./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd --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 c74f92ba3d978b3a2efb098ebc8eb373bc42abebaabf8c6efaf148fbe05036e0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:12:35,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:12:35,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:12:35,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:12:35,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:12:35,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:12:35,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:12:35,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:12:35,533 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:12:35,533 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:12:35,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:12:35,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:12:35,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:12:35,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:12:35,534 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:12:35,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:12:35,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:12:35,534 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:12:35,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:12:35,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:12:35,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:12:35,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:12:35,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:12:35,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:12:35,535 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:12:35,535 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:12:35,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:12:35,536 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:12:35,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:12:35,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:12:35,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:12:35,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:12:35,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:12:35,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:12:35,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:12:35,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:12:35,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:12:35,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:12:35,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:12:35,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:12:35,538 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:12:35,538 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:12:35,538 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_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd 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 -> c74f92ba3d978b3a2efb098ebc8eb373bc42abebaabf8c6efaf148fbe05036e0 [2024-11-13 13:12:35,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:12:35,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:12:35,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:12:35,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:12:35,835 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:12:35,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c Unable to find full path for "g++" [2024-11-13 13:12:37,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:12:38,201 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:12:38,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2024-11-13 13:12:38,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/data/16b906c7d/05fcf86f534c4417bd82ab8ef87f98d3/FLAG3030608de [2024-11-13 13:12:38,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/data/16b906c7d/05fcf86f534c4417bd82ab8ef87f98d3 [2024-11-13 13:12:38,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:12:38,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:12:38,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:12:38,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:12:38,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:12:38,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:12:38" (1/1) ... [2024-11-13 13:12:38,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e882387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:38, skipping insertion in model container [2024-11-13 13:12:38,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:12:38" (1/1) ... [2024-11-13 13:12:38,353 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:12:38,820 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[18857,18870] [2024-11-13 13:12:38,858 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[25957,25970] [2024-11-13 13:12:38,874 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[29482,29495] [2024-11-13 13:12:38,889 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32880,32893] [2024-11-13 13:12:38,908 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[36938,36951] [2024-11-13 13:12:38,922 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[40412,40425] [2024-11-13 13:12:38,936 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[43977,43990] [2024-11-13 13:12:38,950 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[47412,47425] [2024-11-13 13:12:38,965 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[51091,51104] [2024-11-13 13:12:38,979 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[54693,54706] [2024-11-13 13:12:38,992 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[58222,58235] [2024-11-13 13:12:39,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:12:39,058 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:12:39,168 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[18857,18870] [2024-11-13 13:12:39,198 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[25957,25970] [2024-11-13 13:12:39,216 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[29482,29495] [2024-11-13 13:12:39,238 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32880,32893] [2024-11-13 13:12:39,251 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[36938,36951] [2024-11-13 13:12:39,267 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[40412,40425] [2024-11-13 13:12:39,279 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[43977,43990] [2024-11-13 13:12:39,291 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[47412,47425] [2024-11-13 13:12:39,301 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[51091,51104] [2024-11-13 13:12:39,311 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[54693,54706] [2024-11-13 13:12:39,324 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_ebdb0d66-e688-4027-af03-76c876eaf66b/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[58222,58235] [2024-11-13 13:12:39,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:12:39,372 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:12:39,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39 WrapperNode [2024-11-13 13:12:39,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:12:39,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:12:39,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:12:39,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:12:39,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,569 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2971 [2024-11-13 13:12:39,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:12:39,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:12:39,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:12:39,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:12:39,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,608 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,668 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]. [2024-11-13 13:12:39,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:12:39,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:12:39,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:12:39,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:12:39,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (1/1) ... [2024-11-13 13:12:39,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:12:39,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:12:39,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:12:39,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:12:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:12:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:12:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:12:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:12:40,094 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:12:40,097 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:12:42,505 INFO L? ?]: Removed 576 outVars from TransFormulas that were not future-live. [2024-11-13 13:12:42,505 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:12:42,546 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:12:42,546 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:12:42,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:12:42 BoogieIcfgContainer [2024-11-13 13:12:42,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:12:42,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:12:42,550 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:12:42,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:12:42,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:12:38" (1/3) ... [2024-11-13 13:12:42,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f75da88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:12:42, skipping insertion in model container [2024-11-13 13:12:42,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:39" (2/3) ... [2024-11-13 13:12:42,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f75da88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:12:42, skipping insertion in model container [2024-11-13 13:12:42,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:12:42" (3/3) ... [2024-11-13 13:12:42,559 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2024-11-13 13:12:42,574 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:12:42,577 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c that has 1 procedures, 570 locations, 1 initial locations, 0 loop locations, and 11 error locations. [2024-11-13 13:12:42,671 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:12:42,691 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;@65ff9e9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:12:42,691 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-13 13:12:42,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 570 states, 558 states have (on average 1.7831541218637992) internal successors, (995), 569 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:42,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 13:12:42,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:42,723 INFO L215 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] [2024-11-13 13:12:42,726 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:12:42,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:42,733 INFO L85 PathProgramCache]: Analyzing trace with hash 646480323, now seen corresponding path program 1 times [2024-11-13 13:12:42,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:42,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323703603] [2024-11-13 13:12:42,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:42,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:43,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:43,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:43,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323703603] [2024-11-13 13:12:43,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323703603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:43,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:43,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:12:43,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108568862] [2024-11-13 13:12:43,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:43,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:12:43,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:43,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:12:43,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:12:43,594 INFO L87 Difference]: Start difference. First operand has 570 states, 558 states have (on average 1.7831541218637992) internal successors, (995), 569 states have internal predecessors, (995), 0 states have call successors, (0), 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 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) [2024-11-13 13:12:44,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:44,503 INFO L93 Difference]: Finished difference Result 785 states and 1334 transitions. [2024-11-13 13:12:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:12:44,505 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 [2024-11-13 13:12:44,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:44,521 INFO L225 Difference]: With dead ends: 785 [2024-11-13 13:12:44,522 INFO L226 Difference]: Without dead ends: 503 [2024-11-13 13:12:44,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:12:44,529 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 2434 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2434 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:44,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2434 Valid, 551 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:12:44,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-13 13:12:44,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2024-11-13 13:12:44,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 492 states have (on average 1.274390243902439) internal successors, (627), 502 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:44,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 627 transitions. [2024-11-13 13:12:44,621 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 627 transitions. Word has length 60 [2024-11-13 13:12:44,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:44,623 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 627 transitions. [2024-11-13 13:12:44,623 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) [2024-11-13 13:12:44,624 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 627 transitions. [2024-11-13 13:12:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 13:12:44,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:44,630 INFO L215 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] [2024-11-13 13:12:44,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:12:44,631 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)] === [2024-11-13 13:12:44,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:44,632 INFO L85 PathProgramCache]: Analyzing trace with hash 221242932, now seen corresponding path program 1 times [2024-11-13 13:12:44,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:44,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262638123] [2024-11-13 13:12:44,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:44,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:44,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:44,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:44,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262638123] [2024-11-13 13:12:44,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262638123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:44,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:44,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:12:44,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383942065] [2024-11-13 13:12:44,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:44,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:12:44,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:44,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:12:44,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:12:44,970 INFO L87 Difference]: Start difference. First operand 503 states and 627 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) [2024-11-13 13:12:45,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:45,390 INFO L93 Difference]: Finished difference Result 637 states and 796 transitions. [2024-11-13 13:12:45,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:12:45,391 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 [2024-11-13 13:12:45,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:45,394 INFO L225 Difference]: With dead ends: 637 [2024-11-13 13:12:45,394 INFO L226 Difference]: Without dead ends: 381 [2024-11-13 13:12:45,395 INFO L431 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 [2024-11-13 13:12:45,396 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 1376 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1376 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:45,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1376 Valid, 266 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:12:45,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-13 13:12:45,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2024-11-13 13:12:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 370 states have (on average 1.2864864864864864) internal successors, (476), 380 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:45,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 476 transitions. [2024-11-13 13:12:45,412 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 476 transitions. Word has length 60 [2024-11-13 13:12:45,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:45,412 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 476 transitions. [2024-11-13 13:12:45,413 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) [2024-11-13 13:12:45,413 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 476 transitions. [2024-11-13 13:12:45,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 13:12:45,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:45,415 INFO L215 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] [2024-11-13 13:12:45,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:12:45,415 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)] === [2024-11-13 13:12:45,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:45,416 INFO L85 PathProgramCache]: Analyzing trace with hash -2147344789, now seen corresponding path program 1 times [2024-11-13 13:12:45,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:45,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171436185] [2024-11-13 13:12:45,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:45,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:45,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:45,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:45,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171436185] [2024-11-13 13:12:45,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171436185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:45,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:45,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:12:45,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153811523] [2024-11-13 13:12:45,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:45,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:12:45,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:45,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:12:45,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:12:45,653 INFO L87 Difference]: Start difference. First operand 381 states and 476 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) [2024-11-13 13:12:46,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:46,173 INFO L93 Difference]: Finished difference Result 713 states and 908 transitions. [2024-11-13 13:12:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:12:46,174 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 [2024-11-13 13:12:46,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:46,176 INFO L225 Difference]: With dead ends: 713 [2024-11-13 13:12:46,176 INFO L226 Difference]: Without dead ends: 509 [2024-11-13 13:12:46,177 INFO L431 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 [2024-11-13 13:12:46,178 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 1673 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:46,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1673 Valid, 371 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:12:46,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-13 13:12:46,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 450. [2024-11-13 13:12:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 439 states have (on average 1.3416856492027336) internal successors, (589), 449 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:46,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 589 transitions. [2024-11-13 13:12:46,197 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 589 transitions. Word has length 60 [2024-11-13 13:12:46,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:46,197 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 589 transitions. [2024-11-13 13:12:46,198 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) [2024-11-13 13:12:46,198 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 589 transitions. [2024-11-13 13:12:46,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 13:12:46,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:46,200 INFO L215 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] [2024-11-13 13:12:46,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:12:46,200 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)] === [2024-11-13 13:12:46,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:46,201 INFO L85 PathProgramCache]: Analyzing trace with hash 604643521, now seen corresponding path program 1 times [2024-11-13 13:12:46,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:46,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377407474] [2024-11-13 13:12:46,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:46,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:46,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:46,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:46,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377407474] [2024-11-13 