./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/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 297d4f7e6fe1324d357f4812a6556f1cd58caa692e4601779e6f52e2ab17fbf7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:37:11,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:37:11,522 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:37:11,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:37:11,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:37:11,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:37:11,545 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:37:11,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:37:11,546 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:37:11,546 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:37:11,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:37:11,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:37:11,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:37:11,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:37:11,547 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:37:11,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:37:11,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:37:11,547 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:37:11,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:37:11,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:37:11,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:37:11,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:37:11,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:37:11,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:37:11,547 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:37:11,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:37:11,547 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:37:11,548 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:37:11,548 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:37:11,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:37:11,548 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:37:11,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:37:11,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:37:11,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:37:11,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:37:11,548 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:37:11,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:37:11,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:37:11,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:37:11,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:37:11,549 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:37:11,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:37:11,549 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:37:11,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:37:11,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:37:11,549 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:37:11,549 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:37:11,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:37:11,549 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/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 -> 297d4f7e6fe1324d357f4812a6556f1cd58caa692e4601779e6f52e2ab17fbf7 [2024-12-02 06:37:11,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:37:11,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:37:11,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:37:11,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:37:11,777 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:37:11,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-12-02 06:37:14,414 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/data/303fe8fbe/b6264a89585442cda7da7536d3d72552/FLAG4c5280e71 [2024-12-02 06:37:14,726 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:37:14,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-12-02 06:37:14,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/data/303fe8fbe/b6264a89585442cda7da7536d3d72552/FLAG4c5280e71 [2024-12-02 06:37:14,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/data/303fe8fbe/b6264a89585442cda7da7536d3d72552 [2024-12-02 06:37:14,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:37:14,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:37:14,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:37:14,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:37:14,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:37:14,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:37:14" (1/1) ... [2024-12-02 06:37:14,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf56f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:14, skipping insertion in model container [2024-12-02 06:37:14,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:37:14" (1/1) ... [2024-12-02 06:37:14,807 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:37:15,046 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16948,16961] [2024-12-02 06:37:15,077 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[23372,23385] [2024-12-02 06:37:15,090 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26559,26572] [2024-12-02 06:37:15,103 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[29535,29548] [2024-12-02 06:37:15,116 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33298,33311] [2024-12-02 06:37:15,126 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[36350,36363] [2024-12-02 06:37:15,138 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[39535,39548] [2024-12-02 06:37:15,145 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[42506,42519] [2024-12-02 06:37:15,156 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[45890,45903] [2024-12-02 06:37:15,165 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[48876,48889] [2024-12-02 06:37:15,174 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[52025,52038] [2024-12-02 06:37:15,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:37:15,214 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:37:15,284 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16948,16961] [2024-12-02 06:37:15,298 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[23372,23385] [2024-12-02 06:37:15,306 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26559,26572] [2024-12-02 06:37:15,312 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[29535,29548] [2024-12-02 06:37:15,321 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33298,33311] [2024-12-02 06:37:15,327 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[36350,36363] [2024-12-02 06:37:15,334 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[39535,39548] [2024-12-02 06:37:15,340 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[42506,42519] [2024-12-02 06:37:15,347 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[45890,45903] [2024-12-02 06:37:15,354 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[48876,48889] [2024-12-02 06:37:15,361 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_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[52025,52038] [2024-12-02 06:37:15,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:37:15,388 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:37:15,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15 WrapperNode [2024-12-02 06:37:15,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:37:15,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:37:15,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:37:15,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:37:15,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15" (1/1) ... [2024-12-02 06:37:15,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15" (1/1) ... [2024-12-02 06:37:15,479 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2763 [2024-12-02 06:37:15,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:37:15,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:37:15,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:37:15,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:37:15,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15" (1/1) ... [2024-12-02 06:37:15,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15" (1/1) ... [2024-12-02 06:37:15,495 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15" (1/1) ... [2024-12-02 06:37:15,521 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 06:37:15,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15" (1/1) ... [2024-12-02 06:37:15,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15" (1/1) ... [2024-12-02 06:37:15,543 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15" (1/1) ... [2024-12-02 06:37:15,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15" (1/1) ... [2024-12-02 06:37:15,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15" (1/1) ... [2024-12-02 06:37:15,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15" (1/1) ... [2024-12-02 06:37:15,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15" (1/1) ... [2024-12-02 06:37:15,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:37:15,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:37:15,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:37:15,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:37:15,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15" (1/1) ... [2024-12-02 06:37:15,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:37:15,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:37:15,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:37:15,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:37:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:37:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:37:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:37:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:37:15,769 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:37:15,770 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:37:17,251 INFO L? ?]: Removed 475 outVars from TransFormulas that were not future-live. [2024-12-02 06:37:17,252 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:37:17,273 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:37:17,273 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 06:37:17,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:37:17 BoogieIcfgContainer [2024-12-02 06:37:17,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:37:17,276 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:37:17,276 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:37:17,281 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:37:17,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:37:14" (1/3) ... [2024-12-02 06:37:17,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8ec78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:37:17, skipping insertion in model container [2024-12-02 06:37:17,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:15" (2/3) ... [2024-12-02 06:37:17,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8ec78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:37:17, skipping insertion in model container [2024-12-02 06:37:17,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:37:17" (3/3) ... [2024-12-02 06:37:17,283 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-12-02 06:37:17,295 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:37:17,297 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c that has 1 procedures, 537 locations, 1 initial locations, 0 loop locations, and 11 error locations. [2024-12-02 06:37:17,352 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:37:17,362 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;@68354184, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:37:17,362 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-12-02 06:37:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 537 states, 525 states have (on average 1.8304761904761904) internal successors, (961), 536 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:17,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-02 06:37:17,379 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:17,379 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] [2024-12-02 06:37:17,380 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:17,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:17,384 INFO L85 PathProgramCache]: Analyzing trace with hash 702631990, now seen corresponding path program 1 times [2024-12-02 06:37:17,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:17,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537554997] [2024-12-02 06:37:17,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:17,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:17,835 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 06:37:17,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:17,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537554997] [2024-12-02 06:37:17,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537554997] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:17,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:17,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:37:17,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203182431] [2024-12-02 06:37:17,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:17,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:37:17,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:17,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:37:17,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:37:17,857 INFO L87 Difference]: Start difference. First operand has 537 states, 525 states have (on average 1.8304761904761904) internal successors, (961), 536 states have internal predecessors, (961), 0 states have call successors, (0), 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 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:18,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:18,448 INFO L93 Difference]: Finished difference Result 740 states and 1288 transitions. [2024-12-02 06:37:18,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:37:18,450 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2024-12-02 06:37:18,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:18,459 INFO L225 Difference]: With dead ends: 740 [2024-12-02 06:37:18,459 INFO L226 Difference]: Without dead ends: 470 [2024-12-02 06:37:18,462 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 06:37:18,465 INFO L435 NwaCegarLoop]: 456 mSDtfsCounter, 2334 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2334 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:18,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2334 Valid, 518 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:37:18,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-12-02 06:37:18,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2024-12-02 06:37:18,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 459 states have (on average 1.2962962962962963) internal successors, (595), 469 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:18,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 595 transitions. [2024-12-02 06:37:18,507 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 595 transitions. Word has length 59 [2024-12-02 06:37:18,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:18,507 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 595 transitions. [2024-12-02 06:37:18,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:18,508 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 595 transitions. [2024-12-02 06:37:18,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-02 06:37:18,510 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:18,510 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] [2024-12-02 06:37:18,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:37:18,510 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:18,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:18,511 INFO L85 PathProgramCache]: Analyzing trace with hash 728409025, now seen corresponding path program 1 times [2024-12-02 06:37:18,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:18,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543387884] [2024-12-02 06:37:18,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:18,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:18,677 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 06:37:18,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:18,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543387884] [2024-12-02 06:37:18,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543387884] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:18,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:18,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:37:18,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785854747] [2024-12-02 06:37:18,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:18,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:37:18,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:18,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:37:18,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:37:18,679 INFO L87 Difference]: Start difference. First operand 470 states and 595 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:18,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:18,927 INFO L93 Difference]: Finished difference Result 600 states and 761 transitions. [2024-12-02 06:37:18,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:37:18,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2024-12-02 06:37:18,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:18,930 INFO L225 Difference]: With dead ends: 600 [2024-12-02 06:37:18,930 INFO L226 Difference]: Without dead ends: 356 [2024-12-02 06:37:18,930 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 06:37:18,931 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 1305 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:18,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 243 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:37:18,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-12-02 06:37:18,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2024-12-02 06:37:18,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 345 states have (on average 1.3101449275362318) internal successors, (452), 355 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:18,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 452 transitions. [2024-12-02 06:37:18,943 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 452 transitions. Word has length 59 [2024-12-02 06:37:18,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:18,943 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 452 transitions. [2024-12-02 06:37:18,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:18,943 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 452 transitions. [2024-12-02 06:37:18,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-02 06:37:18,945 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:18,945 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] [2024-12-02 06:37:18,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:37:18,945 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:18,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:18,946 INFO L85 PathProgramCache]: Analyzing trace with hash -466198780, now seen corresponding path program 1 times [2024-12-02 06:37:18,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:18,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475538274] [2024-12-02 06:37:18,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:18,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:19,084 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 06:37:19,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:19,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475538274] [2024-12-02 06:37:19,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475538274] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:19,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:19,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:37:19,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532867876] [2024-12-02 06:37:19,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:19,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:37:19,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:19,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:37:19,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:37:19,086 INFO L87 Difference]: Start difference. First operand 356 states and 452 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:19,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:19,400 INFO L93 Difference]: Finished difference Result 668 states and 866 transitions. [2024-12-02 06:37:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:37:19,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2024-12-02 06:37:19,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:19,402 INFO L225 Difference]: With dead ends: 668 [2024-12-02 06:37:19,402 INFO L226 Difference]: Without dead ends: 474 [2024-12-02 06:37:19,403 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 06:37:19,403 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 1586 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:19,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 339 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:37:19,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-12-02 06:37:19,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 420. [2024-12-02 06:37:19,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 409 states have (on average 1.371638141809291) internal successors, (561), 419 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 561 transitions. [2024-12-02 06:37:19,418 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 561 transitions. Word has length 59 [2024-12-02 06:37:19,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:19,418 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 561 transitions. [2024-12-02 06:37:19,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:19,419 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 561 transitions. [2024-12-02 06:37:19,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-02 06:37:19,420 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:19,420 