./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ec0927a1a3612f4d3fffb2cae697cb038c389516c9ba9c75ed5cb2ea2188015 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:45:17,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:45:17,273 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:45:17,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:45:17,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:45:17,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:45:17,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:45:17,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:45:17,300 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:45:17,300 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:45:17,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:45:17,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:45:17,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:45:17,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:45:17,301 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:45:17,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:45:17,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:45:17,301 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:45:17,302 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:45:17,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:45:17,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:45:17,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:45:17,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:45:17,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:45:17,302 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:45:17,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:45:17,302 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:45:17,302 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:45:17,302 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:45:17,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:45:17,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:45:17,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:45:17,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:45:17,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:45:17,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:45:17,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:45:17,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:45:17,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:45:17,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:45:17,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:45:17,303 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:45:17,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:45:17,304 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:45:17,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:45:17,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:45:17,304 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:45:17,304 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:45:17,304 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:45:17,304 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ec0927a1a3612f4d3fffb2cae697cb038c389516c9ba9c75ed5cb2ea2188015 [2024-12-02 06:45:17,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:45:17,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:45:17,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:45:17,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:45:17,552 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:45:17,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-12-02 06:45:20,182 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1/data/a603d7a11/94b7f0902e9f4cff973575fe69780250/FLAG3d4a1fc29 [2024-12-02 06:45:20,559 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:45:20,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-12-02 06:45:20,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1/data/a603d7a11/94b7f0902e9f4cff973575fe69780250/FLAG3d4a1fc29 [2024-12-02 06:45:20,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1/data/a603d7a11/94b7f0902e9f4cff973575fe69780250 [2024-12-02 06:45:20,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:45:20,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:45:20,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:45:20,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:45:20,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:45:20,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:45:20" (1/1) ... [2024-12-02 06:45:20,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b329050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:20, skipping insertion in model container [2024-12-02 06:45:20,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:45:20" (1/1) ... [2024-12-02 06:45:20,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:45:21,124 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[31684,31697] [2024-12-02 06:45:21,139 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[32574,32587] [2024-12-02 06:45:21,161 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[34233,34246] [2024-12-02 06:45:21,180 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[35591,35604] [2024-12-02 06:45:21,314 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[48686,48699] [2024-12-02 06:45:21,445 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[57414,57427] [2024-12-02 06:45:21,461 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[58307,58320] [2024-12-02 06:45:21,491 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[59969,59982] [2024-12-02 06:45:21,507 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[60862,60875] [2024-12-02 06:45:21,548 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[63293,63306] [2024-12-02 06:45:21,568 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[64186,64199] [2024-12-02 06:45:21,595 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[65848,65861] [2024-12-02 06:45:21,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:45:21,667 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:45:21,922 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[31684,31697] [2024-12-02 06:45:21,939 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[32574,32587] [2024-12-02 06:45:21,963 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[34233,34246] [2024-12-02 06:45:21,983 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[35591,35604] [2024-12-02 06:45:22,106 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[48686,48699] [2024-12-02 06:45:22,205 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[57414,57427] [2024-12-02 06:45:22,215 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[58307,58320] [2024-12-02 06:45:22,233 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[59969,59982] [2024-12-02 06:45:22,244 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[60862,60875] [2024-12-02 06:45:22,272 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[63293,63306] [2024-12-02 06:45:22,283 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[64186,64199] [2024-12-02 06:45:22,305 WARN L250 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_9be2a50b-42c9-49a9-995f-26b7bbc019e8/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[65848,65861] [2024-12-02 06:45:22,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:45:22,385 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:45:22,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22 WrapperNode [2024-12-02 06:45:22,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:45:22,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:45:22,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:45:22,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:45:22,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22" (1/1) ... [2024-12-02 06:45:22,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22" (1/1) ... [2024-12-02 06:45:22,484 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3957 [2024-12-02 06:45:22,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:45:22,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:45:22,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:45:22,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:45:22,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22" (1/1) ... [2024-12-02 06:45:22,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22" (1/1) ... [2024-12-02 06:45:22,507 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22" (1/1) ... [2024-12-02 06:45:22,535 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 06:45:22,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22" (1/1) ... [2024-12-02 06:45:22,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22" (1/1) ... [2024-12-02 06:45:22,563 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22" (1/1) ... [2024-12-02 06:45:22,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22" (1/1) ... [2024-12-02 06:45:22,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22" (1/1) ... [2024-12-02 06:45:22,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22" (1/1) ... [2024-12-02 06:45:22,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22" (1/1) ... [2024-12-02 06:45:22,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:45:22,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:45:22,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:45:22,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:45:22,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22" (1/1) ... [2024-12-02 06:45:22,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:45:22,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:45:22,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:45:22,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be2a50b-42c9-49a9-995f-26b7bbc019e8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:45:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:45:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:45:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:45:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:45:22,837 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:45:22,839 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:45:25,732 INFO L? ?]: Removed 257 outVars from TransFormulas that were not future-live. [2024-12-02 06:45:25,732 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:45:25,760 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:45:25,760 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 06:45:25,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:45:25 BoogieIcfgContainer [2024-12-02 06:45:25,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:45:25,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:45:25,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:45:25,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:45:25,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:45:20" (1/3) ... [2024-12-02 