13:12:46,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377407474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:46,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:46,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:12:46,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205067177] [2024-11-13 13:12:46,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:46,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:12:46,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:46,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:12:46,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:12:46,505 INFO L87 Difference]: Start difference. First operand 450 states and 589 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:46,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:46,768 INFO L93 Difference]: Finished difference Result 606 states and 794 transitions. [2024-11-13 13:12:46,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:12:46,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2024-11-13 13:12:46,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:46,771 INFO L225 Difference]: With dead ends: 606 [2024-11-13 13:12:46,771 INFO L226 Difference]: Without dead ends: 357 [2024-11-13 13:12:46,771 INFO L431 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 [2024-11-13 13:12:46,772 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 912 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:46,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 209 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:12:46,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-13 13:12:46,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2024-11-13 13:12:46,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.346820809248555) internal successors, (466), 356 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 466 transitions. [2024-11-13 13:12:46,784 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 466 transitions. Word has length 62 [2024-11-13 13:12:46,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:46,785 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 466 transitions. [2024-11-13 13:12:46,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 466 transitions. [2024-11-13 13:12:46,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 13:12:46,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:46,787 INFO L215 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] [2024-11-13 13:12:46,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:12:46,787 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:12:46,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:46,788 INFO L85 PathProgramCache]: Analyzing trace with hash -699288056, now seen corresponding path program 1 times [2024-11-13 13:12:46,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:46,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990287418] [2024-11-13 13:12:46,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:46,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:47,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:47,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:47,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990287418] [2024-11-13 13:12:47,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990287418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:47,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:47,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:12:47,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138724107] [2024-11-13 13:12:47,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:47,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:12:47,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:47,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:12:47,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:12:47,370 INFO L87 Difference]: Start difference. First operand 357 states and 466 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:48,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:48,259 INFO L93 Difference]: Finished difference Result 646 states and 856 transitions. [2024-11-13 13:12:48,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:12:48,260 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2024-11-13 13:12:48,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:48,264 INFO L225 Difference]: With dead ends: 646 [2024-11-13 13:12:48,264 INFO L226 Difference]: Without dead ends: 502 [2024-11-13 13:12:48,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:12:48,266 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1483 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:48,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1483 Valid, 1069 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:12:48,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-13 13:12:48,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 357. [2024-11-13 13:12:48,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.3439306358381502) internal successors, (465), 356 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 465 transitions. [2024-11-13 13:12:48,302 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 465 transitions. Word has length 64 [2024-11-13 13:12:48,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:48,303 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 465 transitions. [2024-11-13 13:12:48,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:48,303 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 465 transitions. [2024-11-13 13:12:48,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 13:12:48,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:48,306 INFO L215 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] [2024-11-13 13:12:48,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:12:48,307 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:12:48,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:48,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1796013608, now seen corresponding path program 1 times [2024-11-13 13:12:48,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:48,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855895096] [2024-11-13 13:12:48,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:48,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:48,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:48,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:48,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855895096] [2024-11-13 13:12:48,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855895096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:48,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:48,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:12:48,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447435961] [2024-11-13 13:12:48,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:48,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:12:48,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:48,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:12:48,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:12:48,848 INFO L87 Difference]: Start difference. First operand 357 states and 465 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:49,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:49,709 INFO L93 Difference]: Finished difference Result 699 states and 938 transitions. [2024-11-13 13:12:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:12:49,710 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2024-11-13 13:12:49,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:49,712 INFO L225 Difference]: With dead ends: 699 [2024-11-13 13:12:49,713 INFO L226 Difference]: Without dead ends: 579 [2024-11-13 13:12:49,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:12:49,716 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 1708 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1708 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:49,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1708 Valid, 953 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:12:49,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-11-13 13:12:49,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 357. [2024-11-13 13:12:49,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.3410404624277457) internal successors, (464), 356 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:49,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 464 transitions. [2024-11-13 13:12:49,739 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 464 transitions. Word has length 64 [2024-11-13 13:12:49,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:49,739 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 464 transitions. [2024-11-13 13:12:49,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:49,740 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 464 transitions. [2024-11-13 13:12:49,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 13:12:49,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:49,741 INFO L215 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] [2024-11-13 13:12:49,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:12:49,741 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)] === [2024-11-13 13:12:49,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:49,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1577721816, now seen corresponding path program 1 times [2024-11-13 13:12:49,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:49,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959000852] [2024-11-13 13:12:49,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:49,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:50,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:50,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:50,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959000852] [2024-11-13 13:12:50,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959000852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:50,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:50,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:12:50,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979118078] [2024-11-13 13:12:50,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:50,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:12:50,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:50,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:12:50,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:12:50,211 INFO L87 Difference]: Start difference. First operand 357 states and 464 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:50,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:50,789 INFO L93 Difference]: Finished difference Result 724 states and 946 transitions. [2024-11-13 13:12:50,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:12:50,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2024-11-13 13:12:50,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:50,792 INFO L225 Difference]: With dead ends: 724 [2024-11-13 13:12:50,793 INFO L226 Difference]: Without dead ends: 531 [2024-11-13 13:12:50,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:12:50,795 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 1320 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1320 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:50,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1320 Valid, 642 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:12:50,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-13 13:12:50,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 357. [2024-11-13 13:12:50,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.3381502890173411) internal successors, (463), 356 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:50,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 463 transitions. [2024-11-13 13:12:50,821 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 463 transitions. Word has length 64 [2024-11-13 13:12:50,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:50,821 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 463 transitions. [2024-11-13 13:12:50,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:50,822 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 463 transitions. [2024-11-13 13:12:50,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 13:12:50,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:50,822 INFO L215 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] [2024-11-13 13:12:50,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:12:50,823 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:12:50,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:50,823 INFO L85 PathProgramCache]: Analyzing trace with hash -295025225, now seen corresponding path program 1 times [2024-11-13 13:12:50,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:50,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211060802] [2024-11-13 13:12:50,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:50,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:51,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:51,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:51,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211060802] [2024-11-13 13:12:51,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211060802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:51,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:51,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:12:51,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854455988] [2024-11-13 13:12:51,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:51,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:12:51,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:51,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:12:51,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:12:51,259 INFO L87 Difference]: Start difference. First operand 357 states and 463 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 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) [2024-11-13 13:12:52,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:52,061 INFO L93 Difference]: Finished difference Result 667 states and 887 transitions. [2024-11-13 13:12:52,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:12:52,062 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 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 [2024-11-13 13:12:52,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:52,064 INFO L225 Difference]: With dead ends: 667 [2024-11-13 13:12:52,064 INFO L226 Difference]: Without dead ends: 558 [2024-11-13 13:12:52,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:12:52,066 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1761 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:52,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 842 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:12:52,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-13 13:12:52,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 357. [2024-11-13 13:12:52,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.3352601156069364) internal successors, (462), 356 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:52,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 462 transitions. [2024-11-13 13:12:52,079 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 462 transitions. Word has length 65 [2024-11-13 13:12:52,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:52,080 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 462 transitions. [2024-11-13 13:12:52,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 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) [2024-11-13 13:12:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 462 transitions. [2024-11-13 13:12:52,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 13:12:52,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:52,081 INFO L215 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] [2024-11-13 13:12:52,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:12:52,082 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:12:52,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:52,082 INFO L85 PathProgramCache]: Analyzing trace with hash -168692467, now seen corresponding path program 1 times [2024-11-13 13:12:52,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:52,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544344730] [2024-11-13 13:12:52,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:52,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:52,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:52,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544344730] [2024-11-13 13:12:52,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544344730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:52,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:52,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:12:52,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612064302] [2024-11-13 13:12:52,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:52,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:12:52,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:52,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:12:52,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:12:52,483 INFO L87 Difference]: Start difference. First operand 357 states and 462 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) [2024-11-13 13:12:53,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:53,185 INFO L93 Difference]: Finished difference Result 598 states and 781 transitions. [2024-11-13 13:12:53,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:12:53,186 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 [2024-11-13 13:12:53,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:53,188 INFO L225 Difference]: With dead ends: 598 [2024-11-13 13:12:53,188 INFO L226 Difference]: Without dead ends: 579 [2024-11-13 13:12:53,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:12:53,190 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 1115 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:53,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 1072 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:12:53,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-11-13 13:12:53,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 357. [2024-11-13 13:12:53,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.329479768786127) internal successors, (460), 356 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:53,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 460 transitions. [2024-11-13 13:12:53,202 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 460 transitions. Word has length 66 [2024-11-13 13:12:53,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:53,202 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 460 transitions. [2024-11-13 13:12:53,202 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) [2024-11-13 13:12:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 460 transitions. [2024-11-13 13:12:53,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 13:12:53,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:53,203 INFO L215 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] [2024-11-13 13:12:53,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:12:53,204 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:12:53,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:53,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1424145869, now seen corresponding path program 1 times [2024-11-13 13:12:53,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:53,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709729435] [2024-11-13 13:12:53,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:53,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:53,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:53,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709729435] [2024-11-13 13:12:53,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709729435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:53,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:53,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:12:53,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424707933] [2024-11-13 13:12:53,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:53,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:12:53,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:53,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:12:53,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:12:53,604 INFO L87 Difference]: Start difference. First operand 357 states and 460 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) [2024-11-13 13:12:54,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:54,275 INFO L93 Difference]: Finished difference Result 564 states and 728 transitions. [2024-11-13 13:12:54,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:12:54,276 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 [2024-11-13 13:12:54,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:54,278 INFO L225 Difference]: With dead ends: 564 [2024-11-13 13:12:54,278 INFO L226 Difference]: Without dead ends: 558 [2024-11-13 13:12:54,279 INFO L431 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 [2024-11-13 13:12:54,279 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1688 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:54,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 897 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:12:54,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-13 13:12:54,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 357. [2024-11-13 13:12:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.323699421965318) internal successors, (458), 356 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 458 transitions. [2024-11-13 13:12:54,292 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 458 transitions. Word