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] [2024-12-02 06:37:19,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:37:19,420 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:19,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:19,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1447561490, now seen corresponding path program 1 times [2024-12-02 06:37:19,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:19,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238727537] [2024-12-02 06:37:19,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:19,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:19,553 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 06:37:19,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:19,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238727537] [2024-12-02 06:37:19,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238727537] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:19,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:19,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:37:19,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294207405] [2024-12-02 06:37:19,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:19,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:37:19,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:19,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:37:19,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:37:19,555 INFO L87 Difference]: Start difference. First operand 420 states and 561 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:19,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:19,710 INFO L93 Difference]: Finished difference Result 576 states and 768 transitions. [2024-12-02 06:37:19,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:37:19,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2024-12-02 06:37:19,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:19,712 INFO L225 Difference]: With dead ends: 576 [2024-12-02 06:37:19,712 INFO L226 Difference]: Without dead ends: 337 [2024-12-02 06:37:19,712 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 06:37:19,713 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 868 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:19,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [868 Valid, 195 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:37:19,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-12-02 06:37:19,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2024-12-02 06:37:19,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 326 states have (on average 1.3742331288343559) internal successors, (448), 336 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 06:37:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 448 transitions. [2024-12-02 06:37:19,722 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 448 transitions. Word has length 60 [2024-12-02 06:37:19,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:19,722 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 448 transitions. [2024-12-02 06:37:19,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 448 transitions. [2024-12-02 06:37:19,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-02 06:37:19,723 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:19,723 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] [2024-12-02 06:37:19,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:37:19,723 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:19,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:19,724 INFO L85 PathProgramCache]: Analyzing trace with hash -944801897, now seen corresponding path program 1 times [2024-12-02 06:37:19,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:19,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010707882] [2024-12-02 06:37:19,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:19,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:20,086 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 06:37:20,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:20,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010707882] [2024-12-02 06:37:20,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010707882] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:20,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:20,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:37:20,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984463969] [2024-12-02 06:37:20,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:20,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:37:20,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:20,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:37:20,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:20,088 INFO L87 Difference]: Start difference. First operand 337 states and 448 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:20,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:20,607 INFO L93 Difference]: Finished difference Result 666 states and 912 transitions. [2024-12-02 06:37:20,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:37:20,608 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2024-12-02 06:37:20,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:20,610 INFO L225 Difference]: With dead ends: 666 [2024-12-02 06:37:20,610 INFO L226 Difference]: Without dead ends: 548 [2024-12-02 06:37:20,611 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 06:37:20,612 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 1123 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:20,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1123 Valid, 995 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:37:20,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-12-02 06:37:20,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 337. [2024-12-02 06:37:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 326 states have (on average 1.3711656441717792) internal successors, (447), 336 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 447 transitions. [2024-12-02 06:37:20,621 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 447 transitions. Word has length 61 [2024-12-02 06:37:20,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:20,621 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 447 transitions. [2024-12-02 06:37:20,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 447 transitions. [2024-12-02 06:37:20,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-02 06:37:20,622 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:20,622 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] [2024-12-02 06:37:20,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:37:20,623 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:20,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:20,623 INFO L85 PathProgramCache]: Analyzing trace with hash 448084895, now seen corresponding path program 1 times [2024-12-02 06:37:20,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:20,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269599391] [2024-12-02 06:37:20,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:20,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:20,883 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 06:37:20,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:20,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269599391] [2024-12-02 06:37:20,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269599391] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:20,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:20,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:37:20,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173393209] [2024-12-02 06:37:20,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:20,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:37:20,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:20,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:37:20,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:20,885 INFO L87 Difference]: Start difference. First operand 337 states and 447 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:21,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:21,386 INFO L93 Difference]: Finished difference Result 669 states and 910 transitions. [2024-12-02 06:37:21,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:37:21,387 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2024-12-02 06:37:21,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:21,388 INFO L225 Difference]: With dead ends: 669 [2024-12-02 06:37:21,388 INFO L226 Difference]: Without dead ends: 529 [2024-12-02 06:37:21,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-12-02 06:37:21,390 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 1464 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1464 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:21,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1464 Valid, 880 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:37:21,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-12-02 06:37:21,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 337. [2024-12-02 06:37:21,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 326 states have (on average 1.3680981595092025) internal successors, (446), 336 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 446 transitions. [2024-12-02 06:37:21,400 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 446 transitions. Word has length 61 [2024-12-02 06:37:21,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:21,401 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 446 transitions. [2024-12-02 06:37:21,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:21,401 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 446 transitions. [2024-12-02 06:37:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-02 06:37:21,402 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:21,402 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] [2024-12-02 06:37:21,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:37:21,402 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:21,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:21,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1014019097, now seen corresponding path program 1 times [2024-12-02 06:37:21,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:21,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793039877] [2024-12-02 06:37:21,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:21,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:21,693 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 06:37:21,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:21,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793039877] [2024-12-02 06:37:21,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793039877] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:21,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:21,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 06:37:21,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684273774] [2024-12-02 06:37:21,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:21,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:37:21,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:21,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:37:21,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:37:21,695 INFO L87 Difference]: Start difference. First operand 337 states and 446 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:22,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:22,094 INFO L93 Difference]: Finished difference Result 687 states and 915 transitions. [2024-12-02 06:37:22,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:37:22,094 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2024-12-02 06:37:22,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:22,096 INFO L225 Difference]: With dead ends: 687 [2024-12-02 06:37:22,096 INFO L226 Difference]: Without dead ends: 502 [2024-12-02 06:37:22,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:37:22,097 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 1277 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:22,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1277 Valid, 762 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:37:22,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-12-02 06:37:22,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 337. [2024-12-02 06:37:22,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 326 states have (on average 1.3650306748466257) internal successors, (445), 336 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 445 transitions. [2024-12-02 06:37:22,108 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 445 transitions. Word has length 61 [2024-12-02 06:37:22,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:22,108 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 445 transitions. [2024-12-02 06:37:22,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:22,108 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 445 transitions. [2024-12-02 06:37:22,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-02 06:37:22,109 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:22,109 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] [2024-12-02 06:37:22,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:37:22,110 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:22,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:22,110 INFO L85 PathProgramCache]: Analyzing trace with hash -471732578, now seen corresponding path program 1 times [2024-12-02 06:37:22,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:22,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685763275] [2024-12-02 06:37:22,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:22,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:22,400 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 06:37:22,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:22,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685763275] [2024-12-02 06:37:22,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685763275] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:22,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:22,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:37:22,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496542980] [2024-12-02 06:37:22,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:22,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:37:22,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:22,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:37:22,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:22,401 INFO L87 Difference]: Start difference. First operand 337 states and 445 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:22,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:22,882 INFO L93 Difference]: Finished difference Result 565 states and 753 transitions. [2024-12-02 06:37:22,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:37:22,883 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-12-02 06:37:22,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:22,885 INFO L225 Difference]: With dead ends: 565 [2024-12-02 06:37:22,885 INFO L226 Difference]: Without dead ends: 548 [2024-12-02 06:37:22,885 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 06:37:22,886 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 1626 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1626 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:22,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1626 Valid, 878 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:37:22,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-12-02 06:37:22,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 337. [2024-12-02 06:37:22,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 326 states have (on average 1.3588957055214723) internal successors, (443), 336 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 06:37:22,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 443 transitions. [2024-12-02 06:37:22,896 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 443 transitions. Word has length 63 [2024-12-02 06:37:22,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:22,896 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 443 transitions. [2024-12-02 06:37:22,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:22,896 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 443 transitions. [2024-12-02 06:37:22,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-02 06:37:22,897 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:22,897 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] [2024-12-02 06:37:22,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:37:22,897 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:22,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:22,898 INFO L85 PathProgramCache]: Analyzing trace with hash -157878139, now seen corresponding path program 1 times [2024-12-02 06:37:22,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:22,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86639547] [2024-12-02 06:37:22,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:22,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:23,187 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 06:37:23,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:23,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86639547] [2024-12-02 06:37:23,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86639547] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:23,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:23,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:37:23,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547202098] [2024-12-02 06:37:23,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:23,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:37:23,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:23,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:37:23,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:23,189 INFO L87 Difference]: Start difference. First operand 337 states and 443 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:23,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:23,683 INFO L93 Difference]: Finished difference Result 533 states and 702 transitions. [2024-12-02 06:37:23,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:37:23,683 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-12-02 06:37:23,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:23,685 INFO L225 Difference]: With dead ends: 533 [2024-12-02 06:37:23,685 INFO L226 Difference]: Without dead ends: 528 [2024-12-02 06:37:23,685 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 06:37:23,686 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 1616 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:23,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1616 Valid, 827 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:37:23,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-12-02 06:37:23,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 337. [2024-12-02 06:37:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 326 states have (on average 1.352760736196319) internal successors, (441), 336 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:23,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 441 transitions. [2024-12-02 06:37:23,695 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 441 transitions. Word has length 63 [2024-12-02 06:37:23,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:23,695 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 441 transitions. [2024-12-02 06:37:23,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 441 transitions. [2024-12-02 06:37:23,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-02 06:37:23,696 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:23,696 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] [2024-12-02 06:37:23,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:37:23,696 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:23,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:23,697 INFO L85 PathProgramCache]: Analyzing trace with hash 2011079223, now seen corresponding path program 1 times [2024-12-02 06:37:23,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:23,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246199691] [2024-12-02 06:37:23,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:23,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:24,077 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 06:37:24,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:24,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246199691] [2024-12-02 06:37:24,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246199691] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:24,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:24,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 06:37:24,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372458060] [2024-12-02 06:37:24,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:24,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 06:37:24,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:24,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 06:37:24,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:37:24,079 INFO L87 Difference]: Start difference. First operand 337 states and 441 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 10 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:24,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:24,720 INFO L93 Difference]: Finished difference Result 646 states and 883 transitions. [2024-12-02 06:37:24,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 06:37:24,721 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 10 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-12-02 06:37:24,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:24,722 INFO L225 Difference]: With dead ends: 646 [2024-12-02 06:37:24,723 INFO L226 Difference]: Without dead ends: 476 [2024-12-02 06:37:24,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2024-12-02 06:37:24,724 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 1542 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1542 