./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-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_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/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_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/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_1861c8d9-2033-48d7-8bb3-6766a12de80c/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 ea17b6f261bb6e2069b46537416ceb2b28c77bf12fbc31c6c070453fa873ea8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:21:35,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:21:35,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:21:35,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:21:35,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:21:35,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:21:36,000 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:21:36,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:21:36,001 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:21:36,001 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:21:36,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:21:36,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:21:36,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:21:36,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:21:36,001 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:21:36,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:21:36,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:21:36,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:21:36,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:21:36,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:21:36,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:21:36,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:21:36,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:21:36,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:21:36,002 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:21:36,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:21:36,002 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:21:36,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:21:36,003 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:21:36,003 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:21:36,003 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:21:36,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:21:36,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:21:36,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:21:36,003 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:21:36,003 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:21:36,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:21:36,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:21:36,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:21:36,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:21:36,004 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:21:36,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:21:36,004 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:21:36,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:21:36,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:21:36,004 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:21:36,004 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:21:36,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:21:36,004 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/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 -> ea17b6f261bb6e2069b46537416ceb2b28c77bf12fbc31c6c070453fa873ea8f [2024-12-02 06:21:36,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:21:36,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:21:36,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:21:36,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:21:36,274 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:21:36,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2024-12-02 06:21:39,050 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/data/8018dfcb9/b0ec75c323d744a0ae3feb19706d2c49/FLAG1da4042d4 [2024-12-02 06:21:39,473 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:21:39,474 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2024-12-02 06:21:39,510 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/data/8018dfcb9/b0ec75c323d744a0ae3feb19706d2c49/FLAG1da4042d4 [2024-12-02 06:21:39,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/data/8018dfcb9/b0ec75c323d744a0ae3feb19706d2c49 [2024-12-02 06:21:39,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:21:39,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:21:39,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:21:39,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:21:39,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:21:39,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:21:39" (1/1) ... [2024-12-02 06:21:39,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f9204a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:39, skipping insertion in model container [2024-12-02 06:21:39,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:21:39" (1/1) ... [2024-12-02 06:21:39,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:21:40,368 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[80354,80367] [2024-12-02 06:21:40,505 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[115904,115917] [2024-12-02 06:21:40,566 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[133708,133721] [2024-12-02 06:21:40,598 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[142627,142640] [2024-12-02 06:21:40,614 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[147060,147073] [2024-12-02 06:21:40,630 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[151393,151406] [2024-12-02 06:21:40,740 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[186229,186242] [2024-12-02 06:21:40,791 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[203860,203873] [2024-12-02 06:21:40,818 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[212816,212829] [2024-12-02 06:21:40,832 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[217286,217299] [2024-12-02 06:21:40,847 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[221656,221669] [2024-12-02 06:21:40,903 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[240553,240566] [2024-12-02 06:21:40,929 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[249509,249522] [2024-12-02 06:21:40,940 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[253979,253992] [2024-12-02 06:21:40,955 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[258349,258362] [2024-12-02 06:21:40,973 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[263314,263327] [2024-12-02 06:21:40,987 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[267693,267706] [2024-12-02 06:21:40,999 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[272163,272176] [2024-12-02 06:21:41,009 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[276533,276546] [2024-12-02 06:21:41,021 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[281119,281132] [2024-12-02 06:21:41,035 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[285656,285669] [2024-12-02 06:21:41,051 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[290122,290135] [2024-12-02 06:21:41,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:21:41,130 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:21:41,328 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[80354,80367] [2024-12-02 06:21:41,402 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[115904,115917] [2024-12-02 06:21:41,440 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[133708,133721] [2024-12-02 06:21:41,460 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[142627,142640] [2024-12-02 06:21:41,470 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[147060,147073] [2024-12-02 06:21:41,481 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[151393,151406] [2024-12-02 06:21:41,548 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[186229,186242] [2024-12-02 06:21:41,594 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[203860,203873] [2024-12-02 06:21:41,611 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[212816,212829] [2024-12-02 06:21:41,620 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[217286,217299] [2024-12-02 06:21:41,629 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[221656,221669] [2024-12-02 06:21:41,672 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[240553,240566] [2024-12-02 06:21:41,693 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[249509,249522] [2024-12-02 06:21:41,704 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[253979,253992] [2024-12-02 06:21:41,715 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[258349,258362] [2024-12-02 06:21:41,726 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[263314,263327] [2024-12-02 06:21:41,735 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[267693,267706] [2024-12-02 06:21:41,745 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[272163,272176] [2024-12-02 06:21:41,754 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[276533,276546] [2024-12-02 06:21:41,763 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[281119,281132] [2024-12-02 06:21:41,773 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[285656,285669] [2024-12-02 06:21:41,782 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_1861c8d9-2033-48d7-8bb3-6766a12de80c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[290122,290135] [2024-12-02 06:21:41,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:21:41,833 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:21:41,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41 WrapperNode [2024-12-02 06:21:41,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:21:41,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:21:41,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:21:41,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:21:41,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41" (1/1) ... [2024-12-02 06:21:41,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41" (1/1) ... [2024-12-02 06:21:42,056 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13266 [2024-12-02 06:21:42,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:21:42,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:21:42,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:21:42,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:21:42,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41" (1/1) ... [2024-12-02 06:21:42,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41" (1/1) ... [2024-12-02 06:21:42,085 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41" (1/1) ... [2024-12-02 06:21:42,159 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 06:21:42,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41" (1/1) ... [2024-12-02 06:21:42,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41" (1/1) ... [2024-12-02 06:21:42,237 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41" (1/1) ... [2024-12-02 06:21:42,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41" (1/1) ... [2024-12-02 06:21:42,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41" (1/1) ... [2024-12-02 06:21:42,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41" (1/1) ... [2024-12-02 06:21:42,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41" (1/1) ... [2024-12-02 06:21:42,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:21:42,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:21:42,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:21:42,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:21:42,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41" (1/1) ... [2024-12-02 06:21:42,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:21:42,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:21:42,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:21:42,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:21:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:21:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:21:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:21:42,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:21:42,827 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:21:42,830 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:21:48,756 INFO L? ?]: Removed 2736 outVars from TransFormulas that were not future-live. [2024-12-02 06:21:48,756 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:21:48,801 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:21:48,802 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 06:21:48,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:21:48 BoogieIcfgContainer [2024-12-02 06:21:48,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:21:48,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:21:48,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:21:48,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:21:48,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:21:39" (1/3) ... [2024-12-02 06:21:48,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e60ff70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:21:48, skipping insertion in model container [2024-12-02 06:21:48,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:41" (2/3) ... [2024-12-02 06:21:48,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e60ff70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:21:48, skipping insertion in model container [2024-12-02 06:21:48,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:21:48" (3/3) ... [2024-12-02 06:21:48,811 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2024-12-02 06:21:48,823 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:21:48,825 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c that has 1 procedures, 2541 locations, 1 initial locations, 0 loop locations, and 22 error locations. [2024-12-02 06:21:48,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:21:48,928 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;@f24582e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:21:48,929 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-12-02 06:21:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 2541 states, 2518 states have (on average 1.7589356632247817) internal successors, (4429), 2540 states have internal predecessors, (4429), 0 states have call successors, (0), 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 06:21:48,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-02 06:21:48,963 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:21:48,964 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] [2024-12-02 06:21:48,965 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:21:48,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:21:48,971 INFO L85 PathProgramCache]: Analyzing trace with hash -876960142, now seen corresponding path program 1 times [2024-12-02 06:21:48,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:21:48,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347151399] [2024-12-02 06:21:48,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:21:48,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:21:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:21:49,780 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 06:21:49,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:21:49,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347151399] [2024-12-02 06:21:49,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347151399] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:21:49,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:21:49,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:21:49,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226032357] [2024-12-02 06:21:49,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:21:49,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:21:49,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:21:49,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:21:49,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:21:49,814 INFO L87 Difference]: Start difference. First operand has 2541 states, 2518 states have (on average 1.7589356632247817) internal successors, (4429), 2540 states have internal predecessors, (4429), 0 states have call successors, (0), 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 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 06:21:52,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:21:52,399 INFO L93 Difference]: Finished difference Result 4213 states and 7126 transitions. [2024-12-02 06:21:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:21:52,401 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2024-12-02 06:21:52,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:21:52,426 INFO L225 Difference]: With dead ends: 4213 [2024-12-02 06:21:52,426 INFO L226 Difference]: Without dead ends: 2941 [2024-12-02 06:21:52,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:21:52,437 INFO L435 NwaCegarLoop]: 1898 mSDtfsCounter, 13160 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 2252 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13160 SdHoareTripleChecker+Valid, 2679 SdHoareTripleChecker+Invalid, 2273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:21:52,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13160 Valid, 2679 Invalid, 2273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2252 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 06:21:52,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2941 states. [2024-12-02 06:21:52,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2941 to 2755. [2024-12-02 06:21:52,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2755 states, 2733 states have (on average 1.3241858763263812) internal successors, (3619), 2754 states have internal predecessors, (3619), 0 states have call successors, (0), 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 06:21:52,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3619 transitions. [2024-12-02 06:21:52,572 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3619 transitions. Word has length 87 [2024-12-02 06:21:52,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:21:52,572 INFO L471 AbstractCegarLoop]: Abstraction has 2755 states and 3619 transitions. [2024-12-02 06:21:52,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 06:21:52,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3619 transitions. [2024-12-02 06:21:52,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-02 06:21:52,580 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:21:52,580 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] [2024-12-02 06:21:52,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:21:52,580 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:21:52,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:21:52,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1410328050, now seen corresponding path program 1 times [2024-12-02 06:21:52,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:21:52,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256561822] [2024-12-02 06:21:52,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:21:52,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:21:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:21:52,922 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 06:21:52,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:21:52,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256561822] [2024-12-02 06:21:52,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256561822] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:21:52,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:21:52,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:21:52,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793973656] [2024-12-02 06:21:52,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:21:52,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:21:52,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:21:52,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:21:52,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:21:52,925 INFO L87 Difference]: Start difference. First operand 2755 states and 3619 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 06:21:53,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:21:53,956 INFO L93 Difference]: Finished difference Result 3042 states and 3982 transitions. [2024-12-02 06:21:53,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:21:53,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2024-12-02 06:21:53,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:21:53,964 INFO L225 Difference]: With dead ends: 3042 [2024-12-02 06:21:53,965 INFO L226 Difference]: Without dead ends: 1713 [2024-12-02 06:21:53,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:21:53,968 INFO L435 NwaCegarLoop]: 794 mSDtfsCounter, 4691 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4691 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:21:53,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4691 Valid, 830 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:21:53,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2024-12-02 06:21:54,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1713. [2024-12-02 06:21:54,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1691 states have (on average 1.3341218214074513) internal successors, (2256), 1712 states have internal predecessors, (2256), 0 states have call successors, (0), 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 06:21:54,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2256 transitions. [2024-12-02 06:21:54,013 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2256 transitions. Word has length 87 [2024-12-02 06:21:54,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:21:54,014 INFO L471 AbstractCegarLoop]: Abstraction has 1713 states and 2256 transitions. [2024-12-02 06:21:54,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 06:21:54,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2256 transitions. [2024-12-02 06:21:54,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-02 06:21:54,019 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:21:54,019 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] [2024-12-02 06:21:54,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:21:54,019 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:21:54,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:21:54,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1125625269, now seen corresponding path program 1 times [2024-12-02 06:21:54,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:21:54,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94492150] [2024-12-02 06:21:54,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:21:54,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:21:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:21:54,310 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 06:21:54,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:21:54,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94492150] [2024-12-02 06:21:54,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94492150] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:21:54,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:21:54,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:21:54,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896150441] [2024-12-02 06:21:54,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:21:54,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:21:54,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:21:54,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:21:54,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:21:54,312 INFO L87 Difference]: Start difference. First operand 1713 states and 2256 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 06:21:54,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:21:54,991 INFO L93 Difference]: Finished difference Result 2133 states and 2819 transitions. [2024-12-02 06:21:54,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:21:54,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2024-12-02 06:21:54,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:21:54,997 INFO L225 Difference]: With dead ends: 2133 [2024-12-02 06:21:54,997 INFO L226 Difference]: Without dead ends: 1257 [2024-12-02 06:21:54,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:21:55,000 INFO L435 NwaCegarLoop]: 630 mSDtfsCounter, 3411 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3411 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:21:55,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3411 Valid, 658 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 06:21:55,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2024-12-02 06:21:55,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1257. [2024-12-02 06:21:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1257 states, 1235 states have (on average 1.3522267206477734) internal successors, (1670), 1256 states have internal predecessors, (1670), 0 states have call successors, (0), 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 06:21:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 1670 transitions. [2024-12-02 06:21:55,036 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 1670 transitions. Word has length 87 [2024-12-02 06:21:55,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:21:55,037 INFO L471 AbstractCegarLoop]: Abstraction has 1257 states and 1670 transitions. [2024-12-02 06:21:55,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 06:21:55,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1670 transitions. [2024-12-02 06:21:55,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 06:21:55,040 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:21:55,040 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] [2024-12-02 06:21:55,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:21:55,041 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:21:55,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:21:55,041 INFO L85 PathProgramCache]: Analyzing trace with hash -229604869, now seen corresponding path program 1 times [2024-12-02 06:21:55,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:21:55,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526544398] [2024-12-02 06:21:55,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:21:55,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:21:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:21:55,318 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 06:21:55,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:21:55,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526544398] [2024-12-02 06:21:55,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526544398] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:21:55,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:21:55,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:21:55,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432741585] [2024-12-02 06:21:55,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:21:55,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:21:55,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:21:55,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:21:55,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:21:55,320 INFO L87 Difference]: Start difference. First operand 1257 states and 1670 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 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 06:21:55,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:21:55,822 INFO L93 Difference]: Finished difference Result 1801 states and 2409 transitions. [2024-12-02 06:21:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:21:55,822 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2024-12-02 06:21:55,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:21:55,826 INFO L225 Difference]: With dead ends: 1801 [2024-12-02 06:21:55,826 INFO L226 Difference]: Without dead ends: 1122 [2024-12-02 06:21:55,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:21:55,828 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 3045 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3045 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:21:55,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3045 Valid, 597 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:21:55,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2024-12-02 06:21:55,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1122. [2024-12-02 06:21:55,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1100 states have (on average 1.3681818181818182) internal successors, (1505), 1121 states have internal predecessors, (1505), 0 states have call successors, (0), 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 06:21:55,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1505 transitions. [2024-12-02 06:21:55,855 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1505 transitions. Word has length 89 [2024-12-02 06:21:55,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:21:55,855 INFO L471 AbstractCegarLoop]: Abstraction has 1122 states and 1505 transitions. [2024-12-02 06:21:55,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 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 06:21:55,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1505 transitions. [2024-12-02 06:21:55,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 06:21:55,857 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:21:55,857 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] [2024-12-02 06:21:55,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:21:55,858 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:21:55,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:21:55,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1455647616, now seen corresponding path program 1 times [2024-12-02 06:21:55,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:21:55,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342265465] [2024-12-02 06:21:55,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:21:55,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:21:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:21:56,079 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 06:21:56,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:21:56,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342265465] [2024-12-02 06:21:56,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342265465] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:21:56,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:21:56,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:21:56,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104404521] [2024-12-02 06:21:56,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:21:56,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:21:56,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:21:56,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:21:56,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:21:56,081 INFO L87 Difference]: Start difference. First operand 1122 states and 1505 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 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 06:21:56,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:21:56,514 INFO L93 Difference]: Finished difference Result 1612 states and 2170 transitions. [2024-12-02 06:21:56,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:21:56,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-12-02 06:21:56,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:21:56,518 INFO L225 Difference]: With dead ends: 1612 [2024-12-02 06:21:56,518 INFO L226 Difference]: Without dead ends: 1002 [2024-12-02 06:21:56,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:21:56,520 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 2698 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:21:56,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 557 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:21:56,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2024-12-02 06:21:56,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 1002. [2024-12-02 06:21:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 980 states have (on average 1.3785714285714286) internal successors, (1351), 1001 states have internal predecessors, (1351), 0 states have call successors, (0), 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 06:21:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1351 transitions. [2024-12-02 06:21:56,539 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1351 transitions. Word has length 91 [2024-12-02 06:21:56,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:21:56,540 INFO L471 AbstractCegarLoop]: Abstraction has 1002 states and 1351 transitions. [2024-12-02 06:21:56,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 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 06:21:56,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1351 transitions. [2024-12-02 06:21:56,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 06:21:56,542 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:21:56,542 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] [2024-12-02 06:21:56,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:21:56,542 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:21:56,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:21:56,543 INFO L85 PathProgramCache]: Analyzing trace with hash 591523847, now seen corresponding path program 1 times [2024-12-02 06:21:56,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:21:56,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508621251] [2024-12-02 06:21:56,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:21:56,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:21:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:21:56,780 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 06:21:56,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:21:56,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508621251] [2024-12-02 06:21:56,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508621251] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:21:56,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:21:56,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:21:56,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128248680] [2024-12-02 06:21:56,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:21:56,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:21:56,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:21:56,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:21:56,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:21:56,783 INFO L87 Difference]: Start difference. First operand 1002 states and 1351 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 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 06:21:57,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:21:57,379 INFO L93 Difference]: Finished difference Result 1453 states and 1960 transitions. [2024-12-02 06:21:57,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:21:57,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-12-02 06:21:57,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:21:57,382 INFO L225 Difference]: With dead ends: 1453 [2024-12-02 06:21:57,382 INFO L226 Difference]: Without dead ends: 994 [2024-12-02 06:21:57,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:21:57,384 INFO L435 NwaCegarLoop]: 438 mSDtfsCounter, 2607 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2607 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:21:57,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2607 Valid, 482 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 06:21:57,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2024-12-02 06:21:57,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 994. [2024-12-02 06:21:57,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3786008230452675) internal successors, (1340), 993 states have internal predecessors, (1340), 0 states have call successors, (0), 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 06:21:57,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1340 transitions. [2024-12-02 06:21:57,411 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1340 transitions. Word has length 93 [2024-12-02 06:21:57,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:21:57,412 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1340 transitions. [2024-12-02 06:21:57,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 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 06:21:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1340 transitions. [2024-12-02 06:21:57,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 06:21:57,415 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:21:57,415 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] [2024-12-02 06:21:57,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:21:57,415 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:21:57,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:21:57,416 INFO L85 PathProgramCache]: Analyzing trace with hash 328441748, now seen corresponding path program 1 times [2024-12-02 06:21:57,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:21:57,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582216849] [2024-12-02 06:21:57,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:21:57,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:21:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:21:58,127 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 06:21:58,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:21:58,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582216849] [2024-12-02 06:21:58,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582216849] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:21:58,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:21:58,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 06:21:58,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226415400] [2024-12-02 06:21:58,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:21:58,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:21:58,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:21:58,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:21:58,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:21:58,129 INFO L87 Difference]: Start difference. First operand 994 states and 1340 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 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 06:21:59,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:21:59,163 INFO L93 Difference]: Finished difference Result 1809 states and 2377 transitions. [2024-12-02 06:21:59,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:21:59,164 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2024-12-02 06:21:59,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:21:59,166 INFO L225 Difference]: With dead ends: 1809 [2024-12-02 06:21:59,166 INFO L226 Difference]: Without dead ends: 1357 [2024-12-02 06:21:59,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:21:59,167 INFO L435 NwaCegarLoop]: 469 mSDtfsCounter, 4283 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4283 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:21:59,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4283 Valid, 1610 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:21:59,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2024-12-02 06:21:59,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 994. [2024-12-02 06:21:59,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3775720164609053) internal successors, (1339), 993 states have internal predecessors, (1339), 0 states have call successors, (0), 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 06:21:59,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1339 transitions. [2024-12-02 06:21:59,182 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1339 transitions. Word has length 95 [2024-12-02 06:21:59,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:21:59,182 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1339 transitions. [2024-12-02 06:21:59,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 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 06:21:59,183 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1339 transitions. [2024-12-02 06:21:59,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 06:21:59,185 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:21:59,185 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] [2024-12-02 06:21:59,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:21:59,186 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:21:59,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:21:59,186 INFO L85 PathProgramCache]: Analyzing trace with hash 556118932, now seen corresponding path program 1 times [2024-12-02 06:21:59,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:21:59,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722372567] [2024-12-02 06:21:59,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:21:59,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:21:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:21:59,658 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 06:21:59,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:21:59,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722372567] [2024-12-02 06:21:59,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722372567] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:21:59,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:21:59,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:21:59,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529900274] [2024-12-02 06:21:59,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:21:59,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:21:59,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:21:59,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:21:59,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:21:59,660 INFO L87 Difference]: Start difference. First operand 994 states and 1339 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 06:22:00,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:00,990 INFO L93 Difference]: Finished difference Result 1355 states and 1851 transitions. [2024-12-02 06:22:00,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:00,990 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2024-12-02 06:22:00,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:00,993 INFO L225 Difference]: With dead ends: 1355 [2024-12-02 06:22:00,993 INFO L226 Difference]: Without dead ends: 1073 [2024-12-02 06:22:00,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:00,994 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 2621 mSDsluCounter, 2424 mSDsCounter, 0 mSdLazyCounter, 2095 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 2961 SdHoareTripleChecker+Invalid, 2102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:00,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 2961 Invalid, 2102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2095 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 06:22:00,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-12-02 06:22:01,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 994. [2024-12-02 06:22:01,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.376543209876543) internal successors, (1338), 993 states have internal predecessors, (1338), 0 states have call successors, (0), 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 06:22:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1338 transitions. [2024-12-02 06:22:01,015 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1338 transitions. Word has length 95 [2024-12-02 06:22:01,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:01,016 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1338 transitions. [2024-12-02 06:22:01,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 06:22:01,016 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1338 transitions. [2024-12-02 06:22:01,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 06:22:01,018 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:01,018 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] [2024-12-02 06:22:01,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:22:01,018 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:01,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:01,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1071889132, now seen corresponding path program 1 times [2024-12-02 06:22:01,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:01,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162571234] [2024-12-02 06:22:01,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:01,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:01,543 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 06:22:01,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:01,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162571234] [2024-12-02 06:22:01,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162571234] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:01,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:01,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:01,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900067684] [2024-12-02 06:22:01,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:01,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:01,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:01,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:01,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:01,545 INFO L87 Difference]: Start difference. First operand 994 states and 1338 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 06:22:02,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:02,794 INFO L93 Difference]: Finished difference Result 1772 states and 2416 transitions. [2024-12-02 06:22:02,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:02,795 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2024-12-02 06:22:02,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:02,798 INFO L225 Difference]: With dead ends: 1772 [2024-12-02 06:22:02,798 INFO L226 Difference]: Without dead ends: 1566 [2024-12-02 06:22:02,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:02,799 INFO L435 NwaCegarLoop]: 643 mSDtfsCounter, 4639 mSDsluCounter, 2147 mSDsCounter, 0 mSdLazyCounter, 1959 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4639 SdHoareTripleChecker+Valid, 2790 SdHoareTripleChecker+Invalid, 1966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:02,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4639 Valid, 2790 Invalid, 1966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1959 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 06:22:02,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2024-12-02 06:22:02,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 994. [2024-12-02 06:22:02,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.375514403292181) internal successors, (1337), 993 states have internal predecessors, (1337), 0 states have call successors, (0), 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 06:22:02,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1337 transitions. [2024-12-02 06:22:02,823 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1337 transitions. Word has length 95 [2024-12-02 06:22:02,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:02,823 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1337 transitions. [2024-12-02 06:22:02,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 06:22:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1337 transitions. [2024-12-02 06:22:02,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 06:22:02,826 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:02,826 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] [2024-12-02 06:22:02,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:22:02,826 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:02,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:02,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1164032538, now seen corresponding path program 1 times [2024-12-02 06:22:02,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:02,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459643214] [2024-12-02 06:22:02,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:02,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:03,314 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 06:22:03,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:03,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459643214] [2024-12-02 06:22:03,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459643214] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:03,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:03,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:03,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235204517] [2024-12-02 06:22:03,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:03,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:03,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:03,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:03,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:03,316 INFO L87 Difference]: Start difference. First operand 994 states and 1337 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 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 06:22:04,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:04,315 INFO L93 Difference]: Finished difference Result 1708 states and 2321 transitions. [2024-12-02 06:22:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:04,315 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2024-12-02 06:22:04,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:04,318 INFO L225 Difference]: With dead ends: 1708 [2024-12-02 06:22:04,318 INFO L226 Difference]: Without dead ends: 1536 [2024-12-02 06:22:04,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:04,319 INFO L435 NwaCegarLoop]: 575 mSDtfsCounter, 4904 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4904 SdHoareTripleChecker+Valid, 2498 SdHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:04,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4904 Valid, 2498 Invalid, 1817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1810 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:04,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2024-12-02 06:22:04,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 994. [2024-12-02 06:22:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.374485596707819) internal successors, (1336), 993 states have internal predecessors, (1336), 0 states have call successors, (0), 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 06:22:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1336 transitions. [2024-12-02 06:22:04,331 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1336 transitions. Word has length 96 [2024-12-02 06:22:04,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:04,331 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1336 transitions. [2024-12-02 06:22:04,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 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 06:22:04,331 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1336 transitions. [2024-12-02 06:22:04,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 06:22:04,333 