06:45:25,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20814338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:45:25, skipping insertion in model container [2024-12-02 06:45:25,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:45:22" (2/3) ... [2024-12-02 06:45:25,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20814338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:45:25, skipping insertion in model container [2024-12-02 06:45:25,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:45:25" (3/3) ... [2024-12-02 06:45:25,770 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-12-02 06:45:25,786 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:45:25,788 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c that has 1 procedures, 905 locations, 1 initial locations, 0 loop locations, and 12 error locations. [2024-12-02 06:45:25,865 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:45:25,877 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3252e4bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:45:25,877 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-12-02 06:45:25,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 905 states, 892 states have (on average 1.8307174887892377) internal successors, (1633), 904 states have internal predecessors, (1633), 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) [2024-12-02 06:45:25,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-12-02 06:45:25,902 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:25,903 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:25,903 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:25,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:25,909 INFO L85 PathProgramCache]: Analyzing trace with hash -956279315, now seen corresponding path program 1 times [2024-12-02 06:45:25,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:25,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637298543] [2024-12-02 06:45:25,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:25,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:26,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:26,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637298543] [2024-12-02 06:45:26,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637298543] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:26,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:26,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:45:26,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928345921] [2024-12-02 06:45:26,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:26,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:45:26,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:26,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:45:26,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:45:26,780 INFO L87 Difference]: Start difference. First operand has 905 states, 892 states have (on average 1.8307174887892377) internal successors, (1633), 904 states have internal predecessors, (1633), 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 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) [2024-12-02 06:45:27,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:27,091 INFO L93 Difference]: Finished difference Result 1560 states and 2794 transitions. [2024-12-02 06:45:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:45:27,094 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 298 [2024-12-02 06:45:27,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:27,111 INFO L225 Difference]: With dead ends: 1560 [2024-12-02 06:45:27,111 INFO L226 Difference]: Without dead ends: 1306 [2024-12-02 06:45:27,115 INFO L434 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 [2024-12-02 06:45:27,118 INFO L435 NwaCegarLoop]: 1771 mSDtfsCounter, 857 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 2955 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:27,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 2955 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:45:27,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2024-12-02 06:45:27,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1304. [2024-12-02 06:45:27,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1304 states, 1292 states have (on average 1.5472136222910218) internal successors, (1999), 1303 states have internal predecessors, (1999), 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) [2024-12-02 06:45:27,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1999 transitions. [2024-12-02 06:45:27,199 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1999 transitions. Word has length 298 [2024-12-02 06:45:27,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:27,200 INFO L471 AbstractCegarLoop]: Abstraction has 1304 states and 1999 transitions. [2024-12-02 06:45:27,201 INFO L472 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) [2024-12-02 06:45:27,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1999 transitions. [2024-12-02 06:45:27,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-12-02 06:45:27,206 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:27,207 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:27,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:45:27,207 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:27,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:27,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1196691478, now seen corresponding path program 1 times [2024-12-02 06:45:27,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:27,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050707186] [2024-12-02 06:45:27,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:27,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:27,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:27,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050707186] [2024-12-02 06:45:27,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050707186] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:27,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:27,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:45:27,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781969345] [2024-12-02 06:45:27,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:27,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:45:27,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:27,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:45:27,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:45:27,620 INFO L87 Difference]: Start difference. First operand 1304 states and 1999 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) [2024-12-02 06:45:27,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:27,813 INFO L93 Difference]: Finished difference Result 2483 states and 3850 transitions. [2024-12-02 06:45:27,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:45:27,813 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 298 [2024-12-02 06:45:27,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:27,821 INFO L225 Difference]: With dead ends: 2483 [2024-12-02 06:45:27,821 INFO L226 Difference]: Without dead ends: 2130 [2024-12-02 06:45:27,823 INFO L434 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 [2024-12-02 06:45:27,824 INFO L435 NwaCegarLoop]: 1510 mSDtfsCounter, 711 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 2532 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:27,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 2532 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:45:27,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2024-12-02 06:45:27,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 2128. [2024-12-02 06:45:27,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 2116 states have (on average 1.54820415879017) internal successors, (3276), 2127 states have internal predecessors, (3276), 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) [2024-12-02 06:45:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 3276 transitions. [2024-12-02 06:45:27,901 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 3276 transitions. Word has length 298 [2024-12-02 06:45:27,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:27,902 INFO L471 AbstractCegarLoop]: Abstraction has 2128 states and 3276 transitions. [2024-12-02 06:45:27,902 INFO L472 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) [2024-12-02 06:45:27,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3276 transitions. [2024-12-02 06:45:27,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-12-02 06:45:27,907 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:27,907 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:27,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:45:27,907 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:27,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:27,908 INFO L85 PathProgramCache]: Analyzing trace with hash 2120659590, now seen corresponding path program 1 times [2024-12-02 06:45:27,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:27,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132798930] [2024-12-02 06:45:27,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:27,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:28,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:28,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:28,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132798930] [2024-12-02 06:45:28,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132798930] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:28,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:28,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:45:28,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643498242] [2024-12-02 06:45:28,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:28,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:45:28,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:28,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:45:28,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:45:28,167 INFO L87 Difference]: Start difference. First operand 2128 states and 3276 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) [2024-12-02 06:45:28,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:28,422 INFO L93 Difference]: Finished difference Result 4387 states and 6841 transitions. [2024-12-02 06:45:28,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:45:28,423 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 298 [2024-12-02 06:45:28,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:28,431 INFO L225 Difference]: With dead ends: 4387 [2024-12-02 06:45:28,431 INFO L226 Difference]: Without dead ends: 3818 [2024-12-02 06:45:28,433 INFO L434 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 [2024-12-02 