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:24,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1542 Valid, 1018 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:37:24,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-12-02 06:37:24,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 337. [2024-12-02 06:37:24,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 326 states have (on average 1.3466257668711656) internal successors, (439), 336 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 439 transitions. [2024-12-02 06:37:24,734 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 439 transitions. Word has length 63 [2024-12-02 06:37:24,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:24,734 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 439 transitions. [2024-12-02 06:37:24,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 10 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:24,734 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 439 transitions. [2024-12-02 06:37:24,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-02 06:37:24,735 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:24,735 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] [2024-12-02 06:37:24,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:37:24,735 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:24,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:24,735 INFO L85 PathProgramCache]: Analyzing trace with hash 556986468, now seen corresponding path program 1 times [2024-12-02 06:37:24,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:24,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318022691] [2024-12-02 06:37:24,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:24,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:24,984 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 06:37:24,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:24,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318022691] [2024-12-02 06:37:24,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318022691] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:24,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:24,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:37:24,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975822313] [2024-12-02 06:37:24,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:24,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:37:24,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:24,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:37:24,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:24,986 INFO L87 Difference]: Start difference. First operand 337 states and 439 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:25,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:25,511 INFO L93 Difference]: Finished difference Result 671 states and 908 transitions. [2024-12-02 06:37:25,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:37:25,511 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-12-02 06:37:25,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:25,513 INFO L225 Difference]: With dead ends: 671 [2024-12-02 06:37:25,513 INFO L226 Difference]: Without dead ends: 548 [2024-12-02 06:37:25,514 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 06:37:25,514 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 957 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 1109 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:25,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 1109 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:37:25,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-12-02 06:37:25,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 337. [2024-12-02 06:37:25,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 326 states have (on average 1.343558282208589) internal successors, (438), 336 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:25,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 438 transitions. [2024-12-02 06:37:25,524 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 438 transitions. Word has length 63 [2024-12-02 06:37:25,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:25,525 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 438 transitions. [2024-12-02 06:37:25,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:25,525 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 438 transitions. [2024-12-02 06:37:25,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-02 06:37:25,526 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:25,526 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] [2024-12-02 06:37:25,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:37:25,526 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:25,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:25,526 INFO L85 PathProgramCache]: Analyzing trace with hash -33472501, now seen corresponding path program 1 times [2024-12-02 06:37:25,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:25,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295754266] [2024-12-02 06:37:25,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:25,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:25,766 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 06:37:25,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:25,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295754266] [2024-12-02 06:37:25,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295754266] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:25,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:25,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:37:25,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772894617] [2024-12-02 06:37:25,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:25,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:37:25,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:25,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:37:25,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:25,768 INFO L87 Difference]: Start difference. First operand 337 states and 438 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:26,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:26,229 INFO L93 Difference]: Finished difference Result 639 states and 858 transitions. [2024-12-02 06:37:26,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:37:26,229 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-12-02 06:37:26,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:26,231 INFO L225 Difference]: With dead ends: 639 [2024-12-02 06:37:26,231 INFO L226 Difference]: Without dead ends: 528 [2024-12-02 06:37:26,231 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 06:37:26,232 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 1544 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:26,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1544 Valid, 879 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:37:26,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-12-02 06:37:26,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 337. [2024-12-02 06:37:26,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 326 states have (on average 1.3404907975460123) internal successors, (437), 336 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:26,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 437 transitions. [2024-12-02 06:37:26,240 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 437 transitions. Word has length 63 [2024-12-02 06:37:26,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:26,241 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 437 transitions. [2024-12-02 06:37:26,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 437 transitions. [2024-12-02 06:37:26,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-02 06:37:26,241 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:26,242 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] [2024-12-02 06:37:26,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 06:37:26,242 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:26,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:26,242 INFO L85 PathProgramCache]: Analyzing trace with hash -653212004, now seen corresponding path program 1 times [2024-12-02 06:37:26,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:26,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857334400] [2024-12-02 06:37:26,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:26,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:26,435 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 06:37:26,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:26,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857334400] [2024-12-02 06:37:26,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857334400] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:26,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:26,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:37:26,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723632868] [2024-12-02 06:37:26,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:26,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:37:26,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:26,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:37:26,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:26,436 INFO L87 Difference]: Start difference. First operand 337 states and 437 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:26,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:26,806 INFO L93 Difference]: Finished difference Result 533 states and 696 transitions. [2024-12-02 06:37:26,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:37:26,807 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-12-02 06:37:26,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:26,809 INFO L225 Difference]: With dead ends: 533 [2024-12-02 06:37:26,809 INFO L226 Difference]: Without dead ends: 528 [2024-12-02 06:37:26,809 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 06:37:26,810 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 1505 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1505 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:26,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1505 Valid, 864 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:37:26,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-12-02 06:37:26,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 337. [2024-12-02 06:37:26,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 326 states have (on average 1.3374233128834356) internal successors, (436), 336 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:26,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 436 transitions. [2024-12-02 06:37:26,818 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 436 transitions. Word has length 63 [2024-12-02 06:37:26,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:26,818 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 436 transitions. [2024-12-02 06:37:26,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:26,819 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 436 transitions. [2024-12-02 06:37:26,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-02 06:37:26,819 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:26,819 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] [2024-12-02 06:37:26,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 06:37:26,820 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:26,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:26,820 INFO L85 PathProgramCache]: Analyzing trace with hash 543767036, now seen corresponding path program 1 times [2024-12-02 06:37:26,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:26,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695886423] [2024-12-02 06:37:26,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:26,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:27,061 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 06:37:27,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:27,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695886423] [2024-12-02 06:37:27,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695886423] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:27,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:27,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:37:27,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128466046] [2024-12-02 06:37:27,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:27,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:37:27,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:27,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:37:27,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:27,063 INFO L87 Difference]: Start difference. First operand 337 states and 436 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:27,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:27,514 INFO L93 Difference]: Finished difference Result 636 states and 852 transitions. [2024-12-02 06:37:27,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:37:27,515 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-12-02 06:37:27,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:27,517 INFO L225 Difference]: With dead ends: 636 [2024-12-02 06:37:27,518 INFO L226 Difference]: Without dead ends: 528 [2024-12-02 06:37:27,518 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 06:37:27,519 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 1537 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:27,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1537 Valid, 879 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:37:27,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-12-02 06:37:27,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 337. [2024-12-02 06:37:27,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 326 states have (on average 1.334355828220859) internal successors, (435), 336 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:27,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 435 transitions. [2024-12-02 06:37:27,525 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 435 transitions. Word has length 63 [2024-12-02 06:37:27,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:27,525 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 435 transitions. [2024-12-02 06:37:27,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 435 transitions. [2024-12-02 06:37:27,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-02 06:37:27,526 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:27,526 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] [2024-12-02 06:37:27,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 06:37:27,526 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:27,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:27,527 INFO L85 PathProgramCache]: Analyzing trace with hash -2022048839, now seen corresponding path program 1 times [2024-12-02 06:37:27,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:27,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566040263] [2024-12-02 06:37:27,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:27,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:28,011 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 06:37:28,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:28,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566040263] [2024-12-02 06:37:28,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566040263] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:28,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:28,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:37:28,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640029163] [2024-12-02 06:37:28,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:28,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:37:28,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:28,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:37:28,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:37:28,012 INFO L87 Difference]: Start difference. First operand 337 states and 435 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:28,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:28,480 INFO L93 Difference]: Finished difference Result 497 states and 675 transitions. [2024-12-02 06:37:28,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:37:28,481 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2024-12-02 06:37:28,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:28,482 INFO L225 Difference]: With dead ends: 497 [2024-12-02 06:37:28,482 INFO L226 Difference]: Without dead ends: 349 [2024-12-02 06:37:28,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:37:28,483 INFO L435 NwaCegarLoop]: 282 mSDtfsCounter, 1097 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 1574 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:28,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 1574 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:37:28,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-12-02 06:37:28,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 295. [2024-12-02 06:37:28,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 287 states have (on average 1.3344947735191637) internal successors, (383), 294 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:28,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 383 transitions. [2024-12-02 06:37:28,498 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 383 transitions. Word has length 65 [2024-12-02 06:37:28,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:28,498 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 383 transitions. [2024-12-02 06:37:28,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:28,498 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 383 transitions. [2024-12-02 06:37:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-02 06:37:28,499 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:28,499 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] [2024-12-02 06:37:28,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 06:37:28,499 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:28,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:28,500 INFO L85 PathProgramCache]: Analyzing trace with hash -907607662, now seen corresponding path program 1 times [2024-12-02 06:37:28,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:28,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145158234] [2024-12-02 06:37:28,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:28,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:29,078 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 06:37:29,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:29,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145158234] [2024-12-02 06:37:29,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145158234] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:29,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:29,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:37:29,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073256411] [2024-12-02 06:37:29,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:29,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:37:29,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:29,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:37:29,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:37:29,080 INFO L87 Difference]: Start difference. First operand 295 states and 383 transitions. Second operand has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:29,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:29,837 INFO L93 Difference]: Finished difference Result 855 states and 1162 transitions. [2024-12-02 06:37:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:37:29,838 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2024-12-02 06:37:29,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:29,840 INFO L225 Difference]: With dead ends: 855 [2024-12-02 06:37:29,840 INFO L226 Difference]: Without dead ends: 743 [2024-12-02 06:37:29,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:37:29,841 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 1130 mSDsluCounter, 1963 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1130 SdHoareTripleChecker+Valid, 2266 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:29,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1130 Valid, 2266 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:37:29,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-12-02 06:37:29,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 285. [2024-12-02 06:37:29,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 278 states have (on average 1.3237410071942446) internal successors, (368), 284 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:29,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 368 transitions. [2024-12-02 06:37:29,849 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 368 transitions. Word has length 65 [2024-12-02 06:37:29,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:29,849 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 368 transitions. [2024-12-02 06:37:29,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:29,849 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 368 transitions. [2024-12-02 06:37:29,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-02 06:37:29,850 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:29,850 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] [2024-12-02 06:37:29,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 06:37:29,850 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:29,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:29,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1360022849, now seen corresponding path program 1 times [2024-12-02 06:37:29,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:29,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077770777] [2024-12-02 06:37:29,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:29,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:31,099 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 