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:04,333 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] [2024-12-02 06:22:04,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:22:04,333 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:04,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:04,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1887012889, now seen corresponding path program 1 times [2024-12-02 06:22:04,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:04,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450068659] [2024-12-02 06:22:04,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:04,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:04,592 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 06:22:04,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:04,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450068659] [2024-12-02 06:22:04,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450068659] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:04,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:04,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:04,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622936665] [2024-12-02 06:22:04,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:04,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:04,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:04,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:04,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:04,594 INFO L87 Difference]: Start difference. First operand 994 states and 1336 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:22:05,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:05,448 INFO L93 Difference]: Finished difference Result 1580 states and 2157 transitions. [2024-12-02 06:22:05,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:22:05,448 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-12-02 06:22:05,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:05,450 INFO L225 Difference]: With dead ends: 1580 [2024-12-02 06:22:05,450 INFO L226 Difference]: Without dead ends: 1149 [2024-12-02 06:22:05,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2024-12-02 06:22:05,451 INFO L435 NwaCegarLoop]: 538 mSDtfsCounter, 2675 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 1769 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2675 SdHoareTripleChecker+Valid, 2495 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:05,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2675 Valid, 2495 Invalid, 1777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1769 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:22:05,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2024-12-02 06:22:05,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 994. [2024-12-02 06:22:05,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3724279835390947) internal successors, (1334), 993 states have internal predecessors, (1334), 0 states have call successors, (0), 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 06:22:05,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1334 transitions. [2024-12-02 06:22:05,461 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1334 transitions. Word has length 97 [2024-12-02 06:22:05,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:05,461 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1334 transitions. [2024-12-02 06:22:05,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:22:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1334 transitions. [2024-12-02 06:22:05,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 06:22:05,462 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:05,462 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] [2024-12-02 06:22:05,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:22:05,462 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:05,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:05,462 INFO L85 PathProgramCache]: Analyzing trace with hash -2083812519, now seen corresponding path program 1 times [2024-12-02 06:22:05,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:05,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732061315] [2024-12-02 06:22:05,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:05,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:05,798 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 06:22:05,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:05,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732061315] [2024-12-02 06:22:05,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732061315] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:05,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:05,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:05,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993091608] [2024-12-02 06:22:05,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:05,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:05,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:05,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:05,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:05,800 INFO L87 Difference]: Start difference. First operand 994 states and 1334 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:22:06,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:06,673 INFO L93 Difference]: Finished difference Result 1681 states and 2269 transitions. [2024-12-02 06:22:06,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:06,673 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-12-02 06:22:06,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:06,677 INFO L225 Difference]: With dead ends: 1681 [2024-12-02 06:22:06,677 INFO L226 Difference]: Without dead ends: 1512 [2024-12-02 06:22:06,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:06,678 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 3677 mSDsluCounter, 1786 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3677 SdHoareTripleChecker+Valid, 2328 SdHoareTripleChecker+Invalid, 1719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:06,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3677 Valid, 2328 Invalid, 1719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1712 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:22:06,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2024-12-02 06:22:06,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 994. [2024-12-02 06:22:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3703703703703705) internal successors, (1332), 993 states have internal predecessors, (1332), 0 states have call successors, (0), 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 06:22:06,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1332 transitions. [2024-12-02 06:22:06,706 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1332 transitions. Word has length 97 [2024-12-02 06:22:06,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:06,706 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1332 transitions. [2024-12-02 06:22:06,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:22:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1332 transitions. [2024-12-02 06:22:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 06:22:06,708 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:06,708 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] [2024-12-02 06:22:06,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 06:22:06,709 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:06,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:06,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1112735129, now seen corresponding path program 1 times [2024-12-02 06:22:06,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:06,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216824951] [2024-12-02 06:22:06,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:06,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:07,113 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 06:22:07,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:07,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216824951] [2024-12-02 06:22:07,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216824951] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:07,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:07,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:07,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921050657] [2024-12-02 06:22:07,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:07,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:07,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:07,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:07,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:07,115 INFO L87 Difference]: Start difference. First operand 994 states and 1332 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:22:08,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:08,289 INFO L93 Difference]: Finished difference Result 1824 states and 2477 transitions. [2024-12-02 06:22:08,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:08,290 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-12-02 06:22:08,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:08,293 INFO L225 Difference]: With dead ends: 1824 [2024-12-02 06:22:08,293 INFO L226 Difference]: Without dead ends: 1566 [2024-12-02 06:22:08,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:08,294 INFO L435 NwaCegarLoop]: 773 mSDtfsCounter, 4003 mSDsluCounter, 2536 mSDsCounter, 0 mSdLazyCounter, 2243 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4003 SdHoareTripleChecker+Valid, 3309 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:08,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4003 Valid, 3309 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2243 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 06:22:08,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2024-12-02 06:22:08,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 994. [2024-12-02 06:22:08,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.368312757201646) internal successors, (1330), 993 states have internal predecessors, (1330), 0 states have call successors, (0), 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 06:22:08,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1330 transitions. [2024-12-02 06:22:08,308 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1330 transitions. Word has length 97 [2024-12-02 06:22:08,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:08,308 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1330 transitions. [2024-12-02 06:22:08,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:22:08,308 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1330 transitions. [2024-12-02 06:22:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 06:22:08,310 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:08,310 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] [2024-12-02 06:22:08,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 06:22:08,310 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:08,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:08,311 INFO L85 PathProgramCache]: Analyzing trace with hash 725787161, now seen corresponding path program 1 times [2024-12-02 06:22:08,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:08,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404708062] [2024-12-02 06:22:08,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:08,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:08,691 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 06:22:08,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:08,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404708062] [2024-12-02 06:22:08,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404708062] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:08,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:08,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:08,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727841602] [2024-12-02 06:22:08,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:08,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:08,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:08,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:08,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:08,692 INFO L87 Difference]: Start difference. First operand 994 states and 1330 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:22:09,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:09,713 INFO L93 Difference]: Finished difference Result 1470 states and 1940 transitions. [2024-12-02 06:22:09,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:09,714 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-12-02 06:22:09,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:09,718 INFO L225 Difference]: With dead ends: 1470 [2024-12-02 06:22:09,718 INFO L226 Difference]: Without dead ends: 1464 [2024-12-02 06:22:09,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:09,719 INFO L435 NwaCegarLoop]: 518 mSDtfsCounter, 2479 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2479 SdHoareTripleChecker+Valid, 2153 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:09,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2479 Valid, 2153 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1640 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:22:09,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2024-12-02 06:22:09,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 994. [2024-12-02 06:22:09,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.367283950617284) internal successors, (1329), 993 states have internal predecessors, (1329), 0 states have call successors, (0), 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 06:22:09,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1329 transitions. [2024-12-02 06:22:09,730 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1329 transitions. Word has length 97 [2024-12-02 06:22:09,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:09,731 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1329 transitions. [2024-12-02 06:22:09,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:22:09,731 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1329 transitions. [2024-12-02 06:22:09,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 06:22:09,732 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:09,732 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] [2024-12-02 06:22:09,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 06:22:09,733 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:09,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:09,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1939604839, now seen corresponding path program 1 times [2024-12-02 06:22:09,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:09,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500547965] [2024-12-02 06:22:09,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:09,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:10,035 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 06:22:10,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:10,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500547965] [2024-12-02 06:22:10,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500547965] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:10,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:10,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:10,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796016291] [2024-12-02 06:22:10,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:10,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:10,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:10,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:10,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:10,037 INFO L87 Difference]: Start difference. First operand 994 states and 1329 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:22:11,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:11,055 INFO L93 Difference]: Finished difference Result 1669 states and 2247 transitions. [2024-12-02 06:22:11,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:11,055 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-12-02 06:22:11,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:11,058 INFO L225 Difference]: With dead ends: 1669 [2024-12-02 06:22:11,058 INFO L226 Difference]: Without dead ends: 1512 [2024-12-02 06:22:11,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:11,059 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 4149 mSDsluCounter, 2346 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4149 SdHoareTripleChecker+Valid, 2888 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:11,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4149 Valid, 2888 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2056 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:22:11,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2024-12-02 06:22:11,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 994. [2024-12-02 06:22:11,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3662551440329218) internal successors, (1328), 993 states have internal predecessors, (1328), 0 states have call successors, (0), 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 06:22:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1328 transitions. [2024-12-02 06:22:11,069 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1328 transitions. Word has length 97 [2024-12-02 06:22:11,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:11,069 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1328 transitions. [2024-12-02 06:22:11,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:22:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1328 transitions. [2024-12-02 06:22:11,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 06:22:11,070 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:11,070 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] [2024-12-02 06:22:11,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 06:22:11,070 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:11,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:11,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1267448231, now seen corresponding path program 1 times [2024-12-02 06:22:11,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:11,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925751781] [2024-12-02 06:22:11,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:11,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:11,578 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 06:22:11,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:11,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925751781] [2024-12-02 06:22:11,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925751781] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:11,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:11,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 06:22:11,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177167148] [2024-12-02 06:22:11,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:11,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:22:11,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:11,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:22:11,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:22:11,579 INFO L87 Difference]: Start difference. First operand 994 states and 1328 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:22:13,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:13,316 INFO L93 Difference]: Finished difference Result 2398 states and 3320 transitions. [2024-12-02 06:22:13,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 06:22:13,317 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-12-02 06:22:13,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:13,320 INFO L225 Difference]: With dead ends: 2398 [2024-12-02 06:22:13,320 INFO L226 Difference]: Without dead ends: 2178 [2024-12-02 06:22:13,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 06:22:13,322 INFO L435 NwaCegarLoop]: 806 mSDtfsCounter, 5593 mSDsluCounter, 3243 mSDsCounter, 0 mSdLazyCounter, 2924 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5593 SdHoareTripleChecker+Valid, 4049 SdHoareTripleChecker+Invalid, 3126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 2924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:13,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5593 Valid, 4049 Invalid, 3126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 2924 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 06:22:13,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2178 states. [2024-12-02 06:22:13,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2178 to 999. [2024-12-02 06:22:13,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.3643807574206754) internal successors, (1333), 998 states have internal predecessors, (1333), 0 states have call successors, (0), 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 06:22:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1333 transitions. [2024-12-02 06:22:13,333 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1333 transitions. Word has length 97 [2024-12-02 06:22:13,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:13,334 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1333 transitions. [2024-12-02 06:22:13,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:22:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1333 transitions. [2024-12-02 06:22:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 06:22:13,334 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:13,334 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] [2024-12-02 06:22:13,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 06:22:13,335 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:13,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:13,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1888632039, now seen corresponding path program 1 times [2024-12-02 06:22:13,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:13,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594200248] [2024-12-02 06:22:13,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:13,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:13,605 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 06:22:13,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:13,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594200248] [2024-12-02 06:22:13,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594200248] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:13,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:13,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:13,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672309481] [2024-12-02 06:22:13,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:13,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:13,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:13,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:13,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:13,607 INFO L87 Difference]: Start difference. First operand 999 states and 1333 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:22:14,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:14,891 INFO L93 Difference]: Finished difference Result 1718 states and 2321 transitions. [2024-12-02 06:22:14,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:14,892 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-12-02 06:22:14,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:14,894 INFO L225 Difference]: With dead ends: 1718 [2024-12-02 06:22:14,894 INFO L226 Difference]: Without dead ends: 1541 [2024-12-02 06:22:14,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:14,896 INFO L435 NwaCegarLoop]: 629 mSDtfsCounter, 3091 mSDsluCounter, 2667 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3091 SdHoareTripleChecker+Valid, 3296 SdHoareTripleChecker+Invalid, 2311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:14,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3091 Valid, 3296 Invalid, 2311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2305 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 06:22:14,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2024-12-02 06:22:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 999. [2024-12-02 06:22:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.3633572159672467) internal successors, (1332), 998 states have internal predecessors, (1332), 0 states have call successors, (0), 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 06:22:14,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1332 transitions. [2024-12-02 06:22:14,906 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1332 transitions. Word has length 97 [2024-12-02 06:22:14,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:14,906 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1332 transitions. [2024-12-02 06:22:14,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 06:22:14,907 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1332 transitions. [2024-12-02 06:22:14,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 06:22:14,908 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:14,908 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] [2024-12-02 06:22:14,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 06:22:14,908 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:14,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:14,909 INFO L85 PathProgramCache]: Analyzing trace with hash -983974751, now seen corresponding path program 1 times [2024-12-02 06:22:14,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:14,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247217041] [2024-12-02 06:22:14,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:14,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:15,197 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 06:22:15,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:15,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247217041] [2024-12-02 06:22:15,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247217041] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:15,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:15,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:15,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881338179] [2024-12-02 06:22:15,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:15,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:15,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:15,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:15,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:15,199 INFO L87 Difference]: Start difference. First operand 999 states and 1332 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:16,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:16,156 INFO L93 Difference]: Finished difference Result 1740 states and 2348 transitions. [2024-12-02 06:22:16,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:16,156 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-12-02 06:22:16,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:16,159 INFO L225 Difference]: With dead ends: 1740 [2024-12-02 06:22:16,159 INFO L226 Difference]: Without dead ends: 1541 [2024-12-02 06:22:16,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:16,160 INFO L435 NwaCegarLoop]: 628 mSDtfsCounter, 3350 mSDsluCounter, 2081 mSDsCounter, 0 mSdLazyCounter, 1922 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3350 SdHoareTripleChecker+Valid, 2709 SdHoareTripleChecker+Invalid, 1928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:16,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3350 Valid, 2709 Invalid, 1928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1922 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:16,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2024-12-02 06:22:16,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 999. [2024-12-02 06:22:16,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.361310133060389) internal successors, (1330), 998 states have internal predecessors, (1330), 0 states have call successors, (0), 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 06:22:16,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1330 transitions. [2024-12-02 06:22:16,170 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1330 transitions. Word has length 98 [2024-12-02 06:22:16,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:16,170 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1330 transitions. [2024-12-02 06:22:16,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1330 transitions. [2024-12-02 06:22:16,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 06:22:16,171 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:16,171 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] [2024-12-02 06:22:16,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 06:22:16,171 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:16,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:16,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1325336959, now seen corresponding path program 1 times [2024-12-02 06:22:16,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:16,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086726500] [2024-12-02 06:22:16,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:16,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:16,423 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 06:22:16,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:16,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086726500] [2024-12-02 06:22:16,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086726500] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:16,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:16,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:16,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922921176] [2024-12-02 06:22:16,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:16,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:16,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:16,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:16,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:16,425 INFO L87 Difference]: Start difference. First operand 999 states and 1330 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:17,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:17,491 INFO L93 Difference]: Finished difference Result 1685 states and 2262 transitions. [2024-12-02 06:22:17,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:17,491 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-12-02 06:22:17,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:17,494 INFO L225 Difference]: With dead ends: 1685 [2024-12-02 06:22:17,494 INFO L226 Difference]: Without dead ends: 1517 [2024-12-02 06:22:17,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:17,495 INFO L435 NwaCegarLoop]: 586 mSDtfsCounter, 4055 mSDsluCounter, 2476 mSDsCounter, 0 mSdLazyCounter, 2164 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4055 SdHoareTripleChecker+Valid, 3062 SdHoareTripleChecker+Invalid, 2171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:17,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4055 Valid, 3062 Invalid, 2171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2164 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:22:17,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2024-12-02 06:22:17,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 999. [2024-12-02 06:22:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.3592630501535312) internal successors, (1328), 998 states have internal predecessors, (1328), 0 states have call successors, (0), 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 06:22:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1328 transitions. [2024-12-02 06:22:17,503 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1328 transitions. Word has length 98 [2024-12-02 06:22:17,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:17,503 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1328 transitions. [2024-12-02 06:22:17,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:17,503 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1328 transitions. [2024-12-02 06:22:17,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 06:22:17,504 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:17,504 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] [2024-12-02 06:22:17,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 06:22:17,504 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:17,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:17,504 INFO L85 PathProgramCache]: Analyzing trace with hash -773485919, now seen corresponding path program 1 times [2024-12-02 06:22:17,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:17,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374604773] [2024-12-02 06:22:17,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:17,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:17,884 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 06:22:17,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:17,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374604773] [2024-12-02 06:22:17,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374604773] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:17,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:17,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 06:22:17,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106137938] [2024-12-02 06:22:17,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:17,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:22:17,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:17,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:22:17,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:22:17,885 INFO L87 Difference]: Start difference. First operand 999 states and 1328 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:19,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:19,462 INFO L93 Difference]: Finished difference Result 2250 states and 3094 transitions. [2024-12-02 06:22:19,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 06:22:19,462 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-12-02 06:22:19,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:19,466 INFO L225 Difference]: With dead ends: 2250 [2024-12-02 06:22:19,466 INFO L226 Difference]: Without dead ends: 2073 [2024-12-02 06:22:19,466 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 06:22:19,467 INFO L435 NwaCegarLoop]: 685 mSDtfsCounter, 7272 mSDsluCounter, 3212 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7272 SdHoareTripleChecker+Valid, 3897 SdHoareTripleChecker+Invalid, 3138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:19,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7272 Valid, 3897 Invalid, 3138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 2912 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 06:22:19,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2024-12-02 06:22:19,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 1004. [2024-12-02 06:22:19,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.3574338085539714) internal successors, (1333), 1003 states have internal predecessors, (1333), 0 states have call successors, (0), 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 06:22:19,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1333 transitions. [2024-12-02 06:22:19,478 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1333 transitions. Word has length 98 [2024-12-02 06:22:19,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:19,478 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1333 transitions. [2024-12-02 06:22:19,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1333 transitions. [2024-12-02 06:22:19,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 06:22:19,479 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:19,479 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] [2024-12-02 06:22:19,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 06:22:19,479 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:19,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:19,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1077039647, now seen corresponding path program 1 times [2024-12-02 06:22:19,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:19,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7992064] [2024-12-02 06:22:19,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:19,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:19,741 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 06:22:19,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:19,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7992064] [2024-12-02 06:22:19,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7992064] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:19,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:19,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:19,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964771005] [2024-12-02 06:22:19,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:19,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:19,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:19,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:19,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:19,743 INFO L87 Difference]: Start difference. First operand 1004 states and 1333 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:21,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:21,127 INFO L93 Difference]: Finished difference Result 1680 states and 2252 transitions. [2024-12-02 06:22:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:21,128 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-12-02 06:22:21,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:21,131 INFO L225 Difference]: With dead ends: 1680 [2024-12-02 06:22:21,131 INFO L226 Difference]: Without dead ends: 1522 [2024-12-02 06:22:21,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:21,133 INFO L435 NwaCegarLoop]: 641 mSDtfsCounter, 3953 mSDsluCounter, 2639 mSDsCounter, 0 mSdLazyCounter, 2335 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3953 SdHoareTripleChecker+Valid, 3280 SdHoareTripleChecker+Invalid, 2341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:21,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3953 Valid, 3280 Invalid, 2341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2335 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 06:22:21,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2024-12-02 06:22:21,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1004. [2024-12-02 06:22:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.3564154786150713) internal successors, (1332), 1003 states have internal predecessors, (1332), 0 states have call successors, (0), 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 06:22:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1332 transitions. [2024-12-02 06:22:21,148 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1332 transitions. Word has length 98 [2024-12-02 06:22:21,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:21,148 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1332 transitions. [2024-12-02 06:22:21,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1332 transitions. [2024-12-02 06:22:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 06:22:21,149 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:21,149 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] [2024-12-02 06:22:21,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 06:22:21,149 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:21,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:21,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1588992191, now seen corresponding path program 1 times [2024-12-02 06:22:21,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:21,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715486084] [2024-12-02 06:22:21,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:21,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:21,465 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 06:22:21,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:21,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715486084] [2024-12-02 06:22:21,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715486084] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:21,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:21,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:21,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362171038] [2024-12-02 06:22:21,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:21,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:21,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:21,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:21,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:21,467 INFO L87 Difference]: Start difference. First operand 1004 states and 1332 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:22,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:22,532 INFO L93 Difference]: Finished difference Result 1680 states and 2251 transitions. [2024-12-02 06:22:22,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:22,532 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-12-02 06:22:22,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:22,536 INFO L225 Difference]: With dead ends: 1680 [2024-12-02 06:22:22,536 INFO L226 Difference]: Without dead ends: 1522 [2024-12-02 06:22:22,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:22,539 INFO L435 NwaCegarLoop]: 584 mSDtfsCounter, 4007 mSDsluCounter, 1912 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4007 SdHoareTripleChecker+Valid, 2496 SdHoareTripleChecker+Invalid, 1805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:22,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4007 Valid, 2496 Invalid, 1805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1798 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:22:22,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2024-12-02 06:22:22,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1004. [2024-12-02 06:22:22,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.3553971486761711) internal successors, (1331), 1003 states have internal predecessors, (1331), 0 states have call successors, (0), 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 06:22:22,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1331 transitions. [2024-12-02 06:22:22,549 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1331 transitions. Word has length 98 [2024-12-02 06:22:22,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:22,549 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1331 transitions. [2024-12-02 06:22:22,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1331 transitions. [2024-12-02 06:22:22,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 06:22:22,550 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:22,550 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] [2024-12-02 06:22:22,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 06:22:22,550 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:22,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:22,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1926953537, now seen corresponding path program 1 times [2024-12-02 06:22:22,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:22,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676707664] [2024-12-02 06:22:22,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:22,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:22,794 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 06:22:22,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:22,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676707664] [2024-12-02 06:22:22,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676707664] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:22,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:22,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:22,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577962004] [2024-12-02 06:22:22,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:22,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:22,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:22,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:22,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:22,795 INFO L87 Difference]: Start difference. First operand 1004 states and 1331 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:23,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:23,772 INFO L93 Difference]: Finished difference Result 1623 states and 2156 transitions. [2024-12-02 06:22:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:23,773 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-12-02 06:22:23,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:23,774 INFO L225 Difference]: With dead ends: 1623 [2024-12-02 06:22:23,775 INFO L226 Difference]: Without dead ends: 1474 [2024-12-02 06:22:23,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:23,775 INFO L435 NwaCegarLoop]: 545 mSDtfsCounter, 4150 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 2020 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4150 SdHoareTripleChecker+Valid, 2769 SdHoareTripleChecker+Invalid, 2027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:23,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4150 Valid, 2769 Invalid, 2027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2020 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:22:23,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2024-12-02 06:22:23,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1004. [2024-12-02 06:22:23,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.354378818737271) internal successors, (1330), 1003 states have internal predecessors, (1330), 0 states have call successors, (0), 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 06:22:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1330 transitions. [2024-12-02 06:22:23,792 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1330 transitions. Word has length 98 [2024-12-02 06:22:23,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:23,792 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1330 transitions. [2024-12-02 06:22:23,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1330 transitions. [2024-12-02 06:22:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 06:22:23,793 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:23,793 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] [2024-12-02 06:22:23,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 06:22:23,793 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:23,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:23,793 INFO L85 PathProgramCache]: Analyzing trace with hash -650592069, now seen corresponding path program 1 times [2024-12-02 06:22:23,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:23,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897777338] [2024-12-02 06:22:23,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:23,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:23,975 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 06:22:23,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:23,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897777338] [2024-12-02 06:22:23,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897777338] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:23,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:23,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:23,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021466556] [2024-12-02 06:22:23,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:23,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:23,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:23,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:23,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:23,976 INFO L87 Difference]: Start difference. First operand 1004 states and 1330 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:24,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:24,792 INFO L93 Difference]: Finished difference Result 1684 states and 2252 transitions. [2024-12-02 06:22:24,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:24,792 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-12-02 06:22:24,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:24,794 INFO L225 Difference]: With dead ends: 1684 [2024-12-02 06:22:24,794 INFO L226 Difference]: Without dead ends: 1522 [2024-12-02 06:22:24,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:24,795 INFO L435 NwaCegarLoop]: 586 mSDtfsCounter, 3489 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3489 SdHoareTripleChecker+Valid, 2505 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:24,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3489 Valid, 2505 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1784 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:22:24,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2024-12-02 06:22:24,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1004. [2024-12-02 06:22:24,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.3533604887983706) internal successors, (1329), 1003 states have internal predecessors, (1329), 0 states have call successors, (0), 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 06:22:24,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1329 transitions. [2024-12-02 06:22:24,804 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1329 transitions. Word has length 98 [2024-12-02 06:22:24,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:24,804 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1329 transitions. [2024-12-02 06:22:24,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:24,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1329 transitions. [2024-12-02 06:22:24,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 06:22:24,805 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:24,805 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] [2024-12-02 06:22:24,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 06:22:24,805 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:24,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:24,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1680548315, now seen corresponding path program 1 times [2024-12-02 06:22:24,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:24,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788440572] [2024-12-02 06:22:24,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:24,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:25,029 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 06:22:25,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:25,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788440572] [2024-12-02 06:22:25,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788440572] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:25,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:25,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:25,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191042827] [2024-12-02 