./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/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 0d2234696348c57e259060be7fd705b6cb557422b7cc5a74e51b2a22fa3392bc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:08:54,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:08:55,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:08:55,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:08:55,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:08:55,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:08:55,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:08:55,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:08:55,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:08:55,131 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:08:55,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:08:55,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:08:55,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:08:55,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:08:55,134 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:08:55,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:08:55,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:08:55,135 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:08:55,135 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:08:55,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:08:55,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:08:55,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:08:55,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:08:55,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:08:55,136 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:08:55,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:08:55,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:08:55,137 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:08:55,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:08:55,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:08:55,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:08:55,138 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:08:55,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:08:55,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:08:55,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:08:55,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:08:55,139 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:08:55,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:08:55,140 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:08:55,140 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:08:55,140 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:08:55,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:08:55,141 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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/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 -> 0d2234696348c57e259060be7fd705b6cb557422b7cc5a74e51b2a22fa3392bc [2024-11-13 15:08:55,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:08:55,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:08:55,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:08:55,560 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:08:55,560 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:08:55,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c Unable to find full path for "g++" [2024-11-13 15:08:57,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:08:58,085 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:08:58,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-13 15:08:58,103 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/data/7d0f0eed6/7345d747ac404cbdbbf6698baf904b58/FLAGfbbc97209 [2024-11-13 15:08:58,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/data/7d0f0eed6/7345d747ac404cbdbbf6698baf904b58 [2024-11-13 15:08:58,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:08:58,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:08:58,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:08:58,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:08:58,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:08:58,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:08:58" (1/1) ... [2024-11-13 15:08:58,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbc9fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58, skipping insertion in model container [2024-11-13 15:08:58,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:08:58" (1/1) ... [2024-11-13 15:08:58,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:08:58,562 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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[5817,5830] [2024-11-13 15:08:58,587 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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[8470,8483] [2024-11-13 15:08:58,609 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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11277,11290] [2024-11-13 15:08:58,629 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[13832,13845] [2024-11-13 15:08:58,649 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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16838,16851] [2024-11-13 15:08:58,668 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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[19408,19421] [2024-11-13 15:08:58,686 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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[22168,22181] [2024-11-13 15:08:58,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:08:58,750 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:08:58,809 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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[5817,5830] [2024-11-13 15:08:58,826 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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[8470,8483] [2024-11-13 15:08:58,839 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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11277,11290] [2024-11-13 15:08:58,851 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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[13832,13845] [2024-11-13 15:08:58,864 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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[16838,16851] [2024-11-13 15:08:58,875 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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[19408,19421] [2024-11-13 15:08:58,887 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_5f19f223-df34-4bcc-83ef-7e5a201a45f4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[22168,22181] [2024-11-13 15:08:58,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:08:58,940 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:08:58,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58 WrapperNode [2024-11-13 15:08:58,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:08:58,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:08:58,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:08:58,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:08:58,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58" (1/1) ... [2024-11-13 15:08:58,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58" (1/1) ... [2024-11-13 15:08:59,086 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1335 [2024-11-13 15:08:59,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:08:59,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:08:59,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:08:59,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:08:59,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58" (1/1) ... [2024-11-13 15:08:59,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58" (1/1) ... [2024-11-13 15:08:59,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58" (1/1) ... [2024-11-13 15:08:59,156 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 15:08:59,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58" (1/1) ... [2024-11-13 15:08:59,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58" (1/1) ... [2024-11-13 15:08:59,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58" (1/1) ... [2024-11-13 15:08:59,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58" (1/1) ... [2024-11-13 15:08:59,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58" (1/1) ... [2024-11-13 15:08:59,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58" (1/1) ... [2024-11-13 15:08:59,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:08:59,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:08:59,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:08:59,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:08:59,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58" (1/1) ... [2024-11-13 15:08:59,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:08:59,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:08:59,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:08:59,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:08:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:08:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:08:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:08:59,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:08:59,603 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:08:59,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:09:01,286 INFO L? ?]: Removed 222 outVars from TransFormulas