06:37:31,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:31,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077770777] [2024-12-02 06:37:31,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077770777] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:31,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:31,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2024-12-02 06:37:31,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38064607] [2024-12-02 06:37:31,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:31,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 06:37:31,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:31,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 06:37:31,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2024-12-02 06:37:31,101 INFO L87 Difference]: Start difference. First operand 285 states and 368 transitions. Second operand has 24 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 24 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:33,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:33,349 INFO L93 Difference]: Finished difference Result 652 states and 877 transitions. [2024-12-02 06:37:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-02 06:37:33,349 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 24 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2024-12-02 06:37:33,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:33,350 INFO L225 Difference]: With dead ends: 652 [2024-12-02 06:37:33,350 INFO L226 Difference]: Without dead ends: 542 [2024-12-02 06:37:33,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=341, Invalid=1465, Unknown=0, NotChecked=0, Total=1806 [2024-12-02 06:37:33,351 INFO L435 NwaCegarLoop]: 362 mSDtfsCounter, 1133 mSDsluCounter, 4138 mSDsCounter, 0 mSdLazyCounter, 2515 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1133 SdHoareTripleChecker+Valid, 4500 SdHoareTripleChecker+Invalid, 2530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:33,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1133 Valid, 4500 Invalid, 2530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2515 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 06:37:33,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-12-02 06:37:33,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 296. [2024-12-02 06:37:33,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 289 states have (on average 1.3217993079584776) internal successors, (382), 295 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:33,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 382 transitions. [2024-12-02 06:37:33,357 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 382 transitions. Word has length 65 [2024-12-02 06:37:33,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:33,358 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 382 transitions. [2024-12-02 06:37:33,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 24 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:33,358 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 382 transitions. [2024-12-02 06:37:33,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-02 06:37:33,358 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:33,359 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] [2024-12-02 06:37:33,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 06:37:33,359 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:33,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:33,359 INFO L85 PathProgramCache]: Analyzing trace with hash -138245905, now seen corresponding path program 1 times [2024-12-02 06:37:33,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:33,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62827789] [2024-12-02 06:37:33,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:33,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:33,793 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 06:37:33,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:33,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62827789] [2024-12-02 06:37:33,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62827789] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:33,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:33,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:37:33,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110340950] [2024-12-02 06:37:33,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:33,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:37:33,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:33,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:37:33,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:37:33,795 INFO L87 Difference]: Start difference. First operand 296 states and 382 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:34,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:34,244 INFO L93 Difference]: Finished difference Result 583 states and 792 transitions. [2024-12-02 06:37:34,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:37:34,244 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2024-12-02 06:37:34,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:34,245 INFO L225 Difference]: With dead ends: 583 [2024-12-02 06:37:34,245 INFO L226 Difference]: Without dead ends: 466 [2024-12-02 06:37:34,245 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 06:37:34,245 INFO L435 NwaCegarLoop]: 260 mSDtfsCounter, 1308 mSDsluCounter, 1252 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 1512 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:34,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 1512 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:37:34,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-12-02 06:37:34,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 285. [2024-12-02 06:37:34,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 279 states have (on average 1.3189964157706093) internal successors, (368), 284 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:34,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 368 transitions. [2024-12-02 06:37:34,249 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 368 transitions. Word has length 65 [2024-12-02 06:37:34,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:34,249 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 368 transitions. [2024-12-02 06:37:34,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 368 transitions. [2024-12-02 06:37:34,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-02 06:37:34,250 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:34,250 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] [2024-12-02 06:37:34,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 06:37:34,250 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:34,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:34,250 INFO L85 PathProgramCache]: Analyzing trace with hash 914761815, now seen corresponding path program 1 times [2024-12-02 06:37:34,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:34,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022621768] [2024-12-02 06:37:34,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:34,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:34,694 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 06:37:34,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:34,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022621768] [2024-12-02 06:37:34,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022621768] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:34,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:34,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 06:37:34,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141856298] [2024-12-02 06:37:34,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:34,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 06:37:34,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:34,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 06:37:34,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:37:34,696 INFO L87 Difference]: Start difference. First operand 285 states and 368 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:35,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:35,080 INFO L93 Difference]: Finished difference Result 519 states and 709 transitions. [2024-12-02 06:37:35,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:37:35,080 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2024-12-02 06:37:35,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:35,081 INFO L225 Difference]: With dead ends: 519 [2024-12-02 06:37:35,081 INFO L226 Difference]: Without dead ends: 350 [2024-12-02 06:37:35,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-12-02 06:37:35,081 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 718 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:35,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 726 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:37:35,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-12-02 06:37:35,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 222. [2024-12-02 06:37:35,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 219 states have (on average 1.3287671232876712) internal successors, (291), 221 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:35,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 291 transitions. [2024-12-02 06:37:35,085 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 291 transitions. Word has length 65 [2024-12-02 06:37:35,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:35,085 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 291 transitions. [2024-12-02 06:37:35,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:35,085 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 291 transitions. [2024-12-02 06:37:35,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-02 06:37:35,085 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:35,085 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] [2024-12-02 06:37:35,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 06:37:35,086 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:35,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:35,086 INFO L85 PathProgramCache]: Analyzing trace with hash 2098457973, now seen corresponding path program 1 times [2024-12-02 06:37:35,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:35,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977810646] [2024-12-02 06:37:35,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:35,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:35,217 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 06:37:35,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:35,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977810646] [2024-12-02 06:37:35,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977810646] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:35,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:35,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:37:35,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698364462] [2024-12-02 06:37:35,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:35,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:37:35,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:35,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:37:35,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:35,218 INFO L87 Difference]: Start difference. First operand 222 states and 291 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:35,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:35,502 INFO L93 Difference]: Finished difference Result 371 states and 498 transitions. [2024-12-02 06:37:35,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:37:35,502 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2024-12-02 06:37:35,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:35,504 INFO L225 Difference]: With dead ends: 371 [2024-12-02 06:37:35,504 INFO L226 Difference]: Without dead ends: 364 [2024-12-02 06:37:35,504 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 06:37:35,504 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 472 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:35,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 445 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:37:35,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-12-02 06:37:35,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 222. [2024-12-02 06:37:35,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 219 states have (on average 1.3242009132420092) internal successors, (290), 221 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:35,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 290 transitions. [2024-12-02 06:37:35,507 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 290 transitions. Word has length 66 [2024-12-02 06:37:35,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:35,507 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 290 transitions. [2024-12-02 06:37:35,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:35,508 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 290 transitions. [2024-12-02 06:37:35,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-02 06:37:35,508 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:35,508 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] [2024-12-02 06:37:35,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 06:37:35,508 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:35,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:35,508 INFO L85 PathProgramCache]: Analyzing trace with hash 476193166, now seen corresponding path program 1 times [2024-12-02 06:37:35,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:35,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297935500] [2024-12-02 06:37:35,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:35,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:35,681 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 06:37:35,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:35,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297935500] [2024-12-02 06:37:35,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297935500] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:35,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:35,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:37:35,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566287319] [2024-12-02 06:37:35,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:35,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:37:35,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:35,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:37:35,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:35,682 INFO L87 Difference]: Start difference. First operand 222 states and 290 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:36,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:36,027 INFO L93 Difference]: Finished difference Result 524 states and 716 transitions. [2024-12-02 06:37:36,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:37:36,028 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2024-12-02 06:37:36,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:36,029 INFO L225 Difference]: With dead ends: 524 [2024-12-02 06:37:36,029 INFO L226 Difference]: Without dead ends: 388 [2024-12-02 06:37:36,029 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 06:37:36,030 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 538 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:36,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 732 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:37:36,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-12-02 06:37:36,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 222. [2024-12-02 06:37:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 219 states have (on average 1.3150684931506849) internal successors, (288), 221 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:36,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 288 transitions. [2024-12-02 06:37:36,035 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 288 transitions. Word has length 66 [2024-12-02 06:37:36,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:36,035 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 288 transitions. [2024-12-02 06:37:36,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:36,035 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 288 transitions. [2024-12-02 06:37:36,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-02 06:37:36,035 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:36,036 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] [2024-12-02 06:37:36,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 06:37:36,036 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:36,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:36,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1262128080, now seen corresponding path program 1 times [2024-12-02 06:37:36,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:36,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15127424] [2024-12-02 06:37:36,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:36,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:36,891 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 06:37:36,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:36,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15127424] [2024-12-02 06:37:36,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15127424] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:36,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:36,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-12-02 06:37:36,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755975274] [2024-12-02 06:37:36,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:36,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 06:37:36,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:36,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 06:37:36,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2024-12-02 06:37:36,893 INFO L87 Difference]: Start difference. First operand 222 states and 288 transitions. Second operand has 22 states, 22 states have (on average 3.090909090909091) internal successors, (68), 22 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:38,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:38,056 INFO L93 Difference]: Finished difference Result 240 states and 308 transitions. [2024-12-02 06:37:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 06:37:38,056 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.090909090909091) internal successors, (68), 22 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2024-12-02 06:37:38,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:38,057 INFO L225 Difference]: With dead ends: 240 [2024-12-02 06:37:38,057 INFO L226 Difference]: Without dead ends: 232 [2024-12-02 06:37:38,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=242, Invalid=1318, Unknown=0, NotChecked=0, Total=1560 [2024-12-02 06:37:38,058 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 389 mSDsluCounter, 1794 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1930 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:38,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 1930 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:37:38,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-12-02 06:37:38,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 231. [2024-12-02 06:37:38,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 228 states have (on average 1.3114035087719298) internal successors, (299), 230 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:38,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 299 transitions. [2024-12-02 06:37:38,061 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 299 transitions. Word has length 68 [2024-12-02 06:37:38,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:38,061 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 299 transitions. [2024-12-02 06:37:38,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.090909090909091) internal successors, (68), 22 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:38,061 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 299 transitions. [2024-12-02 06:37:38,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-02 06:37:38,061 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:38,061 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] [2024-12-02 06:37:38,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 06:37:38,062 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:38,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:38,062 INFO L85 PathProgramCache]: Analyzing trace with hash 989039241, now seen corresponding path program 1 times [2024-12-02 06:37:38,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:38,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046702022] [2024-12-02 06:37:38,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:38,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:39,016 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 06:37:39,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:39,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046702022] [2024-12-02 06:37:39,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046702022] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:39,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:39,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-12-02 06:37:39,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356268762] [2024-12-02 06:37:39,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:39,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-02 06:37:39,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:39,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-02 06:37:39,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:37:39,018 INFO L87 Difference]: Start difference. First operand 231 states and 299 transitions. Second operand has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:40,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:40,479 INFO L93 Difference]: Finished difference Result 371 states and 494 transitions. [2024-12-02 06:37:40,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-02 