06:22:25,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:25,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:25,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:25,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:25,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:25,031 INFO L87 Difference]: Start difference. First operand 1004 states and 1329 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:26,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:26,086 INFO L93 Difference]: Finished difference Result 1791 states and 2412 transitions. [2024-12-02 06:22:26,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:26,086 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-12-02 06:22:26,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:26,088 INFO L225 Difference]: With dead ends: 1791 [2024-12-02 06:22:26,088 INFO L226 Difference]: Without dead ends: 1571 [2024-12-02 06:22:26,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:26,089 INFO L435 NwaCegarLoop]: 821 mSDtfsCounter, 2714 mSDsluCounter, 2675 mSDsCounter, 0 mSdLazyCounter, 2393 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2714 SdHoareTripleChecker+Valid, 3496 SdHoareTripleChecker+Invalid, 2398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:26,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2714 Valid, 3496 Invalid, 2398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2393 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:22:26,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2024-12-02 06:22:26,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 999. [2024-12-02 06:22:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.354145342886387) internal successors, (1323), 998 states have internal predecessors, (1323), 0 states have call successors, (0), 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 06:22:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1323 transitions. [2024-12-02 06:22:26,098 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1323 transitions. Word has length 98 [2024-12-02 06:22:26,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:26,098 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1323 transitions. [2024-12-02 06:22:26,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1323 transitions. [2024-12-02 06:22:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 06:22:26,099 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:26,099 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] [2024-12-02 06:22:26,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 06:22:26,099 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:26,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:26,099 INFO L85 PathProgramCache]: Analyzing trace with hash -542784863, now seen corresponding path program 1 times [2024-12-02 06:22:26,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:26,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490225736] [2024-12-02 06:22:26,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:26,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:26,351 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 06:22:26,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:26,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490225736] [2024-12-02 06:22:26,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490225736] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:26,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:26,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:26,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790027500] [2024-12-02 06:22:26,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:26,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:26,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:26,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:26,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:26,352 INFO L87 Difference]: Start difference. First operand 999 states and 1323 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:27,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:27,302 INFO L93 Difference]: Finished difference Result 1675 states and 2241 transitions. [2024-12-02 06:22:27,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:27,302 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-12-02 06:22:27,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:27,304 INFO L225 Difference]: With dead ends: 1675 [2024-12-02 06:22:27,304 INFO L226 Difference]: Without dead ends: 1517 [2024-12-02 06:22:27,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:27,305 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 3156 mSDsluCounter, 2201 mSDsCounter, 0 mSdLazyCounter, 1951 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3156 SdHoareTripleChecker+Valid, 2788 SdHoareTripleChecker+Invalid, 1957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:27,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3156 Valid, 2788 Invalid, 1957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1951 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:27,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2024-12-02 06:22:27,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 999. [2024-12-02 06:22:27,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.353121801432958) internal successors, (1322), 998 states have internal predecessors, (1322), 0 states have call successors, (0), 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 06:22:27,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1322 transitions. [2024-12-02 06:22:27,313 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1322 transitions. Word has length 98 [2024-12-02 06:22:27,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:27,313 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1322 transitions. [2024-12-02 06:22:27,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 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 06:22:27,313 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1322 transitions. [2024-12-02 06:22:27,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:22:27,313 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:27,314 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] [2024-12-02 06:22:27,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 06:22:27,314 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:27,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:27,314 INFO L85 PathProgramCache]: Analyzing trace with hash -308070434, now seen corresponding path program 1 times [2024-12-02 06:22:27,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:27,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459604057] [2024-12-02 06:22:27,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:27,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:27,511 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 06:22:27,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:27,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459604057] [2024-12-02 06:22:27,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459604057] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:27,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:27,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:27,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832319078] [2024-12-02 06:22:27,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:27,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:27,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:27,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:27,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:27,512 INFO L87 Difference]: Start difference. First operand 999 states and 1322 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:28,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:28,524 INFO L93 Difference]: Finished difference Result 1863 states and 2504 transitions. [2024-12-02 06:22:28,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:28,524 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-12-02 06:22:28,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:28,526 INFO L225 Difference]: With dead ends: 1863 [2024-12-02 06:22:28,526 INFO L226 Difference]: Without dead ends: 1571 [2024-12-02 06:22:28,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:28,527 INFO L435 NwaCegarLoop]: 817 mSDtfsCounter, 1850 mSDsluCounter, 2663 mSDsCounter, 0 mSdLazyCounter, 2375 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 3480 SdHoareTripleChecker+Invalid, 2380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:28,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1850 Valid, 3480 Invalid, 2380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2375 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:22:28,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2024-12-02 06:22:28,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 999. [2024-12-02 06:22:28,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.3510747185261003) internal successors, (1320), 998 states have internal predecessors, (1320), 0 states have call successors, (0), 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 06:22:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1320 transitions. [2024-12-02 06:22:28,534 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1320 transitions. Word has length 99 [2024-12-02 06:22:28,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:28,534 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1320 transitions. [2024-12-02 06:22:28,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:28,535 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1320 transitions. [2024-12-02 06:22:28,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:22:28,535 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:28,535 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] [2024-12-02 06:22:28,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 06:22:28,535 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:28,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:28,536 INFO L85 PathProgramCache]: Analyzing trace with hash 234210846, now seen corresponding path program 1 times [2024-12-02 06:22:28,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:28,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110444356] [2024-12-02 06:22:28,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:28,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:28,750 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 06:22:28,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:28,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110444356] [2024-12-02 06:22:28,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110444356] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:28,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:28,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:28,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221359058] [2024-12-02 06:22:28,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:28,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:28,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:28,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:28,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:28,751 INFO L87 Difference]: Start difference. First operand 999 states and 1320 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:29,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:29,628 INFO L93 Difference]: Finished difference Result 1747 states and 2344 transitions. [2024-12-02 06:22:29,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:29,628 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-12-02 06:22:29,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:29,631 INFO L225 Difference]: With dead ends: 1747 [2024-12-02 06:22:29,631 INFO L226 Difference]: Without dead ends: 1536 [2024-12-02 06:22:29,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:29,631 INFO L435 NwaCegarLoop]: 733 mSDtfsCounter, 4076 mSDsluCounter, 2394 mSDsCounter, 0 mSdLazyCounter, 2095 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4076 SdHoareTripleChecker+Valid, 3127 SdHoareTripleChecker+Invalid, 2102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:29,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4076 Valid, 3127 Invalid, 2102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2095 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:29,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2024-12-02 06:22:29,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 999. [2024-12-02 06:22:29,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.3490276356192425) internal successors, (1318), 998 states have internal predecessors, (1318), 0 states have call successors, (0), 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 06:22:29,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1318 transitions. [2024-12-02 06:22:29,648 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1318 transitions. Word has length 99 [2024-12-02 06:22:29,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:29,648 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1318 transitions. [2024-12-02 06:22:29,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:29,648 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1318 transitions. [2024-12-02 06:22:29,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:22:29,648 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:29,648 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] [2024-12-02 06:22:29,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 06:22:29,649 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:29,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:29,649 INFO L85 PathProgramCache]: Analyzing trace with hash -271572002, now seen corresponding path program 1 times [2024-12-02 06:22:29,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:29,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502190556] [2024-12-02 06:22:29,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:29,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:29,821 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 06:22:29,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:29,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502190556] [2024-12-02 06:22:29,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502190556] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:29,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:29,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:29,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523949390] [2024-12-02 06:22:29,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:29,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:29,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:29,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:29,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:29,823 INFO L87 Difference]: Start difference. First operand 999 states and 1318 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:30,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:30,662 INFO L93 Difference]: Finished difference Result 1627 states and 2153 transitions. [2024-12-02 06:22:30,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:30,662 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-12-02 06:22:30,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:30,664 INFO L225 Difference]: With dead ends: 1627 [2024-12-02 06:22:30,664 INFO L226 Difference]: Without dead ends: 1469 [2024-12-02 06:22:30,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:30,665 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 4617 mSDsluCounter, 1770 mSDsCounter, 0 mSdLazyCounter, 1728 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4617 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:30,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4617 Valid, 2335 Invalid, 1735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1728 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:22:30,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2024-12-02 06:22:30,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 999. [2024-12-02 06:22:30,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.3469805527123848) internal successors, (1316), 998 states have internal predecessors, (1316), 0 states have call successors, (0), 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 06:22:30,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1316 transitions. [2024-12-02 06:22:30,673 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1316 transitions. Word has length 99 [2024-12-02 06:22:30,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:30,674 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1316 transitions. [2024-12-02 06:22:30,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:30,674 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1316 transitions. [2024-12-02 06:22:30,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:22:30,674 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:30,674 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] [2024-12-02 06:22:30,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 06:22:30,674 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:30,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:30,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1756072034, now seen corresponding path program 1 times [2024-12-02 06:22:30,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:30,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853640] [2024-12-02 06:22:30,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:30,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:30,890 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 06:22:30,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:30,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853640] [2024-12-02 06:22:30,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853640] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:30,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:30,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:30,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362520511] [2024-12-02 06:22:30,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:30,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:30,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:30,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:30,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:30,891 INFO L87 Difference]: Start difference. First operand 999 states and 1316 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:31,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:31,800 INFO L93 Difference]: Finished difference Result 1733 states and 2319 transitions. [2024-12-02 06:22:31,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:31,801 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-12-02 06:22:31,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:31,803 INFO L225 Difference]: With dead ends: 1733 [2024-12-02 06:22:31,803 INFO L226 Difference]: Without dead ends: 1536 [2024-12-02 06:22:31,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:31,803 INFO L435 NwaCegarLoop]: 731 mSDtfsCounter, 3723 mSDsluCounter, 2387 mSDsCounter, 0 mSdLazyCounter, 2088 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3723 SdHoareTripleChecker+Valid, 3118 SdHoareTripleChecker+Invalid, 2095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:31,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3723 Valid, 3118 Invalid, 2095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2088 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:31,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2024-12-02 06:22:31,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 999. [2024-12-02 06:22:31,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.344933469805527) internal successors, (1314), 998 states have internal predecessors, (1314), 0 states have call successors, (0), 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 06:22:31,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1314 transitions. [2024-12-02 06:22:31,814 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1314 transitions. Word has length 99 [2024-12-02 06:22:31,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:31,814 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1314 transitions. [2024-12-02 06:22:31,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:31,814 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1314 transitions. [2024-12-02 06:22:31,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:22:31,815 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:31,815 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] [2024-12-02 06:22:31,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 06:22:31,815 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:31,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:31,816 INFO L85 PathProgramCache]: Analyzing trace with hash 786851038, now seen corresponding path program 1 times [2024-12-02 06:22:31,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:31,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605599623] [2024-12-02 06:22:31,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:31,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:32,015 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 06:22:32,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:32,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605599623] [2024-12-02 06:22:32,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605599623] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:32,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:32,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:32,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930742159] [2024-12-02 06:22:32,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:32,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:32,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:32,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:32,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:32,016 INFO L87 Difference]: Start difference. First operand 999 states and 1314 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:32,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:32,824 INFO L93 Difference]: Finished difference Result 1475 states and 1921 transitions. [2024-12-02 06:22:32,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:32,824 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-12-02 06:22:32,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:32,827 INFO L225 Difference]: With dead ends: 1475 [2024-12-02 06:22:32,827 INFO L226 Difference]: Without dead ends: 1469 [2024-12-02 06:22:32,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:32,828 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 3491 mSDsluCounter, 1770 mSDsCounter, 0 mSdLazyCounter, 1720 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3491 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 1727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:32,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3491 Valid, 2335 Invalid, 1727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1720 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:22:32,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2024-12-02 06:22:32,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 999. [2024-12-02 06:22:32,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 977 states have (on average 1.3428863868986693) internal successors, (1312), 998 states have internal predecessors, (1312), 0 states have call successors, (0), 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 06:22:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1312 transitions. [2024-12-02 06:22:32,839 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1312 transitions. Word has length 99 [2024-12-02 06:22:32,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:32,840 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1312 transitions. [2024-12-02 06:22:32,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:32,840 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1312 transitions. [2024-12-02 06:22:32,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:22:32,841 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:32,841 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] [2024-12-02 06:22:32,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 06:22:32,841 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:32,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:32,841 INFO L85 PathProgramCache]: Analyzing trace with hash -370973194, now seen corresponding path program 1 times [2024-12-02 06:22:32,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:32,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550084543] [2024-12-02 06:22:32,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:32,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:33,091 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 06:22:33,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:33,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550084543] [2024-12-02 06:22:33,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550084543] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:33,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:33,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:33,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883673409] [2024-12-02 06:22:33,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:33,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:33,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:33,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:33,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:33,093 INFO L87 Difference]: Start difference. First operand 999 states and 1312 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:34,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:34,027 INFO L93 Difference]: Finished difference Result 1617 states and 2132 transitions. [2024-12-02 06:22:34,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:34,027 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-12-02 06:22:34,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:34,029 INFO L225 Difference]: With dead ends: 1617 [2024-12-02 06:22:34,029 INFO L226 Difference]: Without dead ends: 1467 [2024-12-02 06:22:34,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:34,030 INFO L435 NwaCegarLoop]: 564 mSDtfsCounter, 4066 mSDsluCounter, 2279 mSDsCounter, 0 mSdLazyCounter, 2022 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4066 SdHoareTripleChecker+Valid, 2843 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:34,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4066 Valid, 2843 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2022 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:34,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2024-12-02 06:22:34,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 997. [2024-12-02 06:22:34,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 997 states, 975 states have (on average 1.3415384615384616) internal successors, (1308), 996 states have internal predecessors, (1308), 0 states have call successors, (0), 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 06:22:34,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1308 transitions. [2024-12-02 06:22:34,040 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1308 transitions. Word has length 99 [2024-12-02 06:22:34,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:34,040 INFO L471 AbstractCegarLoop]: Abstraction has 997 states and 1308 transitions. [2024-12-02 06:22:34,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:34,041 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1308 transitions. [2024-12-02 06:22:34,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:22:34,041 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:34,041 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] [2024-12-02 06:22:34,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 06:22:34,042 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:34,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:34,042 INFO L85 PathProgramCache]: Analyzing trace with hash 193533868, now seen corresponding path program 1 times [2024-12-02 06:22:34,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:34,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373823788] [2024-12-02 06:22:34,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:34,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:34,267 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 06:22:34,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:34,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373823788] [2024-12-02 06:22:34,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373823788] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:34,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:34,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:34,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060084783] [2024-12-02 06:22:34,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:34,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:34,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:34,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:34,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:34,269 INFO L87 Difference]: Start difference. First operand 997 states and 1308 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:35,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:35,179 INFO L93 Difference]: Finished difference Result 1615 states and 2128 transitions. [2024-12-02 06:22:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:35,179 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-12-02 06:22:35,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:35,182 INFO L225 Difference]: With dead ends: 1615 [2024-12-02 06:22:35,182 INFO L226 Difference]: Without dead ends: 1466 [2024-12-02 06:22:35,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:35,183 INFO L435 NwaCegarLoop]: 564 mSDtfsCounter, 4058 mSDsluCounter, 2279 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4058 SdHoareTripleChecker+Valid, 2843 SdHoareTripleChecker+Invalid, 2021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:35,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4058 Valid, 2843 Invalid, 2021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:35,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states. [2024-12-02 06:22:35,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 996. [2024-12-02 06:22:35,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 996 states, 974 states have (on average 1.3408624229979467) internal successors, (1306), 995 states have internal predecessors, (1306), 0 states have call successors, (0), 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 06:22:35,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1306 transitions. [2024-12-02 06:22:35,194 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1306 transitions. Word has length 99 [2024-12-02 06:22:35,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:35,194 INFO L471 AbstractCegarLoop]: Abstraction has 996 states and 1306 transitions. [2024-12-02 06:22:35,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1306 transitions. [2024-12-02 06:22:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:22:35,196 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:35,196 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] [2024-12-02 06:22:35,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 06:22:35,196 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:35,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:35,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1237089452, now seen corresponding path program 1 times [2024-12-02 06:22:35,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:35,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150579656] [2024-12-02 06:22:35,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:35,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:35,455 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 06:22:35,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:35,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150579656] [2024-12-02 06:22:35,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150579656] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:35,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:35,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:35,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805116154] [2024-12-02 06:22:35,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:35,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:35,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:35,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:35,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:35,457 INFO L87 Difference]: Start difference. First operand 996 states and 1306 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:36,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:36,407 INFO L93 Difference]: Finished difference Result 1614 states and 2126 transitions. [2024-12-02 06:22:36,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:36,407 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-12-02 06:22:36,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:36,409 INFO L225 Difference]: With dead ends: 1614 [2024-12-02 06:22:36,409 INFO L226 Difference]: Without dead ends: 1465 [2024-12-02 06:22:36,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:36,409 INFO L435 NwaCegarLoop]: 632 mSDtfsCounter, 3089 mSDsluCounter, 2483 mSDsCounter, 0 mSdLazyCounter, 2175 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3089 SdHoareTripleChecker+Valid, 3115 SdHoareTripleChecker+Invalid, 2180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:36,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3089 Valid, 3115 Invalid, 2180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2175 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:36,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2024-12-02 06:22:36,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 995. [2024-12-02 06:22:36,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 995 states, 973 states have (on average 1.3401849948612539) internal successors, (1304), 994 states have internal predecessors, (1304), 0 states have call successors, (0), 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 06:22:36,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1304 transitions. [2024-12-02 06:22:36,416 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1304 transitions. Word has length 99 [2024-12-02 06:22:36,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:36,416 INFO L471 AbstractCegarLoop]: Abstraction has 995 states and 1304 transitions. [2024-12-02 06:22:36,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:36,416 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1304 transitions. [2024-12-02 06:22:36,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:22:36,417 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:36,417 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] [2024-12-02 06:22:36,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 06:22:36,417 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:36,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:36,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1049556564, now seen corresponding path program 1 times [2024-12-02 06:22:36,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:36,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891312002] [2024-12-02 06:22:36,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:36,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:36,625 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 06:22:36,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:36,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891312002] [2024-12-02 06:22:36,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891312002] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:36,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:36,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:36,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584502575] [2024-12-02 06:22:36,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:36,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:36,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:36,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:36,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:36,626 INFO L87 Difference]: Start difference. First operand 995 states and 1304 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:37,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:37,456 INFO L93 Difference]: Finished difference Result 1612 states and 2123 transitions. [2024-12-02 06:22:37,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:37,456 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-12-02 06:22:37,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:37,457 INFO L225 Difference]: With dead ends: 1612 [2024-12-02 06:22:37,458 INFO L226 Difference]: Without dead ends: 1463 [2024-12-02 06:22:37,458 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:37,458 INFO L435 NwaCegarLoop]: 561 mSDtfsCounter, 4003 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4003 SdHoareTripleChecker+Valid, 2320 SdHoareTripleChecker+Invalid, 1697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:37,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4003 Valid, 2320 Invalid, 1697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1690 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:22:37,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2024-12-02 06:22:37,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 994. [2024-12-02 06:22:37,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3395061728395061) internal successors, (1302), 993 states have internal predecessors, (1302), 0 states have call successors, (0), 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 06:22:37,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1302 transitions. [2024-12-02 06:22:37,465 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1302 transitions. Word has length 99 [2024-12-02 06:22:37,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:37,465 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1302 transitions. [2024-12-02 06:22:37,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:37,465 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1302 transitions. [2024-12-02 06:22:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:22:37,466 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:37,466 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] [2024-12-02 06:22:37,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 06:22:37,466 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:37,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:37,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1664921314, now seen corresponding path program 1 times [2024-12-02 06:22:37,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:37,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794418023] [2024-12-02 06:22:37,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:37,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:38,044 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 06:22:38,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:38,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794418023] [2024-12-02 06:22:38,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794418023] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:38,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:38,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:22:38,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544531735] [2024-12-02 06:22:38,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:38,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:22:38,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:38,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:22:38,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:22:38,045 INFO L87 Difference]: Start difference. First operand 994 states and 1302 transitions. Second operand has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:39,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:39,099 INFO L93 Difference]: Finished difference Result 2437 states and 3210 transitions. [2024-12-02 06:22:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:22:39,099 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-12-02 06:22:39,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:39,101 INFO L225 Difference]: With dead ends: 2437 [2024-12-02 06:22:39,101 INFO L226 Difference]: Without dead ends: 2284 [2024-12-02 06:22:39,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:22:39,102 INFO L435 NwaCegarLoop]: 1077 mSDtfsCounter, 4218 mSDsluCounter, 7205 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4218 SdHoareTripleChecker+Valid, 8282 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:39,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4218 Valid, 8282 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:22:39,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2024-12-02 06:22:39,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 989. [2024-12-02 06:22:39,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 967 states have (on average 1.3381592554291624) internal successors, (1294), 988 states have internal predecessors, (1294), 0 states have call successors, (0), 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 06:22:39,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1294 transitions. [2024-12-02 06:22:39,110 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1294 transitions. Word has length 99 [2024-12-02 06:22:39,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:39,110 INFO L471 AbstractCegarLoop]: Abstraction has 989 states and 1294 transitions. [2024-12-02 06:22:39,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.615384615384615) internal successors, (99), 13 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:39,111 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1294 transitions. [2024-12-02 06:22:39,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:22:39,111 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:39,111 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] [2024-12-02 06:22:39,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 06:22:39,111 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:39,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:39,112 INFO L85 PathProgramCache]: Analyzing trace with hash 703065305, now seen corresponding path program 1 times [2024-12-02 06:22:39,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:39,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959103092] [2024-12-02 06:22:39,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:39,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:39,310 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 06:22:39,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:39,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959103092] [2024-12-02 06:22:39,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959103092] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:39,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:39,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:39,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976366497] [2024-12-02 06:22:39,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:39,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:39,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:39,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:39,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:39,311 INFO L87 Difference]: Start difference. First operand 989 states and 1294 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:40,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:40,302 INFO L93 Difference]: Finished difference Result 1702 states and 2266 transitions. [2024-12-02 06:22:40,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:40,303 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-12-02 06:22:40,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:40,304 INFO L225 Difference]: With dead ends: 1702 [2024-12-02 06:22:40,304 INFO L226 Difference]: Without dead ends: 1525 [2024-12-02 06:22:40,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:40,304 INFO L435 NwaCegarLoop]: 746 mSDtfsCounter, 1927 mSDsluCounter, 2430 mSDsCounter, 0 mSdLazyCounter, 2087 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 3176 SdHoareTripleChecker+Invalid, 2093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:40,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1927 Valid, 3176 Invalid, 2093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2087 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:22:40,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2024-12-02 06:22:40,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 984. [2024-12-02 06:22:40,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.338877338877339) internal successors, (1288), 983 states have internal predecessors, (1288), 0 states have call successors, (0), 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 06:22:40,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1288 transitions. [2024-12-02 06:22:40,311 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1288 transitions. Word has length 99 [2024-12-02 06:22:40,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:40,311 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1288 transitions. [2024-12-02 06:22:40,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:40,311 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1288 transitions. [2024-12-02 06:22:40,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:22:40,312 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:40,312 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] [2024-12-02 06:22:40,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-02 06:22:40,312 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:40,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:40,312 INFO L85 PathProgramCache]: Analyzing trace with hash -178103298, now seen corresponding path program 1 times [2024-12-02 06:22:40,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:40,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504997282] [2024-12-02 06:22:40,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:40,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:40,498 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 06:22:40,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:40,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504997282] [2024-12-02 06:22:40,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504997282] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:40,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:40,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:40,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008670321] [2024-12-02 06:22:40,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:40,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:40,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:40,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:40,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:40,499 INFO L87 Difference]: Start difference. First operand 984 states and 1288 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:41,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:41,380 INFO L93 Difference]: Finished difference Result 1663 states and 2208 transitions. [2024-12-02 06:22:41,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:41,381 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-12-02 06:22:41,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:41,382 INFO L225 Difference]: With dead ends: 1663 [2024-12-02 06:22:41,382 INFO L226 Difference]: Without dead ends: 1501 [2024-12-02 06:22:41,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:41,383 INFO L435 NwaCegarLoop]: 657 mSDtfsCounter, 3604 mSDsluCounter, 2126 mSDsCounter, 0 mSdLazyCounter, 1891 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3604 SdHoareTripleChecker+Valid, 2783 SdHoareTripleChecker+Invalid, 1898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:41,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3604 Valid, 2783 Invalid, 1898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1891 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:41,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2024-12-02 06:22:41,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 984. [2024-12-02 06:22:41,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.337837837837838) internal successors, (1287), 983 states have internal predecessors, (1287), 0 states have call successors, (0), 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 06:22:41,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1287 transitions. [2024-12-02 06:22:41,390 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1287 transitions. Word has length 99 [2024-12-02 06:22:41,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:41,390 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1287 transitions. [2024-12-02 06:22:41,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:41,390 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1287 transitions. [2024-12-02 06:22:41,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-02 06:22:41,391 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:41,391 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] [2024-12-02 06:22:41,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-02 06:22:41,391 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:41,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:41,392 INFO L85 PathProgramCache]: Analyzing trace with hash -679193058, now seen corresponding path program 1 times [2024-12-02 06:22:41,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:41,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303063278] [2024-12-02 06:22:41,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:41,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:41,582 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 06:22:41,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:41,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303063278] [2024-12-02 06:22:41,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303063278] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:41,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:41,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:41,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245938716] [2024-12-02 06:22:41,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:41,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:41,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:41,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:41,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:41,583 INFO L87 Difference]: Start difference. First operand 984 states and 1287 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:42,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:42,591 INFO L93 Difference]: Finished difference Result 1711 states and 2274 transitions. [2024-12-02 06:22:42,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:42,591 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-12-02 06:22:42,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:42,592 INFO L225 Difference]: With dead ends: 1711 [2024-12-02 