06:45:28,433 INFO L435 NwaCegarLoop]: 1482 mSDtfsCounter, 753 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 2523 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:28,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 2523 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:45:28,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2024-12-02 06:45:28,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 3816. [2024-12-02 06:45:28,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3816 states, 3804 states have (on average 1.5499474237644584) internal successors, (5896), 3815 states have internal predecessors, (5896), 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) [2024-12-02 06:45:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 3816 states and 5896 transitions. [2024-12-02 06:45:28,492 INFO L78 Accepts]: Start accepts. Automaton has 3816 states and 5896 transitions. Word has length 298 [2024-12-02 06:45:28,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:28,493 INFO L471 AbstractCegarLoop]: Abstraction has 3816 states and 5896 transitions. [2024-12-02 06:45:28,493 INFO L472 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) [2024-12-02 06:45:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 3816 states and 5896 transitions. [2024-12-02 06:45:28,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-12-02 06:45:28,498 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:28,498 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:28,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:45:28,498 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:28,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:28,499 INFO L85 PathProgramCache]: Analyzing trace with hash 2120228614, now seen corresponding path program 1 times [2024-12-02 06:45:28,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:28,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308678427] [2024-12-02 06:45:28,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:28,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:29,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:29,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308678427] [2024-12-02 06:45:29,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308678427] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:29,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:29,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:45:29,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038458136] [2024-12-02 06:45:29,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:29,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:45:29,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:29,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:45:29,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:45:29,524 INFO L87 Difference]: Start difference. First operand 3816 states and 5896 transitions. Second operand has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 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) [2024-12-02 06:45:29,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:29,863 INFO L93 Difference]: Finished difference Result 18752 states and 28937 transitions. [2024-12-02 06:45:29,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:45:29,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 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 298 [2024-12-02 06:45:29,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:29,911 INFO L225 Difference]: With dead ends: 18752 [2024-12-02 06:45:29,911 INFO L226 Difference]: Without dead ends: 14947 [2024-12-02 06:45:29,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:45:29,919 INFO L435 NwaCegarLoop]: 2358 mSDtfsCounter, 4135 mSDsluCounter, 3641 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4135 SdHoareTripleChecker+Valid, 5999 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:29,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4135 Valid, 5999 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:45:29,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14947 states. [2024-12-02 06:45:30,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14947 to 7312. [2024-12-02 06:45:30,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7312 states, 7300 states have (on average 1.5410958904109588) internal successors, (11250), 7311 states have internal predecessors, (11250), 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) [2024-12-02 06:45:30,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7312 states to 7312 states and 11250 transitions. [2024-12-02 06:45:30,171 INFO L78 Accepts]: Start accepts. Automaton has 7312 states and 11250 transitions. Word has length 298 [2024-12-02 06:45:30,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:30,171 INFO L471 AbstractCegarLoop]: Abstraction has 7312 states and 11250 transitions. [2024-12-02 06:45:30,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 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) [2024-12-02 06:45:30,172 INFO L276 IsEmpty]: Start isEmpty. Operand 7312 states and 11250 transitions. [2024-12-02 06:45:30,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-12-02 06:45:30,204 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:30,205 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:30,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:45:30,205 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:30,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:30,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1267338774, now seen corresponding path program 1 times [2024-12-02 06:45:30,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:30,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976486347] [2024-12-02 06:45:30,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:30,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:30,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:30,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976486347] [2024-12-02 06:45:30,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976486347] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:30,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:30,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:45:30,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217412815] [2024-12-02 06:45:30,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:30,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:45:30,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:30,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:45:30,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:45:30,422 INFO L87 Difference]: Start difference. First operand 7312 states and 11250 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2024-12-02 06:45:30,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:30,617 INFO L93 Difference]: Finished difference Result 21532 states and 33072 transitions. [2024-12-02 06:45:30,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:45:30,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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 [2024-12-02 06:45:30,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:30,654 INFO L225 Difference]: With dead ends: 21532 [2024-12-02 06:45:30,654 INFO L226 Difference]: Without dead ends: 14345 [2024-12-02 06:45:30,663 INFO L434 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 [2024-12-02 06:45:30,664 INFO L435 NwaCegarLoop]: 2622 mSDtfsCounter, 1236 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 3937 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:30,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1236 Valid, 3937 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:45:30,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14345 states. [2024-12-02 06:45:30,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14345 to 14169. [2024-12-02 06:45:30,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14169 states, 14157 states have (on average 1.5314685314685315) internal successors, (21681), 14168 states have internal predecessors, (21681), 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) [2024-12-02 06:45:31,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14169 states to 14169 states and 21681 transitions. [2024-12-02 06:45:31,046 INFO L78 Accepts]: Start accepts. Automaton has 14169 states and 21681 transitions. Word has length 300 [2024-12-02 06:45:31,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:31,046 INFO L471 AbstractCegarLoop]: Abstraction has 14169 states and 21681 transitions. [2024-12-02 06:45:31,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2024-12-02 06:45:31,047 INFO L276 IsEmpty]: Start isEmpty. Operand 14169 states and 21681 transitions. [2024-12-02 06:45:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-12-02 06:45:31,064 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:31,065 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:31,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:45:31,065 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:31,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:31,066 INFO L85 PathProgramCache]: Analyzing trace with hash 593349467, now seen corresponding path program 1 times [2024-12-02 06:45:31,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:31,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320826553] [2024-12-02 06:45:31,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:31,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:31,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:31,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320826553] [2024-12-02 06:45:31,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320826553] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:31,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:31,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:45:31,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967179995] [2024-12-02 06:45:31,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:31,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:45:31,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:31,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:45:31,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:45:31,220 INFO L87 Difference]: Start difference. First operand 14169 states and 21681 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2024-12-02 06:45:31,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:31,469 INFO L93 Difference]: Finished difference Result 42440 states and 64927 transitions. [2024-12-02 06:45:31,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:45:31,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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 [2024-12-02 06:45:31,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:31,532 INFO L225 