06:37:40,479 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2024-12-02 06:37:40,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:40,480 INFO L225 Difference]: With dead ends: 371 [2024-12-02 06:37:40,480 INFO L226 Difference]: Without dead ends: 365 [2024-12-02 06:37:40,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=260, Invalid=1380, Unknown=0, NotChecked=0, Total=1640 [2024-12-02 06:37:40,481 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 357 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 2156 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:40,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 2156 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1128 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 06:37:40,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-12-02 06:37:40,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 237. [2024-12-02 06:37:40,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 234 states have (on average 1.311965811965812) internal successors, (307), 236 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 307 transitions. [2024-12-02 06:37:40,484 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 307 transitions. Word has length 68 [2024-12-02 06:37:40,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:40,485 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 307 transitions. [2024-12-02 06:37:40,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:40,485 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 307 transitions. [2024-12-02 06:37:40,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-02 06:37:40,485 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:40,485 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] [2024-12-02 06:37:40,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 06:37:40,485 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:40,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:40,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1368297463, now seen corresponding path program 1 times [2024-12-02 06:37:40,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:40,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386889821] [2024-12-02 06:37:40,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:40,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:40,900 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 06:37:40,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:40,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386889821] [2024-12-02 06:37:40,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386889821] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:40,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:40,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:37:40,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165212545] [2024-12-02 06:37:40,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:40,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:37:40,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:40,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:37:40,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:37:40,901 INFO L87 Difference]: Start difference. First operand 237 states and 307 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:41,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:41,305 INFO L93 Difference]: Finished difference Result 381 states and 512 transitions. [2024-12-02 06:37:41,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:37:41,306 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2024-12-02 06:37:41,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:41,306 INFO L225 Difference]: With dead ends: 381 [2024-12-02 06:37:41,306 INFO L226 Difference]: Without dead ends: 366 [2024-12-02 06:37:41,307 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 06:37:41,307 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 614 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 1577 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:41,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 1577 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:37:41,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-12-02 06:37:41,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 221. [2024-12-02 06:37:41,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 219 states have (on average 1.3150684931506849) internal successors, (288), 220 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:41,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 288 transitions. [2024-12-02 06:37:41,310 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 288 transitions. Word has length 69 [2024-12-02 06:37:41,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:41,310 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 288 transitions. [2024-12-02 06:37:41,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:41,310 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 288 transitions. [2024-12-02 06:37:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-02 06:37:41,311 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:41,311 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] [2024-12-02 06:37:41,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 06:37:41,311 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:41,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:41,311 INFO L85 PathProgramCache]: Analyzing trace with hash 882869858, now seen corresponding path program 1 times [2024-12-02 06:37:41,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:41,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339185902] [2024-12-02 06:37:41,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:41,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:42,168 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 06:37:42,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:42,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339185902] [2024-12-02 06:37:42,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339185902] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:42,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:42,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 06:37:42,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266795615] [2024-12-02 06:37:42,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:42,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 06:37:42,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:42,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 06:37:42,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:37:42,170 INFO L87 Difference]: Start difference. First operand 221 states and 288 transitions. Second operand has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:43,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:43,258 INFO L93 Difference]: Finished difference Result 407 states and 552 transitions. [2024-12-02 06:37:43,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 06:37:43,258 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2024-12-02 06:37:43,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:43,259 INFO L225 Difference]: With dead ends: 407 [2024-12-02 06:37:43,259 INFO L226 Difference]: Without dead ends: 401 [2024-12-02 06:37:43,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=142, Invalid=560, Unknown=0, NotChecked=0, Total=702 [2024-12-02 06:37:43,260 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 638 mSDsluCounter, 2100 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 2329 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:43,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 2329 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:37:43,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-12-02 06:37:43,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 216. [2024-12-02 06:37:43,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 214 states have (on average 1.3177570093457944) internal successors, (282), 215 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:43,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 282 transitions. [2024-12-02 06:37:43,264 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 282 transitions. Word has length 69 [2024-12-02 06:37:43,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:43,264 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 282 transitions. [2024-12-02 06:37:43,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:43,264 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 282 transitions. [2024-12-02 06:37:43,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-02 06:37:43,264 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:43,264 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] [2024-12-02 06:37:43,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 06:37:43,265 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:43,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:43,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1637741865, now seen corresponding path program 1 times [2024-12-02 06:37:43,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:43,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44280972] [2024-12-02 06:37:43,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:43,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:43,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:37:43,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:43,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44280972] [2024-12-02 06:37:43,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44280972] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:43,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:43,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:37:43,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41910382] [2024-12-02 06:37:43,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:43,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:37:43,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:43,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:37:43,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:37:43,570 INFO L87 Difference]: Start difference. First operand 216 states and 282 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:43,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:43,878 INFO L93 Difference]: Finished difference Result 342 states and 465 transitions. [2024-12-02 06:37:43,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:37:43,878 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2024-12-02 06:37:43,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:43,879 INFO L225 Difference]: With dead ends: 342 [2024-12-02 06:37:43,879 INFO L226 Difference]: Without dead ends: 336 [2024-12-02 06:37:43,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:37:43,880 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 267 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:43,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 1445 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:37:43,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-12-02 06:37:43,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 204. [2024-12-02 06:37:43,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.3152709359605912) internal successors, (267), 203 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:43,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2024-12-02 06:37:43,882 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 69 [2024-12-02 06:37:43,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:43,882 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2024-12-02 06:37:43,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:43,882 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2024-12-02 06:37:43,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 06:37:43,883 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:43,883 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 06:37:43,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 06:37:43,883 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:43,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:43,883 INFO L85 PathProgramCache]: Analyzing trace with hash 262304865, now seen corresponding path program 1 times [2024-12-02 06:37:43,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:43,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810205318] [2024-12-02 06:37:43,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:43,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:43,955 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 06:37:43,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:43,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810205318] [2024-12-02 06:37:43,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810205318] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:43,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:43,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:37:43,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910852327] [2024-12-02 06:37:43,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:43,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:37:43,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:43,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:37:43,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:37:43,957 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 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 06:37:44,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:44,050 INFO L93 Difference]: Finished difference Result 1052 states and 1547 transitions. [2024-12-02 06:37:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:37:44,051 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 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 06:37:44,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:44,052 INFO L225 Difference]: With dead ends: 1052 [2024-12-02 06:37:44,052 INFO L226 Difference]: Without dead ends: 946 [2024-12-02 06:37:44,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:37:44,053 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 902 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:44,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 960 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:37:44,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2024-12-02 06:37:44,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 308. [2024-12-02 06:37:44,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 307 states have (on average 1.3745928338762214) internal successors, (422), 307 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:44,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 422 transitions. [2024-12-02 06:37:44,058 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 422 transitions. Word has length 91 [2024-12-02 06:37:44,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:44,058 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 422 transitions. [2024-12-02 06:37:44,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 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 06:37:44,058 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 422 transitions. [2024-12-02 06:37:44,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 06:37:44,058 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:44,058 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 06:37:44,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 06:37:44,058 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:44,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:44,059 INFO L85 PathProgramCache]: Analyzing trace with hash -403802728, now seen corresponding path program 1 times [2024-12-02 06:37:44,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:44,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11559044] [2024-12-02 06:37:44,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:44,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:44,129 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 06:37:44,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:44,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11559044] [2024-12-02 06:37:44,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11559044] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:44,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:44,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:37:44,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303341168] [2024-12-02 06:37:44,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:44,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:37:44,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:44,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:37:44,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:37:44,130 INFO L87 Difference]: Start difference. First operand 308 states and 422 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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 06:37:44,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:44,191 INFO L93 Difference]: Finished difference Result 1254 states and 1838 transitions. [2024-12-02 06:37:44,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:37:44,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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 06:37:44,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:44,193 INFO L225 Difference]: With dead ends: 1254 [2024-12-02 06:37:44,193 INFO L226 Difference]: Without dead ends: 1044 [2024-12-02 06:37:44,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:44,194 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 651 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:44,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 677 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:37:44,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2024-12-02 06:37:44,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 516. [2024-12-02 06:37:44,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 515 states have (on average 1.4252427184466019) internal successors, (734), 515 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:44,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 734 transitions. [2024-12-02 06:37:44,200 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 734 transitions. Word has length 93 [2024-12-02 06:37:44,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:44,200 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 734 transitions. [2024-12-02 06:37:44,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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 06:37:44,200 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 734 transitions. [2024-12-02 06:37:44,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 06:37:44,200 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:44,201 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 06:37:44,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 06:37:44,201 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:44,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:44,201 INFO L85 PathProgramCache]: Analyzing trace with hash 638646745, now seen corresponding path program 1 times [2024-12-02 06:37:44,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:44,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219028416] [2024-12-02 06:37:44,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:44,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:44,324 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 06:37:44,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:44,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219028416] [2024-12-02 06:37:44,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219028416] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:44,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:44,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:37:44,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083761117] [2024-12-02 06:37:44,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:44,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:37:44,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:44,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:37:44,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:37:44,325 INFO L87 Difference]: Start difference. First operand 516 states and 734 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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 06:37:44,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:44,387 INFO L93 Difference]: Finished difference Result 936 states and 1362 transitions. [2024-12-02 06:37:44,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:37:44,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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 06:37:44,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:44,390 INFO L225 Difference]: With dead ends: 936 [2024-12-02 06:37:44,390 INFO L226 Difference]: Without dead ends: 518 [2024-12-02 06:37:44,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:37:44,390 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 140 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:44,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 380 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:37:44,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-12-02 06:37:44,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 516. [2024-12-02 06:37:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 515 states have (on average 1.4174757281553398) internal successors, (730), 515 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:44,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 730 transitions. [2024-12-02 06:37:44,394 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 730 transitions. Word has length 93 [2024-12-02 06:37:44,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:44,394 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 730 transitions. [2024-12-02 06:37:44,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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 06:37:44,395 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 730 transitions. [2024-12-02 06:37:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 06:37:44,395 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:44,395 