06:22:42,592 INFO L226 Difference]: Without dead ends: 1525 [2024-12-02 06:22:42,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:42,593 INFO L435 NwaCegarLoop]: 746 mSDtfsCounter, 3827 mSDsluCounter, 2430 mSDsCounter, 0 mSdLazyCounter, 2074 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3827 SdHoareTripleChecker+Valid, 3176 SdHoareTripleChecker+Invalid, 2081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:42,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3827 Valid, 3176 Invalid, 2081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2074 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:22:42,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2024-12-02 06:22:42,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 984. [2024-12-02 06:22:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3367983367983367) internal successors, (1286), 983 states have internal predecessors, (1286), 0 states have call successors, (0), 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 06:22:42,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1286 transitions. [2024-12-02 06:22:42,600 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1286 transitions. Word has length 99 [2024-12-02 06:22:42,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:42,600 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1286 transitions. [2024-12-02 06:22:42,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 06:22:42,600 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1286 transitions. [2024-12-02 06:22:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:22:42,601 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:42,601 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] [2024-12-02 06:22:42,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-12-02 06:22:42,601 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:42,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:42,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1060069596, now seen corresponding path program 1 times [2024-12-02 06:22:42,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:42,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901806429] [2024-12-02 06:22:42,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:42,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:42,821 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 06:22:42,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:42,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901806429] [2024-12-02 06:22:42,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901806429] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:42,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:42,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:42,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816046858] [2024-12-02 06:22:42,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:42,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:42,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:42,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:42,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:42,822 INFO L87 Difference]: Start difference. First operand 984 states and 1286 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:43,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:43,760 INFO L93 Difference]: Finished difference Result 1607 states and 2110 transitions. [2024-12-02 06:22:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:43,761 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 06:22:43,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:43,761 INFO L225 Difference]: With dead ends: 1607 [2024-12-02 06:22:43,762 INFO L226 Difference]: Without dead ends: 1453 [2024-12-02 06:22:43,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:43,762 INFO L435 NwaCegarLoop]: 570 mSDtfsCounter, 3969 mSDsluCounter, 2296 mSDsCounter, 0 mSdLazyCounter, 1983 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3969 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:43,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3969 Valid, 2866 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1983 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:43,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-12-02 06:22:43,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 984. [2024-12-02 06:22:43,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3347193347193347) internal successors, (1284), 983 states have internal predecessors, (1284), 0 states have call successors, (0), 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 06:22:43,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1284 transitions. [2024-12-02 06:22:43,769 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1284 transitions. Word has length 100 [2024-12-02 06:22:43,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:43,769 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1284 transitions. [2024-12-02 06:22:43,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:43,770 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1284 transitions. [2024-12-02 06:22:43,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:22:43,770 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:43,770 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] [2024-12-02 06:22:43,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-12-02 06:22:43,770 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:43,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:43,771 INFO L85 PathProgramCache]: Analyzing trace with hash -253824772, now seen corresponding path program 1 times [2024-12-02 06:22:43,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:43,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966414009] [2024-12-02 06:22:43,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:43,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:43,986 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 06:22:43,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:43,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966414009] [2024-12-02 06:22:43,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966414009] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:43,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:43,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:43,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907514987] [2024-12-02 06:22:43,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:43,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:43,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:43,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:43,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:43,987 INFO L87 Difference]: Start difference. First operand 984 states and 1284 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:45,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:45,002 INFO L93 Difference]: Finished difference Result 1675 states and 2217 transitions. [2024-12-02 06:22:45,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:45,003 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 06:22:45,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:45,004 INFO L225 Difference]: With dead ends: 1675 [2024-12-02 06:22:45,004 INFO L226 Difference]: Without dead ends: 1501 [2024-12-02 06:22:45,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:45,004 INFO L435 NwaCegarLoop]: 690 mSDtfsCounter, 3739 mSDsluCounter, 2784 mSDsCounter, 0 mSdLazyCounter, 2282 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3739 SdHoareTripleChecker+Valid, 3474 SdHoareTripleChecker+Invalid, 2289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:45,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3739 Valid, 3474 Invalid, 2289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2282 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:22:45,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2024-12-02 06:22:45,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 984. [2024-12-02 06:22:45,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3326403326403327) internal successors, (1282), 983 states have internal predecessors, (1282), 0 states have call successors, (0), 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 06:22:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1282 transitions. [2024-12-02 06:22:45,011 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1282 transitions. Word has length 100 [2024-12-02 06:22:45,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:45,011 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1282 transitions. [2024-12-02 06:22:45,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:45,011 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1282 transitions. [2024-12-02 06:22:45,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:22:45,012 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:45,012 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] [2024-12-02 06:22:45,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-12-02 06:22:45,012 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:45,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:45,012 INFO L85 PathProgramCache]: Analyzing trace with hash 2105960988, now seen corresponding path program 1 times [2024-12-02 06:22:45,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:45,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832994292] [2024-12-02 06:22:45,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:45,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:45,236 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 06:22:45,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:45,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832994292] [2024-12-02 06:22:45,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832994292] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:45,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:45,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:45,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210487745] [2024-12-02 06:22:45,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:45,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:45,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:45,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:45,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:45,238 INFO L87 Difference]: Start difference. First operand 984 states and 1282 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:46,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:46,172 INFO L93 Difference]: Finished difference Result 1607 states and 2106 transitions. [2024-12-02 06:22:46,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:46,172 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 06:22:46,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:46,173 INFO L225 Difference]: With dead ends: 1607 [2024-12-02 06:22:46,173 INFO L226 Difference]: Without dead ends: 1453 [2024-12-02 06:22:46,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:46,174 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 3942 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 1991 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3942 SdHoareTripleChecker+Valid, 2913 SdHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:46,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3942 Valid, 2913 Invalid, 1998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1991 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:46,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-12-02 06:22:46,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 984. [2024-12-02 06:22:46,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3305613305613306) internal successors, (1280), 983 states have internal predecessors, (1280), 0 states have call successors, (0), 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 06:22:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1280 transitions. [2024-12-02 06:22:46,181 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1280 transitions. Word has length 100 [2024-12-02 06:22:46,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:46,181 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1280 transitions. [2024-12-02 06:22:46,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:46,181 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1280 transitions. [2024-12-02 06:22:46,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:22:46,182 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:46,182 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] [2024-12-02 06:22:46,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-12-02 06:22:46,182 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:46,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:46,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1799923268, now seen corresponding path program 1 times [2024-12-02 06:22:46,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:46,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626947313] [2024-12-02 06:22:46,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:46,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:46,390 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 06:22:46,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:46,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626947313] [2024-12-02 06:22:46,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626947313] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:46,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:46,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:46,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660232065] [2024-12-02 06:22:46,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:46,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:46,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:46,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:46,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:46,392 INFO L87 Difference]: Start difference. First operand 984 states and 1280 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:47,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:47,218 INFO L93 Difference]: Finished difference Result 1670 states and 2206 transitions. [2024-12-02 06:22:47,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:47,218 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 06:22:47,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:47,220 INFO L225 Difference]: With dead ends: 1670 [2024-12-02 06:22:47,220 INFO L226 Difference]: Without dead ends: 1501 [2024-12-02 06:22:47,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:47,221 INFO L435 NwaCegarLoop]: 746 mSDtfsCounter, 2786 mSDsluCounter, 2675 mSDsCounter, 0 mSdLazyCounter, 2269 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2786 SdHoareTripleChecker+Valid, 3421 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:47,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2786 Valid, 3421 Invalid, 2274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2269 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:22:47,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2024-12-02 06:22:47,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 984. [2024-12-02 06:22:47,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3284823284823284) internal successors, (1278), 983 states have internal predecessors, (1278), 0 states have call successors, (0), 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 06:22:47,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1278 transitions. [2024-12-02 06:22:47,229 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1278 transitions. Word has length 100 [2024-12-02 06:22:47,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:47,230 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1278 transitions. [2024-12-02 06:22:47,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:47,230 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1278 transitions. [2024-12-02 06:22:47,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:22:47,231 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:47,231 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] [2024-12-02 06:22:47,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-12-02 06:22:47,231 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:47,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:47,231 INFO L85 PathProgramCache]: Analyzing trace with hash -41033476, now seen corresponding path program 1 times [2024-12-02 06:22:47,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:47,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814279056] [2024-12-02 06:22:47,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:47,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:47,438 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 06:22:47,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:47,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814279056] [2024-12-02 06:22:47,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814279056] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:47,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:47,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:47,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092841089] [2024-12-02 06:22:47,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:47,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:47,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:47,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:47,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:47,439 INFO L87 Difference]: Start difference. First operand 984 states and 1278 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:48,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:48,341 INFO L93 Difference]: Finished difference Result 1607 states and 2102 transitions. [2024-12-02 06:22:48,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:48,341 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 06:22:48,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:48,342 INFO L225 Difference]: With dead ends: 1607 [2024-12-02 06:22:48,342 INFO L226 Difference]: Without dead ends: 1453 [2024-12-02 06:22:48,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:48,343 INFO L435 NwaCegarLoop]: 648 mSDtfsCounter, 3778 mSDsluCounter, 2019 mSDsCounter, 0 mSdLazyCounter, 1869 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3778 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 1875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:48,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3778 Valid, 2667 Invalid, 1875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1869 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:48,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-12-02 06:22:48,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 984. [2024-12-02 06:22:48,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3264033264033264) internal successors, (1276), 983 states have internal predecessors, (1276), 0 states have call successors, (0), 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 06:22:48,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1276 transitions. [2024-12-02 06:22:48,350 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1276 transitions. Word has length 100 [2024-12-02 06:22:48,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:48,350 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1276 transitions. [2024-12-02 06:22:48,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:48,350 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1276 transitions. [2024-12-02 06:22:48,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:22:48,351 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:48,351 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] [2024-12-02 06:22:48,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-12-02 06:22:48,351 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:48,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:48,351 INFO L85 PathProgramCache]: Analyzing trace with hash 361781404, now seen corresponding path program 1 times [2024-12-02 06:22:48,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:48,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043509119] [2024-12-02 06:22:48,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:48,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:48,543 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 06:22:48,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:48,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043509119] [2024-12-02 06:22:48,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043509119] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:48,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:48,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:48,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842096397] [2024-12-02 06:22:48,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:48,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:48,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:48,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:48,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:48,545 INFO L87 Difference]: Start difference. First operand 984 states and 1276 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:49,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:49,389 INFO L93 Difference]: Finished difference Result 1607 states and 2100 transitions. [2024-12-02 06:22:49,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:49,389 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 06:22:49,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:49,390 INFO L225 Difference]: With dead ends: 1607 [2024-12-02 06:22:49,390 INFO L226 Difference]: Without dead ends: 1453 [2024-12-02 06:22:49,391 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:49,391 INFO L435 NwaCegarLoop]: 589 mSDtfsCounter, 2230 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1701 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 2428 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:49,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 2428 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1701 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:22:49,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-12-02 06:22:49,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 984. [2024-12-02 06:22:49,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3243243243243243) internal successors, (1274), 983 states have internal predecessors, (1274), 0 states have call successors, (0), 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 06:22:49,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1274 transitions. [2024-12-02 06:22:49,398 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1274 transitions. Word has length 100 [2024-12-02 06:22:49,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:49,398 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1274 transitions. [2024-12-02 06:22:49,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:49,398 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1274 transitions. [2024-12-02 06:22:49,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:22:49,399 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:49,399 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] [2024-12-02 06:22:49,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-12-02 06:22:49,400 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:49,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:49,400 INFO L85 PathProgramCache]: Analyzing trace with hash 489610460, now seen corresponding path program 1 times [2024-12-02 06:22:49,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:49,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340441640] [2024-12-02 06:22:49,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:49,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:49,618 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 06:22:49,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:49,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340441640] [2024-12-02 06:22:49,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340441640] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:49,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:49,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:49,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930011013] [2024-12-02 06:22:49,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:49,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:49,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:49,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:49,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:49,619 INFO L87 Difference]: Start difference. First operand 984 states and 1274 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:50,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:50,563 INFO L93 Difference]: Finished difference Result 1604 states and 2093 transitions. [2024-12-02 06:22:50,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:50,563 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 06:22:50,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:50,564 INFO L225 Difference]: With dead ends: 1604 [2024-12-02 06:22:50,564 INFO L226 Difference]: Without dead ends: 1453 [2024-12-02 06:22:50,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:50,564 INFO L435 NwaCegarLoop]: 592 mSDtfsCounter, 3908 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3908 SdHoareTripleChecker+Valid, 2952 SdHoareTripleChecker+Invalid, 1995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:50,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3908 Valid, 2952 Invalid, 1995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1988 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:50,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-12-02 06:22:50,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 984. [2024-12-02 06:22:50,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 962 states have (on average 1.3232848232848233) internal successors, (1273), 983 states have internal predecessors, (1273), 0 states have call successors, (0), 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 06:22:50,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1273 transitions. [2024-12-02 06:22:50,571 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1273 transitions. Word has length 100 [2024-12-02 06:22:50,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:50,571 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1273 transitions. [2024-12-02 06:22:50,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:50,571 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1273 transitions. [2024-12-02 06:22:50,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:22:50,571 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:50,571 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] [2024-12-02 06:22:50,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-12-02 06:22:50,571 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:50,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:50,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1868837564, now seen corresponding path program 1 times [2024-12-02 06:22:50,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:50,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798519459] [2024-12-02 06:22:50,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:50,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:50,913 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 06:22:50,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:50,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798519459] [2024-12-02 06:22:50,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798519459] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:50,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:50,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 06:22:50,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110749131] [2024-12-02 06:22:50,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:50,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:22:50,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:50,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:22:50,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:22:50,914 INFO L87 Difference]: Start difference. First operand 984 states and 1273 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:52,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:52,229 INFO L93 Difference]: Finished difference Result 2115 states and 2847 transitions. [2024-12-02 06:22:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 06:22:52,229 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 06:22:52,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:52,230 INFO L225 Difference]: With dead ends: 2115 [2024-12-02 06:22:52,231 INFO L226 Difference]: Without dead ends: 1953 [2024-12-02 06:22:52,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 06:22:52,231 INFO L435 NwaCegarLoop]: 684 mSDtfsCounter, 6167 mSDsluCounter, 2411 mSDsCounter, 0 mSdLazyCounter, 2075 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6167 SdHoareTripleChecker+Valid, 3095 SdHoareTripleChecker+Invalid, 2279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 2075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:52,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6167 Valid, 3095 Invalid, 2279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 2075 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 06:22:52,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2024-12-02 06:22:52,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 989. [2024-12-02 06:22:52,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 967 states have (on average 1.3216132368148914) internal successors, (1278), 988 states have internal predecessors, (1278), 0 states have call successors, (0), 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 06:22:52,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1278 transitions. [2024-12-02 06:22:52,239 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1278 transitions. Word has length 100 [2024-12-02 06:22:52,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:52,239 INFO L471 AbstractCegarLoop]: Abstraction has 989 states and 1278 transitions. [2024-12-02 06:22:52,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:52,239 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1278 transitions. [2024-12-02 06:22:52,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:22:52,240 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:52,240 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] [2024-12-02 06:22:52,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-12-02 06:22:52,240 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:52,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:52,240 INFO L85 PathProgramCache]: Analyzing trace with hash 930233820, now seen corresponding path program 1 times [2024-12-02 06:22:52,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:52,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781281367] [2024-12-02 06:22:52,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:52,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:52,574 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 06:22:52,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:52,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781281367] [2024-12-02 06:22:52,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781281367] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:52,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:52,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 06:22:52,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159303543] [2024-12-02 06:22:52,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:52,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:22:52,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:52,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:22:52,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:22:52,575 INFO L87 Difference]: Start difference. First operand 989 states and 1278 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:53,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:53,925 INFO L93 Difference]: Finished difference Result 1981 states and 2637 transitions. [2024-12-02 06:22:53,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 06:22:53,926 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 06:22:53,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:53,927 INFO L225 Difference]: With dead ends: 1981 [2024-12-02 06:22:53,927 INFO L226 Difference]: Without dead ends: 1830 [2024-12-02 06:22:53,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 06:22:53,928 INFO L435 NwaCegarLoop]: 636 mSDtfsCounter, 5691 mSDsluCounter, 2185 mSDsCounter, 0 mSdLazyCounter, 2021 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5691 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 2238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 2021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:53,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5691 Valid, 2821 Invalid, 2238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 2021 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 06:22:53,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2024-12-02 06:22:53,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 994. [2024-12-02 06:22:53,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3199588477366255) internal successors, (1283), 993 states have internal predecessors, (1283), 0 states have call successors, (0), 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 06:22:53,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1283 transitions. [2024-12-02 06:22:53,938 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1283 transitions. Word has length 100 [2024-12-02 06:22:53,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:53,938 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1283 transitions. [2024-12-02 06:22:53,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 11 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:53,938 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1283 transitions. [2024-12-02 06:22:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:22:53,939 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:53,939 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] [2024-12-02 06:22:53,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-12-02 06:22:53,939 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:53,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:53,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1626725788, now seen corresponding path program 1 times [2024-12-02 06:22:53,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:53,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662597502] [2024-12-02 06:22:53,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:53,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:54,130 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 06:22:54,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:54,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662597502] [2024-12-02 06:22:54,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662597502] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:54,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:54,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:54,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53599171] [2024-12-02 06:22:54,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:54,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:54,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:54,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:54,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:54,132 INFO L87 Difference]: Start difference. First operand 994 states and 1283 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:54,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:54,952 INFO L93 Difference]: Finished difference Result 1609 states and 2096 transitions. [2024-12-02 06:22:54,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:54,952 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 06:22:54,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:54,953 INFO L225 Difference]: With dead ends: 1609 [2024-12-02 06:22:54,953 INFO L226 Difference]: Without dead ends: 1458 [2024-12-02 06:22:54,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:54,954 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 2633 mSDsluCounter, 1833 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2633 SdHoareTripleChecker+Valid, 2420 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:54,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2633 Valid, 2420 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1679 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:22:54,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2024-12-02 06:22:54,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 994. [2024-12-02 06:22:54,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3189300411522633) internal successors, (1282), 993 states have internal predecessors, (1282), 0 states have call successors, (0), 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 06:22:54,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1282 transitions. [2024-12-02 06:22:54,961 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1282 transitions. Word has length 100 [2024-12-02 06:22:54,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:54,961 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1282 transitions. [2024-12-02 06:22:54,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:54,961 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1282 transitions. [2024-12-02 06:22:54,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:22:54,962 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:54,962 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] [2024-12-02 06:22:54,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-12-02 06:22:54,962 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:54,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:54,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1268155292, now seen corresponding path program 1 times [2024-12-02 06:22:54,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:54,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503701467] [2024-12-02 06:22:54,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:54,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:55,189 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 06:22:55,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:55,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503701467] [2024-12-02 06:22:55,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503701467] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:55,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:55,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:55,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418121564] [2024-12-02 06:22:55,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:55,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:55,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:55,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:55,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:55,190 INFO L87 Difference]: Start difference. First operand 994 states and 1282 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:56,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:56,177 INFO L93 Difference]: Finished difference Result 1609 states and 2094 transitions. [2024-12-02 06:22:56,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:56,177 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 06:22:56,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:56,178 INFO L225 Difference]: With dead ends: 1609 [2024-12-02 06:22:56,178 INFO L226 Difference]: Without dead ends: 1458 [2024-12-02 06:22:56,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:56,179 INFO L435 NwaCegarLoop]: 644 mSDtfsCounter, 3805 mSDsluCounter, 2514 mSDsCounter, 0 mSdLazyCounter, 2141 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3805 SdHoareTripleChecker+Valid, 3158 SdHoareTripleChecker+Invalid, 2147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:56,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3805 Valid, 3158 Invalid, 2147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2141 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:22:56,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2024-12-02 06:22:56,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 994. [2024-12-02 06:22:56,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3179012345679013) internal successors, (1281), 993 states have internal predecessors, (1281), 0 states have call successors, (0), 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 06:22:56,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1281 transitions. [2024-12-02 06:22:56,186 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1281 transitions. Word has length 100 [2024-12-02 06:22:56,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:56,186 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1281 transitions. [2024-12-02 06:22:56,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:56,186 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1281 transitions. [2024-12-02 06:22:56,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:22:56,186 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:56,186 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] [2024-12-02 06:22:56,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-12-02 06:22:56,187 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:56,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:56,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1688175644, now seen corresponding path program 1 times [2024-12-02 06:22:56,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:56,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373507858] [2024-12-02 06:22:56,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:56,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:56,382 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 06:22:56,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:56,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373507858] [2024-12-02 06:22:56,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373507858] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:56,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:56,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:56,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933635976] [2024-12-02 06:22:56,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:56,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:56,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:56,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:56,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:56,383 INFO L87 Difference]: Start difference. First operand 994 states and 1281 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:57,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:57,253 INFO L93 Difference]: Finished difference Result 1609 states and 2093 transitions. [2024-12-02 06:22:57,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:22:57,254 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 06:22:57,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:57,255 INFO L225 Difference]: With dead ends: 1609 [2024-12-02 06:22:57,255 INFO L226 Difference]: Without dead ends: 1458 [2024-12-02 06:22:57,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:22:57,255 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 4342 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4342 SdHoareTripleChecker+Valid, 2411 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:57,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4342 Valid, 2411 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1675 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:57,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2024-12-02 06:22:57,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 994. [2024-12-02 06:22:57,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.316872427983539) internal successors, (1280), 993 states have internal predecessors, (1280), 0 states have call successors, (0), 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 06:22:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1280 transitions. [2024-12-02 06:22:57,262 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1280 transitions. Word has length 100 [2024-12-02 06:22:57,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:57,262 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1280 transitions. [2024-12-02 06:22:57,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1280 transitions. [2024-12-02 06:22:57,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:22:57,263 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:57,263 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] [2024-12-02 06:22:57,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-12-02 06:22:57,263 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:57,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:57,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1307086337, now seen corresponding path program 1 times [2024-12-02 06:22:57,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:57,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187975323] [2024-12-02 06:22:57,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:57,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:57,498 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 06:22:57,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:57,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187975323] [2024-12-02 06:22:57,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187975323] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:57,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:57,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:57,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765710520] [2024-12-02 06:22:57,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:57,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:57,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:57,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:57,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:57,500 INFO L87 Difference]: Start difference. First operand 994 states and 1280 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:58,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:58,371 INFO L93 Difference]: Finished difference Result 1607 states and 2089 transitions. [2024-12-02 06:22:58,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:58,371 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 06:22:58,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:58,372 INFO L225 Difference]: With dead ends: 1607 [2024-12-02 06:22:58,372 INFO L226 Difference]: Without dead ends: 1458 [2024-12-02 06:22:58,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:58,372 INFO L435 NwaCegarLoop]: 589 mSDtfsCounter, 3897 mSDsluCounter, 2351 mSDsCounter, 0 mSdLazyCounter, 1951 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3897 SdHoareTripleChecker+Valid, 2940 SdHoareTripleChecker+Invalid, 1958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:58,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3897 Valid, 2940 Invalid, 1958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1951 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:58,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2024-12-02 06:22:58,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 994. [2024-12-02 06:22:58,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3158436213991769) internal successors, (1279), 993 states have internal predecessors, (1279), 0 states have call successors, (0), 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 06:22:58,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1279 transitions. [2024-12-02 06:22:58,380 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1279 transitions. Word has length 100 [2024-12-02 06:22:58,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:58,380 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1279 transitions. [2024-12-02 06:22:58,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1279 transitions. [2024-12-02 06:22:58,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 06:22:58,381 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:58,381 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] [2024-12-02 06:22:58,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-12-02 06:22:58,382 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:58,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:58,382 INFO L85 PathProgramCache]: Analyzing trace with hash 623323004, now seen corresponding path program 1 times [2024-12-02 06:22:58,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:58,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587414559] [2024-12-02 06:22:58,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:58,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:58,626 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 06:22:58,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:58,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587414559] [2024-12-02 06:22:58,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587414559] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:58,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:58,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:58,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476233050] [2024-12-02 06:22:58,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:58,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:58,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:58,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:58,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:58,627 INFO L87 Difference]: Start difference. First operand 994 states and 1279 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:59,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:59,498 INFO L93 Difference]: Finished difference Result 1609 states and 2090 transitions. [2024-12-02 06:22:59,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:22:59,499 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-12-02 06:22:59,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:59,500 INFO L225 Difference]: With dead ends: 1609 [2024-12-02 06:22:59,500 INFO L226 Difference]: Without dead ends: 1458 [2024-12-02 06:22:59,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:22:59,500 INFO L435 NwaCegarLoop]: 589 mSDtfsCounter, 3891 mSDsluCounter, 2351 mSDsCounter, 0 mSdLazyCounter, 1947 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3891 SdHoareTripleChecker+Valid, 2940 SdHoareTripleChecker+Invalid, 1954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:59,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3891 Valid, 2940 Invalid, 1954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1947 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:22:59,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2024-12-02 06:22:59,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 994. [2024-12-02 06:22:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3148148148148149) internal successors, (1278), 993 states have internal predecessors, (1278), 0 states have