COND FALSE !(__VERIFIER_nondet_int()) [L12073] COND FALSE !(__VERIFIER_nondet_int()) [L12089] COND FALSE !(__VERIFIER_nondet_int()) [L12105] COND FALSE !(__VERIFIER_nondet_int()) [L12121] COND FALSE !(__VERIFIER_nondet_int()) [L12137] COND FALSE !(__VERIFIER_nondet_int()) [L12153] COND FALSE !(__VERIFIER_nondet_int()) [L12169] COND FALSE !(__VERIFIER_nondet_int()) [L12185] COND FALSE !(__VERIFIER_nondet_int()) [L12201] COND FALSE !(__VERIFIER_nondet_int()) [L12217] COND FALSE !(__VERIFIER_nondet_int()) [L12233] COND FALSE !(__VERIFIER_nondet_int()) [L12249] COND FALSE !(__VERIFIER_nondet_int()) [L12265] COND FALSE !(__VERIFIER_nondet_int()) [L12281] COND FALSE !(__VERIFIER_nondet_int()) [L12297] COND FALSE !(__VERIFIER_nondet_int()) [L12313] COND FALSE !(__VERIFIER_nondet_int()) [L12329] COND FALSE !(__VERIFIER_nondet_int()) [L12345] COND FALSE !(__VERIFIER_nondet_int()) [L12361] COND FALSE !(__VERIFIER_nondet_int()) [L12377] COND FALSE !(__VERIFIER_nondet_int()) [L12393] COND FALSE !(__VERIFIER_nondet_int()) [L12409] COND FALSE !(__VERIFIER_nondet_int()) [L12425] COND FALSE !(__VERIFIER_nondet_int()) [L12441] COND FALSE !(__VERIFIER_nondet_int()) [L12457] COND FALSE !(__VERIFIER_nondet_int()) [L12473] COND FALSE !(__VERIFIER_nondet_int()) [L12489] COND FALSE !(__VERIFIER_nondet_int()) [L12505] COND FALSE !(__VERIFIER_nondet_int()) [L12521] COND FALSE !(__VERIFIER_nondet_int()) [L12537] COND FALSE !(__VERIFIER_nondet_int()) [L12553] COND FALSE !(__VERIFIER_nondet_int()) [L12569] COND FALSE !(__VERIFIER_nondet_int()) [L12585] COND FALSE !(__VERIFIER_nondet_int()) [L12601] COND FALSE !(__VERIFIER_nondet_int()) [L12617] COND FALSE !(__VERIFIER_nondet_int()) [L12633] COND FALSE !(__VERIFIER_nondet_int()) [L12649] COND FALSE !(__VERIFIER_nondet_int()) [L12665] COND FALSE !(__VERIFIER_nondet_int()) [L12681] COND FALSE !(__VERIFIER_nondet_int()) [L12697] COND FALSE !(__VERIFIER_nondet_int()) [L12713] COND FALSE !(__VERIFIER_nondet_int()) [L12729] COND FALSE !(__VERIFIER_nondet_int()) [L12745] COND FALSE !(__VERIFIER_nondet_int()) [L12761] COND FALSE !(__VERIFIER_nondet_int()) [L12777] COND FALSE !(__VERIFIER_nondet_int()) [L12793] COND FALSE !(__VERIFIER_nondet_int()) [L12809] COND FALSE !(__VERIFIER_nondet_int()) [L12825] COND FALSE !(__VERIFIER_nondet_int()) [L12841] COND FALSE !(__VERIFIER_nondet_int()) [L12857] COND FALSE !(__VERIFIER_nondet_int()) [L12873] COND FALSE !(__VERIFIER_nondet_int()) [L12889] COND FALSE !(__VERIFIER_nondet_int()) [L12905] COND FALSE !(__VERIFIER_nondet_int()) [L12921] COND FALSE !(__VERIFIER_nondet_int()) [L12937] COND FALSE !(__VERIFIER_nondet_int()) [L12953] COND FALSE !(__VERIFIER_nondet_int()) [L12969] COND FALSE !(__VERIFIER_nondet_int()) [L12985] COND FALSE !(__VERIFIER_nondet_int()) [L13001] COND FALSE !(__VERIFIER_nondet_int()) [L13017] COND FALSE !(__VERIFIER_nondet_int()) [L13033] COND FALSE !(__VERIFIER_nondet_int()) [L13049] COND FALSE !(__VERIFIER_nondet_int()) [L13065] COND FALSE !(__VERIFIER_nondet_int()) [L13081] COND FALSE !(__VERIFIER_nondet_int()) [L13097] COND FALSE !(__VERIFIER_nondet_int()) [L13113] COND FALSE !(__VERIFIER_nondet_int()) [L13129] COND FALSE !(__VERIFIER_nondet_int()) [L13145] COND FALSE !(__VERIFIER_nondet_int()) [L13161] COND FALSE !(__VERIFIER_nondet_int()) [L13177] COND FALSE !(__VERIFIER_nondet_int()) [L13193] COND FALSE !(__VERIFIER_nondet_int()) [L13209] COND FALSE !(__VERIFIER_nondet_int()) [L13225] COND FALSE !(__VERIFIER_nondet_int()) [L13241] COND FALSE !(__VERIFIER_nondet_int()) [L13257] COND FALSE !(__VERIFIER_nondet_int()) [L13273] COND FALSE !(__VERIFIER_nondet_int()) [L13289] COND FALSE !(__VERIFIER_nondet_int()) [L13305] COND FALSE !(__VERIFIER_nondet_int()) [L13321] COND FALSE !(__VERIFIER_nondet_int()) [L13337] COND FALSE !(__VERIFIER_nondet_int()) [L13353] COND FALSE !(__VERIFIER_nondet_int()) [L13369] COND FALSE !(__VERIFIER_nondet_int()) [L13385] COND FALSE !(__VERIFIER_nondet_int()) [L13401] COND FALSE !(__VERIFIER_nondet_int()) [L13417] COND TRUE __VERIFIER_nondet_int() [L13421] method_id = 21 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=21, P1=1, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L13423] COND TRUE (!this_spacecraft_cEDS && (!this_spacecraft_cLSAM_ASCENT && (!this_spacecraft_cSM && !this_spacecraft_cLAS))) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3, method_id=21, P1=1, P2=1, P3=0, P4=1, P5=0, q=4, this_spacecraft_cCM=1, this_spacecraft_cEDS=0, this_spacecraft_cLAS=0, this_spacecraft_cLSAM_ASCENT=0, this_spacecraft_cLSAM_DESCENT=0, this_spacecraft_cSM=0, this_spacecraft_cStage1=1, this_spacecraft_cStage2=1] [L39962] 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, 7492 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.1s, OverallIterations: 20, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71040 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71040 mSDsluCounter, 281492 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 119158 mSDsCounter, 1324 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3683 IncrementalHoareTripleChecker+Invalid, 5007 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1324 mSolverCounterUnsat, 162334 mSDtfsCounter, 3683 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38343occurred in iteration=19, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 622 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 20.6s InterpolantComputationTime, 5408 NumberOfCodeBlocks, 5408 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4804 ConstructedInterpolants, 0 QuantifiedInterpolants, 13763 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 270/270 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 14:26:09,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a22ea045-3aba-486b-a9d0-c9d5c318069c/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