that were not future-live. [2024-11-13 15:09:01,287 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:09:01,306 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:09:01,306 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:09:01,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:09:01 BoogieIcfgContainer [2024-11-13 15:09:01,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:09:01,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:09:01,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:09:01,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:09:01,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:08:58" (1/3) ... [2024-11-13 15:09:01,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e4ced8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:09:01, skipping insertion in model container [2024-11-13 15:09:01,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:08:58" (2/3) ... [2024-11-13 15:09:01,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e4ced8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:09:01, skipping insertion in model container [2024-11-13 15:09:01,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:09:01" (3/3) ... [2024-11-13 15:09:01,318 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-13 15:09:01,335 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:09:01,338 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c that has 1 procedures, 266 locations, 1 initial locations, 0 loop locations, and 7 error locations. [2024-11-13 15:09:01,423 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:09:01,436 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;@91f0dc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:09:01,437 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-13 15:09:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 266 states, 258 states have (on average 1.8294573643410852) internal successors, (472), 265 states have internal predecessors, (472), 0 states have call successors, (0), 0 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 15:09:01,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 15:09:01,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:01,457 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] [2024-11-13 15:09:01,458 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:01,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:01,463 INFO L85 PathProgramCache]: Analyzing trace with hash -102713619, now seen corresponding path program 1 times [2024-11-13 15:09:01,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:01,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387354411] [2024-11-13 15:09:01,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:01,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:02,232 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 15:09:02,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:02,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387354411] [2024-11-13 15:09:02,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387354411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:02,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:02,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:09:02,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066090738] [2024-11-13 15:09:02,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:02,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:09:02,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:02,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:09:02,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:09:02,283 INFO L87 Difference]: Start difference. First operand has 266 states, 258 states have (on average 1.8294573643410852) internal successors, (472), 265 states have internal predecessors, (472), 0 states have call successors, (0), 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 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 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 15:09:02,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:02,724 INFO L93 Difference]: Finished difference Result 343 states and 586 transitions. [2024-11-13 15:09:02,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:09:02,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-13 15:09:02,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:02,744 INFO L225 Difference]: With dead ends: 343 [2024-11-13 15:09:02,744 INFO L226 Difference]: Without dead ends: 193 [2024-11-13 15:09:02,748 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 15:09:02,754 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 934 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:02,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 249 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:09:02,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-13 15:09:02,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2024-11-13 15:09:02,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 186 states have (on average 1.2795698924731183) internal successors, (238), 192 states have internal predecessors, (238), 0 states have call successors, (0), 0 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 15:09:02,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 238 transitions. [2024-11-13 15:09:02,822 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 238 transitions. Word has length 47 [2024-11-13 15:09:02,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:02,823 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 238 transitions. [2024-11-13 15:09:02,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 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 15:09:02,824 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 238 transitions. [2024-11-13 15:09:02,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 15:09:02,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:02,828 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] [2024-11-13 15:09:02,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:09:02,829 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:02,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:02,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1933719334, now seen corresponding path program 1 times [2024-11-13 15:09:02,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:02,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101928079] [2024-11-13 15:09:02,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:02,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:03,258 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 15:09:03,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:03,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101928079] [2024-11-13 15:09:03,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101928079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:03,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:03,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:09:03,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640357613] [2024-11-13 15:09:03,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:03,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:09:03,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:03,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:09:03,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:09:03,265 INFO L87 Difference]: Start difference. First operand 193 states and 238 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 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 15:09:03,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:03,549 INFO L93 Difference]: Finished difference Result 279 states and 353 transitions. [2024-11-13 15:09:03,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:09:03,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-13 15:09:03,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:03,551 INFO L225 Difference]: With dead ends: 279 [2024-11-13 15:09:03,552 INFO L226 Difference]: Without dead ends: 177 [2024-11-13 15:09:03,552 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 15:09:03,553 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 602 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:03,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 139 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:09:03,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-13 15:09:03,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-13 15:09:03,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 170 states have (on average 1.2882352941176471) internal successors, (219), 176 states have internal predecessors, (219), 0 states have call successors, (0), 0 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 15:09:03,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 219 transitions. [2024-11-13 15:09:03,566 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 219 transitions. Word has length 47 [2024-11-13 15:09:03,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:03,566 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 219 transitions. [2024-11-13 15:09:03,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 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 15:09:03,567 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 219 transitions. [2024-11-13 15:09:03,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 15:09:03,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:03,569 