call successors, (0), 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 06:22:59,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1278 transitions. [2024-12-02 06:22:59,507 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1278 transitions. Word has length 100 [2024-12-02 06:22:59,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:59,507 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1278 transitions. [2024-12-02 06:22:59,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 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 06:22:59,507 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1278 transitions. [2024-12-02 06:22:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 06:22:59,508 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:59,508 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] [2024-12-02 06:22:59,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-12-02 06:22:59,508 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:22:59,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:59,508 INFO L85 PathProgramCache]: Analyzing trace with hash 205443651, now seen corresponding path program 1 times [2024-12-02 06:22:59,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:59,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010627147] [2024-12-02 06:22:59,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:59,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:59,764 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 06:22:59,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:59,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010627147] [2024-12-02 06:22:59,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010627147] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:59,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:59,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:22:59,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005951615] [2024-12-02 06:22:59,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:59,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:59,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:59,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:59,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:59,765 INFO L87 Difference]: Start difference. First operand 994 states and 1278 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:00,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:00,673 INFO L93 Difference]: Finished difference Result 1616 states and 2097 transitions. [2024-12-02 06:23:00,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:23:00,673 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 06:23:00,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:00,674 INFO L225 Difference]: With dead ends: 1616 [2024-12-02 06:23:00,674 INFO L226 Difference]: Without dead ends: 1458 [2024-12-02 06:23:00,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:23:00,675 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 3885 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 1939 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3885 SdHoareTripleChecker+Valid, 2944 SdHoareTripleChecker+Invalid, 1946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:00,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3885 Valid, 2944 Invalid, 1946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1939 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:23:00,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2024-12-02 06:23:00,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 994. [2024-12-02 06:23:00,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3127572016460904) internal successors, (1276), 993 states have internal predecessors, (1276), 0 states have call successors, (0), 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 06:23:00,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1276 transitions. [2024-12-02 06:23:00,683 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1276 transitions. Word has length 101 [2024-12-02 06:23:00,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:00,683 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1276 transitions. [2024-12-02 06:23:00,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1276 transitions. [2024-12-02 06:23:00,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 06:23:00,683 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:00,683 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] [2024-12-02 06:23:00,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-12-02 06:23:00,683 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:00,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:00,684 INFO L85 PathProgramCache]: Analyzing trace with hash 558214531, now seen corresponding path program 1 times [2024-12-02 06:23:00,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:00,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989178809] [2024-12-02 06:23:00,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:00,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:00,910 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 06:23:00,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:00,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989178809] [2024-12-02 06:23:00,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989178809] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:00,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:00,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:23:00,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590940965] [2024-12-02 06:23:00,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:00,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:23:00,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:00,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:23:00,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:23:00,911 INFO L87 Difference]: Start difference. First operand 994 states and 1276 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:01,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:01,844 INFO L93 Difference]: Finished difference Result 1681 states and 2200 transitions. [2024-12-02 06:23:01,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:23:01,844 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 06:23:01,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:01,845 INFO L225 Difference]: With dead ends: 1681 [2024-12-02 06:23:01,845 INFO L226 Difference]: Without dead ends: 1506 [2024-12-02 06:23:01,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:23:01,846 INFO L435 NwaCegarLoop]: 680 mSDtfsCounter, 3704 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2179 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3704 SdHoareTripleChecker+Valid, 3434 SdHoareTripleChecker+Invalid, 2186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:01,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3704 Valid, 3434 Invalid, 2186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2179 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:23:01,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2024-12-02 06:23:01,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 994. [2024-12-02 06:23:01,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 994 states, 972 states have (on average 1.3106995884773662) internal successors, (1274), 993 states have internal predecessors, (1274), 0 states have call successors, (0), 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 06:23:01,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1274 transitions. [2024-12-02 06:23:01,853 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1274 transitions. Word has length 101 [2024-12-02 06:23:01,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:01,853 INFO L471 AbstractCegarLoop]: Abstraction has 994 states and 1274 transitions. [2024-12-02 06:23:01,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:01,853 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1274 transitions. [2024-12-02 06:23:01,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 06:23:01,854 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:01,854 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] [2024-12-02 06:23:01,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-12-02 06:23:01,854 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:01,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:01,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1900513027, now seen corresponding path program 1 times [2024-12-02 06:23:01,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:01,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204107294] [2024-12-02 06:23:01,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:01,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:02,195 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 06:23:02,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:02,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204107294] [2024-12-02 06:23:02,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204107294] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:02,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:02,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 06:23:02,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702903577] [2024-12-02 06:23:02,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:02,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:23:02,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:02,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:23:02,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:23:02,196 INFO L87 Difference]: Start difference. First operand 994 states and 1274 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:03,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:03,617 INFO L93 Difference]: Finished difference Result 2296 states and 3082 transitions. [2024-12-02 06:23:03,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 06:23:03,617 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 06:23:03,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:03,618 INFO L225 Difference]: With dead ends: 2296 [2024-12-02 06:23:03,619 INFO L226 Difference]: Without dead ends: 2077 [2024-12-02 06:23:03,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 06:23:03,619 INFO L435 NwaCegarLoop]: 742 mSDtfsCounter, 7193 mSDsluCounter, 2640 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7193 SdHoareTripleChecker+Valid, 3382 SdHoareTripleChecker+Invalid, 2354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:03,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7193 Valid, 3382 Invalid, 2354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 06:23:03,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2077 states. [2024-12-02 06:23:03,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2077 to 1004. [2024-12-02 06:23:03,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.3075356415478616) internal successors, (1284), 1003 states have internal predecessors, (1284), 0 states have call successors, (0), 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 06:23:03,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1284 transitions. [2024-12-02 06:23:03,628 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1284 transitions. Word has length 101 [2024-12-02 06:23:03,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:03,629 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1284 transitions. [2024-12-02 06:23:03,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:03,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1284 transitions. [2024-12-02 06:23:03,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 06:23:03,629 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:03,630 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] [2024-12-02 06:23:03,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-12-02 06:23:03,630 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:03,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:03,630 INFO L85 PathProgramCache]: Analyzing trace with hash -93828413, now seen corresponding path program 1 times [2024-12-02 06:23:03,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:03,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848977053] [2024-12-02 06:23:03,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:03,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:03,983 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 06:23:03,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:03,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848977053] [2024-12-02 06:23:03,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848977053] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:03,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:03,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 06:23:03,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003872605] [2024-12-02 06:23:03,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:03,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:23:03,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:03,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:23:03,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:23:03,984 INFO L87 Difference]: Start difference. First operand 1004 states and 1284 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:05,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:05,322 INFO L93 Difference]: Finished difference Result 2143 states and 2868 transitions. [2024-12-02 06:23:05,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 06:23:05,322 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 06:23:05,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:05,323 INFO L225 Difference]: With dead ends: 2143 [2024-12-02 06:23:05,323 INFO L226 Difference]: Without dead ends: 1968 [2024-12-02 06:23:05,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 06:23:05,324 INFO L435 NwaCegarLoop]: 723 mSDtfsCounter, 5422 mSDsluCounter, 2571 mSDsCounter, 0 mSdLazyCounter, 2257 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5422 SdHoareTripleChecker+Valid, 3294 SdHoareTripleChecker+Invalid, 2456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 2257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:05,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5422 Valid, 3294 Invalid, 2456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 2257 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 06:23:05,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2024-12-02 06:23:05,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1014. [2024-12-02 06:23:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 992 states have (on average 1.3044354838709677) internal successors, (1294), 1013 states have internal predecessors, (1294), 0 states have call successors, (0), 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 06:23:05,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1294 transitions. [2024-12-02 06:23:05,332 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1294 transitions. Word has length 101 [2024-12-02 06:23:05,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:05,332 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1294 transitions. [2024-12-02 06:23:05,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:05,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1294 transitions. [2024-12-02 06:23:05,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 06:23:05,333 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:05,333 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] [2024-12-02 06:23:05,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-12-02 06:23:05,334 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:05,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:05,334 INFO L85 PathProgramCache]: Analyzing trace with hash -446599293, now seen corresponding path program 1 times [2024-12-02 06:23:05,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:05,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532898390] [2024-12-02 06:23:05,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:05,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:05,583 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 06:23:05,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:05,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532898390] [2024-12-02 06:23:05,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532898390] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:05,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:05,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:23:05,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969509026] [2024-12-02 06:23:05,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:05,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:23:05,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:05,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:23:05,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:23:05,585 INFO L87 Difference]: Start difference. First operand 1014 states and 1294 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:06,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:06,709 INFO L93 Difference]: Finished difference Result 1636 states and 2113 transitions. [2024-12-02 06:23:06,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:23:06,710 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 06:23:06,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:06,710 INFO L225 Difference]: With dead ends: 1636 [2024-12-02 06:23:06,710 INFO L226 Difference]: Without dead ends: 1478 [2024-12-02 06:23:06,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:23:06,711 INFO L435 NwaCegarLoop]: 605 mSDtfsCounter, 3853 mSDsluCounter, 2398 mSDsCounter, 0 mSdLazyCounter, 1955 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3853 SdHoareTripleChecker+Valid, 3003 SdHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:06,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3853 Valid, 3003 Invalid, 1962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1955 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 06:23:06,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-12-02 06:23:06,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1014. [2024-12-02 06:23:06,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 992 states have (on average 1.3024193548387097) internal successors, (1292), 1013 states have internal predecessors, (1292), 0 states have call successors, (0), 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 06:23:06,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1292 transitions. [2024-12-02 06:23:06,721 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1292 transitions. Word has length 101 [2024-12-02 06:23:06,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:06,721 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1292 transitions. [2024-12-02 06:23:06,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:06,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1292 transitions. [2024-12-02 06:23:06,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 06:23:06,722 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:06,722 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] [2024-12-02 06:23:06,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-12-02 06:23:06,722 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:06,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:06,723 INFO L85 PathProgramCache]: Analyzing trace with hash 102612419, now seen corresponding path program 1 times [2024-12-02 06:23:06,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:06,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041241256] [2024-12-02 06:23:06,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:06,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:06,971 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 06:23:06,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:06,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041241256] [2024-12-02 06:23:06,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041241256] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:06,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:06,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:23:06,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222670715] [2024-12-02 06:23:06,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:06,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:23:06,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:06,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:23:06,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:23:06,972 INFO L87 Difference]: Start difference. First operand 1014 states and 1292 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:08,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:08,108 INFO L93 Difference]: Finished difference Result 1535 states and 1969 transitions. [2024-12-02 06:23:08,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:23:08,108 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 06:23:08,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:08,110 INFO L225 Difference]: With dead ends: 1535 [2024-12-02 06:23:08,110 INFO L226 Difference]: Without dead ends: 1516 [2024-12-02 06:23:08,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:23:08,110 INFO L435 NwaCegarLoop]: 662 mSDtfsCounter, 2035 mSDsluCounter, 2140 mSDsCounter, 0 mSdLazyCounter, 1803 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2035 SdHoareTripleChecker+Valid, 2802 SdHoareTripleChecker+Invalid, 1809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:08,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2035 Valid, 2802 Invalid, 1809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1803 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 06:23:08,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2024-12-02 06:23:08,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1014. [2024-12-02 06:23:08,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 992 states have (on average 1.3004032258064515) internal successors, (1290), 1013 states have internal predecessors, (1290), 0 states have call successors, (0), 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 06:23:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1290 transitions. [2024-12-02 06:23:08,121 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1290 transitions. Word has length 101 [2024-12-02 06:23:08,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:08,121 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1290 transitions. [2024-12-02 06:23:08,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:08,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1290 transitions. [2024-12-02 06:23:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 06:23:08,122 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:08,122 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] [2024-12-02 06:23:08,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-12-02 06:23:08,123 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:08,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:08,123 INFO L85 PathProgramCache]: Analyzing trace with hash -250158461, now seen corresponding path program 1 times [2024-12-02 06:23:08,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:08,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775949325] [2024-12-02 06:23:08,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:08,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:08,419 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 06:23:08,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:08,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775949325] [2024-12-02 06:23:08,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775949325] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:08,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:08,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:23:08,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192083927] [2024-12-02 06:23:08,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:08,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:23:08,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:08,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:23:08,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:23:08,421 INFO L87 Difference]: Start difference. First operand 1014 states and 1290 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:09,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:09,605 INFO L93 Difference]: Finished difference Result 1484 states and 1883 transitions. [2024-12-02 06:23:09,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:23:09,605 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 06:23:09,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:09,606 INFO L225 Difference]: With dead ends: 1484 [2024-12-02 06:23:09,606 INFO L226 Difference]: Without dead ends: 1478 [2024-12-02 06:23:09,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:23:09,607 INFO L435 NwaCegarLoop]: 619 mSDtfsCounter, 3822 mSDsluCounter, 2439 mSDsCounter, 0 mSdLazyCounter, 1971 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3822 SdHoareTripleChecker+Valid, 3058 SdHoareTripleChecker+Invalid, 1978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:09,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3822 Valid, 3058 Invalid, 1978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1971 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 06:23:09,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-12-02 06:23:09,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1014. [2024-12-02 06:23:09,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 992 states have (on average 1.2983870967741935) internal successors, (1288), 1013 states have internal predecessors, (1288), 0 states have call successors, (0), 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 06:23:09,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1288 transitions. [2024-12-02 06:23:09,617 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1288 transitions. Word has length 101 [2024-12-02 06:23:09,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:09,618 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1288 transitions. [2024-12-02 06:23:09,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:09,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1288 transitions. [2024-12-02 06:23:09,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 06:23:09,619 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:09,620 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] [2024-12-02 06:23:09,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-12-02 06:23:09,620 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:09,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:09,620 INFO L85 PathProgramCache]: Analyzing trace with hash -56955485, now seen corresponding path program 1 times [2024-12-02 06:23:09,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:09,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087964340] [2024-12-02 06:23:09,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:09,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:09,864 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 06:23:09,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:09,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087964340] [2024-12-02 06:23:09,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087964340] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:09,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:09,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:23:09,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730671620] [2024-12-02 06:23:09,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:09,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:23:09,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:09,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:23:09,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:23:09,865 INFO L87 Difference]: Start difference. First operand 1014 states and 1288 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:10,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:10,876 INFO L93 Difference]: Finished difference Result 1484 states and 1881 transitions. [2024-12-02 06:23:10,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:23:10,876 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 06:23:10,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:10,878 INFO L225 Difference]: With dead ends: 1484 [2024-12-02 06:23:10,878 INFO L226 Difference]: Without dead ends: 1478 [2024-12-02 06:23:10,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:23:10,878 INFO L435 NwaCegarLoop]: 616 mSDtfsCounter, 4179 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4179 SdHoareTripleChecker+Valid, 2534 SdHoareTripleChecker+Invalid, 1684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:10,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4179 Valid, 2534 Invalid, 1684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1677 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:23:10,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-12-02 06:23:10,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1014. [2024-12-02 06:23:10,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 992 states have (on average 1.2963709677419355) internal successors, (1286), 1013 states have internal predecessors, (1286), 0 states have call successors, (0), 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 06:23:10,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1286 transitions. [2024-12-02 06:23:10,887 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1286 transitions. Word has length 101 [2024-12-02 06:23:10,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:10,887 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1286 transitions. [2024-12-02 06:23:10,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1286 transitions. [2024-12-02 06:23:10,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 06:23:10,888 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:10,888 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] [2024-12-02 06:23:10,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-12-02 06:23:10,888 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:10,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:10,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1631964749, now seen corresponding path program 1 times [2024-12-02 06:23:10,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:10,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321040643] [2024-12-02 06:23:10,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:10,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:11,152 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 06:23:11,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:11,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321040643] [2024-12-02 06:23:11,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321040643] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:11,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:11,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:23:11,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193319449] [2024-12-02 06:23:11,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:11,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:23:11,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:11,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:23:11,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:23:11,154 INFO L87 Difference]: Start difference. First operand 1014 states and 1286 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:12,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:12,205 INFO L93 Difference]: Finished difference Result 1629 states and 2095 transitions. [2024-12-02 06:23:12,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:23:12,205 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 06:23:12,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:12,206 INFO L225 Difference]: With dead ends: 1629 [2024-12-02 06:23:12,206 INFO L226 Difference]: Without dead ends: 1478 [2024-12-02 06:23:12,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-12-02 06:23:12,207 INFO L435 NwaCegarLoop]: 618 mSDtfsCounter, 3200 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3200 SdHoareTripleChecker+Valid, 2542 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:12,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3200 Valid, 2542 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1677 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:23:12,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-12-02 06:23:12,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1009. [2024-12-02 06:23:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 987 states have (on average 1.2968591691995948) internal successors, (1280), 1008 states have internal predecessors, (1280), 0 states have call successors, (0), 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 06:23:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1280 transitions. [2024-12-02 06:23:12,218 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1280 transitions. Word has length 101 [2024-12-02 06:23:12,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:12,218 INFO L471 AbstractCegarLoop]: Abstraction has 1009 states and 1280 transitions. [2024-12-02 06:23:12,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:12,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1280 transitions. [2024-12-02 06:23:12,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 06:23:12,220 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:12,220 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] [2024-12-02 06:23:12,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-12-02 06:23:12,220 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:12,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:12,220 INFO L85 PathProgramCache]: Analyzing trace with hash 547033555, now seen corresponding path program 1 times [2024-12-02 06:23:12,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:12,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208321745] [2024-12-02 06:23:12,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:12,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:12,478 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 06:23:12,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:12,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208321745] [2024-12-02 06:23:12,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208321745] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:12,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:12,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:23:12,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471291715] [2024-12-02 06:23:12,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:12,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:23:12,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:12,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:23:12,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:23:12,480 INFO L87 Difference]: Start difference. First operand 1009 states and 1280 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:13,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:13,606 INFO L93 Difference]: Finished difference Result 1673 states and 2166 transitions. [2024-12-02 06:23:13,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:23:13,606 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 06:23:13,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:13,607 INFO L225 Difference]: With dead ends: 1673 [2024-12-02 06:23:13,607 INFO L226 Difference]: Without dead ends: 1511 [2024-12-02 06:23:13,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:23:13,608 INFO L435 NwaCegarLoop]: 719 mSDtfsCounter, 3289 mSDsluCounter, 2309 mSDsCounter, 0 mSdLazyCounter, 1986 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3289 SdHoareTripleChecker+Valid, 3028 SdHoareTripleChecker+Invalid, 1992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:13,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3289 Valid, 3028 Invalid, 1992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1986 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 06:23:13,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2024-12-02 06:23:13,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1004. [2024-12-02 06:23:13,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1004 states, 982 states have (on average 1.2973523421588595) internal successors, (1274), 1003 states have internal predecessors, (1274), 0 states have call successors, (0), 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 06:23:13,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1274 transitions. [2024-12-02 06:23:13,627 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1274 transitions. Word has length 101 [2024-12-02 06:23:13,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:13,627 INFO L471 AbstractCegarLoop]: Abstraction has 1004 states and 1274 transitions. [2024-12-02 06:23:13,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:13,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1274 transitions. [2024-12-02 06:23:13,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 06:23:13,628 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:13,628 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] [2024-12-02 06:23:13,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-12-02 06:23:13,628 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:13,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:13,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1060602141, now seen corresponding path program 1 times [2024-12-02 06:23:13,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:13,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304363288] [2024-12-02 06:23:13,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:13,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:14,059 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 06:23:14,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:14,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304363288] [2024-12-02 06:23:14,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304363288] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:14,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:14,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 06:23:14,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270959273] [2024-12-02 06:23:14,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:14,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:23:14,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:14,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:23:14,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:23:14,060 INFO L87 Difference]: Start difference. First operand 1004 states and 1274 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:15,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:15,672 INFO L93 Difference]: Finished difference Result 1999 states and 2631 transitions. [2024-12-02 06:23:15,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 06:23:15,672 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 06:23:15,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:15,673 INFO L225 Difference]: With dead ends: 1999 [2024-12-02 06:23:15,673 INFO L226 Difference]: Without dead ends: 1845 [2024-12-02 06:23:15,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 06:23:15,674 INFO L435 NwaCegarLoop]: 668 mSDtfsCounter, 5460 mSDsluCounter, 2264 mSDsCounter, 0 mSdLazyCounter, 2007 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5460 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 2007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:15,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5460 Valid, 2932 Invalid, 2212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 2007 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 06:23:15,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states. [2024-12-02 06:23:15,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1009. [2024-12-02 06:23:15,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 987 states have (on average 1.2958459979736576) internal successors, (1279), 1008 states have internal predecessors, (1279), 0 states have call successors, (0), 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 06:23:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1279 transitions. [2024-12-02 06:23:15,683 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1279 transitions. Word has length 101 [2024-12-02 06:23:15,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:15,683 INFO L471 AbstractCegarLoop]: Abstraction has 1009 states and 1279 transitions. [2024-12-02 06:23:15,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1279 transitions. [2024-12-02 06:23:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 06:23:15,684 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:15,684 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] [2024-12-02 06:23:15,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-12-02 06:23:15,684 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:15,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:15,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1048495107, now seen corresponding path program 1 times [2024-12-02 06:23:15,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:15,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563627353] [2024-12-02 06:23:15,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:15,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:15,870 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 06:23:15,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:15,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563627353] [2024-12-02 06:23:15,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563627353] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:15,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:15,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:23:15,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148926259] [2024-12-02 06:23:15,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:15,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:23:15,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:15,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:23:15,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:23:15,871 INFO L87 Difference]: Start difference. First operand 1009 states and 1279 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:16,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:16,652 INFO L93 Difference]: Finished difference Result 1627 states and 2090 transitions. [2024-12-02 06:23:16,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:23:16,652 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 06:23:16,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:16,653 INFO L225 Difference]: With dead ends: 1627 [2024-12-02 06:23:16,653 INFO L226 Difference]: Without dead ends: 1473 [2024-12-02 06:23:16,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:23:16,654 INFO L435 NwaCegarLoop]: 623 mSDtfsCounter, 3152 mSDsluCounter, 1938 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3152 SdHoareTripleChecker+Valid, 2561 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:16,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3152 Valid, 2561 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1675 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:23:16,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2024-12-02 06:23:16,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1009. [2024-12-02 06:23:16,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 987 states have (on average 1.2948328267477203) internal successors, (1278), 1008 states have internal predecessors, (1278), 0 states have call successors, (0), 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 06:23:16,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1278 transitions. [2024-12-02 06:23:16,668 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1278 transitions. Word has length 101 [2024-12-02 06:23:16,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:16,668 INFO L471 AbstractCegarLoop]: Abstraction has 1009 states and 1278 transitions. [2024-12-02 06:23:16,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:16,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1278 transitions. [2024-12-02 06:23:16,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 06:23:16,669 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:16,669 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] [2024-12-02 06:23:16,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-12-02 06:23:16,669 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:16,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:16,669 INFO L85 PathProgramCache]: Analyzing trace with hash -385148189, now seen corresponding path program 1 times [2024-12-02 06:23:16,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:16,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821116326] [2024-12-02 06:23:16,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:16,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:16,995 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 06:23:16,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:16,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821116326] [2024-12-02 06:23:16,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821116326] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:16,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:16,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 06:23:16,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317276392] [2024-12-02 06:23:16,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:16,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:23:16,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:16,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:23:16,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:23:16,997 INFO L87 Difference]: Start difference. First operand 1009 states and 1278 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:18,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:18,397 INFO L93 Difference]: Finished difference Result 2140 states and 2840 transitions. [2024-12-02 06:23:18,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 06:23:18,398 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 06:23:18,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:18,399 INFO L225 Difference]: With dead ends: 2140 [2024-12-02 06:23:18,399 INFO L226 Difference]: Without dead ends: 1973 [2024-12-02 06:23:18,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 06:23:18,400 INFO L435 NwaCegarLoop]: 718 mSDtfsCounter, 6542 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 2192 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6542 SdHoareTripleChecker+Valid, 3279 SdHoareTripleChecker+Invalid, 2393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 2192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:18,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6542 Valid, 3279 Invalid, 2393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 2192 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 06:23:18,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2024-12-02 06:23:18,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1014. [2024-12-02 06:23:18,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 992 states have (on average 1.2933467741935485) internal successors, (1283), 1013 states have internal predecessors, (1283), 0 states have call successors, (0), 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 06:23:18,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1283 transitions. [2024-12-02 06:23:18,409 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1283 transitions. Word has length 101 [2024-12-02 06:23:18,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:18,409 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1283 transitions. [2024-12-02 06:23:18,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:18,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1283 transitions. [2024-12-02 06:23:18,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 06:23:18,410 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:18,410 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] [2024-12-02 06:23:18,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-12-02 06:23:18,410 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:18,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:18,410 INFO L85 PathProgramCache]: Analyzing trace with hash -226221533, now seen corresponding path program 1 times [2024-12-02 06:23:18,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:18,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607255521] [2024-12-02 06:23:18,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:18,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:18,627 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 06:23:18,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:18,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607255521] [2024-12-02 06:23:18,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607255521] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:18,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:18,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:23:18,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860848822] [2024-12-02 06:23:18,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:18,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:23:18,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:18,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:23:18,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:23:18,628 INFO L87 Difference]: Start difference. First operand 1014 states and 1283 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:19,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:19,644 INFO L93 Difference]: Finished difference Result 1632 states and 2093 transitions. [2024-12-02 06:23:19,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:23:19,644 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-12-02 06:23:19,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:19,645 INFO L225 Difference]: With dead ends: 1632 [2024-12-02 06:23:19,645 INFO L226 Difference]: Without dead ends: 1478 [2024-12-02 06:23:19,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:23:19,646 INFO L435 NwaCegarLoop]: 626 mSDtfsCounter, 3787 mSDsluCounter, 2459 mSDsCounter, 0 mSdLazyCounter, 1950 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3787 SdHoareTripleChecker+Valid, 3085 SdHoareTripleChecker+Invalid, 1957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:19,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3787 Valid, 3085 Invalid, 1957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1950 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:23:19,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-12-02 06:23:19,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1014. [2024-12-02 06:23:19,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 992 states have (on average 1.2923387096774193) internal successors, (1282), 1013 states have internal predecessors, (1282), 0 states have call successors, (0), 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 06:23:19,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1282 transitions. [2024-12-02 06:23:19,656 