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 06:37:44,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 06:37:44,396 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:44,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:44,396 INFO L85 PathProgramCache]: Analyzing trace with hash 572153233, now seen corresponding path program 1 times [2024-12-02 06:37:44,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:44,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071637478] [2024-12-02 06:37:44,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:44,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:44,442 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 06:37:44,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:44,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071637478] [2024-12-02 06:37:44,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071637478] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:44,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:44,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:37:44,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020957559] [2024-12-02 06:37:44,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:44,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:37:44,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:44,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:37:44,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:37:44,443 INFO L87 Difference]: Start difference. First operand 516 states and 730 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 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 06:37:44,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:44,467 INFO L93 Difference]: Finished difference Result 1300 states and 1888 transitions. [2024-12-02 06:37:44,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:37:44,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 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 06:37:44,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:44,469 INFO L225 Difference]: With dead ends: 1300 [2024-12-02 06:37:44,469 INFO L226 Difference]: Without dead ends: 882 [2024-12-02 06:37:44,470 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 06:37:44,470 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 89 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:44,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 252 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:37:44,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2024-12-02 06:37:44,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 872. [2024-12-02 06:37:44,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 871 states have (on average 1.4190585533869116) internal successors, (1236), 871 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:44,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1236 transitions. [2024-12-02 06:37:44,478 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1236 transitions. Word has length 93 [2024-12-02 06:37:44,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:44,478 INFO L471 AbstractCegarLoop]: Abstraction has 872 states and 1236 transitions. [2024-12-02 06:37:44,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 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 06:37:44,478 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1236 transitions. [2024-12-02 06:37:44,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 06:37:44,479 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:44,479 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] [2024-12-02 06:37:44,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 06:37:44,479 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:44,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:44,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1651929496, now seen corresponding path program 1 times [2024-12-02 06:37:44,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:44,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953134251] [2024-12-02 06:37:44,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:44,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:44,560 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 06:37:44,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:44,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953134251] [2024-12-02 06:37:44,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953134251] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:44,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:44,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:37:44,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440948616] [2024-12-02 06:37:44,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:44,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:37:44,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:44,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:37:44,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:37:44,561 INFO L87 Difference]: Start difference. First operand 872 states and 1236 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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 06:37:44,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:44,636 INFO L93 Difference]: Finished difference Result 2620 states and 3785 transitions. [2024-12-02 06:37:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:37:44,636 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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 06:37:44,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:44,641 INFO L225 Difference]: With dead ends: 2620 [2024-12-02 06:37:44,641 INFO L226 Difference]: Without dead ends: 2232 [2024-12-02 06:37:44,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:44,642 INFO L435 NwaCegarLoop]: 230 mSDtfsCounter, 619 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:44,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 681 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:37:44,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2232 states. [2024-12-02 06:37:44,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2232 to 1452. [2024-12-02 06:37:44,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1451 states have (on average 1.4321157822191593) internal successors, (2078), 1451 states have internal predecessors, (2078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 2078 transitions. [2024-12-02 06:37:44,663 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 2078 transitions. Word has length 93 [2024-12-02 06:37:44,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:44,663 INFO L471 AbstractCegarLoop]: Abstraction has 1452 states and 2078 transitions. [2024-12-02 06:37:44,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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 06:37:44,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 2078 transitions. [2024-12-02 06:37:44,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 06:37:44,664 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:44,664 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 06:37:44,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 06:37:44,664 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:44,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:44,665 INFO L85 PathProgramCache]: Analyzing trace with hash -767888488, now seen corresponding path program 1 times [2024-12-02 06:37:44,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:44,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862928003] [2024-12-02 06:37:44,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:44,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:44,780 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 06:37:44,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:44,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862928003] [2024-12-02 06:37:44,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862928003] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:44,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:44,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:37:44,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53510802] [2024-12-02 06:37:44,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:44,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:37:44,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:44,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:37:44,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:37:44,781 INFO L87 Difference]: Start difference. First operand 1452 states and 2078 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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 06:37:44,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:44,860 INFO L93 Difference]: Finished difference Result 3006 states and 4347 transitions. [2024-12-02 06:37:44,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:37:44,860 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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 06:37:44,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:44,864 INFO L225 Difference]: With dead ends: 3006 [2024-12-02 06:37:44,864 INFO L226 Difference]: Without dead ends: 2618 [2024-12-02 06:37:44,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:44,865 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 585 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:44,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 748 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:37:44,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2618 states. [2024-12-02 06:37:44,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2618 to 1838. [2024-12-02 06:37:44,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.437125748502994) internal successors, (2640), 1837 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2640 transitions. [2024-12-02 06:37:44,887 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2640 transitions. Word has length 93 [2024-12-02 06:37:44,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:44,887 INFO L471 AbstractCegarLoop]: Abstraction has 1838 states and 2640 transitions. [2024-12-02 06:37:44,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 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 06:37:44,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2640 transitions. [2024-12-02 06:37:44,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 06:37:44,889 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:44,889 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] [2024-12-02 06:37:44,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 06:37:44,889 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:44,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:44,889 INFO L85 PathProgramCache]: Analyzing trace with hash -2122104904, now seen corresponding path program 1 times [2024-12-02 06:37:44,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:44,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206615777] [2024-12-02 06:37:44,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:44,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:44,954 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 06:37:44,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:44,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206615777] [2024-12-02 06:37:44,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206615777] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:44,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:44,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:37:44,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824893130] [2024-12-02 06:37:44,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:44,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:37:44,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:44,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:37:44,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:37:44,955 INFO L87 Difference]: Start difference. First operand 1838 states and 2640 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:44,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:44,977 INFO L93 Difference]: Finished difference Result 5174 states and 7454 transitions. [2024-12-02 06:37:44,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:37:44,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-12-02 06:37:44,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:44,985 INFO L225 Difference]: With dead ends: 5174 [2024-12-02 06:37:44,985 INFO L226 Difference]: Without dead ends: 3434 [2024-12-02 06:37:44,986 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 06:37:44,987 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 73 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 333 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 06:37:44,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 333 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:37:44,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3434 states. [2024-12-02 06:37:45,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3434 to 3288. [2024-12-02 06:37:45,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3288 states, 3287 states have (on average 1.431092181320353) internal successors, (4704), 3287 states have internal predecessors, (4704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:45,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3288 states to 3288 states and 4704 transitions. [2024-12-02 06:37:45,019 INFO L78 Accepts]: Start accepts. Automaton has 3288 states and 4704 transitions. Word has length 94 [2024-12-02 06:37:45,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:45,020 INFO L471 AbstractCegarLoop]: Abstraction has 3288 states and 4704 transitions. [2024-12-02 06:37:45,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:45,020 INFO L276 IsEmpty]: Start isEmpty. Operand 3288 states and 4704 transitions. [2024-12-02 06:37:45,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 06:37:45,020 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:45,020 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 06:37:45,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 06:37:45,021 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:45,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:45,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1022881993, now seen corresponding path program 1 times [2024-12-02 06:37:45,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:45,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562182363] [2024-12-02 06:37:45,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:45,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:45,104 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 06:37:45,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:45,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562182363] [2024-12-02 06:37:45,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562182363] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:45,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:45,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:37:45,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959227758] [2024-12-02 06:37:45,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:45,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:37:45,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:45,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:37:45,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:37:45,105 INFO L87 Difference]: Start difference. First operand 3288 states and 4704 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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 06:37:45,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:45,139 INFO L93 Difference]: Finished difference Result 9380 states and 13394 transitions. [2024-12-02 06:37:45,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:37:45,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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 06:37:45,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:45,154 INFO L225 Difference]: With dead ends: 9380 [2024-12-02 06:37:45,155 INFO L226 Difference]: Without dead ends: 6190 [2024-12-02 06:37:45,158 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 06:37:45,158 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 66 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 333 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 06:37:45,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 333 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:37:45,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6190 states. [2024-12-02 06:37:45,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6190 to 5900. [2024-12-02 06:37:45,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5900 states, 5899 states have (on average 1.4178674351585014) internal successors, (8364), 5899 states have internal predecessors, (8364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:45,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5900 states to 5900 states and 8364 transitions. [2024-12-02 06:37:45,214 INFO L78 Accepts]: Start accepts. Automaton has 5900 states and 8364 transitions. Word has length 95 [2024-12-02 06:37:45,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:45,214 INFO L471 AbstractCegarLoop]: Abstraction has 5900 states and 8364 transitions. [2024-12-02 06:37:45,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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 06:37:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 5900 states and 8364 transitions. [2024-12-02 06:37:45,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 06:37:45,215 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:45,215 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 06:37:45,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 06:37:45,215 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:45,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:45,215 INFO L85 PathProgramCache]: Analyzing trace with hash -369091068, now seen corresponding path program 1 times [2024-12-02 06:37:45,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:45,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929676024] [2024-12-02 06:37:45,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:45,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:45,284 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 06:37:45,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:45,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929676024] [2024-12-02 06:37:45,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929676024] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:45,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:45,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:37:45,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638325832] [2024-12-02 06:37:45,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:45,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:37:45,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:45,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:37:45,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:37:45,286 INFO L87 Difference]: Start difference. First operand 5900 states and 8364 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 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 06:37:45,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:45,319 INFO L93 Difference]: Finished difference Result 16928 states and 23870 transitions. [2024-12-02 06:37:45,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:37:45,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 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 06:37:45,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:45,335 INFO L225 Difference]: With dead ends: 16928 [2024-12-02 06:37:45,335 INFO L226 Difference]: Without dead ends: 11126 [2024-12-02 06:37:45,339 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 06:37:45,340 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 56 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 333 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 06:37:45,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 333 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:37:45,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11126 states. [2024-12-02 06:37:45,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11126 to 10548. [2024-12-02 06:37:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10548 states, 10547 states have (on average 1.3983123162984734) internal successors, (14748), 10547 states have internal predecessors, (14748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10548 states to 10548 states and 14748 transitions. [2024-12-02 06:37:45,419 INFO L78 Accepts]: Start accepts. Automaton has 10548 states and 14748 transitions. Word has length 96 [2024-12-02 06:37:45,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:45,419 INFO L471 AbstractCegarLoop]: Abstraction has 10548 states and 14748 transitions. [2024-12-02 06:37:45,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 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 06:37:45,419 INFO L276 IsEmpty]: Start isEmpty. Operand 10548 states and 14748 transitions. [2024-12-02 06:37:45,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 06:37:45,420 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:45,420 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 06:37:45,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 06:37:45,420 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:45,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:45,420 INFO L85 PathProgramCache]: Analyzing trace with hash -553088427, now seen corresponding path program 1 times [2024-12-02 06:37:45,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:45,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967172320] [2024-12-02 06:37:45,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:45,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:45,649 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 06:37:45,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:45,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967172320] [2024-12-02 