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] [2024-11-13 15:09:03,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:09:03,569 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:03,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:03,570 INFO L85 PathProgramCache]: Analyzing trace with hash 458596476, now seen corresponding path program 1 times [2024-11-13 15:09:03,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:03,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566405843] [2024-11-13 15:09:03,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:03,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:09:03,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:03,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566405843] [2024-11-13 15:09:03,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566405843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:03,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:03,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:09:03,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8475251] [2024-11-13 15:09:03,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:03,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:09:03,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:03,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:09:03,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:09:03,884 INFO L87 Difference]: Start difference. First operand 177 states and 219 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 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 15:09:04,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:04,071 INFO L93 Difference]: Finished difference Result 255 states and 323 transitions. [2024-11-13 15:09:04,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:09:04,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-13 15:09:04,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:04,073 INFO L225 Difference]: With dead ends: 255 [2024-11-13 15:09:04,074 INFO L226 Difference]: Without dead ends: 155 [2024-11-13 15:09:04,074 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 15:09:04,075 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 546 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:04,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 121 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:09:04,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-13 15:09:04,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-13 15:09:04,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 148 states have (on average 1.2972972972972974) internal successors, (192), 154 states have internal predecessors, (192), 0 states have call successors, (0), 0 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 15:09:04,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 192 transitions. [2024-11-13 15:09:04,094 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 192 transitions. Word has length 47 [2024-11-13 15:09:04,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:04,095 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 192 transitions. [2024-11-13 15:09:04,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 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 15:09:04,095 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 192 transitions. [2024-11-13 15:09:04,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 15:09:04,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:04,099 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] [2024-11-13 15:09:04,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:09:04,100 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:04,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:04,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1498085814, now seen corresponding path program 1 times [2024-11-13 15:09:04,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:04,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422094568] [2024-11-13 15:09:04,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:04,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:04,805 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 15:09:04,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:04,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422094568] [2024-11-13 15:09:04,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422094568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:04,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:04,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:09:04,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375133783] [2024-11-13 15:09:04,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:04,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:09:04,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:04,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:09:04,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:09:04,807 INFO L87 Difference]: Start difference. First operand 155 states and 192 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 0 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 15:09:05,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:05,321 INFO L93 Difference]: Finished difference Result 242 states and 303 transitions. [2024-11-13 15:09:05,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:09:05,321 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2024-11-13 15:09:05,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:05,323 INFO L225 Difference]: With dead ends: 242 [2024-11-13 15:09:05,323 INFO L226 Difference]: Without dead ends: 237 [2024-11-13 15:09:05,323 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 15:09:05,324 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 859 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:05,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 486 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:09:05,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-13 15:09:05,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 155. [2024-11-13 15:09:05,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 148 states have (on average 1.2905405405405406) internal successors, (191), 154 states have internal predecessors, (191), 0 states have call successors, (0), 0 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 15:09:05,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 191 transitions. [2024-11-13 15:09:05,343 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 191 transitions. Word has length 48 [2024-11-13 15:09:05,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:05,344 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 191 transitions. [2024-11-13 15:09:05,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 0 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 15:09:05,344 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 191 transitions. [2024-11-13 15:09:05,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 15:09:05,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:05,345 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] [2024-11-13 15:09:05,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:09:05,346 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:05,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:05,346 INFO L85 PathProgramCache]: Analyzing trace with hash 267052195, now seen corresponding path program 1 times [2024-11-13 15:09:05,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:05,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803973270] [2024-11-13 15:09:05,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:05,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:05,818 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 15:09:05,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:05,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803973270] [2024-11-13 15:09:05,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803973270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:05,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:05,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:09:05,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449291568] [2024-11-13 15:09:05,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:05,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:09:05,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:05,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:09:05,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:09:05,820 INFO L87 Difference]: Start difference. First operand 155 states and 191 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 0 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 15:09:06,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:06,408 INFO L93 Difference]: Finished difference Result 301 states and 387 transitions. [2024-11-13 15:09:06,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:09:06,409 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2024-11-13 15:09:06,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:06,413 INFO L225 Difference]: With dead ends: 301 [2024-11-13 15:09:06,413 INFO L226 Difference]: Without dead ends: 241 [2024-11-13 15:09:06,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:09:06,418 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 506 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:06,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 487 