Difference]: With dead ends: 42440 [2024-12-02 06:45:31,533 INFO L226 Difference]: Without dead ends: 28309 [2024-12-02 06:45:31,551 INFO L434 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 [2024-12-02 06:45:31,551 INFO L435 NwaCegarLoop]: 2728 mSDtfsCounter, 1361 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1361 SdHoareTripleChecker+Valid, 4090 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:31,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1361 Valid, 4090 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:45:31,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28309 states. [2024-12-02 06:45:31,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28309 to 14188. [2024-12-02 06:45:31,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14188 states, 14176 states have (on average 1.5313910835214446) internal successors, (21709), 14187 states have internal predecessors, (21709), 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) [2024-12-02 06:45:31,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14188 states to 14188 states and 21709 transitions. [2024-12-02 06:45:31,964 INFO L78 Accepts]: Start accepts. Automaton has 14188 states and 21709 transitions. Word has length 300 [2024-12-02 06:45:31,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:31,964 INFO L471 AbstractCegarLoop]: Abstraction has 14188 states and 21709 transitions. [2024-12-02 06:45:31,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2024-12-02 06:45:31,965 INFO L276 IsEmpty]: Start isEmpty. Operand 14188 states and 21709 transitions. [2024-12-02 06:45:31,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-12-02 06:45:31,985 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:31,985 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:31,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:45:31,985 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:31,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:31,986 INFO L85 PathProgramCache]: Analyzing trace with hash -207598954, now seen corresponding path program 1 times [2024-12-02 06:45:31,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:31,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211029192] [2024-12-02 06:45:31,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:31,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:32,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:32,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211029192] [2024-12-02 06:45:32,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211029192] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:32,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:32,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:45:32,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978607650] [2024-12-02 06:45:32,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:32,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:45:32,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:32,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:45:32,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:45:32,155 INFO L87 Difference]: Start difference. First operand 14188 states and 21709 transitions. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2024-12-02 06:45:32,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:32,264 INFO L93 Difference]: Finished difference Result 28338 states and 43351 transitions. [2024-12-02 06:45:32,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:45:32,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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 [2024-12-02 06:45:32,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:32,293 INFO L225 Difference]: With dead ends: 28338 [2024-12-02 06:45:32,293 INFO L226 Difference]: Without dead ends: 14206 [2024-12-02 06:45:32,305 INFO L434 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 [2024-12-02 06:45:32,306 INFO L435 NwaCegarLoop]: 1385 mSDtfsCounter, 5 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2755 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:32,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2755 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:45:32,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14206 states. [2024-12-02 06:45:32,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14206 to 14206. [2024-12-02 06:45:32,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14206 states, 14194 states have (on average 1.5309285613639565) internal successors, (21730), 14205 states have internal predecessors, (21730), 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) [2024-12-02 06:45:32,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14206 states to 14206 states and 21730 transitions. [2024-12-02 06:45:32,612 INFO L78 Accepts]: Start accepts. Automaton has 14206 states and 21730 transitions. Word has length 301 [2024-12-02 06:45:32,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:32,612 INFO L471 AbstractCegarLoop]: Abstraction has 14206 states and 21730 transitions. [2024-12-02 06:45:32,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2024-12-02 06:45:32,612 INFO L276 IsEmpty]: Start isEmpty. Operand 14206 states and 21730 transitions. [2024-12-02 06:45:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-12-02 06:45:32,637 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:32,637 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:32,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:45:32,638 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:32,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:32,639 INFO L85 PathProgramCache]: Analyzing trace with hash 319871921, now seen corresponding path program 1 times [2024-12-02 06:45:32,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:32,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762217368] [2024-12-02 06:45:32,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:32,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:32,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:32,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762217368] [2024-12-02 06:45:32,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762217368] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:32,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:32,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:45:32,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947827542] [2024-12-02 06:45:32,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:32,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:45:32,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:32,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:45:32,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:45:32,930 INFO L87 Difference]: Start difference. First operand 14206 states and 21730 transitions. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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) [2024-12-02 06:45:33,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:33,137 INFO L93 Difference]: Finished difference Result 40191 states and 61339 transitions. [2024-12-02 06:45:33,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:45:33,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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 [2024-12-02 06:45:33,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:33,193 INFO L225 Difference]: With dead ends: 40191 [2024-12-02 06:45:33,193 INFO L226 Difference]: Without dead ends: 26226 [2024-12-02 06:45:33,208 INFO L434 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 [2024-12-02 06:45:33,208 INFO L435 NwaCegarLoop]: 2586 mSDtfsCounter, 1230 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1230 SdHoareTripleChecker+Valid, 3901 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:33,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1230 Valid, 3901 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:45:33,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26226 states. [2024-12-02 06:45:33,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26226 to 26050. [2024-12-02 06:45:33,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26050 states, 26038 states have (on average 1.5183961901835779) internal successors, (39536), 26049 states have internal predecessors, (39536), 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) [2024-12-02 06:45:33,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26050 states to 26050 states and 39536 transitions. [2024-12-02 06:45:33,584 INFO L78 Accepts]: Start accepts. Automaton has 26050 states and 39536 transitions. Word has length 302 [2024-12-02 06:45:33,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:33,585 INFO L471 AbstractCegarLoop]: Abstraction has 26050 states and 39536 transitions. [2024-12-02 06:45:33,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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) [2024-12-02 06:45:33,585 INFO L276 IsEmpty]: Start isEmpty. Operand 26050 states and 39536 transitions. [2024-12-02 06:45:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-12-02 06:45:33,607 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:33,607 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:33,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:45:33,608 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:33,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:33,608 INFO L85 PathProgramCache]: Analyzing trace with hash -815985074, now seen corresponding path program 1 times [2024-12-02 06:45:33,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:33,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422671227] [2024-12-02 06:45:33,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:33,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:34,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:34,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:34,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422671227] [2024-12-02 06:45:34,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422671227] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:34,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:34,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:45:34,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668482393] [2024-12-02 06:45:34,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:34,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:45:34,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:34,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:45:34,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:45:34,570 INFO L87 Difference]: Start difference. First operand 26050 states and 39536 transitions. Second operand has 4 states, 4 states have (on average 75.5) internal successors, (302), 4 states have internal predecessors, (302), 