has length 66 [2024-11-13 13:12:54,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:54,292 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 458 transitions. [2024-11-13 13:12:54,293 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) [2024-11-13 13:12:54,293 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 458 transitions. [2024-11-13 13:12:54,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 13:12:54,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:54,294 INFO L215 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] [2024-11-13 13:12:54,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:12:54,294 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:12:54,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:54,295 INFO L85 PathProgramCache]: Analyzing trace with hash -155488627, now seen corresponding path program 1 times [2024-11-13 13:12:54,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:54,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182734897] [2024-11-13 13:12:54,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:54,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:54,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:54,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182734897] [2024-11-13 13:12:54,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182734897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:54,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:54,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:12:54,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422782646] [2024-11-13 13:12:54,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:54,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:12:54,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:54,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:12:54,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:12:54,977 INFO L87 Difference]: Start difference. First operand 357 states and 458 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 10 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) [2024-11-13 13:12:55,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:55,987 INFO L93 Difference]: Finished difference Result 673 states and 904 transitions. [2024-11-13 13:12:55,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 13:12:55,988 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 10 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 [2024-11-13 13:12:55,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:55,990 INFO L225 Difference]: With dead ends: 673 [2024-11-13 13:12:55,990 INFO L226 Difference]: Without dead ends: 496 [2024-11-13 13:12:55,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2024-11-13 13:12:55,991 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 1631 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:55,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1631 Valid, 1098 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:12:55,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-13 13:12:56,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 357. [2024-11-13 13:12:56,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.3179190751445087) internal successors, (456), 356 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:56,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 456 transitions. [2024-11-13 13:12:56,005 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 456 transitions. Word has length 66 [2024-11-13 13:12:56,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:56,006 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 456 transitions. [2024-11-13 13:12:56,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 10 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) [2024-11-13 13:12:56,006 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 456 transitions. [2024-11-13 13:12:56,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 13:12:56,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:56,007 INFO L215 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] [2024-11-13 13:12:56,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:12:56,007 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)] === [2024-11-13 13:12:56,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:56,010 INFO L85 PathProgramCache]: Analyzing trace with hash -131812051, now seen corresponding path program 1 times [2024-11-13 13:12:56,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:56,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552257877] [2024-11-13 13:12:56,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:56,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:56,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:56,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552257877] [2024-11-13 13:12:56,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552257877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:56,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:56,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:12:56,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707451277] [2024-11-13 13:12:56,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:56,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:12:56,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:56,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:12:56,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:12:56,508 INFO L87 Difference]: Start difference. First operand 357 states and 456 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) [2024-11-13 13:12:57,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:57,265 INFO L93 Difference]: Finished difference Result 670 states and 883 transitions. [2024-11-13 13:12:57,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:12:57,265 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 [2024-11-13 13:12:57,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:57,267 INFO L225 Difference]: With dead ends: 670 [2024-11-13 13:12:57,268 INFO L226 Difference]: Without dead ends: 558 [2024-11-13 13:12:57,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:12:57,269 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1679 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1679 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:57,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1679 Valid, 897 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:12:57,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-13 13:12:57,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 357. [2024-11-13 13:12:57,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 346 states have (on average 1.3150289017341041) internal successors, (455), 356 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:57,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 455 transitions. [2024-11-13 13:12:57,281 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 455 transitions. Word has length 66 [2024-11-13 13:12:57,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:57,281 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 455 transitions. [2024-11-13 13:12:57,281 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) [2024-11-13 13:12:57,281 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 455 transitions. [2024-11-13 13:12:57,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 13:12:57,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:57,282 INFO L215 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] [2024-11-13 13:12:57,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:12:57,282 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:12:57,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:57,283 INFO L85 PathProgramCache]: Analyzing trace with hash 2058619373, now seen corresponding path program 1 times [2024-11-13 13:12:57,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:57,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682392212] [2024-11-13 13:12:57,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:57,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:57,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:57,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682392212] [2024-11-13 13:12:57,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682392212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:57,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:57,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:12:57,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689049235] [2024-11-13 13:12:57,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:57,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:12:57,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:57,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:12:57,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:12:57,861 INFO L87 Difference]: Start difference. First operand 357 states and 455 transitions. Second operand has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 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) [2024-11-13 13:12:59,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:12:59,263 INFO L93 Difference]: Finished difference Result 1064 states and 1460 transitions. [2024-11-13 13:12:59,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:12:59,263 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 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 [2024-11-13 13:12:59,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:12:59,267 INFO L225 Difference]: With dead ends: 1064 [2024-11-13 13:12:59,268 INFO L226 Difference]: Without dead ends: 939 [2024-11-13 13:12:59,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:12:59,269 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 3379 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3379 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:12:59,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3379 Valid, 1364 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:12:59,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2024-11-13 13:12:59,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 362. [2024-11-13 13:12:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 351 states have (on average 1.3105413105413106) internal successors, (460), 361 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:12:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 460 transitions. [2024-11-13 13:12:59,303 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 460 transitions. Word has length 66 [2024-11-13 13:12:59,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:12:59,303 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 460 transitions. [2024-11-13 13:12:59,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 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) [2024-11-13 13:12:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 460 transitions. [2024-11-13 13:12:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 13:12:59,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:12:59,305 INFO L215 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] [2024-11-13 13:12:59,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:12:59,305 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:12:59,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:12:59,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1833305997, now seen corresponding path program 1 times [2024-11-13 13:12:59,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:12:59,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525593099] [2024-11-13 13:12:59,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:12:59,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:12:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:12:59,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:12:59,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:12:59,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525593099] [2024-11-13 13:12:59,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525593099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:12:59,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:12:59,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:12:59,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704411876] [2024-11-13 13:12:59,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:12:59,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:12:59,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:12:59,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:12:59,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:12:59,773 INFO L87 Difference]: Start difference. First operand 362 states and 460 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) [2024-11-13 13:13:00,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:00,475 INFO L93 Difference]: Finished difference Result 569 states and 728 transitions. [2024-11-13 13:13:00,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:13:00,476 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 [2024-11-13 13:13:00,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:00,478 INFO L225 Difference]: With dead ends: 569 [2024-11-13 13:13:00,478 INFO L226 Difference]: Without dead ends: 563 [2024-11-13 13:13:00,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:13:00,479 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1639 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:00,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 882 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:13:00,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-13 13:13:00,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 362. [2024-11-13 13:13:00,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 351 states have (on average 1.3076923076923077) internal successors, (459), 361 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:00,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 459 transitions. [2024-11-13 13:13:00,492 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 459 transitions. Word has length 66 [2024-11-13 13:13:00,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:00,492 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 459 transitions. [2024-11-13 13:13:00,492 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) [2024-11-13 13:13:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 459 transitions. [2024-11-13 13:13:00,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 13:13:00,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:00,493 INFO L215 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] [2024-11-13 13:13:00,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:13:00,494 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:13:00,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:00,494 INFO L85 PathProgramCache]: Analyzing trace with hash 817551922, now seen corresponding path program 1 times [2024-11-13 13:13:00,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:00,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133329194] [2024-11-13 13:13:00,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:00,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:02,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:02,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:02,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133329194] [2024-11-13 13:13:02,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133329194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:02,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:02,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-13 13:13:02,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158981833] [2024-11-13 13:13:02,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:02,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-13 13:13:02,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:02,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-13 13:13:02,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=548, Unknown=0, NotChecked=0, Total=600 [2024-11-13 13:13:02,832 INFO L87 Difference]: Start difference. First operand 362 states and 459 transitions. Second operand has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:08,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:08,439 INFO L93 Difference]: Finished difference Result 873 states and 1153 transitions. [2024-11-13 13:13:08,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 13:13:08,440 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-11-13 13:13:08,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:08,443 INFO L225 Difference]: With dead ends: 873 [2024-11-13 13:13:08,444 INFO L226 Difference]: Without dead ends: 766 [2024-11-13 13:13:08,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=333, Invalid=1923, Unknown=0, NotChecked=0, Total=2256 [2024-11-13 13:13:08,449 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 2082 mSDsluCounter, 6145 mSDsCounter, 0 mSdLazyCounter, 3491 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2082 SdHoareTripleChecker+Valid, 6527 SdHoareTripleChecker+Invalid, 3503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 3491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:08,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2082 Valid, 6527 Invalid, 3503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 3491 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-13 13:13:08,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-11-13 13:13:08,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 361. [2024-11-13 13:13:08,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 350 states have (on average 1.3057142857142856) internal successors, (457), 360 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:08,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 457 transitions. [2024-11-13 13:13:08,464 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 457 transitions. Word has length 67 [2024-11-13 13:13:08,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:08,464 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 457 transitions. [2024-11-13 13:13:08,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:08,465 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 457 transitions. [2024-11-13 13:13:08,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 13:13:08,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:08,466 INFO L215 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] [2024-11-13 13:13:08,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:13:08,467 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:13:08,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:08,467 INFO L85 PathProgramCache]: Analyzing trace with hash 167509874, now seen corresponding path program 1 times [2024-11-13 13:13:08,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:08,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661311220] [2024-11-13 13:13:08,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:08,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:10,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:10,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:10,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661311220] [2024-11-13 13:13:10,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661311220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:10,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:10,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-13 13:13:10,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046811952] [2024-11-13 13:13:10,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:10,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-13 13:13:10,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:10,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-13 13:13:10,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2024-11-13 13:13:10,454 INFO L87 Difference]: Start difference. First operand 361 states and 457 transitions. Second operand has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:14,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:14,168 INFO L93 Difference]: Finished difference Result 725 states and 955 transitions. [2024-11-13 13:13:14,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 13:13:14,168 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-11-13 13:13:14,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:14,171 INFO L225 Difference]: With dead ends: 725 [2024-11-13 13:13:14,171 INFO L226 Difference]: Without dead ends: 618 [2024-11-13 13:13:14,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=379, Invalid=1691, Unknown=0, NotChecked=0, Total=2070 [2024-11-13 13:13:14,175 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 1631 mSDsluCounter, 4777 mSDsCounter, 0 mSdLazyCounter, 2588 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 5110 SdHoareTripleChecker+Invalid, 2600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:14,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1631 Valid, 5110 Invalid, 2600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2588 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 13:13:14,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-13 13:13:14,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 367. [2024-11-13 13:13:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 356 states have (on average 1.3089887640449438) internal successors, (466), 366 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 466 transitions. [2024-11-13 13:13:14,188 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 466 transitions. Word has length 67 [2024-11-13 13:13:14,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:14,188 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 466 transitions. [2024-11-13 13:13:14,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:14,189 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 466 transitions. [2024-11-13 13:13:14,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 13:13:14,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:14,190 INFO L215 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] [2024-11-13 13:13:14,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:13:14,190 