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:09:06,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-13 15:09:06,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 155. [2024-11-13 15:09:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 148 states have (on average 1.2837837837837838) internal successors, (190), 154 states have internal predecessors, (190), 0 states have call successors, (0), 0 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 15:09:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 190 transitions. [2024-11-13 15:09:06,427 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 190 transitions. Word has length 48 [2024-11-13 15:09:06,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:06,427 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 190 transitions. [2024-11-13 15:09:06,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 0 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 15:09:06,427 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 190 transitions. [2024-11-13 15:09:06,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 15:09:06,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:06,428 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] [2024-11-13 15:09:06,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:09:06,428 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:06,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:06,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1788008380, now seen corresponding path program 1 times [2024-11-13 15:09:06,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:06,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961806210] [2024-11-13 15:09:06,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:06,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:06,855 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 15:09:06,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:06,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961806210] [2024-11-13 15:09:06,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961806210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:06,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:06,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:09:06,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719508171] [2024-11-13 15:09:06,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:06,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:09:06,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:06,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:09:06,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:09:06,858 INFO L87 Difference]: Start difference. First operand 155 states and 190 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 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 15:09:07,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:07,287 INFO L93 Difference]: Finished difference Result 310 states and 390 transitions. [2024-11-13 15:09:07,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:09:07,292 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2024-11-13 15:09:07,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:07,293 INFO L225 Difference]: With dead ends: 310 [2024-11-13 15:09:07,293 INFO L226 Difference]: Without dead ends: 227 [2024-11-13 15:09:07,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:09:07,295 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 964 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:07,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [964 Valid, 391 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:09:07,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-13 15:09:07,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 155. [2024-11-13 15:09:07,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 148 states have (on average 1.277027027027027) internal successors, (189), 154 states have internal predecessors, (189), 0 states have call successors, (0), 0 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 15:09:07,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 189 transitions. [2024-11-13 15:09:07,310 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 189 transitions. Word has length 48 [2024-11-13 15:09:07,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:07,310 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 189 transitions. [2024-11-13 15:09:07,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 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 15:09:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 189 transitions. [2024-11-13 15:09:07,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 15:09:07,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:07,315 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] [2024-11-13 15:09:07,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:09:07,315 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:07,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:07,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1932349207, now seen corresponding path program 1 times [2024-11-13 15:09:07,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:07,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813392521] [2024-11-13 15:09:07,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:07,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:08,339 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 15:09:08,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:08,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813392521] [2024-11-13 15:09:08,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813392521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:08,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:08,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:09:08,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536902880] [2024-11-13 15:09:08,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:08,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:09:08,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:08,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:09:08,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:09:08,342 INFO L87 Difference]: Start difference. First operand 155 states and 189 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 0 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 15:09:09,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:09,346 INFO L93 Difference]: Finished difference Result 235 states and 294 transitions. [2024-11-13 15:09:09,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:09:09,347 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2024-11-13 15:09:09,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:09,350 INFO L225 Difference]: With dead ends: 235 [2024-11-13 15:09:09,351 INFO L226 Difference]: Without dead ends: 231 [2024-11-13 15:09:09,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:09:09,352 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 749 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:09,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 1205 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:09:09,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-13 15:09:09,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 151. [2024-11-13 15:09:09,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 145 states have (on average 1.2758620689655173) internal successors, (185), 150 states have internal predecessors, (185), 0 states have call successors, (0), 0 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 15:09:09,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 185 transitions. [2024-11-13 15:09:09,364 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 185 transitions. Word has length 50 [2024-11-13 15:09:09,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:09,366 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 185 transitions. [2024-11-13 15:09:09,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 0 states have call successors, (0), 0 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 15:09:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2024-11-13 15:09:09,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 15:09:09,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:09,368 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] [2024-11-13 15:09:09,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:09:09,368 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:09,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:09,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1779763646, now seen corresponding path program 1 times [2024-11-13 15:09:09,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:09,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708875353] [2024-11-13 15:09:09,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:09,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:10,139 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 15:09:10,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:10,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708875353] [2024-11-13 15:09:10,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708875353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:10,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:10,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 15:09:10,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809670612] [2024-11-13 