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) [2024-12-02 06:45:34,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:34,796 INFO L93 Difference]: Finished difference Result 77217 states and 116982 transitions. [2024-12-02 06:45:34,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:45:34,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.5) internal successors, (302), 4 states have internal predecessors, (302), 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 [2024-12-02 06:45:34,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:34,862 INFO L225 Difference]: With dead ends: 77217 [2024-12-02 06:45:34,862 INFO L226 Difference]: Without dead ends: 51703 [2024-12-02 06:45:34,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:45:34,877 INFO L435 NwaCegarLoop]: 1921 mSDtfsCounter, 1330 mSDsluCounter, 3283 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 5204 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:34,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 5204 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:45:34,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51703 states. [2024-12-02 06:45:35,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51703 to 26285. [2024-12-02 06:45:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26285 states, 26273 states have (on average 1.5195828417006052) internal successors, (39924), 26284 states have internal predecessors, (39924), 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) [2024-12-02 06:45:35,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26285 states to 26285 states and 39924 transitions. [2024-12-02 06:45:35,286 INFO L78 Accepts]: Start accepts. Automaton has 26285 states and 39924 transitions. Word has length 302 [2024-12-02 06:45:35,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:35,286 INFO L471 AbstractCegarLoop]: Abstraction has 26285 states and 39924 transitions. [2024-12-02 06:45:35,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.5) internal successors, (302), 4 states have internal predecessors, (302), 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) [2024-12-02 06:45:35,286 INFO L276 IsEmpty]: Start isEmpty. Operand 26285 states and 39924 transitions. [2024-12-02 06:45:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-12-02 06:45:35,307 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:35,308 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:35,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:45:35,308 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:35,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:35,309 INFO L85 PathProgramCache]: Analyzing trace with hash 369091199, now seen corresponding path program 1 times [2024-12-02 06:45:35,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:35,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369440103] [2024-12-02 06:45:35,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:35,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:35,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:35,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369440103] [2024-12-02 06:45:35,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369440103] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:35,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:35,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:45:35,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047866360] [2024-12-02 06:45:35,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:35,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:45:35,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:35,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:45:35,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:45:35,455 INFO L87 Difference]: Start difference. First operand 26285 states and 39924 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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) [2024-12-02 06:45:35,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:35,695 INFO L93 Difference]: Finished difference Result 77293 states and 117061 transitions. [2024-12-02 06:45:35,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:45:35,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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 304 [2024-12-02 06:45:35,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:35,754 INFO L225 Difference]: With dead ends: 77293 [2024-12-02 06:45:35,754 INFO L226 Difference]: Without dead ends: 51807 [2024-12-02 06:45:35,777 INFO L434 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 [2024-12-02 06:45:35,777 INFO L435 NwaCegarLoop]: 2596 mSDtfsCounter, 1229 mSDsluCounter, 1361 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 3957 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:35,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1229 Valid, 3957 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:45:35,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51807 states. [2024-12-02 06:45:36,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51807 to 26389. [2024-12-02 06:45:36,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26389 states, 26377 states have (on average 1.5190127762823673) internal successors, (40067), 26388 states have internal predecessors, (40067), 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) [2024-12-02 06:45:36,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26389 states to 26389 states and 40067 transitions. [2024-12-02 06:45:36,222 INFO L78 Accepts]: Start accepts. Automaton has 26389 states and 40067 transitions. Word has length 304 [2024-12-02 06:45:36,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:36,222 INFO L471 AbstractCegarLoop]: Abstraction has 26389 states and 40067 transitions. [2024-12-02 06:45:36,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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) [2024-12-02 06:45:36,222 INFO L276 IsEmpty]: Start isEmpty. Operand 26389 states and 40067 transitions. [2024-12-02 06:45:36,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-12-02 06:45:36,235 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:36,235 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:36,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:45:36,236 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:36,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:36,236 INFO L85 PathProgramCache]: Analyzing trace with hash 951112026, now seen corresponding path program 1 times [2024-12-02 06:45:36,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:36,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277748463] [2024-12-02 06:45:36,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:36,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:36,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:36,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277748463] [2024-12-02 06:45:36,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277748463] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:36,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:36,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:45:36,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427106980] [2024-12-02 06:45:36,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:36,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:45:36,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:36,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:45:36,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:45:36,383 INFO L87 Difference]: Start difference. First operand 26389 states and 40067 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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) [2024-12-02 06:45:36,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:36,509 INFO L93 Difference]: Finished difference Result 52007 states and 78798 transitions. [2024-12-02 06:45:36,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:45:36,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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 305 [2024-12-02 06:45:36,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:36,542 INFO L225 Difference]: With dead ends: 52007 [2024-12-02 06:45:36,542 INFO L226 Difference]: Without dead ends: 26514 [2024-12-02 06:45:36,558 INFO L434 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 [2024-12-02 06:45:36,559 INFO L435 NwaCegarLoop]: 1385 mSDtfsCounter, 5 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2754 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:36,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2754 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:45:36,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26514 states. [2024-12-02 06:45:36,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26514 to 26514. [2024-12-02 06:45:36,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26514 states, 26502 states have (on average 1.5173571805901442) internal successors, (40213), 26513 states have internal predecessors, (40213), 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) [2024-12-02 06:45:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26514 states to 26514 states and 40213 transitions. [2024-12-02 06:45:36,792 INFO L78 Accepts]: Start accepts. Automaton has 26514 states and 40213 transitions. Word has length 305 [2024-12-02 06:45:36,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:36,793 INFO L471 AbstractCegarLoop]: Abstraction has 26514 states and 40213 transitions. [2024-12-02 06:45:36,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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) [2024-12-02 06:45:36,793 INFO L276 IsEmpty]: Start isEmpty. Operand 26514 states and 40213 transitions. [2024-12-02 06:45:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-12-02 06:45:36,805 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:36,805 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:36,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:45:36,806 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:36,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:36,806 INFO L85 PathProgramCache]: Analyzing trace with hash 171762290, now seen corresponding path program 1 times [2024-12-02 06:45:36,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:36,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306284352] [2024-12-02 06:45:36,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:36,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:37,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:37,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:37,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306284352] [2024-12-02 