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:13:14,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:14,192 INFO L85 PathProgramCache]: Analyzing trace with hash 620991698, now seen corresponding path program 1 times [2024-11-13 13:13:14,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:14,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485008176] [2024-11-13 13:13:14,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:14,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:14,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:14,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485008176] [2024-11-13 13:13:14,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485008176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:14,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:14,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 13:13:14,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098913489] [2024-11-13 13:13:14,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:14,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:13:14,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:14,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:13:14,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:13:14,842 INFO L87 Difference]: Start difference. First operand 367 states and 466 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:15,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:15,460 INFO L93 Difference]: Finished difference Result 527 states and 703 transitions. [2024-11-13 13:13:15,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:13:15,461 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-11-13 13:13:15,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:15,462 INFO L225 Difference]: With dead ends: 527 [2024-11-13 13:13:15,463 INFO L226 Difference]: Without dead ends: 394 [2024-11-13 13:13:15,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-13 13:13:15,465 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 1183 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:15,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1183 Valid, 1546 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:13:15,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-13 13:13:15,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 340. [2024-11-13 13:13:15,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 330 states have (on average 1.312121212121212) internal successors, (433), 339 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:15,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 433 transitions. [2024-11-13 13:13:15,486 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 433 transitions. Word has length 67 [2024-11-13 13:13:15,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:15,486 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 433 transitions. [2024-11-13 13:13:15,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:15,487 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 433 transitions. [2024-11-13 13:13:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 13:13:15,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:15,490 INFO L215 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] [2024-11-13 13:13:15,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:13:15,490 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:13:15,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:15,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1785735868, now seen corresponding path program 1 times [2024-11-13 13:13:15,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:15,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944396333] [2024-11-13 13:13:15,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:15,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:15,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:15,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944396333] [2024-11-13 13:13:15,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944396333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:15,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:15,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:13:15,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937797107] [2024-11-13 13:13:15,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:15,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:13:15,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:15,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:13:15,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:13:15,779 INFO L87 Difference]: Start difference. First operand 340 states and 433 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:16,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:16,467 INFO L93 Difference]: Finished difference Result 675 states and 893 transitions. [2024-11-13 13:13:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:13:16,467 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-11-13 13:13:16,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:16,469 INFO L225 Difference]: With dead ends: 675 [2024-11-13 13:13:16,469 INFO L226 Difference]: Without dead ends: 550 [2024-11-13 13:13:16,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-13 13:13:16,471 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 1158 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:16,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1158 Valid, 1154 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:13:16,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-13 13:13:16,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 340. [2024-11-13 13:13:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 330 states have (on average 1.309090909090909) internal successors, (432), 339 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:16,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 432 transitions. [2024-11-13 13:13:16,483 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 432 transitions. Word has length 67 [2024-11-13 13:13:16,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:16,483 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 432 transitions. [2024-11-13 13:13:16,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 432 transitions. [2024-11-13 13:13:16,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 13:13:16,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:16,486 INFO L215 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] [2024-11-13 13:13:16,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:13:16,487 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:13:16,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:16,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1968382194, now seen corresponding path program 1 times [2024-11-13 13:13:16,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:16,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223982869] [2024-11-13 13:13:16,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:16,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:17,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:17,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:17,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223982869] [2024-11-13 13:13:17,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223982869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:17,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:17,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-13 13:13:17,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684892857] [2024-11-13 13:13:17,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:17,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 13:13:17,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:17,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 13:13:17,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:13:17,477 INFO L87 Difference]: Start difference. First operand 340 states and 432 transitions. Second operand has 16 states, 16 states have (on average 4.25) internal successors, (68), 16 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) [2024-11-13 13:13:19,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:19,121 INFO L93 Difference]: Finished difference Result 801 states and 1052 transitions. [2024-11-13 13:13:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:13:19,122 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.25) internal successors, (68), 16 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 [2024-11-13 13:13:19,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:19,124 INFO L225 Difference]: With dead ends: 801 [2024-11-13 13:13:19,124 INFO L226 Difference]: Without dead ends: 691 [2024-11-13 13:13:19,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2024-11-13 13:13:19,125 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 1940 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1940 SdHoareTripleChecker+Valid, 2328 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:19,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1940 Valid, 2328 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:13:19,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2024-11-13 13:13:19,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 338. [2024-11-13 13:13:19,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 328 states have (on average 1.3048780487804879) internal successors, (428), 337 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:19,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 428 transitions. [2024-11-13 13:13:19,136 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 428 transitions. Word has length 68 [2024-11-13 13:13:19,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:19,137 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 428 transitions. [2024-11-13 13:13:19,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.25) internal successors, (68), 16 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) [2024-11-13 13:13:19,137 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 428 transitions. [2024-11-13 13:13:19,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 13:13:19,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:19,138 INFO L215 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] [2024-11-13 13:13:19,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 13:13:19,138 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:13:19,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:19,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1424994738, now seen corresponding path program 1 times [2024-11-13 13:13:19,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:19,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972963096] [2024-11-13 13:13:19,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:19,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:19,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:19,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972963096] [2024-11-13 13:13:19,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972963096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:19,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:19,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 13:13:19,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317554477] [2024-11-13 13:13:19,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:19,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:13:19,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:19,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:13:19,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:13:19,832 INFO L87 Difference]: Start difference. First operand 338 states and 428 transitions. Second operand has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 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) [2024-11-13 13:13:20,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:20,910 INFO L93 Difference]: Finished difference Result 819 states and 1068 transitions. [2024-11-13 13:13:20,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:13:20,911 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 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 [2024-11-13 13:13:20,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:20,913 INFO L225 Difference]: With dead ends: 819 [2024-11-13 13:13:20,913 INFO L226 Difference]: Without dead ends: 815 [2024-11-13 13:13:20,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-13 13:13:20,914 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 1358 mSDsluCounter, 1878 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 2136 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:20,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 2136 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:13:20,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-13 13:13:20,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 334. [2024-11-13 13:13:20,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 325 states have (on average 1.3046153846153845) internal successors, (424), 333 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:20,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 424 transitions. [2024-11-13 13:13:20,924 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 424 transitions. Word has length 68 [2024-11-13 13:13:20,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:20,925 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 424 transitions. [2024-11-13 13:13:20,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 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) [2024-11-13 13:13:20,925 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 424 transitions. [2024-11-13 13:13:20,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 13:13:20,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:20,926 INFO L215 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] [2024-11-13 13:13:20,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 13:13:20,926 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:13:20,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:20,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1956272974, now seen corresponding path program 1 times [2024-11-13 13:13:20,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:20,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265762983] [2024-11-13 13:13:20,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:20,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:22,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:22,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:22,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265762983] [2024-11-13 13:13:22,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265762983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:22,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:22,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-13 13:13:22,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848116234] [2024-11-13 13:13:22,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:22,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 13:13:22,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:22,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 13:13:22,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2024-11-13 13:13:22,229 INFO L87 Difference]: Start difference. First operand 334 states and 424 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) [2024-11-13 13:13:24,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:24,912 INFO L93 Difference]: Finished difference Result 624 states and 816 transitions. [2024-11-13 13:13:24,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 13:13:24,913 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 [2024-11-13 13:13:24,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:24,915 INFO L225 Difference]: With dead ends: 624 [2024-11-13 13:13:24,915 INFO L226 Difference]: Without dead ends: 617 [2024-11-13 13:13:24,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=302, Invalid=1420, Unknown=0, NotChecked=0, Total=1722 [2024-11-13 13:13:24,917 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 1266 mSDsluCounter, 4976 mSDsCounter, 0 mSdLazyCounter, 2503 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 5370 SdHoareTripleChecker+Invalid, 2514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:24,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1266 Valid, 5370 Invalid, 2514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2503 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 13:13:24,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-13 13:13:24,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 334. [2024-11-13 13:13:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 325 states have (on average 1.3015384615384615) internal successors, (423), 333 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:24,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 423 transitions. [2024-11-13 13:13:24,938 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 423 transitions. Word has length 68 [2024-11-13 13:13:24,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:24,939 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 423 transitions. [2024-11-13 13:13:24,939 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) [2024-11-13 13:13:24,939 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 423 transitions. [2024-11-13 13:13:24,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 13:13:24,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:24,940 INFO L215 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] [2024-11-13 13:13:24,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 13:13:24,940 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:13:24,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:24,942 INFO L85 PathProgramCache]: Analyzing trace with hash -30360855, now seen corresponding path program 1 times [2024-11-13 13:13:24,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:24,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811234528] [2024-11-13 13:13:24,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:24,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:25,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:25,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811234528] [2024-11-13 13:13:25,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811234528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:25,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:25,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-13 13:13:25,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047918100] [2024-11-13 13:13:25,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:25,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:13:25,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:25,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:13:25,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:13:25,637 INFO L87 Difference]: Start difference. First operand 334 states and 423 transitions. Second operand has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 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) [2024-11-13 13:13:26,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:26,249 INFO L93 Difference]: Finished difference Result 510 states and 675 transitions. [2024-11-13 13:13:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:13:26,250 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 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 [2024-11-13 13:13:26,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:26,251 INFO L225 Difference]: With dead ends: 510 [2024-11-13 13:13:26,251 INFO L226 Difference]: Without dead ends: 364 [2024-11-13 13:13:26,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2024-11-13 13:13:26,254 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 950 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 950 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:26,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [950 Valid, 1224 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:13:26,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-13 13:13:26,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 294. [2024-11-13 13:13:26,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 287 states have (on average 1.3066202090592334) internal successors, (375), 293 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 375 transitions. [2024-11-13 13:13:26,260 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 375 transitions. Word has length 68 [2024-11-13 13:13:26,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:26,260 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 375 transitions. [2024-11-13 13:13:26,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 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) [2024-11-13 13:13:26,261 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 375 transitions. [2024-11-13 13:13:26,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 13:13:26,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:26,262 INFO L215 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] [2024-11-13 13:13:26,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 13:13:26,262 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:13:26,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:26,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1763841774, now seen corresponding path program 1 times [2024-11-13 13:13:26,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:26,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091221846] [2024-11-13 13:13:26,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:26,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:26,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:26,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091221846] [2024-11-13 13:13:26,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091221846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:26,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:26,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:13:26,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710946945] [2024-11-13 