15:09:10,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:10,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 15:09:10,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:10,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 15:09:10,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:09:10,142 INFO L87 Difference]: Start difference. First operand 151 states and 185 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 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 15:09:10,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:10,857 INFO L93 Difference]: Finished difference Result 390 states and 512 transitions. [2024-11-13 15:09:10,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:09:10,858 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2024-11-13 15:09:10,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:10,859 INFO L225 Difference]: With dead ends: 390 [2024-11-13 15:09:10,860 INFO L226 Difference]: Without dead ends: 314 [2024-11-13 15:09:10,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-13 15:09:10,861 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 952 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:10,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 840 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:09:10,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-13 15:09:10,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 118. [2024-11-13 15:09:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 115 states have (on average 1.2695652173913043) internal successors, (146), 117 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:09:10,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 146 transitions. [2024-11-13 15:09:10,867 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 146 transitions. Word has length 50 [2024-11-13 15:09:10,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:10,868 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 146 transitions. [2024-11-13 15:09:10,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 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 15:09:10,868 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 146 transitions. [2024-11-13 15:09:10,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 15:09:10,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:10,869 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] [2024-11-13 15:09:10,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:09:10,869 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:10,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:10,870 INFO L85 PathProgramCache]: Analyzing trace with hash -767196360, now seen corresponding path program 1 times [2024-11-13 15:09:10,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:10,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131719569] [2024-11-13 15:09:10,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:10,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:11,237 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 15:09:11,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:11,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131719569] [2024-11-13 15:09:11,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131719569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:11,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:11,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:09:11,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388033654] [2024-11-13 15:09:11,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:11,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:09:11,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:11,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:09:11,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:09:11,239 INFO L87 Difference]: Start difference. First operand 118 states and 146 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 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 15:09:11,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:11,709 INFO L93 Difference]: Finished difference Result 189 states and 239 transitions. [2024-11-13 15:09:11,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:09:11,710 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2024-11-13 15:09:11,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:11,711 INFO L225 Difference]: With dead ends: 189 [2024-11-13 15:09:11,711 INFO L226 Difference]: Without dead ends: 182 [2024-11-13 15:09:11,712 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 15:09:11,713 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 835 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:11,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 364 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:09:11,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-13 15:09:11,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 118. [2024-11-13 15:09:11,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 115 states have (on average 1.2608695652173914) internal successors, (145), 117 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:09:11,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 145 transitions. [2024-11-13 15:09:11,718 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 145 transitions. Word has length 51 [2024-11-13 15:09:11,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:11,719 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 145 transitions. [2024-11-13 15:09:11,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 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 15:09:11,721 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 145 transitions. [2024-11-13 15:09:11,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 15:09:11,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:11,722 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] [2024-11-13 15:09:11,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:09:11,722 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:11,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:11,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1195663953, now seen corresponding path program 1 times [2024-11-13 15:09:11,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:11,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878382011] [2024-11-13 15:09:11,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:11,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:12,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:09:12,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:12,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878382011] [2024-11-13 15:09:12,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878382011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:12,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:12,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 15:09:12,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857661652] [2024-11-13 15:09:12,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:12,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 15:09:12,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:12,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 15:09:12,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:09:12,312 INFO L87 Difference]: Start difference. First operand 118 states and 145 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 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 15:09:13,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:13,279 INFO L93 Difference]: Finished difference Result 295 states and 385 transitions. [2024-11-13 15:09:13,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 15:09:13,280 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2024-11-13 15:09:13,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:13,281 INFO L225 Difference]: With dead ends: 295 [2024-11-13 15:09:13,281 INFO L226 Difference]: Without dead ends: 234 [2024-11-13 15:09:13,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-13 15:09:13,282 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 625 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:13,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 985 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:09:13,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-13 15:09:13,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 118. [2024-11-13 15:09:13,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 115 states have (on average 1.2521739130434784) internal successors, (144), 117 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:09:13,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 144 transitions. [2024-11-13 15:09:13,290 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 144 transitions. Word has length 51 [2024-11-13 15:09:13,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:13,290 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 144 transitions. [2024-11-13 15:09:13,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 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 15:09:13,291 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 144 transitions. [2024-11-13 15:09:13,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 15:09:13,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:13,291 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] [2024-11-13 15:09:13,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:09:13,292 