06:37:45,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967172320] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:45,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:45,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:37:45,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581068102] [2024-12-02 06:37:45,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:45,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:37:45,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:45,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:37:45,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:37:45,650 INFO L87 Difference]: Start difference. First operand 10548 states and 14748 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 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 06:37:45,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:45,705 INFO L93 Difference]: Finished difference Result 10934 states and 15261 transitions. [2024-12-02 06:37:45,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:37:45,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 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 06:37:45,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:45,718 INFO L225 Difference]: With dead ends: 10934 [2024-12-02 06:37:45,718 INFO L226 Difference]: Without dead ends: 10932 [2024-12-02 06:37:45,720 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 06:37:45,720 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:45,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 764 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:37:45,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10932 states. [2024-12-02 06:37:45,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10932 to 10932. [2024-12-02 06:37:45,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10932 states, 10931 states have (on average 1.3770011892781997) internal successors, (15052), 10931 states have internal predecessors, (15052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:45,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10932 states to 10932 states and 15052 transitions. [2024-12-02 06:37:45,804 INFO L78 Accepts]: Start accepts. Automaton has 10932 states and 15052 transitions. Word has length 97 [2024-12-02 06:37:45,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:45,804 INFO L471 AbstractCegarLoop]: Abstraction has 10932 states and 15052 transitions. [2024-12-02 06:37:45,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 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 06:37:45,805 INFO L276 IsEmpty]: Start isEmpty. Operand 10932 states and 15052 transitions. [2024-12-02 06:37:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 06:37:45,805 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:45,805 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] [2024-12-02 06:37:45,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 06:37:45,805 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:45,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:45,806 INFO L85 PathProgramCache]: Analyzing trace with hash -404836723, now seen corresponding path program 1 times [2024-12-02 06:37:45,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:45,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544323882] [2024-12-02 06:37:45,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:45,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:45,888 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 06:37:45,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:45,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544323882] [2024-12-02 06:37:45,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544323882] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:45,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:45,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:37:45,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002563710] [2024-12-02 06:37:45,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:45,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:37:45,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:45,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:37:45,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:37:45,889 INFO L87 Difference]: Start difference. First operand 10932 states and 15052 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 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 06:37:46,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:46,028 INFO L93 Difference]: Finished difference Result 20606 states and 28497 transitions. [2024-12-02 06:37:46,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:37:46,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 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 06:37:46,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:46,052 INFO L225 Difference]: With dead ends: 20606 [2024-12-02 06:37:46,052 INFO L226 Difference]: Without dead ends: 18188 [2024-12-02 06:37:46,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:46,059 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 646 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:46,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 747 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:37:46,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18188 states. [2024-12-02 06:37:46,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18188 to 13348. [2024-12-02 06:37:46,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13348 states, 13347 states have (on average 1.3770884843035889) internal successors, (18380), 13347 states have internal predecessors, (18380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:46,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13348 states to 13348 states and 18380 transitions. [2024-12-02 06:37:46,264 INFO L78 Accepts]: Start accepts. Automaton has 13348 states and 18380 transitions. Word has length 97 [2024-12-02 06:37:46,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:46,265 INFO L471 AbstractCegarLoop]: Abstraction has 13348 states and 18380 transitions. [2024-12-02 06:37:46,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 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 06:37:46,265 INFO L276 IsEmpty]: Start isEmpty. Operand 13348 states and 18380 transitions. [2024-12-02 06:37:46,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 06:37:46,265 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:46,265 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 06:37:46,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-02 06:37:46,266 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:46,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:46,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1477016020, now seen corresponding path program 1 times [2024-12-02 06:37:46,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:46,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421087601] [2024-12-02 06:37:46,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:46,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:46,409 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 06:37:46,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:46,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421087601] [2024-12-02 06:37:46,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421087601] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:46,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:46,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:37:46,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315976075] [2024-12-02 06:37:46,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:46,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:37:46,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:46,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:37:46,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:37:46,410 INFO L87 Difference]: Start difference. First operand 13348 states and 18380 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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 06:37:46,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:46,503 INFO L93 Difference]: Finished difference Result 34744 states and 47782 transitions. [2024-12-02 06:37:46,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:37:46,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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 06:37:46,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:46,526 INFO L225 Difference]: With dead ends: 34744 [2024-12-02 06:37:46,526 INFO L226 Difference]: Without dead ends: 21494 [2024-12-02 06:37:46,538 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 06:37:46,538 INFO L435 NwaCegarLoop]: 216 mSDtfsCounter, 77 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 336 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 06:37:46,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 336 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:37:46,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21494 states. [2024-12-02 06:37:46,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21494 to 20084. [2024-12-02 06:37:46,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20084 states, 20083 states have (on average 1.3553751929492606) internal successors, (27220), 20083 states have internal predecessors, (27220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:46,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20084 states to 20084 states and 27220 transitions. [2024-12-02 06:37:46,760 INFO L78 Accepts]: Start accepts. Automaton has 20084 states and 27220 transitions. Word has length 98 [2024-12-02 06:37:46,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:46,760 INFO L471 AbstractCegarLoop]: Abstraction has 20084 states and 27220 transitions. [2024-12-02 06:37:46,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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 06:37:46,760 INFO L276 IsEmpty]: Start isEmpty. Operand 20084 states and 27220 transitions. [2024-12-02 06:37:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 06:37:46,762 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:46,762 INFO L218 NwaCegarLoop]: trace histogram [2, 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] [2024-12-02 06:37:46,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-02 06:37:46,762 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:46,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:46,763 INFO L85 PathProgramCache]: Analyzing trace with hash -659580428, now seen corresponding path program 1 times [2024-12-02 06:37:46,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:46,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932710081] [2024-12-02 06:37:46,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:46,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:37:46,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:46,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932710081] [2024-12-02 06:37:46,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932710081] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:46,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:46,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:37:46,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29274629] [2024-12-02 06:37:46,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:46,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:37:46,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:46,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:37:46,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:37:46,860 INFO L87 Difference]: Start difference. First operand 20084 states and 27220 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:46,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:46,918 INFO L93 Difference]: Finished difference Result 40072 states and 54334 transitions. [2024-12-02 06:37:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:37:46,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2024-12-02 06:37:46,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:46,987 INFO L225 Difference]: With dead ends: 40072 [2024-12-02 06:37:46,987 INFO L226 Difference]: Without dead ends: 20086 [2024-12-02 06:37:46,995 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 06:37:46,995 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 68 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:46,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 310 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:37:47,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20086 states. [2024-12-02 06:37:47,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20086 to 20084. [2024-12-02 06:37:47,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20084 states, 20083 states have (on average 1.3378479310859932) internal successors, (26868), 20083 states have internal predecessors, (26868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:47,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20084 states to 20084 states and 26868 transitions. [2024-12-02 06:37:47,143 INFO L78 Accepts]: Start accepts. Automaton has 20084 states and 26868 transitions. Word has length 124 [2024-12-02 06:37:47,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:47,143 INFO L471 AbstractCegarLoop]: Abstraction has 20084 states and 26868 transitions. [2024-12-02 06:37:47,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:47,144 INFO L276 IsEmpty]: Start isEmpty. Operand 20084 states and 26868 transitions. [2024-12-02 06:37:47,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 06:37:47,145 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:47,145 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 06:37:47,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-12-02 06:37:47,145 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:47,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:47,146 INFO L85 PathProgramCache]: Analyzing trace with hash -448021413, now seen corresponding path program 1 times [2024-12-02 06:37:47,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:47,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99980937] [2024-12-02 06:37:47,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:47,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:37:47,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:47,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99980937] [2024-12-02 06:37:47,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99980937] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:37:47,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905257857] [2024-12-02 06:37:47,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:47,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:37:47,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:37:47,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:37:47,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:37:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:47,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 06:37:47,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:37:48,728 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:37:48,728 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:37:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:37:50,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905257857] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:37:50,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:37:50,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2024-12-02 06:37:50,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27441839] [2024-12-02 06:37:50,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:37:50,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-02 06:37:50,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:50,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-02 06:37:50,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2024-12-02 06:37:50,237 INFO L87 Difference]: Start difference. First operand 20084 states and 26868 transitions. Second operand has 28 states, 28 states have (on average 10.464285714285714) internal successors, (293), 27 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:54,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:54,225 INFO L93 Difference]: Finished difference Result 163975 states and 217806 transitions. [2024-12-02 06:37:54,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-12-02 06:37:54,225 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 10.464285714285714) internal successors, (293), 27 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2024-12-02 06:37:54,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:54,338 INFO L225 Difference]: With dead ends: 163975 [2024-12-02 06:37:54,338 INFO L226 Difference]: Without dead ends: 143989 [2024-12-02 06:37:54,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4678 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=2245, Invalid=13007, Unknown=0, NotChecked=0, Total=15252 [2024-12-02 06:37:54,372 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 2386 mSDsluCounter, 2946 mSDsCounter, 0 mSdLazyCounter, 2993 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 3131 SdHoareTripleChecker+Invalid, 3034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 2993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:54,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2386 Valid, 3131 Invalid, 3034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 2993 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 06:37:54,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143989 states. [2024-12-02 06:37:55,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143989 to 72621. [2024-12-02 06:37:55,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72621 states, 72620 states have (on average 1.3245800055081245) internal successors, (96191), 72620 states have internal predecessors, (96191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:55,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72621 states to 72621 states and 96191 transitions. [2024-12-02 06:37:55,484 INFO L78 Accepts]: Start accepts. Automaton has 72621 states and 96191 transitions. Word has length 124 [2024-12-02 06:37:55,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:55,484 INFO L471 AbstractCegarLoop]: Abstraction has 72621 states and 96191 transitions. [2024-12-02 06:37:55,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 10.464285714285714) internal successors, (293), 27 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:55,485 INFO L276 IsEmpty]: Start isEmpty. Operand 72621 states and 96191 transitions. [2024-12-02 06:37:55,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 06:37:55,489 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:55,489 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 06:37:55,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:37:55,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-12-02 06:37:55,690 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:55,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:55,690 INFO L85 PathProgramCache]: Analyzing trace with hash 645605547, now seen corresponding path program 1 times [2024-12-02 06:37:55,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:55,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319979620] [2024-12-02 06:37:55,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:55,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-02 06:37:55,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:55,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319979620] [2024-12-02 06:37:55,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319979620] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:55,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:55,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:37:55,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840666152] [2024-12-02 06:37:55,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:55,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:37:55,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:37:55,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:37:55,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:37:55,913 INFO L87 Difference]: Start difference. First operand 72621 states and 96191 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:56,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:56,527 INFO L93 Difference]: Finished difference Result 219458 states and 290154 transitions. [2024-12-02 06:37:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:37:56,528 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 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 125 [2024-12-02 06:37:56,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:56,635 INFO L225 Difference]: With dead ends: 219458 [2024-12-02 06:37:56,635 INFO L226 Difference]: Without dead ends: 146930 [2024-12-02 06:37:56,680 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 06:37:56,681 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 448 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:56,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 591 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:37:56,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146930 states. [2024-12-02 06:37:57,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146930 to 72621. [2024-12-02 06:37:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72621 states, 72620 states have (on average 1.3245524648857063) internal successors, (96189), 72620 states have internal predecessors, (96189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:57,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72621 states to 72621 states and 96189 transitions. [2024-12-02 06:37:57,803 INFO L78 Accepts]: Start accepts. Automaton has 72621 states and 96189 transitions. Word has length 125 [2024-12-02 06:37:57,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:57,804 INFO L471 AbstractCegarLoop]: Abstraction has 72621 states and 96189 transitions. [2024-12-02 06:37:57,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:37:57,804 INFO L276 IsEmpty]: Start isEmpty. Operand 72621 states and 96189 transitions. [2024-12-02 06:37:57,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 06:37:57,808 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:57,808 