13:13:26,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:26,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:13:26,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:26,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:13:26,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:13:26,748 INFO L87 Difference]: Start difference. First operand 294 states and 375 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 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) [2024-11-13 13:13:27,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:27,193 INFO L93 Difference]: Finished difference Result 531 states and 715 transitions. [2024-11-13 13:13:27,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:13:27,194 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 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 [2024-11-13 13:13:27,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:27,195 INFO L225 Difference]: With dead ends: 531 [2024-11-13 13:13:27,195 INFO L226 Difference]: Without dead ends: 371 [2024-11-13 13:13:27,196 INFO L431 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 [2024-11-13 13:13:27,196 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 856 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 856 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:27,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [856 Valid, 798 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:13:27,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-13 13:13:27,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 240. [2024-11-13 13:13:27,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 236 states have (on average 1.3135593220338984) internal successors, (310), 239 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:27,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 310 transitions. [2024-11-13 13:13:27,202 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 310 transitions. Word has length 68 [2024-11-13 13:13:27,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:27,202 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 310 transitions. [2024-11-13 13:13:27,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 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) [2024-11-13 13:13:27,203 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 310 transitions. [2024-11-13 13:13:27,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 13:13:27,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:27,203 INFO L215 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] [2024-11-13 13:13:27,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 13:13:27,204 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:13:27,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:27,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1452889883, now seen corresponding path program 1 times [2024-11-13 13:13:27,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:27,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025893231] [2024-11-13 13:13:27,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:27,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:27,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:27,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025893231] [2024-11-13 13:13:27,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025893231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:27,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:27,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-13 13:13:27,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729572666] [2024-11-13 13:13:27,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:27,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:13:27,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:27,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:13:27,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:13:27,968 INFO L87 Difference]: Start difference. First operand 240 states and 310 transitions. Second operand has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 14 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) [2024-11-13 13:13:28,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:28,884 INFO L93 Difference]: Finished difference Result 585 states and 804 transitions. [2024-11-13 13:13:28,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:13:28,884 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 14 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 [2024-11-13 13:13:28,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:28,886 INFO L225 Difference]: With dead ends: 585 [2024-11-13 13:13:28,887 INFO L226 Difference]: Without dead ends: 458 [2024-11-13 13:13:28,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-11-13 13:13:28,887 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 702 mSDsluCounter, 2169 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 2459 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:28,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 2459 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:13:28,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-13 13:13:28,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 254. [2024-11-13 13:13:28,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 250 states have (on average 1.312) internal successors, (328), 253 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:28,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 328 transitions. [2024-11-13 13:13:28,893 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 328 transitions. Word has length 69 [2024-11-13 13:13:28,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:28,894 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 328 transitions. [2024-11-13 13:13:28,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 14 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) [2024-11-13 13:13:28,894 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 328 transitions. [2024-11-13 13:13:28,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 13:13:28,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:28,895 INFO L215 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] [2024-11-13 13:13:28,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 13:13:28,895 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)] === [2024-11-13 13:13:28,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:28,896 INFO L85 PathProgramCache]: Analyzing trace with hash -957086542, now seen corresponding path program 1 times [2024-11-13 13:13:28,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:28,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559070867] [2024-11-13 13:13:28,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:28,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:29,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:29,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:29,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559070867] [2024-11-13 13:13:29,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559070867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:29,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:29,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:13:29,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516947248] [2024-11-13 13:13:29,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:29,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:13:29,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:29,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:13:29,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:13:29,133 INFO L87 Difference]: Start difference. First operand 254 states and 328 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:29,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:29,584 INFO L93 Difference]: Finished difference Result 540 states and 728 transitions. [2024-11-13 13:13:29,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:13:29,584 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-11-13 13:13:29,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:29,585 INFO L225 Difference]: With dead ends: 540 [2024-11-13 13:13:29,586 INFO L226 Difference]: Without dead ends: 400 [2024-11-13 13:13:29,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:13:29,587 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 657 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:29,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 683 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:13:29,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-13 13:13:29,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 254. [2024-11-13 13:13:29,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 250 states have (on average 1.296) internal successors, (324), 253 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 324 transitions. [2024-11-13 13:13:29,593 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 324 transitions. Word has length 70 [2024-11-13 13:13:29,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:29,594 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 324 transitions. [2024-11-13 13:13:29,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 324 transitions. [2024-11-13 13:13:29,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 13:13:29,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:29,595 INFO L215 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] [2024-11-13 13:13:29,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 13:13:29,595 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:13:29,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:29,595 INFO L85 PathProgramCache]: Analyzing trace with hash -195116297, now seen corresponding path program 1 times [2024-11-13 13:13:29,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:29,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579189134] [2024-11-13 13:13:29,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:29,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:30,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:30,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:30,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579189134] [2024-11-13 13:13:30,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579189134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:30,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:30,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-13 13:13:30,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126021924] [2024-11-13 13:13:30,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:30,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 13:13:30,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:30,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 13:13:30,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:13:30,578 INFO L87 Difference]: Start difference. First operand 254 states and 324 transitions. Second operand has 17 states, 17 states have (on average 4.117647058823529) internal successors, (70), 17 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:31,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:31,607 INFO L93 Difference]: Finished difference Result 502 states and 681 transitions. [2024-11-13 13:13:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 13:13:31,607 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.117647058823529) internal successors, (70), 17 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-11-13 13:13:31,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:31,608 INFO L225 Difference]: With dead ends: 502 [2024-11-13 13:13:31,608 INFO L226 Difference]: Without dead ends: 375 [2024-11-13 13:13:31,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=173, Invalid=639, Unknown=0, NotChecked=0, Total=812 [2024-11-13 13:13:31,609 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 385 mSDsluCounter, 2182 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 2415 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:31,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 2415 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:13:31,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-13 13:13:31,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 219. [2024-11-13 13:13:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 217 states have (on average 1.294930875576037) internal successors, (281), 218 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 281 transitions. [2024-11-13 13:13:31,621 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 281 transitions. Word has length 70 [2024-11-13 13:13:31,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:31,622 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 281 transitions. [2024-11-13 13:13:31,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.117647058823529) internal successors, (70), 17 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 281 transitions. [2024-11-13 13:13:31,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 13:13:31,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:31,622 INFO L215 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] [2024-11-13 13:13:31,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 13:13:31,623 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:13:31,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:31,623 INFO L85 PathProgramCache]: Analyzing trace with hash -918116841, now seen corresponding path program 1 times [2024-11-13 13:13:31,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:31,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104430425] [2024-11-13 13:13:31,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:31,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:33,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:33,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:33,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104430425] [2024-11-13 13:13:33,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104430425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:33,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:33,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-13 13:13:33,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319752654] [2024-11-13 13:13:33,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:33,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 13:13:33,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:33,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 13:13:33,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2024-11-13 13:13:33,027 INFO L87 Difference]: Start difference. First operand 219 states and 281 transitions. Second operand has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:34,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:34,936 INFO L93 Difference]: Finished difference Result 361 states and 478 transitions. [2024-11-13 13:13:34,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 13:13:34,940 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2024-11-13 13:13:34,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:34,941 INFO L225 Difference]: With dead ends: 361 [2024-11-13 13:13:34,941 INFO L226 Difference]: Without dead ends: 355 [2024-11-13 13:13:34,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=290, Invalid=1350, Unknown=0, NotChecked=0, Total=1640 [2024-11-13 13:13:34,942 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 355 mSDsluCounter, 1618 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:34,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 1743 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:13:34,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-13 13:13:34,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 232. [2024-11-13 13:13:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 230 states have (on average 1.291304347826087) internal successors, (297), 231 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 297 transitions. [2024-11-13 13:13:34,956 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 297 transitions. Word has length 72 [2024-11-13 13:13:34,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:34,956 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 297 transitions. [2024-11-13 13:13:34,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 297 transitions. [2024-11-13 13:13:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 13:13:34,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:34,957 INFO L215 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] [2024-11-13 13:13:34,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 13:13:34,958 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:13:34,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:34,958 INFO L85 PathProgramCache]: Analyzing trace with hash 370177890, now seen corresponding path program 1 times [2024-11-13 13:13:34,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:34,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520323521] [2024-11-13 13:13:34,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:34,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:36,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:36,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:36,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520323521] [2024-11-13 13:13:36,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520323521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:36,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:36,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-13 13:13:36,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170534600] [2024-11-13 13:13:36,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:36,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 13:13:36,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:36,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 13:13:36,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2024-11-13 13:13:36,599 INFO L87 Difference]: Start difference. First operand 232 states and 297 transitions. Second operand has 21 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 21 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:38,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:38,796 INFO L93 Difference]: Finished difference Result 368 states and 487 transitions. [2024-11-13 13:13:38,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 13:13:38,797 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 21 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2024-11-13 13:13:38,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:38,797 INFO L225 Difference]: With dead ends: 368 [2024-11-13 13:13:38,797 INFO L226 Difference]: Without dead ends: 362 [2024-11-13 13:13:38,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=248, Invalid=1158, Unknown=0, NotChecked=0, Total=1406 [2024-11-13 13:13:38,799 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 560 mSDsluCounter, 1751 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1869 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:38,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 1869 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:13:38,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-13 13:13:38,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 233. [2024-11-13 13:13:38,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 231 states have (on average 1.29004329004329) internal successors, (298), 232 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:38,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 298 transitions. [2024-11-13 13:13:38,805 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 298 transitions. Word has length 73 [2024-11-13 13:13:38,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:38,805 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 298 transitions. [2024-11-13 13:13:38,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 21 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:38,805 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 298 transitions. [2024-11-13 13:13:38,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 13:13:38,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:38,806 INFO L215 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] [2024-11-13 13:13:38,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 13:13:38,806 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-13 13:13:38,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:38,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1339392549, now seen corresponding path program 1 times [2024-11-13 13:13:38,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:38,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493290249] [2024-11-13 13:13:38,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:38,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:39,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:39,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:39,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493290249] [2024-11-13 13:13:39,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493290249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:39,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:39,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 13:13:39,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432639538] [2024-11-13 13:13:39,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:39,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:13:39,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:39,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:13:39,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:13:39,347 INFO L87 Difference]: Start difference. First operand 233 states and 298 transitions. Second operand has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:40,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:40,088 INFO L93 Difference]: Finished difference Result 620 states and 849 transitions. [2024-11-13 13:13:40,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:13:40,088 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2024-11-13 13:13:40,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:40,090 INFO L225 Difference]: With dead ends: 620 [2024-11-13 13:13:40,090 INFO L226 Difference]: Without dead ends: 614 [2024-11-13 13:13:40,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-13 13:13:40,091 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 803 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 1855 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:40,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 1855 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:13:40,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-13 13:13:40,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 213. [2024-11-13 13:13:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.2924528301886793) internal successors, (274), 212 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:40,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 274 transitions. [2024-11-13 13:13:40,097 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 274 transitions. Word has length 73 [2024-11-13 13:13:40,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:40,097 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 274 transitions. [2024-11-13 13:13:40,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:40,097 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 274 transitions. [2024-11-13 13:13:40,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:13:40,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:40,098 INFO L215 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] [2024-11-13 13:13:40,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 13:13:40,098 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)] === [2024-11-13 13:13:40,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:40,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1364481581, now seen corresponding path program 1 times [2024-11-13 13:13:40,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:40,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903731314] [2024-11-13 13:13:40,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:40,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:40,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:40,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903731314] [2024-11-13 13:13:40,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903731314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:40,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:40,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:13:40,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502277180] [2024-11-13 13:13:40,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:40,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:13:40,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:40,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:13:40,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:40,219 INFO L87 Difference]: Start difference. First operand 213 states and 274 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 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) [2024-11-13 13:13:40,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:40,343 INFO L93 Difference]: Finished difference Result 1061 states and 1538 transitions. [2024-11-13 13:13:40,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:13:40,343 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 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 [2024-11-13 13:13:40,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:40,346 INFO L225 Difference]: With dead ends: 1061 [2024-11-13 13:13:40,346 INFO L226 Difference]: Without dead ends: 955 [2024-11-13 13:13:40,348 INFO L431 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 [2024-11-13 13:13:40,349 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 906 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 955 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 [2024-11-13 13:13:40,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 955 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:13:40,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-11-13 13:13:40,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 317. [2024-11-13 13:13:40,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 316 states have (on average 1.3512658227848102) internal successors, (427), 316 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 427 transitions. [2024-11-13 13:13:40,359 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 427 transitions. Word has length 96 [2024-11-13 13:13:40,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:40,360 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 427 transitions. [2024-11-13 13:13:40,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 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) [2024-11-13 13:13:40,360 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 427 transitions. [2024-11-13 13:13:40,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:13:40,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:40,362 INFO L215 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] [2024-11-13 13:13:40,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 13:13:40,363 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)] === [2024-11-13 13:13:40,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:40,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1426852022, now seen corresponding path program 1 times [2024-11-13 13:13:40,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:40,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726046342] [2024-11-13 13:13:40,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:40,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:40,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:40,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726046342] [2024-11-13 13:13:40,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726046342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:40,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:40,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:13:40,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767291754] [2024-11-13 13:13:40,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:40,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:13:40,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:40,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:13:40,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:40,506 INFO L87 Difference]: Start difference. First operand 317 states and 427 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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) [2024-11-13 13:13:40,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:40,594 INFO L93 Difference]: Finished difference Result 1263 states and 1825 transitions. [2024-11-13 13:13:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:13:40,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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 [2024-11-13 13:13:40,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:40,598 INFO L225 Difference]: With dead ends: 1263 [2024-11-13 13:13:40,598 INFO L226 Difference]: Without dead ends: 1053 [2024-11-13 13:13:40,599 INFO L431 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 [2024-11-13 13:13:40,600 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 655 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:40,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 670 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:13:40,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2024-11-13 13:13:40,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 525. [2024-11-13 13:13:40,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 1.4026717557251909) internal successors, (735), 524 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:40,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 735 transitions. [2024-11-13 13:13:40,613 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 735 transitions. Word has length 98 [2024-11-13 13:13:40,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:40,613 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 735 transitions. [2024-11-13 13:13:40,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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) [2024-11-13 13:13:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 735 transitions. [2024-11-13 13:13:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:13:40,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:40,615 INFO L215 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] [2024-11-13 13:13:40,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 13:13:40,615 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)] === [2024-11-13 13:13:40,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:40,616 INFO L85 PathProgramCache]: Analyzing trace with hash 645902315, now seen corresponding path program 1 times [2024-11-13 13:13:40,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:40,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745078714] [2024-11-13 13:13:40,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:40,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:40,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:40,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745078714] [2024-11-13 13:13:40,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745078714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:40,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:40,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:13:40,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449525394] [2024-11-13 13:13:40,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:40,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:13:40,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:40,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:13:40,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:40,837 INFO L87 Difference]: Start difference. First operand 525 states and 735 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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) [2024-11-13 13:13:40,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:40,928 INFO L93 Difference]: Finished difference Result 945 states and 1355 transitions. [2024-11-13 13:13:40,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:13:40,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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 [2024-11-13 13:13:40,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:40,930 INFO L225 Difference]: With dead ends: 945 [2024-11-13 13:13:40,930 INFO L226 Difference]: Without dead ends: 527 [2024-11-13 13:13:40,931 INFO L431 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 [2024-11-13 13:13:40,931 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 138 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 381 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 [2024-11-13 13:13:40,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 381 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:13:40,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2024-11-13 13:13:40,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 525. [2024-11-13 13:13:40,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 1.3950381679389312) internal successors, (731), 524 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:40,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 731 transitions. [2024-11-13 13:13:40,943 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 731 transitions. Word has length 98 [2024-11-13 13:13:40,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:40,943 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 731 transitions. [2024-11-13 13:13:40,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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) [2024-11-13 13:13:40,944 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 731 transitions. [2024-11-13 13:13:40,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:13:40,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:40,945 INFO L215 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] [2024-11-13 13:13:40,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 13:13:40,946 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)] === [2024-11-13 13:13:40,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:40,946 INFO L85 PathProgramCache]: Analyzing trace with hash 579408803, now seen corresponding path program 1 times [2024-11-13 13:13:40,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:40,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771201507] [2024-11-13 13:13:40,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:40,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:41,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:41,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:41,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771201507] [2024-11-13 13:13:41,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771201507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:41,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:41,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:41,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494809744] [2024-11-13 13:13:41,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:41,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:41,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:41,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:41,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:41,009 INFO L87 Difference]: Start difference. First operand 525 states and 731 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) [2024-11-13 13:13:41,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:41,038 INFO L93 Difference]: Finished difference Result 1309 states and 1873 transitions. [2024-11-13 13:13:41,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:41,039 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 [2024-11-13 13:13:41,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:41,041 INFO L225 Difference]: With dead ends: 1309 [2024-11-13 13:13:41,041 INFO L226 Difference]: Without dead ends: 891 [2024-11-13 13:13:41,041 INFO L431 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 [2024-11-13 13:13:41,042 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 67 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:41,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 374 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:13:41,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2024-11-13 13:13:41,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 889. [2024-11-13 13:13:41,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 888 states have (on average 1.3975225225225225) internal successors, (1241), 888 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:41,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1241 transitions. [2024-11-13 13:13:41,057 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1241 transitions. Word has length 98 [2024-11-13 13:13:41,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:41,057 INFO L471 AbstractCegarLoop]: Abstraction has 889 states and 1241 transitions. [2024-11-13 13:13:41,057 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) [2024-11-13 13:13:41,058 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1241 transitions. [2024-11-13 13:13:41,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:13:41,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:41,059 INFO L215 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] [2024-11-13 13:13:41,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 13:13:41,059 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)] === [2024-11-13 13:13:41,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:41,060 INFO L85 PathProgramCache]: Analyzing trace with hash 628880202, now seen corresponding path program 1 times [2024-11-13 13:13:41,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:41,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661170707] [2024-11-13 13:13:41,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:41,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:41,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:41,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:41,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661170707] [2024-11-13 13:13:41,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661170707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:41,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:41,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:13:41,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913624404] [2024-11-13 13:13:41,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:41,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:13:41,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:41,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:13:41,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:41,194 INFO L87 Difference]: Start difference. First operand 889 states and 1241 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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) [2024-11-13 13:13:41,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:41,284 INFO L93 Difference]: Finished difference Result 2655 states and 3782 transitions. [2024-11-13 13:13:41,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:13:41,285 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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 [2024-11-13 13:13:41,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:41,290 INFO L225 Difference]: With dead ends: 2655 [2024-11-13 13:13:41,290 INFO L226 Difference]: Without dead ends: 2263 [2024-11-13 13:13:41,291 INFO L431 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 [2024-11-13 13:13:41,291 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 622 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:41,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 684 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:13:41,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2024-11-13 13:13:41,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1475. [2024-11-13 13:13:41,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1474 states have (on average 1.4118046132971507) internal successors, (2081), 1474 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:41,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2081 transitions. [2024-11-13 13:13:41,317 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2081 transitions. Word has length 98 [2024-11-13 13:13:41,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:41,318 INFO L471 AbstractCegarLoop]: Abstraction has 1475 states and 2081 transitions. [2024-11-13 13:13:41,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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) [2024-11-13 13:13:41,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2081 transitions. [2024-11-13 13:13:41,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:13:41,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:41,320 INFO L215 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] [2024-11-13 13:13:41,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 13:13:41,320 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)] === [2024-11-13 13:13:41,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:41,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1790937782, now seen corresponding path program 1 times [2024-11-13 13:13:41,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:41,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723215768] [2024-11-13 13:13:41,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:41,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:41,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:41,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:41,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723215768] [2024-11-13 13:13:41,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723215768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:41,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:41,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:13:41,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434902242] [2024-11-13 13:13:41,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:41,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:13:41,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:41,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:13:41,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:41,473 INFO L87 Difference]: Start difference. First operand 1475 states and 2081 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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) [2024-11-13 13:13:41,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:41,601 INFO L93 Difference]: Finished difference Result 3045 states and 4342 transitions. [2024-11-13 13:13:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:13:41,601 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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 [2024-11-13 13:13:41,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:41,608 INFO L225 Difference]: With dead ends: 3045 [2024-11-13 13:13:41,608 INFO L226 Difference]: Without dead ends: 2653 [2024-11-13 13:13:41,609 INFO L431 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 [2024-11-13 13:13:41,609 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 589 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 759 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 [2024-11-13 13:13:41,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 759 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:13:41,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2653 states. [2024-11-13 13:13:41,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2653 to 1865. [2024-11-13 13:13:41,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1865 states, 1864 states have (on average 1.4168454935622317) internal successors, (2641), 1864 states have internal predecessors, (2641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2641 