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:13,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:13,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1837589620, now seen corresponding path program 1 times [2024-11-13 15:09:13,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:13,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783868638] [2024-11-13 15:09:13,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:13,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:14,545 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 15:09:14,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:14,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783868638] [2024-11-13 15:09:14,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783868638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:14,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:14,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-13 15:09:14,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367738096] [2024-11-13 15:09:14,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:14,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 15:09:14,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:14,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 15:09:14,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:09:14,547 INFO L87 Difference]: Start difference. First operand 118 states and 144 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 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 15:09:16,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:16,386 INFO L93 Difference]: Finished difference Result 330 states and 426 transitions. [2024-11-13 15:09:16,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 15:09:16,387 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2024-11-13 15:09:16,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:16,389 INFO L225 Difference]: With dead ends: 330 [2024-11-13 15:09:16,389 INFO L226 Difference]: Without dead ends: 324 [2024-11-13 15:09:16,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2024-11-13 15:09:16,392 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 893 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 2081 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:16,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 2081 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 15:09:16,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-13 15:09:16,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 129. [2024-11-13 15:09:16,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 126 states have (on average 1.253968253968254) internal successors, (158), 128 states have internal predecessors, (158), 0 states have call successors, (0), 0 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 15:09:16,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 158 transitions. [2024-11-13 15:09:16,403 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 158 transitions. Word has length 53 [2024-11-13 15:09:16,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:16,403 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 158 transitions. [2024-11-13 15:09:16,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 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 15:09:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 158 transitions. [2024-11-13 15:09:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 15:09:16,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:16,404 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] [2024-11-13 15:09:16,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:09:16,405 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:16,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:16,406 INFO L85 PathProgramCache]: Analyzing trace with hash 916052531, now seen corresponding path program 1 times [2024-11-13 15:09:16,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:16,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583003459] [2024-11-13 15:09:16,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:16,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:17,571 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 15:09:17,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:17,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583003459] [2024-11-13 15:09:17,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583003459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:17,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:17,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-13 15:09:17,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483360889] [2024-11-13 15:09:17,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:17,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 15:09:17,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:17,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 15:09:17,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:09:17,573 INFO L87 Difference]: Start difference. First operand 129 states and 158 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 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 15:09:19,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:19,512 INFO L93 Difference]: Finished difference Result 332 states and 427 transitions. [2024-11-13 15:09:19,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 15:09:19,513 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2024-11-13 15:09:19,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:19,515 INFO L225 Difference]: With dead ends: 332 [2024-11-13 15:09:19,515 INFO L226 Difference]: Without dead ends: 324 [2024-11-13 15:09:19,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=228, Invalid=894, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 15:09:19,517 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 707 mSDsluCounter, 2465 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 2731 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:19,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 2731 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 15:09:19,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-13 15:09:19,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 133. [2024-11-13 15:09:19,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 130 states have (on average 1.2538461538461538) internal successors, (163), 132 states have internal predecessors, (163), 0 states have call successors, (0), 0 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 15:09:19,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 163 transitions. [2024-11-13 15:09:19,524 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 163 transitions. Word has length 53 [2024-11-13 15:09:19,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:19,525 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 163 transitions. [2024-11-13 15:09:19,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 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 15:09:19,525 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 163 transitions. [2024-11-13 15:09:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 15:09:19,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:19,526 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] [2024-11-13 15:09:19,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 15:09:19,526 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:19,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:19,527 INFO L85 PathProgramCache]: Analyzing trace with hash 576756188, now seen corresponding path program 1 times [2024-11-13 15:09:19,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:19,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232041202] [2024-11-13 15:09:19,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:19,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:20,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:09:20,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:20,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232041202] [2024-11-13 15:09:20,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232041202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:20,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:20,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:09:20,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842048697] [2024-11-13 15:09:20,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:20,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:09:20,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:20,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:09:20,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:09:20,245 INFO L87 Difference]: Start difference. First operand 133 states and 163 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 0 states have call successors, (0), 0 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 15:09:21,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:21,041 INFO L93 Difference]: Finished difference Result 189 states and 243 transitions. [2024-11-13 15:09:21,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:09:21,042 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2024-11-13 15:09:21,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:21,043 INFO L225 Difference]: With dead ends: 189 [2024-11-13 15:09:21,043 INFO L226 Difference]: Without dead ends: 183 [2024-11-13 15:09:21,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-13 15:09:21,044 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 