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1282 transitions. Word has length 101 [2024-12-02 06:23:19,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:19,656 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1282 transitions. [2024-12-02 06:23:19,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 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 06:23:19,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1282 transitions. [2024-12-02 06:23:19,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 06:23:19,657 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:19,658 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] [2024-12-02 06:23:19,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-12-02 06:23:19,658 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:19,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:19,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1646856919, now seen corresponding path program 1 times [2024-12-02 06:23:19,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:19,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260890232] [2024-12-02 06:23:19,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:19,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:22,472 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 06:23:22,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:22,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260890232] [2024-12-02 06:23:22,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260890232] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:22,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:22,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2024-12-02 06:23:22,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775404912] [2024-12-02 06:23:22,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:22,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-12-02 06:23:22,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:22,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-12-02 06:23:22,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1078, Unknown=0, NotChecked=0, Total=1190 [2024-12-02 06:23:22,473 INFO L87 Difference]: Start difference. First operand 1014 states and 1282 transitions. Second operand has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 35 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:35,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:35,080 INFO L93 Difference]: Finished difference Result 2467 states and 3186 transitions. [2024-12-02 06:23:35,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-12-02 06:23:35,080 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 35 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-12-02 06:23:35,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:35,081 INFO L225 Difference]: With dead ends: 2467 [2024-12-02 06:23:35,081 INFO L226 Difference]: Without dead ends: 2318 [2024-12-02 06:23:35,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=605, Invalid=3555, Unknown=0, NotChecked=0, Total=4160 [2024-12-02 06:23:35,082 INFO L435 NwaCegarLoop]: 1590 mSDtfsCounter, 5269 mSDsluCounter, 26686 mSDsCounter, 0 mSdLazyCounter, 16066 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5269 SdHoareTripleChecker+Valid, 28276 SdHoareTripleChecker+Invalid, 16088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 16066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:35,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5269 Valid, 28276 Invalid, 16088 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 16066 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-12-02 06:23:35,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2024-12-02 06:23:35,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 1035. [2024-12-02 06:23:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1013 states have (on average 1.2922013820335636) internal successors, (1309), 1034 states have internal predecessors, (1309), 0 states have call successors, (0), 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 06:23:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1309 transitions. [2024-12-02 06:23:35,095 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1309 transitions. Word has length 102 [2024-12-02 06:23:35,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:35,095 INFO L471 AbstractCegarLoop]: Abstraction has 1035 states and 1309 transitions. [2024-12-02 06:23:35,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 35 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:35,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1309 transitions. [2024-12-02 06:23:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 06:23:35,097 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:35,097 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] [2024-12-02 06:23:35,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-12-02 06:23:35,097 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:35,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:35,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1088930121, now seen corresponding path program 1 times [2024-12-02 06:23:35,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:35,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55484454] [2024-12-02 06:23:35,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:35,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:35,591 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 06:23:35,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:35,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55484454] [2024-12-02 06:23:35,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55484454] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:35,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:35,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:23:35,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421565635] [2024-12-02 06:23:35,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:35,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:23:35,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:35,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:23:35,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:23:35,592 INFO L87 Difference]: Start difference. First operand 1035 states and 1309 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:36,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:36,727 INFO L93 Difference]: Finished difference Result 1641 states and 2107 transitions. [2024-12-02 06:23:36,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:23:36,727 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-12-02 06:23:36,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:36,728 INFO L225 Difference]: With dead ends: 1641 [2024-12-02 06:23:36,728 INFO L226 Difference]: Without dead ends: 1491 [2024-12-02 06:23:36,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:23:36,729 INFO L435 NwaCegarLoop]: 741 mSDtfsCounter, 4648 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4648 SdHoareTripleChecker+Valid, 3683 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:36,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4648 Valid, 3683 Invalid, 1777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:23:36,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2024-12-02 06:23:36,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1033. [2024-12-02 06:23:36,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1011 states have (on average 1.2908011869436202) internal successors, (1305), 1032 states have internal predecessors, (1305), 0 states have call successors, (0), 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 06:23:36,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1305 transitions. [2024-12-02 06:23:36,736 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1305 transitions. Word has length 102 [2024-12-02 06:23:36,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:36,736 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1305 transitions. [2024-12-02 06:23:36,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:36,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1305 transitions. [2024-12-02 06:23:36,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 06:23:36,736 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:36,737 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] [2024-12-02 06:23:36,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-12-02 06:23:36,737 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:36,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:36,737 INFO L85 PathProgramCache]: Analyzing trace with hash 646499415, now seen corresponding path program 1 times [2024-12-02 06:23:36,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:36,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818645996] [2024-12-02 06:23:36,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:36,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:37,241 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 06:23:37,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:37,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818645996] [2024-12-02 06:23:37,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818645996] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:37,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:37,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:23:37,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039736697] [2024-12-02 06:23:37,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:37,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:23:37,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:37,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:23:37,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:23:37,242 INFO L87 Difference]: Start difference. First operand 1033 states and 1305 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:38,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:38,105 INFO L93 Difference]: Finished difference Result 1633 states and 2122 transitions. [2024-12-02 06:23:38,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:23:38,106 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-12-02 06:23:38,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:38,107 INFO L225 Difference]: With dead ends: 1633 [2024-12-02 06:23:38,107 INFO L226 Difference]: Without dead ends: 1352 [2024-12-02 06:23:38,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:23:38,108 INFO L435 NwaCegarLoop]: 1067 mSDtfsCounter, 3749 mSDsluCounter, 5830 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3749 SdHoareTripleChecker+Valid, 6897 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:38,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3749 Valid, 6897 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:23:38,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2024-12-02 06:23:38,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 900. [2024-12-02 06:23:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 882 states have (on average 1.290249433106576) internal successors, (1138), 899 states have internal predecessors, (1138), 0 states have call successors, (0), 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 06:23:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1138 transitions. [2024-12-02 06:23:38,115 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1138 transitions. Word has length 102 [2024-12-02 06:23:38,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:38,115 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1138 transitions. [2024-12-02 06:23:38,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:38,115 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1138 transitions. [2024-12-02 06:23:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 06:23:38,117 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:38,117 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] [2024-12-02 06:23:38,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-12-02 06:23:38,117 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:38,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:38,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1283351432, now seen corresponding path program 1 times [2024-12-02 06:23:38,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:38,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647347628] [2024-12-02 06:23:38,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:38,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:38,388 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 06:23:38,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:38,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647347628] [2024-12-02 06:23:38,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647347628] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:38,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:38,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:23:38,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781764535] [2024-12-02 06:23:38,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:38,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:23:38,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:38,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:23:38,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:23:38,389 INFO L87 Difference]: Start difference. First operand 900 states and 1138 transitions. Second operand has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 8 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:39,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:39,423 INFO L93 Difference]: Finished difference Result 1655 states and 2141 transitions. [2024-12-02 06:23:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:23:39,423 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 8 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-12-02 06:23:39,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:39,424 INFO L225 Difference]: With dead ends: 1655 [2024-12-02 06:23:39,424 INFO L226 Difference]: Without dead ends: 1436 [2024-12-02 06:23:39,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-12-02 06:23:39,425 INFO L435 NwaCegarLoop]: 752 mSDtfsCounter, 3113 mSDsluCounter, 2446 mSDsCounter, 0 mSdLazyCounter, 1987 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3113 SdHoareTripleChecker+Valid, 3198 SdHoareTripleChecker+Invalid, 1993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:39,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3113 Valid, 3198 Invalid, 1993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1987 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:23:39,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2024-12-02 06:23:39,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 890. [2024-12-02 06:23:39,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 872 states have (on average 1.2912844036697249) internal successors, (1126), 889 states have internal predecessors, (1126), 0 states have call successors, (0), 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 06:23:39,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1126 transitions. [2024-12-02 06:23:39,431 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1126 transitions. Word has length 102 [2024-12-02 06:23:39,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:39,431 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 1126 transitions. [2024-12-02 06:23:39,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 8 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:39,431 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1126 transitions. [2024-12-02 06:23:39,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 06:23:39,432 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:39,432 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] [2024-12-02 06:23:39,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2024-12-02 06:23:39,432 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:39,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:39,432 INFO L85 PathProgramCache]: Analyzing trace with hash 411891703, now seen corresponding path program 1 times [2024-12-02 06:23:39,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:39,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883494489] [2024-12-02 06:23:39,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:39,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:39,874 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 06:23:39,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:39,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883494489] [2024-12-02 06:23:39,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883494489] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:39,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:39,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:23:39,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427220137] [2024-12-02 06:23:39,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:39,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:23:39,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:39,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:23:39,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:23:39,875 INFO L87 Difference]: Start difference. First operand 890 states and 1126 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:40,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:40,276 INFO L93 Difference]: Finished difference Result 1113 states and 1456 transitions. [2024-12-02 06:23:40,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:23:40,277 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-12-02 06:23:40,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:40,277 INFO L225 Difference]: With dead ends: 1113 [2024-12-02 06:23:40,277 INFO L226 Difference]: Without dead ends: 742 [2024-12-02 06:23:40,277 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:23:40,278 INFO L435 NwaCegarLoop]: 566 mSDtfsCounter, 2781 mSDsluCounter, 2057 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2781 SdHoareTripleChecker+Valid, 2623 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:40,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2781 Valid, 2623 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:23:40,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-12-02 06:23:40,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 667. [2024-12-02 06:23:40,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 654 states have (on average 1.2951070336391437) internal successors, (847), 666 states have internal predecessors, (847), 0 states have call successors, (0), 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 06:23:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 847 transitions. [2024-12-02 06:23:40,282 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 847 transitions. Word has length 102 [2024-12-02 06:23:40,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:40,282 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 847 transitions. [2024-12-02 06:23:40,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:40,282 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 847 transitions. [2024-12-02 06:23:40,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 06:23:40,283 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:40,283 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] [2024-12-02 06:23:40,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2024-12-02 06:23:40,283 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:40,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:40,283 INFO L85 PathProgramCache]: Analyzing trace with hash 2070282935, now seen corresponding path program 1 times [2024-12-02 06:23:40,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:40,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583537431] [2024-12-02 06:23:40,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:40,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:40,744 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 06:23:40,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:40,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583537431] [2024-12-02 06:23:40,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583537431] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:40,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:40,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:23:40,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244244458] [2024-12-02 06:23:40,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:40,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:23:40,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:40,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:23:40,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:23:40,745 INFO L87 Difference]: Start difference. First operand 667 states and 847 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:41,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:41,640 INFO L93 Difference]: Finished difference Result 1129 states and 1479 transitions. [2024-12-02 06:23:41,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:23:41,640 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-12-02 06:23:41,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:41,641 INFO L225 Difference]: With dead ends: 1129 [2024-12-02 06:23:41,641 INFO L226 Difference]: Without dead ends: 980 [2024-12-02 06:23:41,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:23:41,641 INFO L435 NwaCegarLoop]: 520 mSDtfsCounter, 3298 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3298 SdHoareTripleChecker+Valid, 2648 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:41,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3298 Valid, 2648 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 06:23:41,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2024-12-02 06:23:41,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 666. [2024-12-02 06:23:41,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 653 states have (on average 1.2940275650842266) internal successors, (845), 665 states have internal predecessors, (845), 0 states have call successors, (0), 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 06:23:41,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 845 transitions. [2024-12-02 06:23:41,646 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 845 transitions. Word has length 102 [2024-12-02 06:23:41,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:41,646 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 845 transitions. [2024-12-02 06:23:41,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:41,646 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 845 transitions. [2024-12-02 06:23:41,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 06:23:41,646 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:41,646 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] [2024-12-02 06:23:41,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-12-02 06:23:41,646 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:41,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:41,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1112590999, now seen corresponding path program 1 times [2024-12-02 06:23:41,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:41,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321981753] [2024-12-02 06:23:41,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:41,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:42,119 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 06:23:42,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:42,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321981753] [2024-12-02 06:23:42,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321981753] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:42,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:42,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:23:42,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276842265] [2024-12-02 06:23:42,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:42,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:23:42,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:42,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:23:42,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:23:42,120 INFO L87 Difference]: Start difference. First operand 666 states and 845 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:42,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:42,616 INFO L93 Difference]: Finished difference Result 889 states and 1175 transitions. [2024-12-02 06:23:42,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:23:42,617 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-12-02 06:23:42,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:42,617 INFO L225 Difference]: With dead ends: 889 [2024-12-02 06:23:42,617 INFO L226 Difference]: Without dead ends: 639 [2024-12-02 06:23:42,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:23:42,618 INFO L435 NwaCegarLoop]: 437 mSDtfsCounter, 2127 mSDsluCounter, 2090 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2127 SdHoareTripleChecker+Valid, 2527 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:42,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2127 Valid, 2527 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:23:42,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2024-12-02 06:23:42,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 564. [2024-12-02 06:23:42,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 552 states have (on average 1.298913043478261) internal successors, (717), 563 states have internal predecessors, (717), 0 states have call successors, (0), 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 06:23:42,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 717 transitions. [2024-12-02 06:23:42,622 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 717 transitions. Word has length 102 [2024-12-02 06:23:42,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:42,622 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 717 transitions. [2024-12-02 06:23:42,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:42,622 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 717 transitions. [2024-12-02 06:23:42,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 06:23:42,622 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:42,622 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] [2024-12-02 06:23:42,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-12-02 06:23:42,622 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:42,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:42,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1059722039, now seen corresponding path program 1 times [2024-12-02 06:23:42,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:42,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808471095] [2024-12-02 06:23:42,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:42,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:43,053 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 06:23:43,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:43,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808471095] [2024-12-02 06:23:43,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808471095] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:43,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:43,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:23:43,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828633918] [2024-12-02 06:23:43,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:43,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:23:43,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:43,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:23:43,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:23:43,054 INFO L87 Difference]: Start difference. First operand 564 states and 717 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:43,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:43,580 INFO L93 Difference]: Finished difference Result 1099 states and 1450 transitions. [2024-12-02 06:23:43,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:23:43,581 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-12-02 06:23:43,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:43,582 INFO L225 Difference]: With dead ends: 1099 [2024-12-02 06:23:43,582 INFO L226 Difference]: Without dead ends: 891 [2024-12-02 06:23:43,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:23:43,582 INFO L435 NwaCegarLoop]: 665 mSDtfsCounter, 1572 mSDsluCounter, 2811 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1572 SdHoareTripleChecker+Valid, 3476 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:43,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1572 Valid, 3476 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:23:43,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2024-12-02 06:23:43,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 504. [2024-12-02 06:23:43,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 493 states have (on average 1.3002028397565923) internal successors, (641), 503 states have internal predecessors, (641), 0 states have call successors, (0), 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 06:23:43,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 641 transitions. [2024-12-02 06:23:43,587 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 641 transitions. Word has length 102 [2024-12-02 06:23:43,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:43,587 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 641 transitions. [2024-12-02 06:23:43,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:43,587 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 641 transitions. [2024-12-02 06:23:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 06:23:43,587 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:43,587 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] [2024-12-02 06:23:43,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-12-02 06:23:43,587 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:43,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:43,588 INFO L85 PathProgramCache]: Analyzing trace with hash 2015954551, now seen corresponding path program 1 times [2024-12-02 06:23:43,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:43,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569283536] [2024-12-02 06:23:43,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:43,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:44,055 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 06:23:44,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:44,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569283536] [2024-12-02 06:23:44,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569283536] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:44,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:44,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:23:44,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575448385] [2024-12-02 06:23:44,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:44,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:23:44,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:44,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:23:44,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:23:44,056 INFO L87 Difference]: Start difference. First operand 504 states and 641 transitions. Second operand has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:44,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:44,706 INFO L93 Difference]: Finished difference Result 899 states and 1195 transitions. [2024-12-02 06:23:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:23:44,706 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-12-02 06:23:44,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:44,707 INFO L225 Difference]: With dead ends: 899 [2024-12-02 06:23:44,707 INFO L226 Difference]: Without dead ends: 750 [2024-12-02 06:23:44,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:23:44,707 INFO L435 NwaCegarLoop]: 350 mSDtfsCounter, 1868 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 2079 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:44,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 2079 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:23:44,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2024-12-02 06:23:44,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 503. [2024-12-02 06:23:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 492 states have (on average 1.298780487804878) internal successors, (639), 502 states have internal predecessors, (639), 0 states have call successors, (0), 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 06:23:44,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 639 transitions. [2024-12-02 06:23:44,712 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 639 transitions. Word has length 102 [2024-12-02 06:23:44,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:44,712 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 639 transitions. [2024-12-02 06:23:44,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.5) internal successors, (102), 12 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:44,712 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 639 transitions. [2024-12-02 06:23:44,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 06:23:44,713 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:44,713 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] [2024-12-02 06:23:44,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-12-02 06:23:44,713 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:44,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:44,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1980475689, now seen corresponding path program 1 times [2024-12-02 06:23:44,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:44,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536683201] [2024-12-02 06:23:44,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:44,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:45,163 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 06:23:45,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:45,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536683201] [2024-12-02 06:23:45,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536683201] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:45,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:45,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 06:23:45,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777669061] [2024-12-02 06:23:45,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:45,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 06:23:45,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:45,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 06:23:45,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:23:45,164 INFO L87 Difference]: Start difference. First operand 503 states and 639 transitions. Second operand has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:45,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:45,626 INFO L93 Difference]: Finished difference Result 845 states and 1124 transitions. [2024-12-02 06:23:45,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:23:45,627 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-12-02 06:23:45,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:45,627 INFO L225 Difference]: With dead ends: 845 [2024-12-02 06:23:45,627 INFO L226 Difference]: Without dead ends: 609 [2024-12-02 06:23:45,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-12-02 06:23:45,628 INFO L435 NwaCegarLoop]: 265 mSDtfsCounter, 862 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 862 SdHoareTripleChecker+Valid, 1789 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:45,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [862 Valid, 1789 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:23:45,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2024-12-02 06:23:45,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 415. [2024-12-02 06:23:45,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 408 states have (on average 1.3088235294117647) internal successors, (534), 414 states have internal predecessors, (534), 0 states have call successors, (0), 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 06:23:45,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 534 transitions. [2024-12-02 06:23:45,632 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 534 transitions. Word has length 102 [2024-12-02 06:23:45,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:45,632 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 534 transitions. [2024-12-02 06:23:45,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 0 states have call successors, (0), 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 06:23:45,632 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 534 transitions. [2024-12-02 06:23:45,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:23:45,632 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:45,632 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] [2024-12-02 06:23:45,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-12-02 06:23:45,633 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:45,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:45,633 INFO L85 PathProgramCache]: Analyzing trace with hash 883083848, now seen corresponding path program 1 times [2024-12-02 06:23:45,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:45,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410963354] [2024-12-02 06:23:45,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:45,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:48,098 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 06:23:48,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:48,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410963354] [2024-12-02 06:23:48,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410963354] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:48,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:48,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2024-12-02 06:23:48,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638207174] [2024-12-02 06:23:48,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:48,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-12-02 06:23:48,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:48,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-12-02 06:23:48,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2024-12-02 06:23:48,099 INFO L87 Difference]: Start difference. First operand 415 states and 534 transitions. Second operand has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 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 06:23:51,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:51,722 INFO L93 Difference]: Finished difference Result 587 states and 784 transitions. [2024-12-02 06:23:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-02 06:23:51,723 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2024-12-02 06:23:51,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:51,723 INFO L225 Difference]: With dead ends: 587 [2024-12-02 06:23:51,723 INFO L226 Difference]: Without dead ends: 435 [2024-12-02 06:23:51,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=428, Invalid=2652, Unknown=0, NotChecked=0, Total=3080 [2024-12-02 06:23:51,724 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 787 mSDsluCounter, 4331 mSDsCounter, 0 mSdLazyCounter, 2690 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 4538 SdHoareTripleChecker+Invalid, 2700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:51,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 4538 Invalid, 2700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2690 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 06:23:51,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-12-02 06:23:51,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 426. [2024-12-02 06:23:51,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 419 states have (on average 1.3126491646778042) internal successors, (550), 425 states have internal predecessors, (550), 0 states have call successors, (0), 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 06:23:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 550 transitions. [2024-12-02 06:23:51,728 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 550 transitions. Word has length 103 [2024-12-02 06:23:51,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:51,728 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 550 transitions. [2024-12-02 06:23:51,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.3225806451612905) internal successors, (103), 31 states have internal predecessors, (103), 0 states have call successors, (0), 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 06:23:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 550 transitions. [2024-12-02 06:23:51,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 06:23:51,729 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:51,729 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] [2024-12-02 06:23:51,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-12-02 06:23:51,729 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:51,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:51,729 INFO L85 PathProgramCache]: Analyzing trace with hash -989398264, now seen corresponding path program 1 times [2024-12-02 06:23:51,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:51,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888462583] [2024-12-02 06:23:51,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:51,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:52,392 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 06:23:52,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:52,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888462583] [2024-12-02 06:23:52,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888462583] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:52,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:52,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:23:52,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927068105] [2024-12-02 06:23:52,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:52,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:23:52,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:52,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:23:52,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:23:52,393 INFO L87 Difference]: Start difference. First operand 426 states and 550 transitions. Second operand has 13 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 states have internal predecessors, (103), 0 states have call successors, (0), 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 06:23:53,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:53,119 INFO L93 Difference]: Finished difference Result 1251 states and 1718 transitions. [2024-12-02 06:23:53,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 06:23:53,120 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2024-12-02 06:23:53,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:53,120 INFO L225 Difference]: With dead ends: 1251 [2024-12-02 06:23:53,120 INFO L226 Difference]: Without dead ends: 1036 [2024-12-02 06:23:53,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-12-02 06:23:53,121 INFO L435 NwaCegarLoop]: 580 mSDtfsCounter, 1186 mSDsluCounter, 3391 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1186 SdHoareTripleChecker+Valid, 3971 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:53,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1186 Valid, 3971 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:23:53,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-12-02 06:23:53,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 358. [2024-12-02 06:23:53,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 354 states have (on average 1.3022598870056497) internal successors, (461), 357 states have internal predecessors, (461), 0 states have call successors, (0), 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 06:23:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 461 transitions. [2024-12-02 06:23:53,125 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 461 transitions. Word has length 103 [2024-12-02 06:23:53,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:53,125 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 461 transitions. [2024-12-02 06:23:53,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 states have internal predecessors, (103), 0 states have call successors, (0), 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 06:23:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 461 transitions. [2024-12-02 06:23:53,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 06:23:53,125 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:53,126 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] [2024-12-02 06:23:53,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2024-12-02 06:23:53,126 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:53,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:53,126 INFO L85 PathProgramCache]: Analyzing trace with hash -180423651, now seen corresponding path program 1 times [2024-12-02 06:23:53,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:53,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879970575] [2024-12-02 06:23:53,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:53,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:54,959 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 06:23:54,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:54,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879970575] [2024-12-02 06:23:54,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879970575] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:54,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:54,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-12-02 06:23:54,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501404194] [2024-12-02 06:23:54,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:54,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 06:23:54,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:54,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 06:23:54,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=548, Unknown=0, NotChecked=0, Total=600 [2024-12-02 06:23:54,960 INFO L87 Difference]: Start difference. First operand 358 states and 461 transitions. Second operand has 25 states, 25 states have (on average 4.16) internal successors, (104), 25 states have internal predecessors, (104), 0 states have call successors, (0), 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 06:23:57,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:57,592 INFO L93 Difference]: Finished difference Result 715 states and 973 transitions. [2024-12-02 06:23:57,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-02 06:23:57,592 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.16) internal successors, (104), 25 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2024-12-02 06:23:57,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:57,593 INFO L225 Difference]: With dead ends: 715 [2024-12-02 06:23:57,593 INFO L226 Difference]: Without dead ends: 563 [2024-12-02 06:23:57,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=297, Invalid=1683, Unknown=0, NotChecked=0, Total=1980 [2024-12-02 06:23:57,593 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 911 mSDsluCounter, 3478 mSDsCounter, 0 mSdLazyCounter, 1741 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 3664 SdHoareTripleChecker+Invalid, 1749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:57,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [911 Valid, 3664 Invalid, 1749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1741 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 06:23:57,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-12-02 06:23:57,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 359. [2024-12-02 06:23:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 355 states have (on average 1.3014084507042254) internal successors, (462), 358 states have internal predecessors, (462), 0 states have call successors, (0), 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 06:23:57,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 462 transitions. [2024-12-02 06:23:57,596 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 462 transitions. Word has length 104 [2024-12-02 06:23:57,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:57,596 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 462 transitions. [2024-12-02 06:23:57,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.16) internal successors, (104), 25 states have internal predecessors, (104), 0 states have call successors, (0), 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 06:23:57,596 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 462 transitions. [2024-12-02 06:23:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 06:23:57,596 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:57,596 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] [2024-12-02 06:23:57,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2024-12-02 06:23:57,596 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:57,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:57,596 INFO L85 PathProgramCache]: Analyzing trace with hash -793946499, now seen corresponding path program 1 times [2024-12-02 06:23:57,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:57,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865651023] [2024-12-02 06:23:57,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:57,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:58,015 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 06:23:58,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:58,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865651023] [2024-12-02 06:23:58,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865651023] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:58,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:58,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:23:58,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779820115] [2024-12-02 06:23:58,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:58,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:23:58,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:58,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:23:58,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:23:58,016 INFO L87 Difference]: Start difference. First operand 359 states and 462 transitions. Second operand has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 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 06:23:58,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:58,430 INFO L93 Difference]: Finished difference Result 691 states and 943 transitions. [2024-12-02 06:23:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:23:58,431 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2024-12-02 06:23:58,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:58,431 INFO L225 Difference]: With dead ends: 691 [2024-12-02 06:23:58,431 INFO L226 Difference]: Without dead ends: 537 [2024-12-02 06:23:58,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:23:58,432 