06:45:37,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306284352] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:37,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:37,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:45:37,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641003659] [2024-12-02 06:45:37,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:37,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:45:37,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:37,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:45:37,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:45:37,343 INFO L87 Difference]: Start difference. First operand 26514 states and 40213 transitions. Second operand has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 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) [2024-12-02 06:45:37,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:37,458 INFO L93 Difference]: Finished difference Result 50422 states and 76332 transitions. [2024-12-02 06:45:37,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:45:37,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 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 306 [2024-12-02 06:45:37,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:37,477 INFO L225 Difference]: With dead ends: 50422 [2024-12-02 06:45:37,477 INFO L226 Difference]: Without dead ends: 24767 [2024-12-02 06:45:37,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:45:37,490 INFO L435 NwaCegarLoop]: 1512 mSDtfsCounter, 99 mSDsluCounter, 2879 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 4391 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:37,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 4391 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:45:37,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24767 states. [2024-12-02 06:45:37,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24767 to 24747. [2024-12-02 06:45:37,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24747 states, 24735 states have (on average 1.517364059025672) internal successors, (37532), 24746 states have internal predecessors, (37532), 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) [2024-12-02 06:45:37,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24747 states to 24747 states and 37532 transitions. [2024-12-02 06:45:37,708 INFO L78 Accepts]: Start accepts. Automaton has 24747 states and 37532 transitions. Word has length 306 [2024-12-02 06:45:37,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:37,708 INFO L471 AbstractCegarLoop]: Abstraction has 24747 states and 37532 transitions. [2024-12-02 06:45:37,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 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) [2024-12-02 06:45:37,709 INFO L276 IsEmpty]: Start isEmpty. Operand 24747 states and 37532 transitions. [2024-12-02 06:45:37,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-12-02 06:45:37,720 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:37,720 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:37,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 06:45:37,720 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:37,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:37,721 INFO L85 PathProgramCache]: Analyzing trace with hash -695025254, now seen corresponding path program 1 times [2024-12-02 06:45:37,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:37,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549609214] [2024-12-02 06:45:37,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:37,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:37,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:37,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:37,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549609214] [2024-12-02 06:45:37,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549609214] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:37,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:37,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:45:37,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774425540] [2024-12-02 06:45:37,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:37,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:45:37,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:37,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:45:37,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:45:37,832 INFO L87 Difference]: Start difference. First operand 24747 states and 37532 transitions. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:45:38,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:38,614 INFO L93 Difference]: Finished difference Result 70425 states and 106432 transitions. [2024-12-02 06:45:38,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:45:38,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310 [2024-12-02 06:45:38,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:38,648 INFO L225 Difference]: With dead ends: 70425 [2024-12-02 06:45:38,649 INFO L226 Difference]: Without dead ends: 47382 [2024-12-02 06:45:38,664 INFO L434 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 [2024-12-02 06:45:38,664 INFO L435 NwaCegarLoop]: 1248 mSDtfsCounter, 957 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 2296 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:38,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 2296 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 06:45:38,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47382 states. [2024-12-02 06:45:39,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47382 to 47206. [2024-12-02 06:45:39,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47206 states, 47194 states have (on average 1.50192821121329) internal successors, (70882), 47205 states have internal predecessors, (70882), 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) [2024-12-02 06:45:39,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47206 states to 47206 states and 70882 transitions. [2024-12-02 06:45:39,100 INFO L78 Accepts]: Start accepts. Automaton has 47206 states and 70882 transitions. Word has length 310 [2024-12-02 06:45:39,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:39,101 INFO L471 AbstractCegarLoop]: Abstraction has 47206 states and 70882 transitions. [2024-12-02 06:45:39,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:45:39,101 INFO L276 IsEmpty]: Start isEmpty. Operand 47206 states and 70882 transitions. [2024-12-02 06:45:39,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-12-02 06:45:39,130 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:39,130 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:39,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 06:45:39,130 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:39,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:39,131 INFO L85 PathProgramCache]: Analyzing trace with hash 561968629, now seen corresponding path program 1 times [2024-12-02 06:45:39,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:39,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840026904] [2024-12-02 06:45:39,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:39,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:40,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:40,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:40,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840026904] [2024-12-02 06:45:40,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840026904] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:40,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:40,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:45:40,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161002562] [2024-12-02 06:45:40,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:40,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:45:40,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:40,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:45:40,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:45:40,773 INFO L87 Difference]: Start difference. First operand 47206 states and 70882 transitions. Second operand has 13 states, 13 states have (on average 23.846153846153847) internal successors, (310), 13 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:45:42,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:42,379 INFO L93 Difference]: Finished difference Result 70686 states and 107470 transitions. [2024-12-02 06:45:42,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 06:45:42,380 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 23.846153846153847) internal successors, (310), 13 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310 [2024-12-02 06:45:42,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:42,435 INFO L225 Difference]: With dead ends: 70686 [2024-12-02 06:45:42,435 INFO L226 Difference]: Without dead ends: 60742 [2024-12-02 06:45:42,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2024-12-02 06:45:42,454 INFO L435 NwaCegarLoop]: 1373 mSDtfsCounter, 7365 mSDsluCounter, 10888 mSDsCounter, 0 mSdLazyCounter, 1627 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7365 SdHoareTripleChecker+Valid, 12261 SdHoareTripleChecker+Invalid, 1751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:42,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7365 Valid, 12261 Invalid, 1751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1627 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 06:45:42,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60742 states. [2024-12-02 06:45:42,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60742 to 52198. [2024-12-02 06:45:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52198 states, 52186 states have (on average 1.4922392978959875) internal successors, (77874), 52197 states have internal predecessors, (77874), 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) [2024-12-02 06:45:42,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52198 states to 52198 states and 77874 transitions. [2024-12-02 06:45:42,955 INFO L78 Accepts]: Start accepts. Automaton has 52198 states and 77874 transitions. Word has length 310 [2024-12-02 06:45:42,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:42,956 INFO L471 AbstractCegarLoop]: Abstraction has 52198 states and 77874 transitions. [2024-12-02 06:45:42,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 23.846153846153847) internal successors, (310), 13 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:45:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 52198 states and 77874 transitions. [2024-12-02 06:45:42,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-12-02 06:45:42,977 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:42,977 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:42,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 06:45:42,978 