618 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:21,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 936 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:09:21,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-13 15:09:21,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 121. [2024-11-13 15:09:21,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 119 states have (on average 1.2521008403361344) internal successors, (149), 120 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:09:21,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 149 transitions. [2024-11-13 15:09:21,050 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 149 transitions. Word has length 54 [2024-11-13 15:09:21,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:21,050 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 149 transitions. [2024-11-13 15:09:21,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 0 states have call successors, (0), 0 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 15:09:21,051 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 149 transitions. [2024-11-13 15:09:21,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 15:09:21,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:21,051 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] [2024-11-13 15:09:21,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 15:09:21,052 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:21,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:21,052 INFO L85 PathProgramCache]: Analyzing trace with hash -787967428, now seen corresponding path program 1 times [2024-11-13 15:09:21,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:21,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935993271] [2024-11-13 15:09:21,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:21,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:21,756 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 15:09:21,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:21,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935993271] [2024-11-13 15:09:21,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935993271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:21,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:21,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 15:09:21,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482919155] [2024-11-13 15:09:21,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:21,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:09:21,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:21,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:09:21,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:09:21,764 INFO L87 Difference]: Start difference. First operand 121 states and 149 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 0 states have call successors, (0), 0 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 15:09:22,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:22,648 INFO L93 Difference]: Finished difference Result 177 states and 228 transitions. [2024-11-13 15:09:22,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:09:22,649 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2024-11-13 15:09:22,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:22,650 INFO L225 Difference]: With dead ends: 177 [2024-11-13 15:09:22,650 INFO L226 Difference]: Without dead ends: 162 [2024-11-13 15:09:22,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-13 15:09:22,651 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 567 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:22,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 941 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:09:22,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-13 15:09:22,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 100. [2024-11-13 15:09:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.2626262626262625) internal successors, (125), 99 states have internal predecessors, (125), 0 states have call successors, (0), 0 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 15:09:22,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 125 transitions. [2024-11-13 15:09:22,658 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 125 transitions. Word has length 54 [2024-11-13 15:09:22,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:22,658 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 125 transitions. [2024-11-13 15:09:22,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 0 states have call successors, (0), 0 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 15:09:22,659 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 125 transitions. [2024-11-13 15:09:22,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 15:09:22,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:22,659 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] [2024-11-13 15:09:22,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 15:09:22,660 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:22,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:22,660 INFO L85 PathProgramCache]: Analyzing trace with hash 415256315, now seen corresponding path program 1 times [2024-11-13 15:09:22,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:22,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600817039] [2024-11-13 15:09:22,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:22,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:22,809 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 15:09:22,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:22,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600817039] [2024-11-13 15:09:22,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600817039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:22,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:22,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:09:22,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329597024] [2024-11-13 15:09:22,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:22,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:09:22,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:22,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:09:22,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:09:22,813 INFO L87 Difference]: Start difference. First operand 100 states and 125 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 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 15:09:22,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:22,935 INFO L93 Difference]: Finished difference Result 358 states and 509 transitions. [2024-11-13 15:09:22,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:09:22,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2024-11-13 15:09:22,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:22,938 INFO L225 Difference]: With dead ends: 358 [2024-11-13 15:09:22,938 INFO L226 Difference]: Without dead ends: 315 [2024-11-13 15:09:22,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:09:22,939 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 485 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:22,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 499 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:09:22,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-13 15:09:22,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 141. [2024-11-13 15:09:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 140 states have (on average 1.3285714285714285) internal successors, (186), 140 states have internal predecessors, (186), 0 states have call successors, (0), 0 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 15:09:22,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 186 transitions. [2024-11-13 15:09:22,954 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 186 transitions. Word has length 71 [2024-11-13 15:09:22,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:22,954 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 186 transitions. [2024-11-13 15:09:22,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 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 15:09:22,955 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 186 transitions. [2024-11-13 15:09:22,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:09:22,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:22,956 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 15:09:22,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 15:09:22,956 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:22,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:22,957 INFO L85 PathProgramCache]: Analyzing trace with hash -237734748, now seen corresponding path program 1 times [2024-11-13 15:09:22,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:22,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296102999] [2024-11-13 15:09:22,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:22,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:23,083 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 15:09:23,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:23,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296102999] [2024-11-13 15:09:23,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296102999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:23,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:23,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:09:23,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056671101] [2024-11-13 