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 1372 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1372 SdHoareTripleChecker+Valid, 1471 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:58,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1372 Valid, 1471 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:23:58,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-12-02 06:23:58,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 325. [2024-12-02 06:23:58,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 322 states have (on average 1.2919254658385093) internal successors, (416), 324 states have internal predecessors, (416), 0 states have call successors, (0), 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 06:23:58,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 416 transitions. [2024-12-02 06:23:58,434 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 416 transitions. Word has length 104 [2024-12-02 06:23:58,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:58,434 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 416 transitions. [2024-12-02 06:23:58,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 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 06:23:58,434 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 416 transitions. [2024-12-02 06:23:58,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 06:23:58,435 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:58,435 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] [2024-12-02 06:23:58,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2024-12-02 06:23:58,435 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:58,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:58,435 INFO L85 PathProgramCache]: Analyzing trace with hash -441491864, now seen corresponding path program 1 times [2024-12-02 06:23:58,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:58,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740215892] [2024-12-02 06:23:58,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:58,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:58,659 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 06:23:58,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:58,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740215892] [2024-12-02 06:23:58,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740215892] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:58,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:58,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:23:58,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818476404] [2024-12-02 06:23:58,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:58,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:23:58,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:58,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:23:58,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:23:58,660 INFO L87 Difference]: Start difference. First operand 325 states and 416 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 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 06:23:58,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:58,977 INFO L93 Difference]: Finished difference Result 521 states and 688 transitions. [2024-12-02 06:23:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:23:58,977 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2024-12-02 06:23:58,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:58,978 INFO L225 Difference]: With dead ends: 521 [2024-12-02 06:23:58,978 INFO L226 Difference]: Without dead ends: 513 [2024-12-02 06:23:58,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:23:58,978 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 1146 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:58,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 791 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:23:58,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-12-02 06:23:58,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 325. [2024-12-02 06:23:58,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 322 states have (on average 1.2888198757763976) internal successors, (415), 324 states have internal predecessors, (415), 0 states have call successors, (0), 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 06:23:58,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 415 transitions. [2024-12-02 06:23:58,981 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 415 transitions. Word has length 105 [2024-12-02 06:23:58,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:58,981 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 415 transitions. [2024-12-02 06:23:58,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 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 06:23:58,981 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 415 transitions. [2024-12-02 06:23:58,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 06:23:58,981 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:58,981 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] [2024-12-02 06:23:58,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-12-02 06:23:58,981 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:58,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:58,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1706763544, now seen corresponding path program 1 times [2024-12-02 06:23:58,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:58,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965371519] [2024-12-02 06:23:58,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:58,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:23:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:23:59,304 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 06:23:59,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:23:59,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965371519] [2024-12-02 06:23:59,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965371519] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:23:59,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:23:59,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 06:23:59,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670035475] [2024-12-02 06:23:59,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:23:59,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:23:59,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:23:59,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:23:59,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:23:59,306 INFO L87 Difference]: Start difference. First operand 325 states and 415 transitions. Second operand has 12 states, 12 states have (on average 8.75) internal successors, (105), 11 states have internal predecessors, (105), 0 states have call successors, (0), 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 06:23:59,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:59,988 INFO L93 Difference]: Finished difference Result 1174 states and 1632 transitions. [2024-12-02 06:23:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 06:23:59,988 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.75) internal successors, (105), 11 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2024-12-02 06:23:59,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:59,989 INFO L225 Difference]: With dead ends: 1174 [2024-12-02 06:23:59,989 INFO L226 Difference]: Without dead ends: 992 [2024-12-02 06:23:59,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-12-02 06:23:59,990 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 3470 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3470 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:59,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3470 Valid, 981 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:23:59,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2024-12-02 06:23:59,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 335. [2024-12-02 06:23:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 332 states have (on average 1.2801204819277108) internal successors, (425), 334 states have internal predecessors, (425), 0 states have call successors, (0), 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 06:23:59,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 425 transitions. [2024-12-02 06:23:59,995 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 425 transitions. Word has length 105 [2024-12-02 06:23:59,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:59,995 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 425 transitions. [2024-12-02 06:23:59,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.75) internal successors, (105), 11 states have internal predecessors, (105), 0 states have call successors, (0), 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 06:23:59,995 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 425 transitions. [2024-12-02 06:23:59,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 06:23:59,995 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:23:59,995 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] [2024-12-02 06:23:59,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2024-12-02 06:23:59,996 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:23:59,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:23:59,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1535253635, now seen corresponding path program 1 times [2024-12-02 06:23:59,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:23:59,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571932843] [2024-12-02 06:23:59,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:23:59,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:00,203 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 06:24:00,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:00,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571932843] [2024-12-02 06:24:00,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571932843] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:00,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:00,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:24:00,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559103567] [2024-12-02 06:24:00,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:00,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:24:00,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:00,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:24:00,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:24:00,204 INFO L87 Difference]: Start difference. First operand 335 states and 425 transitions. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 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 06:24:00,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:00,584 INFO L93 Difference]: Finished difference Result 722 states and 970 transitions. [2024-12-02 06:24:00,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:24:00,584 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2024-12-02 06:24:00,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:00,584 INFO L225 Difference]: With dead ends: 722 [2024-12-02 06:24:00,585 INFO L226 Difference]: Without dead ends: 540 [2024-12-02 06:24:00,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-12-02 06:24:00,585 INFO L435 NwaCegarLoop]: 245 mSDtfsCounter, 1012 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:00,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1012 Valid, 997 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:24:00,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-12-02 06:24:00,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 325. [2024-12-02 06:24:00,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 322 states have (on average 1.2826086956521738) internal successors, (413), 324 states have internal predecessors, (413), 0 states have call successors, (0), 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 06:24:00,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 413 transitions. [2024-12-02 06:24:00,587 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 413 transitions. Word has length 106 [2024-12-02 06:24:00,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:00,587 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 413 transitions. [2024-12-02 06:24:00,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 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 06:24:00,587 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 413 transitions. [2024-12-02 06:24:00,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 06:24:00,588 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:00,588 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] [2024-12-02 06:24:00,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2024-12-02 06:24:00,588 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:00,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:00,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1398650157, now seen corresponding path program 1 times [2024-12-02 06:24:00,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:00,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11497068] [2024-12-02 06:24:00,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:00,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:02,593 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 06:24:02,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:02,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11497068] [2024-12-02 06:24:02,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11497068] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:02,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:02,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2024-12-02 06:24:02,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398751527] [2024-12-02 06:24:02,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:02,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-12-02 06:24:02,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:02,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-12-02 06:24:02,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=973, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 06:24:02,594 INFO L87 Difference]: Start difference. First operand 325 states and 413 transitions. Second operand has 33 states, 33 states have (on average 3.242424242424242) internal successors, (107), 33 states have internal predecessors, (107), 0 states have call successors, (0), 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 06:24:06,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:06,335 INFO L93 Difference]: Finished difference Result 359 states and 453 transitions. [2024-12-02 06:24:06,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-02 06:24:06,335 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.242424242424242) internal successors, (107), 33 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2024-12-02 06:24:06,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:06,336 INFO L225 Difference]: With dead ends: 359 [2024-12-02 06:24:06,336 INFO L226 Difference]: Without dead ends: 353 [2024-12-02 06:24:06,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 550 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=506, Invalid=3154, Unknown=0, NotChecked=0, Total=3660 [2024-12-02 06:24:06,336 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 726 mSDsluCounter, 3813 mSDsCounter, 0 mSdLazyCounter, 2535 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 3988 SdHoareTripleChecker+Invalid, 2550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:06,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 3988 Invalid, 2550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2535 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 06:24:06,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-12-02 06:24:06,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 350. [2024-12-02 06:24:06,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 347 states have (on average 1.276657060518732) internal successors, (443), 349 states have internal predecessors, (443), 0 states have call successors, (0), 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 06:24:06,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 443 transitions. [2024-12-02 06:24:06,338 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 443 transitions. Word has length 107 [2024-12-02 06:24:06,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:06,339 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 443 transitions. [2024-12-02 06:24:06,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.242424242424242) internal successors, (107), 33 states have internal predecessors, (107), 0 states have call successors, (0), 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 06:24:06,339 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 443 transitions. [2024-12-02 06:24:06,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 06:24:06,339 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:06,339 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] [2024-12-02 06:24:06,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2024-12-02 06:24:06,339 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:06,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:06,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1448357139, now seen corresponding path program 1 times [2024-12-02 06:24:06,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:06,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759664845] [2024-12-02 06:24:06,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:06,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:08,312 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 06:24:08,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:08,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759664845] [2024-12-02 06:24:08,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759664845] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:08,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:08,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2024-12-02 06:24:08,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200502417] [2024-12-02 06:24:08,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:08,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-12-02 06:24:08,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:08,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-12-02 06:24:08,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=977, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 06:24:08,313 INFO L87 Difference]: Start difference. First operand 350 states and 443 transitions. Second operand has 33 states, 33 states have (on average 3.242424242424242) internal successors, (107), 33 states have internal predecessors, (107), 0 states have call successors, (0), 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 06:24:11,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:11,980 INFO L93 Difference]: Finished difference Result 550 states and 721 transitions. [2024-12-02 06:24:11,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-02 06:24:11,981 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.242424242424242) internal successors, (107), 33 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2024-12-02 06:24:11,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:11,981 INFO L225 Difference]: With dead ends: 550 [2024-12-02 06:24:11,981 INFO L226 Difference]: Without dead ends: 541 [2024-12-02 06:24:11,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=502, Invalid=3158, Unknown=0, NotChecked=0, Total=3660 [2024-12-02 06:24:11,982 INFO L435 NwaCegarLoop]: 312 mSDtfsCounter, 1034 mSDsluCounter, 5724 mSDsCounter, 0 mSdLazyCounter, 2916 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 6036 SdHoareTripleChecker+Invalid, 2933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:11,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1034 Valid, 6036 Invalid, 2933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2916 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 06:24:11,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-12-02 06:24:11,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 354. [2024-12-02 06:24:11,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 351 states have (on average 1.2763532763532763) internal successors, (448), 353 states have internal predecessors, (448), 0 states have call successors, (0), 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 06:24:11,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 448 transitions. [2024-12-02 06:24:11,986 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 448 transitions. Word has length 107 [2024-12-02 06:24:11,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:11,986 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 448 transitions. [2024-12-02 06:24:11,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.242424242424242) internal successors, (107), 33 states have internal predecessors, (107), 0 states have call successors, (0), 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 06:24:11,986 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 448 transitions. [2024-12-02 06:24:11,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 06:24:11,987 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:11,987 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] [2024-12-02 06:24:11,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2024-12-02 06:24:11,987 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:11,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:11,987 INFO L85 PathProgramCache]: Analyzing trace with hash -115842433, now seen corresponding path program 1 times [2024-12-02 06:24:11,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:11,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992979409] [2024-12-02 06:24:11,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:11,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:12,388 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 06:24:12,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:12,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992979409] [2024-12-02 06:24:12,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992979409] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:12,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:12,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:24:12,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924189665] [2024-12-02 06:24:12,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:12,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:24:12,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:12,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:24:12,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:24:12,389 INFO L87 Difference]: Start difference. First operand 354 states and 448 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 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 06:24:12,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:12,836 INFO L93 Difference]: Finished difference Result 532 states and 704 transitions. [2024-12-02 06:24:12,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:24:12,837 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2024-12-02 06:24:12,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:12,837 INFO L225 Difference]: With dead ends: 532 [2024-12-02 06:24:12,837 INFO L226 Difference]: Without dead ends: 526 [2024-12-02 06:24:12,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:24:12,837 INFO L435 NwaCegarLoop]: 321 mSDtfsCounter, 877 mSDsluCounter, 1570 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 1891 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:12,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 1891 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:24:12,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-12-02 06:24:12,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 341. [2024-12-02 06:24:12,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 339 states have (on average 1.2743362831858407) internal successors, (432), 340 states have internal predecessors, (432), 0 states have call successors, (0), 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 06:24:12,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 432 transitions. [2024-12-02 06:24:12,840 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 432 transitions. Word has length 108 [2024-12-02 06:24:12,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:12,840 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 432 transitions. [2024-12-02 06:24:12,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 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 06:24:12,840 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 432 transitions. [2024-12-02 06:24:12,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 06:24:12,840 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:12,840 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] [2024-12-02 06:24:12,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2024-12-02 06:24:12,840 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:12,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:12,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1489766619, now seen corresponding path program 1 times [2024-12-02 06:24:12,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:12,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902791699] [2024-12-02 06:24:12,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:12,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:13,227 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 06:24:13,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:13,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902791699] [2024-12-02 06:24:13,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902791699] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:13,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:13,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:24:13,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355085747] [2024-12-02 06:24:13,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:13,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:24:13,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:13,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:24:13,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:24:13,228 INFO L87 Difference]: Start difference. First operand 341 states and 432 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 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 06:24:13,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:13,624 INFO L93 Difference]: Finished difference Result 533 states and 704 transitions. [2024-12-02 06:24:13,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:24:13,624 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2024-12-02 06:24:13,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:13,625 INFO L225 Difference]: With dead ends: 533 [2024-12-02 06:24:13,625 INFO L226 Difference]: Without dead ends: 517 [2024-12-02 06:24:13,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:24:13,625 INFO L435 NwaCegarLoop]: 322 mSDtfsCounter, 840 mSDsluCounter, 1637 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:13,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 1959 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:24:13,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-12-02 06:24:13,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 306. [2024-12-02 06:24:13,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 305 states have (on average 1.2819672131147541) internal successors, (391), 305 states have internal predecessors, (391), 0 states have call successors, (0), 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 06:24:13,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 391 transitions. [2024-12-02 06:24:13,627 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 391 transitions. Word has length 108 [2024-12-02 06:24:13,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:13,627 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 391 transitions. [2024-12-02 06:24:13,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 12 states have internal predecessors, (108), 0 states have call successors, (0), 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 06:24:13,627 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 391 transitions. [2024-12-02 06:24:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 06:24:13,628 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:13,628 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] [2024-12-02 06:24:13,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2024-12-02 06:24:13,628 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:13,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:13,628 INFO L85 PathProgramCache]: Analyzing trace with hash 442348771, now seen corresponding path program 1 times [2024-12-02 06:24:13,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:13,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737270120] [2024-12-02 06:24:13,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:13,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:13,762 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 06:24:13,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:13,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737270120] [2024-12-02 06:24:13,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737270120] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:13,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:13,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:24:13,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075750555] [2024-12-02 06:24:13,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:13,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:24:13,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:13,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:24:13,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:24:13,763 INFO L87 Difference]: Start difference. First operand 306 states and 391 transitions. Second operand has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 0 states have call successors, (0), 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 06:24:13,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:13,924 INFO L93 Difference]: Finished difference Result 2082 states and 3031 transitions. [2024-12-02 06:24:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:24:13,924 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2024-12-02 06:24:13,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:13,925 INFO L225 Difference]: With dead ends: 2082 [2024-12-02 06:24:13,925 INFO L226 Difference]: Without dead ends: 1934 [2024-12-02 06:24:13,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2024-12-02 06:24:13,926 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 2329 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2329 SdHoareTripleChecker+Valid, 1886 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:13,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2329 Valid, 1886 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:24:13,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2024-12-02 06:24:13,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 452. [2024-12-02 06:24:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 451 states have (on average 1.3436807095343681) internal successors, (606), 451 states have internal predecessors, (606), 0 states have call successors, (0), 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 06:24:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 606 transitions. [2024-12-02 06:24:13,932 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 606 transitions. Word has length 140 [2024-12-02 06:24:13,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:13,933 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 606 transitions. [2024-12-02 06:24:13,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 0 states have call successors, (0), 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 06:24:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 606 transitions. [2024-12-02 06:24:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 06:24:13,933 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:13,933 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] [2024-12-02 06:24:13,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2024-12-02 06:24:13,934 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:13,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:13,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1151920748, now seen corresponding path program 1 times [2024-12-02 06:24:13,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:13,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587321071] [2024-12-02 06:24:13,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:13,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:14,077 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 06:24:14,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:14,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587321071] [2024-12-02 06:24:14,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587321071] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:14,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:14,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:24:14,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699037474] [2024-12-02 06:24:14,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:14,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:24:14,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:14,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:24:14,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:24:14,078 INFO L87 Difference]: Start difference. First operand 452 states and 606 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:14,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:14,201 INFO L93 Difference]: Finished difference Result 2364 states and 3432 transitions. [2024-12-02 06:24:14,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:24:14,202 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-12-02 06:24:14,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:14,203 INFO L225 Difference]: With dead ends: 2364 [2024-12-02 06:24:14,203 INFO L226 Difference]: Without dead ends: 2070 [2024-12-02 06:24:14,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:24:14,204 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 1928 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1928 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:14,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1928 Valid, 1248 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:24:14,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2024-12-02 06:24:14,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 744. [2024-12-02 06:24:14,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 743 states have (on average 1.3970390309555856) internal successors, (1038), 743 states have internal predecessors, (1038), 0 states have call successors, (0), 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 06:24:14,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1038 transitions. [2024-12-02 06:24:14,211 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1038 transitions. Word has length 142 [2024-12-02 06:24:14,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:14,211 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1038 transitions. [2024-12-02 06:24:14,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1038 transitions. [2024-12-02 06:24:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 06:24:14,211 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:14,212 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] [2024-12-02 06:24:14,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2024-12-02 06:24:14,212 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:14,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:14,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1593810451, now seen corresponding path program 1 times [2024-12-02 06:24:14,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:14,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657836220] [2024-12-02 06:24:14,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:14,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:14,270 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 06:24:14,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:14,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657836220] [2024-12-02 06:24:14,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657836220] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:14,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:14,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:24:14,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058987704] [2024-12-02 06:24:14,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:14,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:24:14,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:14,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:24:14,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:24:14,271 INFO L87 Difference]: Start difference. First operand 744 states and 1038 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:14,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:14,298 INFO L93 Difference]: Finished difference Result 1864 states and 2680 transitions. [2024-12-02 06:24:14,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:24:14,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-12-02 06:24:14,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:14,300 INFO L225 Difference]: With dead ends: 1864 [2024-12-02 06:24:14,300 INFO L226 Difference]: Without dead ends: 1278 [2024-12-02 06:24:14,300 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 06:24:14,300 INFO L435 NwaCegarLoop]: 327 mSDtfsCounter, 98 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:14,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 545 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:24:14,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2024-12-02 06:24:14,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1276. [2024-12-02 06:24:14,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1275 states have (on average 1.4086274509803922) internal successors, (1796), 1275 states have internal predecessors, (1796), 0 states have call successors, (0), 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 06:24:14,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1796 transitions. [2024-12-02 06:24:14,308 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1796 transitions. Word has length 142 [2024-12-02 06:24:14,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:14,308 INFO L471 AbstractCegarLoop]: Abstraction has 1276 states and 1796 transitions. [2024-12-02 06:24:14,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:14,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1796 transitions. [2024-12-02 06:24:14,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 06:24:14,309 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:14,309 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] [2024-12-02 06:24:14,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2024-12-02 06:24:14,309 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:14,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:14,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1660303963, now seen corresponding path program 1 times [2024-12-02 06:24:14,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:14,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309010625] [2024-12-02 06:24:14,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:14,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:14,552 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 06:24:14,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:14,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309010625] [2024-12-02 06:24:14,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309010625] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:14,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:14,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:24:14,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324901611] [2024-12-02 06:24:14,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:14,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:24:14,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:14,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:24:14,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:24:14,553 INFO L87 Difference]: Start difference. First operand 1276 states and 1796 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:14,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:14,731 INFO L93 Difference]: Finished difference Result 2396 states and 3422 transitions. [2024-12-02 06:24:14,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:24:14,732 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-12-02 06:24:14,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:14,732 INFO L225 Difference]: With dead ends: 2396 [2024-12-02 06:24:14,732 INFO L226 Difference]: Without dead ends: 1278 [2024-12-02 06:24:14,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:24:14,733 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 301 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:14,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 760 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:24:14,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2024-12-02 06:24:14,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1276. [2024-12-02 06:24:14,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1275 states have (on average 1.4054901960784314) internal successors, (1792), 1275 states have internal predecessors, (1792), 0 states have call successors, (0), 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 06:24:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1792 transitions. [2024-12-02 06:24:14,740 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1792 transitions. Word has length 142 [2024-12-02 06:24:14,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:14,740 INFO L471 AbstractCegarLoop]: Abstraction has 1276 states and 1792 transitions. [2024-12-02 06:24:14,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:14,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1792 transitions. [2024-12-02 06:24:14,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 06:24:14,740 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:14,741 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] [2024-12-02 06:24:14,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2024-12-02 06:24:14,741 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:14,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:14,741 INFO L85 PathProgramCache]: Analyzing trace with hash 455110252, now seen corresponding path program 1 times [2024-12-02 06:24:14,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:14,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150680410] [2024-12-02 06:24:14,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:14,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:14,879 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 06:24:14,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:14,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150680410] [2024-12-02 06:24:14,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150680410] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:14,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:14,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:24:14,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794496499] [2024-12-02 06:24:14,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:14,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:24:14,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:14,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:24:14,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:24:14,880 INFO L87 Difference]: Start difference. First operand 1276 states and 1792 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:15,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:15,018 INFO L93 Difference]: Finished difference Result 4918 states and 7075 transitions. [2024-12-02 06:24:15,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:24:15,019 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-12-02 06:24:15,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:15,021 INFO L225 Difference]: With dead ends: 4918 [2024-12-02 06:24:15,021 INFO L226 Difference]: Without dead ends: 4358 [2024-12-02 06:24:15,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:24:15,022 INFO L435 NwaCegarLoop]: 334 mSDtfsCounter, 1792 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1792 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:15,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1792 Valid, 1311 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:24:15,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4358 states. [2024-12-02 06:24:15,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4358 to 2114. [2024-12-02 06:24:15,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2114 states, 2113 states have (on average 1.4216753431140559) internal successors, (3004), 2113 states have internal predecessors, (3004), 0 states have call successors, (0), 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 06:24:15,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 3004 transitions. [2024-12-02 06:24:15,040 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 3004 transitions. Word has length 142 [2024-12-02 06:24:15,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:15,040 INFO L471 AbstractCegarLoop]: Abstraction has 2114 states and 3004 transitions. [2024-12-02 06:24:15,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 3004 transitions. [2024-12-02 06:24:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 06:24:15,040 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:15,040 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] [2024-12-02 06:24:15,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2024-12-02 06:24:15,041 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:15,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:15,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1544803220, now seen corresponding path program 1 times [2024-12-02 06:24:15,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:15,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28711583] [2024-12-02 06:24:15,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:15,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:15,189 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 06:24:15,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:15,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28711583] [2024-12-02 06:24:15,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28711583] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:15,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:15,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:24:15,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099429785] [2024-12-02 06:24:15,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:15,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:24:15,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:15,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:24:15,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:24:15,190 INFO L87 Difference]: Start difference. First operand 2114 states and 3004 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:15,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:15,334 INFO L93 Difference]: Finished difference Result 5476 states and 7883 transitions. [2024-12-02 06:24:15,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:24:15,334 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-12-02 06:24:15,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:15,337 INFO L225 Difference]: With dead ends: 5476 [2024-12-02 06:24:15,337 INFO L226 Difference]: Without dead ends: 4916 [2024-12-02 06:24:15,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:24:15,338 INFO L435 NwaCegarLoop]: 334 mSDtfsCounter, 1647 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:15,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1647 Valid, 1404 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:24:15,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4916 states. [2024-12-02 06:24:15,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4916 to 2672. [2024-12-02 06:24:15,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2672 states, 2671 states have (on average 1.4271808311493823) internal successors, (3812), 2671 states have internal predecessors, (3812), 0 states have call successors, (0), 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 06:24:15,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3812 transitions. [2024-12-02 06:24:15,361 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3812 transitions. Word has length 142 [2024-12-02 06:24:15,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:15,361 INFO L471 AbstractCegarLoop]: Abstraction has 2672 states and 3812 transitions. [2024-12-02 06:24:15,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:15,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3812 transitions. [2024-12-02 06:24:15,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 06:24:15,362 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:15,362 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] [2024-12-02 06:24:15,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2024-12-02 06:24:15,362 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:15,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:15,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1663653780, now seen corresponding path program 1 times [2024-12-02 06:24:15,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:15,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563500552] [2024-12-02 06:24:15,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:15,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:15,496 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 06:24:15,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:15,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563500552] [2024-12-02 06:24:15,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563500552] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:15,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:15,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:24:15,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289768834] [2024-12-02 06:24:15,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:15,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:24:15,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:15,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:24:15,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:24:15,498 INFO L87 Difference]: Start difference. First operand 2672 states and 3812 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:15,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:15,613 INFO L93 Difference]: Finished difference Result 6034 states and 8691 transitions. [2024-12-02 06:24:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:24:15,614 