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 06:37:57,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-12-02 06:37:57,809 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:37:57,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:57,809 INFO L85 PathProgramCache]: Analyzing trace with hash -784675966, now seen corresponding path program 1 times [2024-12-02 06:37:57,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:37:57,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230751311] [2024-12-02 06:37:57,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:57,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:37:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:37:58,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:37:58,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230751311] [2024-12-02 06:37:58,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230751311] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:37:58,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807905924] [2024-12-02 06:37:58,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:58,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:37:58,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:37:58,272 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:37:58,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 06:37:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:58,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:37:58,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:37:59,241 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:37:59,242 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:38:00,664 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:00,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807905924] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:38:00,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:38:00,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-12-02 06:38:00,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960588471] [2024-12-02 06:38:00,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:38:00,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-02 06:38:00,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:00,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-02 06:38:00,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=695, Unknown=0, NotChecked=0, Total=812 [2024-12-02 06:38:00,667 INFO L87 Difference]: Start difference. First operand 72621 states and 96189 transitions. Second operand has 29 states, 29 states have (on average 10.96551724137931) internal successors, (318), 28 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:02,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:38:02,120 INFO L93 Difference]: Finished difference Result 296740 states and 395601 transitions. [2024-12-02 06:38:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 06:38:02,120 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 10.96551724137931) internal successors, (318), 28 states have internal predecessors, (318), 0 states have call successors, (0), 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 127 [2024-12-02 06:38:02,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:38:02,293 INFO L225 Difference]: With dead ends: 296740 [2024-12-02 06:38:02,293 INFO L226 Difference]: Without dead ends: 224224 [2024-12-02 06:38:02,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=553, Invalid=1897, Unknown=0, NotChecked=0, Total=2450 [2024-12-02 06:38:02,327 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 1451 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1451 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:38:02,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1451 Valid, 1282 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1108 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:38:02,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224224 states. [2024-12-02 06:38:03,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224224 to 174316. [2024-12-02 06:38:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174316 states, 174315 states have (on average 1.322043427129048) internal successors, (230452), 174315 states have internal predecessors, (230452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:04,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174316 states to 174316 states and 230452 transitions. [2024-12-02 06:38:04,112 INFO L78 Accepts]: Start accepts. Automaton has 174316 states and 230452 transitions. Word has length 127 [2024-12-02 06:38:04,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:38:04,112 INFO L471 AbstractCegarLoop]: Abstraction has 174316 states and 230452 transitions. [2024-12-02 06:38:04,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 10.96551724137931) internal successors, (318), 28 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:04,112 INFO L276 IsEmpty]: Start isEmpty. Operand 174316 states and 230452 transitions. [2024-12-02 06:38:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 06:38:04,118 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:38:04,118 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 06:38:04,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 06:38:04,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-12-02 06:38:04,319 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:38:04,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:04,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1031932154, now seen corresponding path program 1 times [2024-12-02 06:38:04,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:04,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063221032] [2024-12-02 06:38:04,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:04,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:05,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:05,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063221032] [2024-12-02 06:38:05,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063221032] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:38:05,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467316220] [2024-12-02 06:38:05,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:05,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:38:05,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:38:05,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:38:05,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 06:38:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:05,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-02 06:38:05,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:38:09,375 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:09,375 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:38:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:13,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467316220] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:38:13,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:38:13,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 25, 23] total 60 [2024-12-02 06:38:13,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503707677] [2024-12-02 06:38:13,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:38:13,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-12-02 06:38:13,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:13,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-12-02 06:38:13,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=3189, Unknown=0, NotChecked=0, Total=3540 [2024-12-02 06:38:13,536 INFO L87 Difference]: Start difference. First operand 174316 states and 230452 transitions. Second operand has 60 states, 60 states have (on average 5.766666666666667) internal successors, (346), 60 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:42,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:38:42,764 INFO L93 Difference]: Finished difference Result 1360159 states and 1804167 transitions. [2024-12-02 06:38:42,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-12-02 06:38:42,765 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 5.766666666666667) internal successors, (346), 60 states have internal predecessors, (346), 0 states have call successors, (0), 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 127 [2024-12-02 06:38:42,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:38:44,726 INFO L225 Difference]: With dead ends: 1360159 [2024-12-02 06:38:44,727 INFO L226 Difference]: Without dead ends: 1185993 [2024-12-02 06:38:44,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 210 SyntacticMatches, 1 SemanticMatches, 275 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29927 ImplicationChecksByTransitivity, 25.1s TimeCoverageRelationStatistics Valid=8343, Invalid=68109, Unknown=0, NotChecked=0, Total=76452 [2024-12-02 06:38:44,976 INFO L435 NwaCegarLoop]: 396 mSDtfsCounter, 9091 mSDsluCounter, 12194 mSDsCounter, 0 mSdLazyCounter, 4935 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9091 SdHoareTripleChecker+Valid, 12590 SdHoareTripleChecker+Invalid, 5092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 4935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:38:44,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9091 Valid, 12590 Invalid, 5092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 4935 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-12-02 06:38:45,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185993 states. [2024-12-02 06:38:52,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185993 to 517059. [2024-12-02 06:38:52,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517059 states, 517058 states have (on average 1.3247566037079013) internal successors, (684976), 517058 states have internal predecessors, (684976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517059 states to 517059 states and 684976 transitions. [2024-12-02 06:38:53,668 INFO L78 Accepts]: Start accepts. Automaton has 517059 states and 684976 transitions. Word has length 127 [2024-12-02 06:38:53,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:38:53,668 INFO L471 AbstractCegarLoop]: Abstraction has 517059 states and 684976 transitions. [2024-12-02 06:38:53,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 5.766666666666667) internal successors, (346), 60 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 517059 states and 684976 transitions. [2024-12-02 06:38:53,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 06:38:53,688 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:38:53,688 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 06:38:53,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 06:38:53,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-12-02 06:38:53,888 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:38:53,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:53,889 INFO L85 PathProgramCache]: Analyzing trace with hash -498248695, now seen corresponding path program 1 times [2024-12-02 06:38:53,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:53,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99218301] [2024-12-02 06:38:53,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:53,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:54,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:54,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99218301] [2024-12-02 06:38:54,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99218301] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:38:54,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497067949] [2024-12-02 06:38:54,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:54,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:38:54,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:38:54,431 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:38:54,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 06:38:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:54,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 06:38:54,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:38:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:55,668 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:38:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:56,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497067949] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:38:56,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:38:56,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 12] total 34 [2024-12-02 06:38:56,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132448552] [2024-12-02 06:38:56,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:38:56,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-12-02 06:38:56,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:56,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-12-02 06:38:56,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1030, Unknown=0, NotChecked=0, Total=1190 [2024-12-02 06:38:56,957 INFO L87 Difference]: Start difference. First operand 517059 states and 684976 transitions. Second operand has 35 states, 35 states have (on average 10.2) internal successors, (357), 34 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:16,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:39:16,778 INFO L93 Difference]: Finished difference Result 3069397 states and 4039258 transitions. [2024-12-02 06:39:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2024-12-02 06:39:16,779 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 10.2) internal successors, (357), 34 states have internal predecessors, (357), 0 states have call successors, (0), 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 128 [2024-12-02 06:39:16,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:39:20,007 INFO L225 Difference]: With dead ends: 3069397 [2024-12-02 06:39:20,007 INFO L226 Difference]: Without dead ends: 2696021 [2024-12-02 06:39:20,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29805 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=9556, Invalid=68564, Unknown=0, NotChecked=0, Total=78120 [2024-12-02 06:39:20,353 INFO L435 NwaCegarLoop]: 281 mSDtfsCounter, 4775 mSDsluCounter, 3961 mSDsCounter, 0 mSdLazyCounter, 5881 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4775 SdHoareTripleChecker+Valid, 4242 SdHoareTripleChecker+Invalid, 5962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 5881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:39:20,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4775 Valid, 4242 Invalid, 5962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 5881 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-12-02 06:39:21,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696021 states. [2024-12-02 06:39:37,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696021 to 1434956. [2024-12-02 06:39:39,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1434956 states, 1434955 states have (on average 1.3241760194570562) internal successors, (1900133), 1434955 states have internal predecessors, (1900133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:41,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434956 states to 1434956 states and 1900133 transitions. [2024-12-02 06:39:41,807 INFO L78 Accepts]: Start accepts. Automaton has 1434956 states and 1900133 transitions. Word has length 128 [2024-12-02 06:39:41,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:39:41,807 INFO L471 AbstractCegarLoop]: Abstraction has 1434956 states and 1900133 transitions. [2024-12-02 06:39:41,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 10.2) internal successors, (357), 34 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1434956 states and 1900133 transitions. [2024-12-02 06:39:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 06:39:41,844 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:39:41,844 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 06:39:41,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 06:39:42,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:39:42,045 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:39:42,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:42,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1647200837, now seen corresponding path program 1 times [2024-12-02 06:39:42,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:42,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502368036] [2024-12-02 06:39:42,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:39:42,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:39:42,082 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-02 06:39:42,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:42,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502368036] [2024-12-02 06:39:42,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502368036] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:42,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:42,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:39:42,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684784880] [2024-12-02 06:39:42,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:42,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:39:42,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:42,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:39:42,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:39:42,084 INFO L87 Difference]: Start difference. First operand 1434956 states and 1900133 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:48,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:39:48,381 INFO L93 Difference]: Finished difference Result 2536523 states and 3360024 transitions. [2024-12-02 06:39:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:39:48,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 128 [2024-12-02 06:39:48,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:39:50,321 INFO L225 Difference]: With dead ends: 2536523 [2024-12-02 06:39:50,321 INFO L226 Difference]: Without dead ends: 1101762 [2024-12-02 06:39:50,641 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 06:39:50,641 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 107 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:39:50,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 168 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:39:51,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101762 states. [2024-12-02 06:39:59,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101762 to 1101762. [2024-12-02 06:39:59,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101762 states, 1101761 states have (on average 1.3074305588961672) internal successors, (1440476), 1101761 states have internal predecessors, (1440476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:40:01,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101762 states to 1101762 states and 1440476 transitions. [2024-12-02 06:40:01,886 INFO L78 Accepts]: Start accepts. Automaton has 1101762 states and 1440476 transitions. Word has length 128 [2024-12-02 06:40:01,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:40:01,886 INFO L471 AbstractCegarLoop]: Abstraction has 1101762 states and 1440476 transitions. [2024-12-02 06:40:01,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:40:01,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1101762 states and 1440476 transitions. [2024-12-02 06:40:01,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 06:40:01,906 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:40:01,906 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 06:40:01,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-12-02 06:40:01,906 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-12-02 06:40:01,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:40:01,907 INFO L85 PathProgramCache]: Analyzing trace with hash 533692093, now seen corresponding path program 1 times [2024-12-02 06:40:01,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:40:01,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264645095] [2024-12-02 06:40:01,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:40:01,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:40:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:40:02,694 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:40:02,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:40:02,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264645095] [2024-12-02 06:40:02,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264645095] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:40:02,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077583674] [2024-12-02 06:40:02,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:40:02,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:40:02,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:40:02,696 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:40:02,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4fd470f-1a59-48ba-9ce4-483ce874a9c4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 06:40:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:40:02,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:40:02,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:40:03,466 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:40:03,466 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:40:04,691 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:40:04,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077583674] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:40:04,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:40:04,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 28 [2024-12-02 06:40:04,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084616627] [2024-12-02 06:40:04,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:40:04,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-02 06:40:04,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:40:04,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-02 06:40:04,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2024-12-02 06:40:04,692 INFO L87 Difference]: Start difference. First operand 1101762 states and 1440476 transitions. Second operand has 29 states, 29 states have (on average 11.068965517241379) internal successors, (321), 28 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)