transitions. [2024-11-13 13:13:41,652 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 2641 transitions. Word has length 98 [2024-11-13 13:13:41,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:41,653 INFO L471 AbstractCegarLoop]: Abstraction has 1865 states and 2641 transitions. [2024-11-13 13:13:41,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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) [2024-11-13 13:13:41,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2641 transitions. [2024-11-13 13:13:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:13:41,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:41,655 INFO L215 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] [2024-11-13 13:13:41,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 13:13:41,655 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)] === [2024-11-13 13:13:41,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:41,656 INFO L85 PathProgramCache]: Analyzing trace with hash -686393014, now seen corresponding path program 1 times [2024-11-13 13:13:41,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:41,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445589946] [2024-11-13 13:13:41,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:41,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:41,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:41,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445589946] [2024-11-13 13:13:41,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445589946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:41,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:41,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:13:41,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929328964] [2024-11-13 13:13:41,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:41,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:13:41,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:41,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:13:41,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:41,814 INFO L87 Difference]: Start difference. First operand 1865 states and 2641 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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) [2024-11-13 13:13:41,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:41,917 INFO L93 Difference]: Finished difference Result 3435 states and 4902 transitions. [2024-11-13 13:13:41,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:13:41,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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 [2024-11-13 13:13:41,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:41,924 INFO L225 Difference]: With dead ends: 3435 [2024-11-13 13:13:41,925 INFO L226 Difference]: Without dead ends: 3043 [2024-11-13 13:13:41,926 INFO L431 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 [2024-11-13 13:13:41,926 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 648 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:41,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 773 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:13:41,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3043 states. [2024-11-13 13:13:41,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3043 to 2255. [2024-11-13 13:13:41,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 2254 states have (on average 1.4201419698314108) internal successors, (3201), 2254 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:41,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 3201 transitions. [2024-11-13 13:13:41,950 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 3201 transitions. Word has length 98 [2024-11-13 13:13:41,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:41,951 INFO L471 AbstractCegarLoop]: Abstraction has 2255 states and 3201 transitions. [2024-11-13 13:13:41,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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) [2024-11-13 13:13:41,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 3201 transitions. [2024-11-13 13:13:41,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 13:13:41,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:41,952 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:41,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 13:13:41,952 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)] === [2024-11-13 13:13:41,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:41,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1897778033, now seen corresponding path program 1 times [2024-11-13 13:13:41,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:41,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902684971] [2024-11-13 13:13:41,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:41,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:42,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:42,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902684971] [2024-11-13 13:13:42,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902684971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:42,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:42,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:42,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988789949] [2024-11-13 13:13:42,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:42,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:42,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:42,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:42,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:42,083 INFO L87 Difference]: Start difference. First operand 2255 states and 3201 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:42,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:42,117 INFO L93 Difference]: Finished difference Result 5715 states and 8137 transitions. [2024-11-13 13:13:42,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:42,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-13 13:13:42,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:42,134 INFO L225 Difference]: With dead ends: 5715 [2024-11-13 13:13:42,135 INFO L226 Difference]: Without dead ends: 3567 [2024-11-13 13:13:42,137 INFO L431 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 [2024-11-13 13:13:42,137 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 78 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 345 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 [2024-11-13 13:13:42,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 345 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:13:42,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3567 states. [2024-11-13 13:13:42,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3567 to 3389. [2024-11-13 13:13:42,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3389 states, 3388 states have (on average 1.406434474616293) internal successors, (4765), 3388 states have internal predecessors, (4765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:42,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 4765 transitions. [2024-11-13 13:13:42,190 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 4765 transitions. Word has length 99 [2024-11-13 13:13:42,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:42,190 INFO L471 AbstractCegarLoop]: Abstraction has 3389 states and 4765 transitions. [2024-11-13 13:13:42,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:42,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 4765 transitions. [2024-11-13 13:13:42,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 13:13:42,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:42,191 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:42,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-13 13:13:42,191 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)] === [2024-11-13 13:13:42,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:42,192 INFO L85 PathProgramCache]: Analyzing trace with hash 642959826, now seen corresponding path program 1 times [2024-11-13 13:13:42,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:42,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595514007] [2024-11-13 13:13:42,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:42,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:42,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:42,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595514007] [2024-11-13 13:13:42,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595514007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:42,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:42,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:42,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3500586] [2024-11-13 13:13:42,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:42,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:42,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:42,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:42,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:42,309 INFO L87 Difference]: Start difference. First operand 3389 states and 4765 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:42,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:42,344 INFO L93 Difference]: Finished difference Result 9689 states and 13601 transitions. [2024-11-13 13:13:42,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:42,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-13 13:13:42,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:42,356 INFO L225 Difference]: With dead ends: 9689 [2024-11-13 13:13:42,356 INFO L226 Difference]: Without dead ends: 6407 [2024-11-13 13:13:42,359 INFO L431 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 [2024-11-13 13:13:42,360 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 71 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 346 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 [2024-11-13 13:13:42,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 346 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:13:42,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6407 states. [2024-11-13 13:13:42,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6407 to 6141. [2024-11-13 13:13:42,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6141 states, 6140 states have (on average 1.3933224755700326) internal successors, (8555), 6140 states have internal predecessors, (8555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:42,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6141 states to 6141 states and 8555 transitions. [2024-11-13 13:13:42,440 INFO L78 Accepts]: Start accepts. Automaton has 6141 states and 8555 transitions. Word has length 100 [2024-11-13 13:13:42,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:42,440 INFO L471 AbstractCegarLoop]: Abstraction has 6141 states and 8555 transitions. [2024-11-13 13:13:42,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:42,441 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 8555 transitions. [2024-11-13 13:13:42,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 13:13:42,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:42,442 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:42,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-13 13:13:42,442 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)] === [2024-11-13 13:13:42,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:42,443 INFO L85 PathProgramCache]: Analyzing trace with hash -563977445, now seen corresponding path program 1 times [2024-11-13 13:13:42,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:42,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896512961] [2024-11-13 13:13:42,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:42,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:42,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:42,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896512961] [2024-11-13 13:13:42,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896512961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:42,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:42,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:42,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697153883] [2024-11-13 13:13:42,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:42,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:42,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:42,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:42,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:42,556 INFO L87 Difference]: Start difference. First operand 6141 states and 8555 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:42,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:42,609 INFO L93 Difference]: Finished difference Result 17681 states and 24509 transitions. [2024-11-13 13:13:42,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:42,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-13 13:13:42,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:42,634 INFO L225 Difference]: With dead ends: 17681 [2024-11-13 13:13:42,634 INFO L226 Difference]: Without dead ends: 11647 [2024-11-13 13:13:42,640 INFO L431 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 [2024-11-13 13:13:42,641 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 64 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 346 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 [2024-11-13 13:13:42,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 346 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:13:42,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11647 states. [2024-11-13 13:13:42,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11647 to 11117. [2024-11-13 13:13:42,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11117 states, 11116 states have (on average 1.3743252968693775) internal successors, (15277), 11116 states have internal predecessors, (15277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:42,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11117 states to 11117 states and 15277 transitions. [2024-11-13 13:13:42,838 INFO L78 Accepts]: Start accepts. Automaton has 11117 states and 15277 transitions. Word has length 101 [2024-11-13 13:13:42,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:42,838 INFO L471 AbstractCegarLoop]: Abstraction has 11117 states and 15277 transitions. [2024-11-13 13:13:42,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:42,838 INFO L276 IsEmpty]: Start isEmpty. Operand 11117 states and 15277 transitions. [2024-11-13 13:13:42,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 13:13:42,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:42,839 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:42,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-13 13:13:42,840 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)] === [2024-11-13 13:13:42,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:42,840 INFO L85 PathProgramCache]: Analyzing trace with hash 573353758, now seen corresponding path program 1 times [2024-11-13 13:13:42,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:42,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135387573] [2024-11-13 13:13:42,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:42,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:42,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:42,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135387573] [2024-11-13 13:13:42,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135387573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:42,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:42,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:42,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653796884] [2024-11-13 13:13:42,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:42,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:42,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:42,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:42,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:42,964 INFO L87 Difference]: Start difference. First operand 11117 states and 15277 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:43,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:43,038 INFO L93 Difference]: Finished difference Result 32081 states and 43751 transitions. [2024-11-13 13:13:43,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:43,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-13 13:13:43,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:43,087 INFO L225 Difference]: With dead ends: 32081 [2024-11-13 13:13:43,087 INFO L226 Difference]: Without dead ends: 21071 [2024-11-13 13:13:43,098 INFO L431 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 [2024-11-13 13:13:43,098 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 54 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 345 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 [2024-11-13 13:13:43,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 345 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:13:43,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21071 states. [2024-11-13 13:13:43,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21071 to 20013. [2024-11-13 13:13:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20013 states, 20012 states have (on average 1.349440335798521) internal successors, (27005), 20012 states have internal predecessors, (27005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:43,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20013 states to 20013 states and 27005 transitions. [2024-11-13 13:13:43,545 INFO L78 Accepts]: Start accepts. Automaton has 20013 states and 27005 transitions. Word has length 102 [2024-11-13 13:13:43,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:43,545 INFO L471 AbstractCegarLoop]: Abstraction has 20013 states and 27005 transitions. [2024-11-13 13:13:43,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:43,546 INFO L276 IsEmpty]: Start isEmpty. Operand 20013 states and 27005 transitions. [2024-11-13 13:13:43,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 13:13:43,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:43,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:43,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-13 13:13:43,547 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)] === [2024-11-13 13:13:43,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:43,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1488377255, now seen corresponding path program 1 times [2024-11-13 13:13:43,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:43,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521605586] [2024-11-13 13:13:43,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:43,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:43,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:43,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521605586] [2024-11-13 13:13:43,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521605586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:43,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:43,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:13:43,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723869088] [2024-11-13 13:13:43,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:43,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:13:43,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:43,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:13:43,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:13:43,909 INFO L87 Difference]: Start difference. First operand 20013 states and 27005 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:44,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:44,069 INFO L93 Difference]: Finished difference Result 20495 states and 27646 transitions. [2024-11-13 13:13:44,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:13:44,070 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-11-13 13:13:44,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:44,113 INFO L225 Difference]: With dead ends: 20495 [2024-11-13 13:13:44,113 INFO L226 Difference]: Without dead ends: 20493 [2024-11-13 13:13:44,119 INFO L431 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 [2024-11-13 13:13:44,120 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:44,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 778 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:13:44,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20493 states. [2024-11-13 13:13:44,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20493 to 20493. [2024-11-13 13:13:44,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20493 states, 20492 states have (on average 1.3318856138981066) internal successors, (27293), 20492 states have internal predecessors, (27293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:44,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20493 states to 20493 states and 27293 transitions. [2024-11-13 13:13:44,381 INFO L78 Accepts]: Start accepts. Automaton has 20493 states and 27293 transitions. Word has length 103 [2024-11-13 13:13:44,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:44,381 INFO L471 AbstractCegarLoop]: Abstraction has 20493 states and 27293 transitions. [2024-11-13 13:13:44,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:44,381 INFO L276 IsEmpty]: Start isEmpty. Operand 20493 states and 27293 transitions. [2024-11-13 13:13:44,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 13:13:44,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:44,382 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:44,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-13 13:13:44,383 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)] === [2024-11-13 13:13:44,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:44,383 INFO L85 PathProgramCache]: Analyzing trace with hash -108390554, now seen corresponding path program 1 times [2024-11-13 13:13:44,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:44,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913697584] [2024-11-13 