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-12-02 06:24:15,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:15,616 INFO L225 Difference]: With dead ends: 6034 [2024-12-02 06:24:15,616 INFO L226 Difference]: Without dead ends: 5474 [2024-12-02 06:24:15,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:24:15,617 INFO L435 NwaCegarLoop]: 334 mSDtfsCounter, 1599 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:15,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1599 Valid, 1551 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:24:15,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5474 states. [2024-12-02 06:24:15,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5474 to 3230. [2024-12-02 06:24:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3230 states, 3229 states have (on average 1.4307835243109321) internal successors, (4620), 3229 states have internal predecessors, (4620), 0 states have call successors, (0), 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 06:24:15,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3230 states to 3230 states and 4620 transitions. [2024-12-02 06:24:15,643 INFO L78 Accepts]: Start accepts. Automaton has 3230 states and 4620 transitions. Word has length 142 [2024-12-02 06:24:15,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:15,643 INFO L471 AbstractCegarLoop]: Abstraction has 3230 states and 4620 transitions. [2024-12-02 06:24:15,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:15,643 INFO L276 IsEmpty]: Start isEmpty. Operand 3230 states and 4620 transitions. [2024-12-02 06:24:15,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 06:24:15,643 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:15,643 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] [2024-12-02 06:24:15,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2024-12-02 06:24:15,643 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:15,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:15,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1946851732, now seen corresponding path program 1 times [2024-12-02 06:24:15,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:15,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84973877] [2024-12-02 06:24:15,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:15,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:15,796 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 06:24:15,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:15,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84973877] [2024-12-02 06:24:15,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84973877] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:15,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:15,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:24:15,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018921729] [2024-12-02 06:24:15,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:15,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:24:15,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:15,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:24:15,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:24:15,798 INFO L87 Difference]: Start difference. First operand 3230 states and 4620 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:15,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:15,948 INFO L93 Difference]: Finished difference Result 6592 states and 9499 transitions. [2024-12-02 06:24:15,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:24:15,948 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-12-02 06:24:15,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:15,951 INFO L225 Difference]: With dead ends: 6592 [2024-12-02 06:24:15,951 INFO L226 Difference]: Without dead ends: 6032 [2024-12-02 06:24:15,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:24:15,952 INFO L435 NwaCegarLoop]: 335 mSDtfsCounter, 1651 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 1573 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:15,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 1573 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:24:15,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6032 states. [2024-12-02 06:24:15,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6032 to 3788. [2024-12-02 06:24:15,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3788 states, 3787 states have (on average 1.4333245312912595) internal successors, (5428), 3787 states have internal predecessors, (5428), 0 states have call successors, (0), 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 06:24:15,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 3788 states and 5428 transitions. [2024-12-02 06:24:15,982 INFO L78 Accepts]: Start accepts. Automaton has 3788 states and 5428 transitions. Word has length 142 [2024-12-02 06:24:15,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:15,982 INFO L471 AbstractCegarLoop]: Abstraction has 3788 states and 5428 transitions. [2024-12-02 06:24:15,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:15,982 INFO L276 IsEmpty]: Start isEmpty. Operand 3788 states and 5428 transitions. [2024-12-02 06:24:15,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 06:24:15,983 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:15,983 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] [2024-12-02 06:24:15,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2024-12-02 06:24:15,983 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:15,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:15,983 INFO L85 PathProgramCache]: Analyzing trace with hash 830809196, now seen corresponding path program 1 times [2024-12-02 06:24:15,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:15,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289382106] [2024-12-02 06:24:15,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:15,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:16,118 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 06:24:16,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:16,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289382106] [2024-12-02 06:24:16,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289382106] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:16,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:16,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:24:16,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039892958] [2024-12-02 06:24:16,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:16,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:24:16,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:16,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:24:16,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:24:16,119 INFO L87 Difference]: Start difference. First operand 3788 states and 5428 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:16,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:16,244 INFO L93 Difference]: Finished difference Result 7150 states and 10307 transitions. [2024-12-02 06:24:16,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:24:16,245 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2024-12-02 06:24:16,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:16,248 INFO L225 Difference]: With dead ends: 7150 [2024-12-02 06:24:16,248 INFO L226 Difference]: Without dead ends: 6590 [2024-12-02 06:24:16,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:24:16,250 INFO L435 NwaCegarLoop]: 328 mSDtfsCounter, 1653 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1653 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:16,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1653 Valid, 1403 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:24:16,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6590 states. [2024-12-02 06:24:16,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6590 to 4346. [2024-12-02 06:24:16,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4346 states, 4345 states have (on average 1.4352128883774453) internal successors, (6236), 4345 states have internal predecessors, (6236), 0 states have call successors, (0), 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 06:24:16,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 4346 states and 6236 transitions. [2024-12-02 06:24:16,283 INFO L78 Accepts]: Start accepts. Automaton has 4346 states and 6236 transitions. Word has length 142 [2024-12-02 06:24:16,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:16,283 INFO L471 AbstractCegarLoop]: Abstraction has 4346 states and 6236 transitions. [2024-12-02 06:24:16,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 0 states have call successors, (0), 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 06:24:16,283 INFO L276 IsEmpty]: Start isEmpty. Operand 4346 states and 6236 transitions. [2024-12-02 06:24:16,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 06:24:16,284 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:16,284 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] [2024-12-02 06:24:16,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2024-12-02 06:24:16,284 INFO L396 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:16,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:16,284 INFO L85 PathProgramCache]: Analyzing trace with hash -2118577671, now seen corresponding path program 1 times [2024-12-02 06:24:16,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:16,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641975571] [2024-12-02 06:24:16,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:16,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:16,396 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 06:24:16,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:16,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641975571] [2024-12-02 06:24:16,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641975571] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:16,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:16,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:24:16,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153955149] [2024-12-02 06:24:16,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:16,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:24:16,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:16,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:24:16,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:24:16,398 INFO L87 Difference]: Start difference. First operand 4346 states and 6236 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 06:24:16,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:16,427 INFO L93 Difference]: Finished difference Result 10952 states and 15754 transitions. [2024-12-02 06:24:16,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:24:16,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2024-12-02 06:24:16,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:16,431 INFO L225 Difference]: With dead ends: 10952 [2024-12-02 06:24:16,431 INFO L226 Difference]: Without dead ends: 6764 [2024-12-02 06:24:16,433 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 06:24:16,433 INFO L435 NwaCegarLoop]: 326 mSDtfsCounter, 113 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 500 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 06:24:16,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 500 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:24:16,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6764 states. [2024-12-02 06:24:16,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6764 to 6522. [2024-12-02 06:24:16,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6522 states, 6521 states have (on average 1.4258549302254255) internal successors, (9298), 6521 states have internal predecessors, (9298), 0 states have call successors, (0), 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 06:24:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6522 states to 6522 states and 9298 transitions. [2024-12-02 06:24:16,476 INFO L78 Accepts]: Start accepts. Automaton has 6522 states and 9298 transitions. Word has length 143 [2024-12-02 06:24:16,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:16,476 INFO L471 AbstractCegarLoop]: Abstraction has 6522 states and 9298 transitions. [2024-12-02 06:24:16,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 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 06:24:16,476 INFO L276 IsEmpty]: Start isEmpty. Operand 6522 states and 9298 transitions. [2024-12-02 06:24:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 06:24:16,476 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:16,476 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] [2024-12-02 06:24:16,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2024-12-02 06:24:16,477 INFO L396 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:16,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:16,477 INFO L85 PathProgramCache]: Analyzing trace with hash -589601235, now seen corresponding path program 1 times [2024-12-02 06:24:16,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:16,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199128681] [2024-12-02 06:24:16,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:16,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:16,535 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 06:24:16,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:16,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199128681] [2024-12-02 06:24:16,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199128681] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:16,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:16,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:24:16,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178680784] [2024-12-02 06:24:16,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:16,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:24:16,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:16,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:24:16,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:24:16,536 INFO L87 Difference]: Start difference. First operand 6522 states and 9298 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 06:24:16,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:16,573 INFO L93 Difference]: Finished difference Result 13034 states and 18635 transitions. [2024-12-02 06:24:16,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:24:16,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 144 [2024-12-02 06:24:16,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:16,576 INFO L225 Difference]: With dead ends: 13034 [2024-12-02 06:24:16,576 INFO L226 Difference]: Without dead ends: 6670 [2024-12-02 06:24:16,579 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 06:24:16,579 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 134 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:16,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 379 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:24:16,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6670 states. [2024-12-02 06:24:16,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6670 to 6668. [2024-12-02 06:24:16,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6668 states, 6667 states have (on average 1.416679166041698) internal successors, (9445), 6667 states have internal predecessors, (9445), 0 states have call successors, (0), 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 06:24:16,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6668 states to 6668 states and 9445 transitions. [2024-12-02 06:24:16,621 INFO L78 Accepts]: Start accepts. Automaton has 6668 states and 9445 transitions. Word has length 144 [2024-12-02 06:24:16,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:16,622 INFO L471 AbstractCegarLoop]: Abstraction has 6668 states and 9445 transitions. [2024-12-02 06:24:16,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 06:24:16,622 INFO L276 IsEmpty]: Start isEmpty. Operand 6668 states and 9445 transitions. [2024-12-02 06:24:16,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 06:24:16,622 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:16,622 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] [2024-12-02 06:24:16,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2024-12-02 06:24:16,622 INFO L396 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:16,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:16,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1007166574, now seen corresponding path program 1 times [2024-12-02 06:24:16,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:16,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197495919] [2024-12-02 06:24:16,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:16,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:16,743 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 06:24:16,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:16,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197495919] [2024-12-02 06:24:16,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197495919] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:16,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:16,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:24:16,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929955423] [2024-12-02 06:24:16,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:16,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:24:16,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:16,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:24:16,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:24:16,745 INFO L87 Difference]: Start difference. First operand 6668 states and 9445 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 06:24:16,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:16,796 INFO L93 Difference]: Finished difference Result 19320 states and 27349 transitions. [2024-12-02 06:24:16,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:24:16,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 144 [2024-12-02 06:24:16,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:16,804 INFO L225 Difference]: With dead ends: 19320 [2024-12-02 06:24:16,805 INFO L226 Difference]: Without dead ends: 12810 [2024-12-02 06:24:16,809 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 06:24:16,810 INFO L435 NwaCegarLoop]: 315 mSDtfsCounter, 106 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 497 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 06:24:16,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 497 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:24:16,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12810 states. [2024-12-02 06:24:16,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12810 to 12440. [2024-12-02 06:24:16,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12440 states, 12439 states have (on average 1.4086341345767344) internal successors, (17522), 12439 states have internal predecessors, (17522), 0 states have call successors, (0), 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 06:24:16,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12440 states to 12440 states and 17522 transitions. [2024-12-02 06:24:16,902 INFO L78 Accepts]: Start accepts. Automaton has 12440 states and 17522 transitions. Word has length 144 [2024-12-02 06:24:16,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:16,903 INFO L471 AbstractCegarLoop]: Abstraction has 12440 states and 17522 transitions. [2024-12-02 06:24:16,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 06:24:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 12440 states and 17522 transitions. [2024-12-02 06:24:16,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 06:24:16,903 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:16,903 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] [2024-12-02 06:24:16,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2024-12-02 06:24:16,904 INFO L396 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:16,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:16,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1312260622, now seen corresponding path program 1 times [2024-12-02 06:24:16,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:16,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360088224] [2024-12-02 06:24:16,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:16,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:17,043 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 06:24:17,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:17,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360088224] [2024-12-02 06:24:17,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360088224] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:17,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:17,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:24:17,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098131810] [2024-12-02 06:24:17,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:17,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:24:17,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:17,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:24:17,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:24:17,044 INFO L87 Difference]: Start difference. First operand 12440 states and 17522 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 06:24:17,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:17,098 INFO L93 Difference]: Finished difference Result 36268 states and 50936 transitions. [2024-12-02 06:24:17,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:24:17,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2024-12-02 06:24:17,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:17,111 INFO L225 Difference]: With dead ends: 36268 [2024-12-02 06:24:17,111 INFO L226 Difference]: Without dead ends: 23986 [2024-12-02 06:24:17,118 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 06:24:17,118 INFO L435 NwaCegarLoop]: 308 mSDtfsCounter, 99 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 498 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 06:24:17,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 498 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:24:17,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23986 states. [2024-12-02 06:24:17,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23986 to 23248. [2024-12-02 06:24:17,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23248 states, 23247 states have (on average 1.397169527250828) internal successors, (32480), 23247 states have internal predecessors, (32480), 0 states have call successors, (0), 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 06:24:17,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23248 states to 23248 states and 32480 transitions. [2024-12-02 06:24:17,293 INFO L78 Accepts]: Start accepts. Automaton has 23248 states and 32480 transitions. Word has length 145 [2024-12-02 06:24:17,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:17,293 INFO L471 AbstractCegarLoop]: Abstraction has 23248 states and 32480 transitions. [2024-12-02 06:24:17,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 06:24:17,294 INFO L276 IsEmpty]: Start isEmpty. Operand 23248 states and 32480 transitions. [2024-12-02 06:24:17,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 06:24:17,294 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:17,294 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] [2024-12-02 06:24:17,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2024-12-02 06:24:17,294 INFO L396 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:17,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:17,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1413575230, now seen corresponding path program 1 times [2024-12-02 06:24:17,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:17,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822869010] [2024-12-02 06:24:17,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:17,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:17,397 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 06:24:17,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:17,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822869010] [2024-12-02 06:24:17,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822869010] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:17,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:17,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:24:17,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145377920] [2024-12-02 06:24:17,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:17,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:24:17,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:17,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:24:17,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:24:17,398 INFO L87 Difference]: Start difference. First operand 23248 states and 32480 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 06:24:17,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:17,489 INFO L93 Difference]: Finished difference Result 67956 states and 94522 transitions. [2024-12-02 06:24:17,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:24:17,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 146 [2024-12-02 06:24:17,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:17,515 INFO L225 Difference]: With dead ends: 67956 [2024-12-02 06:24:17,515 INFO L226 Difference]: Without dead ends: 44866 [2024-12-02 06:24:17,529 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 06:24:17,529 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 92 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 499 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 06:24:17,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 499 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:24:17,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44866 states. [2024-12-02 06:24:17,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44866 to 43392. [2024-12-02 06:24:17,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43392 states, 43391 states have (on average 1.3828674149017077) internal successors, (60004), 43391 states have internal predecessors, (60004), 0 states have call successors, (0), 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 06:24:17,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43392 states to 43392 states and 60004 transitions. [2024-12-02 06:24:17,868 INFO L78 Accepts]: Start accepts. Automaton has 43392 states and 60004 transitions. Word has length 146 [2024-12-02 06:24:17,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:17,868 INFO L471 AbstractCegarLoop]: Abstraction has 43392 states and 60004 transitions. [2024-12-02 06:24:17,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 06:24:17,868 INFO L276 IsEmpty]: Start isEmpty. Operand 43392 states and 60004 transitions. [2024-12-02 06:24:17,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 06:24:17,869 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:17,869 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] [2024-12-02 06:24:17,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2024-12-02 06:24:17,869 INFO L396 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:17,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:17,869 INFO L85 PathProgramCache]: Analyzing trace with hash -883148830, now seen corresponding path program 1 times [2024-12-02 06:24:17,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:17,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533169259] [2024-12-02 06:24:17,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:17,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:17,973 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 06:24:17,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:17,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533169259] [2024-12-02 06:24:17,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533169259] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:17,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:17,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:24:17,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425825926] [2024-12-02 06:24:17,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:17,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:24:17,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:17,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:24:17,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:24:17,974 INFO L87 Difference]: Start difference. First operand 43392 states and 60004 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 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 06:24:18,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:18,197 INFO L93 Difference]: Finished difference Result 126916 states and 174518 transitions. [2024-12-02 06:24:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:24:18,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2024-12-02 06:24:18,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:18,247 INFO L225 Difference]: With dead ends: 126916 [2024-12-02 06:24:18,247 INFO L226 Difference]: Without dead ends: 83682 [2024-12-02 06:24:18,270 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 06:24:18,270 INFO L435 NwaCegarLoop]: 293 mSDtfsCounter, 85 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 499 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 06:24:18,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 499 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:24:18,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83682 states. [2024-12-02 06:24:19,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83682 to 80736. [2024-12-02 06:24:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80736 states, 80735 states have (on average 1.3658016969096427) internal successors, (110268), 80735 states have internal predecessors, (110268), 0 states have call successors, (0), 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 06:24:19,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80736 states to 80736 states and 110268 transitions. [2024-12-02 06:24:19,195 INFO L78 Accepts]: Start accepts. Automaton has 80736 states and 110268 transitions. Word has length 147 [2024-12-02 06:24:19,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:19,195 INFO L471 AbstractCegarLoop]: Abstraction has 80736 states and 110268 transitions. [2024-12-02 06:24:19,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 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 06:24:19,195 INFO L276 IsEmpty]: Start isEmpty. Operand 80736 states and 110268 transitions. [2024-12-02 06:24:19,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 06:24:19,196 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:19,196 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] [2024-12-02 06:24:19,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2024-12-02 06:24:19,196 INFO L396 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:19,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:19,197 INFO L85 PathProgramCache]: Analyzing trace with hash -496723178, now seen corresponding path program 1 times [2024-12-02 06:24:19,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:19,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048425318] [2024-12-02 06:24:19,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:19,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:19,371 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 06:24:19,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:19,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048425318] [2024-12-02 06:24:19,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048425318] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:19,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:19,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:24:19,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949236563] [2024-12-02 06:24:19,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:19,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:24:19,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:19,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:24:19,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:24:19,372 INFO L87 Difference]: Start difference. First operand 80736 states and 110268 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 06:24:19,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:19,862 INFO L93 Difference]: Finished difference Result 236004 states and 320158 transitions. [2024-12-02 06:24:19,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:24:19,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2024-12-02 06:24:19,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:19,973 INFO L225 Difference]: With dead ends: 236004 [2024-12-02 06:24:19,973 INFO L226 Difference]: Without dead ends: 155426 [2024-12-02 06:24:20,015 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 06:24:20,015 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 75 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:20,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 499 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:24:20,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155426 states. [2024-12-02 06:24:21,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155426 to 149536. [2024-12-02 06:24:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149536 states, 149535 states have (on average 1.3456916440966997) internal successors, (201228), 149535 states have internal predecessors, (201228), 0 states have call successors, (0), 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 06:24:21,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149536 states to 149536 states and 201228 transitions. [2024-12-02 06:24:21,438 INFO L78 Accepts]: Start accepts. Automaton has 149536 states and 201228 transitions. Word has length 148 [2024-12-02 06:24:21,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:21,438 INFO L471 AbstractCegarLoop]: Abstraction has 149536 states and 201228 transitions. [2024-12-02 06:24:21,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 06:24:21,438 INFO L276 IsEmpty]: Start isEmpty. Operand 149536 states and 201228 transitions. [2024-12-02 06:24:21,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 06:24:21,439 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:21,439 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] [2024-12-02 06:24:21,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2024-12-02 06:24:21,439 INFO L396 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:21,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:21,440 INFO L85 PathProgramCache]: Analyzing trace with hash -860098122, now seen corresponding path program 1 times [2024-12-02 06:24:21,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:21,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744352180] [2024-12-02 06:24:21,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:21,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:21,987 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 06:24:21,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:21,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744352180] [2024-12-02 06:24:21,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744352180] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:24:21,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:24:21,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:24:21,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102677872] [2024-12-02 06:24:21,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:24:21,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:24:21,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:21,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:24:21,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:24:21,989 INFO L87 Difference]: Start difference. First operand 149536 states and 201228 transitions. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 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 06:24:22,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:22,341 INFO L93 Difference]: Finished difference Result 152226 states and 204813 transitions. [2024-12-02 06:24:22,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:24:22,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2024-12-02 06:24:22,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:22,473 INFO L225 Difference]: With dead ends: 152226 [2024-12-02 06:24:22,473 INFO L226 Difference]: Without dead ends: 152224 [2024-12-02 06:24:22,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:24:22,506 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 0 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:22,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1128 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:24:22,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152224 states. [2024-12-02 06:24:23,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152224 to 152224. [2024-12-02 06:24:23,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152224 states, 152223 states have (on average 1.332860343049342) internal successors, (202892), 152223 states have internal predecessors, (202892), 0 states have call successors, (0), 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 06:24:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152224 states to 152224 states and 202892 transitions. [2024-12-02 06:24:24,038 INFO L78 Accepts]: Start accepts. Automaton has 152224 states and 202892 transitions. Word has length 149 [2024-12-02 06:24:24,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:24,039 INFO L471 AbstractCegarLoop]: Abstraction has 152224 states and 202892 transitions. [2024-12-02 06:24:24,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 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 06:24:24,039 INFO L276 IsEmpty]: Start isEmpty. Operand 152224 states and 202892 transitions. [2024-12-02 06:24:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-12-02 06:24:24,049 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:24,050 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:24:24,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2024-12-02 06:24:24,050 INFO L396 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:24,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:24,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1640872509, now seen corresponding path program 1 times [2024-12-02 06:24:24,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:24,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660791556] [2024-12-02 06:24:24,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:24,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:24,953 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:24:24,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:24,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660791556] [2024-12-02 06:24:24,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660791556] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:24:24,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262418403] [2024-12-02 06:24:24,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:24,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:24:24,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:24:24,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:24:24,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:24:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:25,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 1432 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 06:24:25,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:24:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:24:26,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:24:28,684 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:24:28,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262418403] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:24:28,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:24:28,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 30 [2024-12-02 06:24:28,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699272908] [2024-12-02 06:24:28,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:24:28,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-12-02 06:24:28,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:28,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-12-02 06:24:28,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=818, Unknown=0, NotChecked=0, Total=930 [2024-12-02 06:24:28,686 INFO L87 Difference]: Start difference. First operand 152224 states and 202892 transitions. Second operand has 31 states, 31 states have (on average 16.225806451612904) internal successors, (503), 30 states have internal predecessors, (503), 0 states have call successors, (0), 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 06:24:41,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:24:41,846 INFO L93 Difference]: Finished difference Result 1316194 states and 1740781 transitions. [2024-12-02 06:24:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-12-02 06:24:41,847 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 16.225806451612904) internal successors, (503), 30 states have internal predecessors, (503), 0 states have call successors, (0), 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 185 [2024-12-02 06:24:41,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:24:43,140 INFO L225 Difference]: With dead ends: 1316194 [2024-12-02 06:24:43,140 INFO L226 Difference]: Without dead ends: 1164128 [2024-12-02 06:24:43,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10697 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=4761, Invalid=27459, Unknown=0, NotChecked=0, Total=32220 [2024-12-02 06:24:43,500 INFO L435 NwaCegarLoop]: 307 mSDtfsCounter, 10822 mSDsluCounter, 4316 mSDsCounter, 0 mSdLazyCounter, 5100 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10822 SdHoareTripleChecker+Valid, 4623 SdHoareTripleChecker+Invalid, 5218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 5100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:24:43,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10822 Valid, 4623 Invalid, 5218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 5100 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-12-02 06:24:43,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164128 states. [2024-12-02 06:24:51,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164128 to 750858. [2024-12-02 06:24:51,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750858 states, 750857 states have (on average 1.3222837371163882) internal successors, (992846), 750857 states have internal predecessors, (992846), 0 states have call successors, (0), 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 06:24:53,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750858 states to 750858 states and 992846 transitions. [2024-12-02 06:24:53,393 INFO L78 Accepts]: Start accepts. Automaton has 750858 states and 992846 transitions. Word has length 185 [2024-12-02 06:24:53,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:24:53,393 INFO L471 AbstractCegarLoop]: Abstraction has 750858 states and 992846 transitions. [2024-12-02 06:24:53,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 16.225806451612904) internal successors, (503), 30 states have internal predecessors, (503), 0 states have call successors, (0), 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 06:24:53,393 INFO L276 IsEmpty]: Start isEmpty. Operand 750858 states and 992846 transitions. [2024-12-02 06:24:53,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 06:24:53,815 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:24:53,816 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:24:53,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:24:54,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2024-12-02 06:24:54,016 INFO L396 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:24:54,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:24:54,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1570774741, now seen corresponding path program 1 times [2024-12-02 06:24:54,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:24:54,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279605646] [2024-12-02 06:24:54,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:54,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:24:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:54,791 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:24:54,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:24:54,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279605646] [2024-12-02 06:24:54,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279605646] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:24:54,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298417260] [2024-12-02 06:24:54,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:24:54,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:24:54,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:24:54,792 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:24:54,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 06:24:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:24:55,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 06:24:55,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:24:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:24:56,260 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:24:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:24:56,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298417260] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:24:56,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:24:56,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 9] total 30 [2024-12-02 06:24:56,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617168718] [2024-12-02 06:24:56,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:24:56,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-12-02 06:24:56,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:24:56,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-12-02 06:24:56,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=789, Unknown=0, NotChecked=0, Total=870 [2024-12-02 06:24:56,963 INFO L87 Difference]: Start difference. First operand 750858 states and 992846 transitions. Second operand has 30 states, 30 states have (on average 17.133333333333333) internal successors, (514), 30 states have internal predecessors, (514), 0 states have call successors, (0), 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 06:25:21,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:25:21,770 INFO L93 Difference]: Finished difference Result 5786950 states and 7599820 transitions. [2024-12-02 06:25:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-12-02 06:25:21,770 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 17.133333333333333) internal successors, (514), 30 states have internal predecessors, (514), 0 states have call successors, (0), 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 186 [2024-12-02 06:25:21,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:25:27,896 INFO L225 Difference]: With dead ends: 5786950 [2024-12-02 06:25:27,896 INFO L226 Difference]: Without dead ends: 5036324 [2024-12-02 06:25:28,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22621 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=7278, Invalid=52992, Unknown=0, NotChecked=0, Total=60270 [2024-12-02 06:25:28,406 INFO L435 NwaCegarLoop]: 337 mSDtfsCounter, 7961 mSDsluCounter, 5422 mSDsCounter, 0 mSdLazyCounter, 7384 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7961 SdHoareTripleChecker+Valid, 5759 SdHoareTripleChecker+Invalid, 7465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 7384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:25:28,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7961 Valid, 5759 Invalid, 7465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 7384 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-12-02 06:25:30,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5036324 states. [2024-12-02 06:25:59,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5036324 to 1767622. [2024-12-02 06:25:59,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1767622 states, 1767621 states have (on average 1.3199922381551248) internal successors, (2333246), 1767621 states have internal predecessors, (2333246), 0 states have call successors, (0), 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 06:26:04,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767622 states to 1767622 states and 2333246 transitions. [2024-12-02 06:26:04,155 INFO L78 Accepts]: Start accepts. Automaton has 1767622 states and 2333246 transitions. Word has length 186 [2024-12-02 06:26:04,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:26:04,155 INFO L471 AbstractCegarLoop]: Abstraction has 1767622 states and 2333246 transitions. [2024-12-02 06:26:04,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 17.133333333333333) internal successors, (514), 30 states have internal predecessors, (514), 0 states have call successors, (0), 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 06:26:04,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1767622 states and 2333246 transitions. [2024-12-02 06:26:04,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-12-02 06:26:04,250 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:26:04,250 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:26:04,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 06:26:04,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:26:04,450 INFO L396 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-12-02 06:26:04,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:26:04,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1772152690, now seen corresponding path program 1 times [2024-12-02 06:26:04,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:26:04,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316714336] [2024-12-02 06:26:04,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:26:04,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:26:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:26:05,445 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:26:05,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:26:05,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316714336] [2024-12-02 06:26:05,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316714336] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:26:05,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497876279] [2024-12-02 06:26:05,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:26:05,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:26:05,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:26:05,447 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:26:05,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1861c8d9-2033-48d7-8bb3-6766a12de80c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 06:26:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:26:06,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 06:26:06,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:26:06,807 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:26:06,807 INFO L312 TraceCheckSpWp]: Computing backward predicates...