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:42,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:42,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1634039764, now seen corresponding path program 1 times [2024-12-02 06:45:42,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:42,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456528742] [2024-12-02 06:45:42,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:42,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:43,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:43,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:43,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456528742] [2024-12-02 06:45:43,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456528742] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:43,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:43,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:45:43,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040563218] [2024-12-02 06:45:43,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:43,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:45:43,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:43,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:45:43,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:45:43,669 INFO L87 Difference]: Start difference. First operand 52198 states and 77874 transitions. Second operand has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:45:44,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:44,083 INFO L93 Difference]: Finished difference Result 204229 states and 304641 transitions. [2024-12-02 06:45:44,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:45:44,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310 [2024-12-02 06:45:44,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:44,184 INFO L225 Difference]: With dead ends: 204229 [2024-12-02 06:45:44,184 INFO L226 Difference]: Without dead ends: 152230 [2024-12-02 06:45:44,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:45:44,227 INFO L435 NwaCegarLoop]: 2297 mSDtfsCounter, 2558 mSDsluCounter, 2570 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 4867 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:44,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2558 Valid, 4867 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:45:44,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152230 states. [2024-12-02 06:45:45,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152230 to 102079. [2024-12-02 06:45:45,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102079 states, 102067 states have (on average 1.4836528946672285) internal successors, (151432), 102078 states have internal predecessors, (151432), 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) [2024-12-02 06:45:45,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102079 states to 102079 states and 151432 transitions. [2024-12-02 06:45:45,764 INFO L78 Accepts]: Start accepts. Automaton has 102079 states and 151432 transitions. Word has length 310 [2024-12-02 06:45:45,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:45,764 INFO L471 AbstractCegarLoop]: Abstraction has 102079 states and 151432 transitions. [2024-12-02 06:45:45,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:45:45,764 INFO L276 IsEmpty]: Start isEmpty. Operand 102079 states and 151432 transitions. [2024-12-02 06:45:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 06:45:45,822 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:45,822 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:45,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 06:45:45,822 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:45,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:45,823 INFO L85 PathProgramCache]: Analyzing trace with hash 36097505, now seen corresponding path program 1 times [2024-12-02 06:45:45,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:45,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495247724] [2024-12-02 06:45:45,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:45,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:45,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:45,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:45,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495247724] [2024-12-02 06:45:45,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495247724] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:45,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:45,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:45:45,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447429501] [2024-12-02 06:45:45,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:45,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:45:45,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:45,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:45:45,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:45:45,988 INFO L87 Difference]: Start difference. First operand 102079 states and 151432 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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) [2024-12-02 06:45:46,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:46,842 INFO L93 Difference]: Finished difference Result 300266 states and 444480 transitions. [2024-12-02 06:45:46,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:45:46,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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 312 [2024-12-02 06:45:46,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:47,004 INFO L225 Difference]: With dead ends: 300266 [2024-12-02 06:45:47,004 INFO L226 Difference]: Without dead ends: 199493 [2024-12-02 06:45:47,065 INFO L434 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 [2024-12-02 06:45:47,065 INFO L435 NwaCegarLoop]: 2650 mSDtfsCounter, 1217 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 3955 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:47,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1217 Valid, 3955 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:45:47,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199493 states. [2024-12-02 06:45:49,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199493 to 199345. [2024-12-02 06:45:49,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199345 states, 199333 states have (on average 1.4714924272448615) internal successors, (293317), 199344 states have internal predecessors, (293317), 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) [2024-12-02 06:45:49,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199345 states to 199345 states and 293317 transitions. [2024-12-02 06:45:49,932 INFO L78 Accepts]: Start accepts. Automaton has 199345 states and 293317 transitions. Word has length 312 [2024-12-02 06:45:49,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:49,933 INFO L471 AbstractCegarLoop]: Abstraction has 199345 states and 293317 transitions. [2024-12-02 06:45:49,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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) [2024-12-02 06:45:49,933 INFO L276 IsEmpty]: Start isEmpty. Operand 199345 states and 293317 transitions. [2024-12-02 06:45:50,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-12-02 06:45:50,070 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:50,071 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:50,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 06:45:50,071 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:50,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:50,071 INFO L85 PathProgramCache]: Analyzing trace with hash -393420228, now seen corresponding path program 1 times [2024-12-02 06:45:50,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:50,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525646975] [2024-12-02 06:45:50,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:50,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:50,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:50,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525646975] [2024-12-02 06:45:50,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525646975] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:50,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:50,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:45:50,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349135034] [2024-12-02 06:45:50,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:50,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:45:50,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:50,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:45:50,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:45:50,230 INFO L87 Difference]: Start difference. First operand 199345 states and 293317 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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) [2024-12-02 06:45:51,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:51,494 INFO L93 Difference]: Finished difference Result 566581 states and 832018 transitions. [2024-12-02 06:45:51,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:45:51,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 314 [2024-12-02 06:45:51,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:51,739 INFO L225 Difference]: With dead ends: 566581 [2024-12-02 06:45:51,739 INFO L226 Difference]: Without dead ends: 368119 [2024-12-02 06:45:51,801 INFO L434 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 [2024-12-02 06:45:51,801 INFO L435 NwaCegarLoop]: 2579 mSDtfsCounter, 1208 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1208 SdHoareTripleChecker+Valid, 3884 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:51,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1208 Valid, 3884 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:45:51,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368119 states. [2024-12-02 06:45:55,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368119 to 367979. [2024-12-02 06:45:55,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367979 states, 367967 states have (on average 1.4580138979854171) internal successors, (536501), 367978 states have internal predecessors, (536501), 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) [2024-12-02 06:45:56,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367979 states to 367979 states and 536501 transitions. [2024-12-02 06:45:56,620 INFO L78 Accepts]: Start accepts. Automaton has 367979 states and 536501 transitions. Word has length 314 [2024-12-02 06:45:56,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:56,620 INFO L471 AbstractCegarLoop]: Abstraction has 367979 states and 536501 transitions. [2024-12-02 06:45:56,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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) [2024-12-02 