13:13:44,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:44,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:44,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:44,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913697584] [2024-11-13 13:13:44,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913697584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:44,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:44,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:44,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345886635] [2024-11-13 13:13:44,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:44,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:44,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:44,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:44,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:44,454 INFO L87 Difference]: Start difference. First operand 20493 states and 27293 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:44,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:44,564 INFO L93 Difference]: Finished difference Result 41521 states and 55335 transitions. [2024-11-13 13:13:44,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:44,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-11-13 13:13:44,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:44,610 INFO L225 Difference]: With dead ends: 41521 [2024-11-13 13:13:44,610 INFO L226 Difference]: Without dead ends: 21135 [2024-11-13 13:13:44,626 INFO L431 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 [2024-11-13 13:13:44,627 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 86 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:44,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 289 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:13:44,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21135 states. [2024-11-13 13:13:44,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21135 to 21133. [2024-11-13 13:13:44,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21133 states, 21132 states have (on average 1.3150198750709825) internal successors, (27789), 21132 states have internal predecessors, (27789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:44,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21133 states to 21133 states and 27789 transitions. [2024-11-13 13:13:44,961 INFO L78 Accepts]: Start accepts. Automaton has 21133 states and 27789 transitions. Word has length 103 [2024-11-13 13:13:44,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:44,962 INFO L471 AbstractCegarLoop]: Abstraction has 21133 states and 27789 transitions. [2024-11-13 13:13:44,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:44,962 INFO L276 IsEmpty]: Start isEmpty. Operand 21133 states and 27789 transitions. [2024-11-13 13:13:44,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-13 13:13:44,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:44,967 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:44,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-13 13:13:44,967 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)] === [2024-11-13 13:13:44,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:44,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1221771837, now seen corresponding path program 1 times [2024-11-13 13:13:44,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:44,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351670201] [2024-11-13 13:13:44,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:44,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:45,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:45,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351670201] [2024-11-13 13:13:45,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351670201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:13:45,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846076215] [2024-11-13 13:13:45,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:45,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:45,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:45,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:13:45,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:13:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:45,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 13:13:45,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:47,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:13:49,465 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:49,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846076215] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:13:49,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:13:49,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 28 [2024-11-13 13:13:49,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407370672] [2024-11-13 13:13:49,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:13:49,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-13 13:13:49,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:49,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-13 13:13:49,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=703, Unknown=0, NotChecked=0, Total=812 [2024-11-13 13:13:49,470 INFO L87 Difference]: Start difference. First operand 21133 states and 27789 transitions. Second operand has 29 states, 29 states have (on average 12.0) internal successors, (348), 28 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:56,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:56,030 INFO L93 Difference]: Finished difference Result 198662 states and 261005 transitions. [2024-11-13 13:13:56,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-11-13 13:13:56,031 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 12.0) internal successors, (348), 28 states have internal predecessors, (348), 0 states have call successors, (0), 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 130 [2024-11-13 13:13:56,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:56,289 INFO L225 Difference]: With dead ends: 198662 [2024-11-13 13:13:56,289 INFO L226 Difference]: Without dead ends: 177636 [2024-11-13 13:13:56,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7108 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=3164, Invalid=18298, Unknown=0, NotChecked=0, Total=21462 [2024-11-13 13:13:56,554 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 2834 mSDsluCounter, 3137 mSDsCounter, 0 mSdLazyCounter, 3224 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2834 SdHoareTripleChecker+Valid, 3330 SdHoareTripleChecker+Invalid, 3261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 3224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:56,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2834 Valid, 3330 Invalid, 3261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 3224 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 13:13:56,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177636 states. [2024-11-13 13:13:57,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177636 to 77935. [2024-11-13 13:13:57,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77935 states, 77934 states have (on average 1.3032437703698) internal successors, (101567), 77934 states have internal predecessors, (101567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:57,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77935 states to 77935 states and 101567 transitions. [2024-11-13 13:13:57,896 INFO L78 Accepts]: Start accepts. Automaton has 77935 states and 101567 transitions. Word has length 130 [2024-11-13 13:13:57,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:57,897 INFO L471 AbstractCegarLoop]: Abstraction has 77935 states and 101567 transitions. [2024-11-13 13:13:57,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 12.0) internal successors, (348), 28 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:13:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 77935 states and 101567 transitions. [2024-11-13 13:13:57,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-13 13:13:57,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:57,905 INFO L215 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, 1, 1, 1] [2024-11-13 13:13:57,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:13:58,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-13 13:13:58,106 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)] === [2024-11-13 13:13:58,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:58,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1853159154, now seen corresponding path program 1 times [2024-11-13 13:13:58,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:58,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723293946] [2024-11-13 13:13:58,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:58,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:58,742 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:13:58,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:58,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723293946] [2024-11-13 13:13:58,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723293946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:13:58,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548843420] [2024-11-13 13:13:58,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:58,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:58,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:58,744 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:13:58,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:13:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:59,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 13:13:59,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:14:00,174 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:00,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:14:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:01,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548843420] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:14:01,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:14:01,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 10] total 32 [2024-11-13 13:14:01,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484017785] [2024-11-13 13:14:01,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:14:01,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-13 13:14:01,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:01,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-13 13:14:01,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2024-11-13 13:14:01,445 INFO L87 Difference]: Start difference. First operand 77935 states and 101567 transitions. Second operand has 32 states, 32 states have (on average 11.3125) internal successors, (362), 32 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:36,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:36,638 INFO L93 Difference]: Finished difference Result 642507 states and 830229 transitions. [2024-11-13 13:14:36,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 386 states. [2024-11-13 13:14:36,639 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 11.3125) internal successors, (362), 32 states have internal predecessors, (362), 0 states have call successors, (0), 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 131 [2024-11-13 13:14:36,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:38,114 INFO L225 Difference]: With dead ends: 642507 [2024-11-13 13:14:38,114 INFO L226 Difference]: Without dead ends: 564687 [2024-11-13 13:14:38,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 414 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75775 ImplicationChecksByTransitivity, 27.1s TimeCoverageRelationStatistics Valid=19674, Invalid=152966, Unknown=0, NotChecked=0, Total=172640 [2024-11-13 13:14:38,416 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 8398 mSDsluCounter, 3879 mSDsCounter, 0 mSdLazyCounter, 7450 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8398 SdHoareTripleChecker+Valid, 4116 SdHoareTripleChecker+Invalid, 7599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 7450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:38,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8398 Valid, 4116 Invalid, 7599 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [149 Valid, 7450 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-13 13:14:38,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564687 states. [2024-11-13 13:14:43,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564687 to 184521. [2024-11-13 13:14:43,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184521 states, 184520 states have (on average 1.2949219596791677) internal successors, (238939), 184520 states have internal predecessors, (238939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:44,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184521 states to 184521 states and 238939 transitions. [2024-11-13 13:14:44,025 INFO L78 Accepts]: Start accepts. Automaton has 184521 states and 238939 transitions. Word has length 131 [2024-11-13 13:14:44,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:44,025 INFO L471 AbstractCegarLoop]: Abstraction has 184521 states and 238939 transitions. [2024-11-13 13:14:44,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 11.3125) internal successors, (362), 32 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 184521 states and 238939 transitions. [2024-11-13 13:14:44,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-13 13:14:44,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:44,044 INFO L215 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, 1, 1, 1, 1] [2024-11-13 13:14:44,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 13:14:44,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-13 13:14:44,245 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)] === [2024-11-13 13:14:44,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:44,246 INFO L85 PathProgramCache]: Analyzing trace with hash -186520406, now seen corresponding path program 1 times [2024-11-13 13:14:44,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:44,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629902919] [2024-11-13 13:14:44,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:44,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:46,003 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:46,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:46,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629902919] [2024-11-13 13:14:46,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629902919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:14:46,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796357086] [2024-11-13 13:14:46,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:46,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:14:46,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:14:46,006 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:14:46,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:14:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:46,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 13:14:46,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:14:47,512 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:47,512 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:14:49,187 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:49,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796357086] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:14:49,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:14:49,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11, 11] total 35 [2024-11-13 13:14:49,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399851516] [2024-11-13 13:14:49,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:14:49,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-13 13:14:49,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:49,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-13 13:14:49,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1141, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 13:14:49,190 INFO L87 Difference]: Start difference. First operand 184521 states and 238939 transitions. Second operand has 36 states, 36 states have (on average 9.13888888888889) internal successors, (329), 35 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:58,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:58,995 INFO L93 Difference]: Finished difference Result 981579 states and 1285475 transitions. [2024-11-13 13:14:58,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-13 13:14:58,995 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 9.13888888888889) internal successors, (329), 35 states have internal predecessors, (329), 0 states have call successors, (0), 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 132 [2024-11-13 13:14:58,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:00,003 INFO L225 Difference]: With dead ends: 981579 [2024-11-13 13:15:00,003 INFO L226 Difference]: Without dead ends: 797211 [2024-11-13 13:15:00,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2826 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=1770, Invalid=10002, Unknown=0, NotChecked=0, Total=11772 [2024-11-13 13:15:00,220 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 2971 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 3056 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2971 SdHoareTripleChecker+Valid, 2713 SdHoareTripleChecker+Invalid, 3132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 3056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:00,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2971 Valid, 2713 Invalid, 3132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 3056 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-13 13:15:01,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797211 states. [2024-11-13 13:15:07,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797211 to 449173. [2024-11-13 13:15:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449173 states, 449172 states have (on average 1.293671466609673) internal successors, (581081), 449172 states have internal predecessors, (581081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:15:09,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449173 states to 449173 states and 581081 transitions. [2024-11-13 13:15:09,562 INFO L78 Accepts]: Start accepts. Automaton has 449173 states and 581081 transitions. Word has length 132 [2024-11-13 13:15:09,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:09,562 INFO L471 AbstractCegarLoop]: Abstraction has 449173 states and 581081 transitions. [2024-11-13 13:15:09,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 9.13888888888889) internal successors, (329), 35 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:15:09,563 INFO L276 IsEmpty]: Start isEmpty. Operand 449173 states and 581081 transitions. [2024-11-13 13:15:09,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-13 13:15:09,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:09,606 INFO L215 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, 1, 1, 1, 1] [2024-11-13 13:15:09,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:15:09,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebdb0d66-e688-4027-af03-76c876eaf66b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-13 13:15:09,807 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)] === [2024-11-13 13:15:09,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:09,807 INFO L85 PathProgramCache]: Analyzing trace with hash -2031315031, now seen corresponding path program 1 times [2024-11-13 13:15:09,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:15:09,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215622764] [2024-11-13 13:15:09,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:09,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:15:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:10,333 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 13:15:10,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:15:10,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215622764] [2024-11-13 13:15:10,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215622764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:10,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:10,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:15:10,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193045662] [2024-11-13 13:15:10,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:10,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:15:10,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:15:10,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:15:10,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:15:10,335 INFO L87 Difference]: Start difference. First operand 449173 states and 581081 transitions. Second operand has 12 states, 12 states have (on average 10.25) internal successors, (123), 11 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:15:15,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:15,560 INFO L93 Difference]: Finished difference Result 1160705 states and 1492669 transitions. [2024-11-13 13:15:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:15:15,560 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.25) internal successors, (123), 11 states have internal predecessors, (123), 0 states have call successors, (0), 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 132 [2024-11-13 13:15:15,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:16,338 INFO L225 Difference]: With dead ends: 1160705 [2024-11-13 13:15:16,338 INFO L226 Difference]: Without dead ends: 711747 [2024-11-13 13:15:16,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:15:16,434 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 1744 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:16,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 774 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:15:16,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711747 states.