06:45:56,620 INFO L276 IsEmpty]: Start isEmpty. Operand 367979 states and 536501 transitions. [2024-12-02 06:45:57,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-12-02 06:45:57,273 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:57,273 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:45:57,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 06:45:57,274 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:45:57,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:57,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1325124455, now seen corresponding path program 1 times [2024-12-02 06:45:57,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:57,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024139841] [2024-12-02 06:45:57,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:57,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:58,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:45:58,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:58,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024139841] [2024-12-02 06:45:58,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024139841] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:58,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:58,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:45:58,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568911375] [2024-12-02 06:45:58,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:58,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:45:58,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:58,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:45:58,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:45:58,129 INFO L87 Difference]: Start difference. First operand 367979 states and 536501 transitions. Second operand has 4 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 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) [2024-12-02 06:46:00,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:46:00,950 INFO L93 Difference]: Finished difference Result 1057794 states and 1540947 transitions. [2024-12-02 06:46:00,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:46:00,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 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 314 [2024-12-02 06:46:00,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:46:01,511 INFO L225 Difference]: With dead ends: 1057794 [2024-12-02 06:46:01,511 INFO L226 Difference]: Without dead ends: 690566 [2024-12-02 06:46:01,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:46:01,870 INFO L435 NwaCegarLoop]: 2357 mSDtfsCounter, 1245 mSDsluCounter, 2544 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 4901 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:46:01,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1245 Valid, 4901 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:46:02,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690566 states. [2024-12-02 06:46:09,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690566 to 690466. [2024-12-02 06:46:09,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690466 states, 690454 states have (on average 1.4473853435565585) internal successors, (999353), 690465 states have internal predecessors, (999353), 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) [2024-12-02 06:46:11,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690466 states to 690466 states and 999353 transitions. [2024-12-02 06:46:11,064 INFO L78 Accepts]: Start accepts. Automaton has 690466 states and 999353 transitions. Word has length 314 [2024-12-02 06:46:11,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:46:11,064 INFO L471 AbstractCegarLoop]: Abstraction has 690466 states and 999353 transitions. [2024-12-02 06:46:11,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 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) [2024-12-02 06:46:11,064 INFO L276 IsEmpty]: Start isEmpty. Operand 690466 states and 999353 transitions. [2024-12-02 06:46:12,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 06:46:12,011 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:46:12,011 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:46:12,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 06:46:12,011 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:46:12,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:46:12,012 INFO L85 PathProgramCache]: Analyzing trace with hash 203395087, now seen corresponding path program 1 times [2024-12-02 06:46:12,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:46:12,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009185220] [2024-12-02 06:46:12,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:46:12,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:46:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:46:12,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:46:12,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:46:12,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009185220] [2024-12-02 06:46:12,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009185220] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:46:12,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:46:12,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:46:12,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347450445] [2024-12-02 06:46:12,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:46:12,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:46:12,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:46:12,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:46:12,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:46:12,204 INFO L87 Difference]: Start difference. First operand 690466 states and 999353 transitions. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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) [2024-12-02 06:46:17,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:46:17,335 INFO L93 Difference]: Finished difference Result 2034968 states and 2939005 transitions. [2024-12-02 06:46:17,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:46:17,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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 315 [2024-12-02 06:46:17,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:46:18,829 INFO L225 Difference]: With dead ends: 2034968 [2024-12-02 06:46:18,829 INFO L226 Difference]: Without dead ends: 1350121 [2024-12-02 06:46:19,137 INFO L434 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 [2024-12-02 06:46:19,138 INFO L435 NwaCegarLoop]: 2386 mSDtfsCounter, 1206 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 3675 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:46:19,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 3675 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:46:20,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350121 states. [2024-12-02 06:46:33,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350121 to 1349945. [2024-12-02 06:46:34,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349945 states, 1349933 states have (on average 1.4344074854085351) internal successors, (1936354), 1349944 states have internal predecessors, (1936354), 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) [2024-12-02 06:46:36,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349945 states to 1349945 states and 1936354 transitions. [2024-12-02 06:46:36,981 INFO L78 Accepts]: Start accepts. Automaton has 1349945 states and 1936354 transitions. Word has length 315 [2024-12-02 06:46:36,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:46:36,981 INFO L471 AbstractCegarLoop]: Abstraction has 1349945 states and 1936354 transitions. [2024-12-02 06:46:36,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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) [2024-12-02 06:46:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1349945 states and 1936354 transitions. [2024-12-02 06:46:38,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-12-02 06:46:38,583 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:46:38,583 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:46:38,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 06:46:38,583 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-12-02 06:46:38,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:46:38,584 INFO L85 PathProgramCache]: Analyzing trace with hash 554562517, now seen corresponding path program 1 times [2024-12-02 06:46:38,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:46:38,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183094908] [2024-12-02 06:46:38,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:46:38,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:46:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:46:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:46:39,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:46:39,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183094908] [2024-12-02 06:46:39,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183094908] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:46:39,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:46:39,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:46:39,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946029899] [2024-12-02 06:46:39,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:46:39,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:46:39,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:46:39,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:46:39,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:46:39,557 INFO L87 Difference]: Start difference. First operand 1349945 states and 1936354 transitions. Second operand has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2024-12-02 06:46:45,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:46:45,960 INFO L93 Difference]: Finished difference Result 2676203 states and 3836949 transitions. [2024-12-02 06:46:45,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:46:45,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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 [2024-12-02 06:46:45,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:46:47,668 INFO L225 Difference]: With dead ends: 2676203 [2024-12-02 06:46:47,668 INFO L226 Difference]: Without dead ends: 1339045 [2024-12-02 06:46:47,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:46:47,918 INFO L435 NwaCegarLoop]: 1488 mSDtfsCounter, 92 mSDsluCounter, 2849 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 4337 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:46:47,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 4337 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:46:48,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339045 states.