15:09:23,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:23,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:09:23,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:23,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:09:23,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:09:23,088 INFO L87 Difference]: Start difference. First operand 141 states and 186 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 15:09:23,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:23,190 INFO L93 Difference]: Finished difference Result 436 states and 623 transitions. [2024-11-13 15:09:23,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:09:23,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 15:09:23,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:23,192 INFO L225 Difference]: With dead ends: 436 [2024-11-13 15:09:23,193 INFO L226 Difference]: Without dead ends: 352 [2024-11-13 15:09:23,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:09:23,194 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 287 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:23,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 433 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:09:23,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-13 15:09:23,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 223. [2024-11-13 15:09:23,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 222 states have (on average 1.3918918918918919) internal successors, (309), 222 states have internal predecessors, (309), 0 states have call successors, (0), 0 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 15:09:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 309 transitions. [2024-11-13 15:09:23,210 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 309 transitions. Word has length 73 [2024-11-13 15:09:23,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:23,211 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 309 transitions. [2024-11-13 15:09:23,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 15:09:23,211 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 309 transitions. [2024-11-13 15:09:23,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:09:23,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:23,212 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 15:09:23,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 15:09:23,212 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:23,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:23,214 INFO L85 PathProgramCache]: Analyzing trace with hash -871401261, now seen corresponding path program 1 times [2024-11-13 15:09:23,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:23,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700534869] [2024-11-13 15:09:23,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:23,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:09:23,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:23,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700534869] [2024-11-13 15:09:23,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700534869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:23,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:23,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:09:23,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136889175] [2024-11-13 15:09:23,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:23,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:09:23,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:23,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:09:23,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:09:23,288 INFO L87 Difference]: Start difference. First operand 223 states and 309 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 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 15:09:23,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:23,328 INFO L93 Difference]: Finished difference Result 391 states and 558 transitions. [2024-11-13 15:09:23,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:09:23,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 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 15:09:23,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:23,331 INFO L225 Difference]: With dead ends: 391 [2024-11-13 15:09:23,332 INFO L226 Difference]: Without dead ends: 225 [2024-11-13 15:09:23,332 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 15:09:23,334 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 51 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:23,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 199 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:09:23,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-13 15:09:23,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 223. [2024-11-13 15:09:23,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 222 states have (on average 1.382882882882883) internal successors, (307), 222 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:09:23,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 307 transitions. [2024-11-13 15:09:23,351 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 307 transitions. Word has length 73 [2024-11-13 15:09:23,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:23,351 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 307 transitions. [2024-11-13 15:09:23,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 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 15:09:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 307 transitions. [2024-11-13 15:09:23,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:09:23,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:23,356 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 15:09:23,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 15:09:23,357 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:23,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:23,357 INFO L85 PathProgramCache]: Analyzing trace with hash -937894773, now seen corresponding path program 1 times [2024-11-13 15:09:23,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:23,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059358221] [2024-11-13 15:09:23,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:23,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:23,437 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 15:09:23,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:23,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059358221] [2024-11-13 15:09:23,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059358221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:23,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:23,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:09:23,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085455850] [2024-11-13 15:09:23,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:23,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:09:23,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:23,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:09:23,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:09:23,440 INFO L87 Difference]: Start difference. First operand 223 states and 307 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 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 15:09:23,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:23,484 INFO L93 Difference]: Finished difference Result 529 states and 755 transitions. [2024-11-13 15:09:23,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:09:23,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 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 15:09:23,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:23,487 INFO L225 Difference]: With dead ends: 529 [2024-11-13 15:09:23,487 INFO L226 Difference]: Without dead ends: 363 [2024-11-13 15:09:23,488 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 15:09:23,488 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 66 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:23,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 195 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:09:23,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-13 15:09:23,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 357. [2024-11-13 15:09:23,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 1.3876404494382022) internal successors, (494), 356 states have internal predecessors, (494), 0 states have call successors, (0), 0 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 15:09:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 494 transitions. [2024-11-13 15:09:23,506 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 494 transitions. Word has length 73 [2024-11-13 15:09:23,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:23,507 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 494 transitions. [2024-11-13 15:09:23,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 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 15:09:23,507 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 494 transitions. [2024-11-13 15:09:23,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 15:09:23,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:23,508 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 15:09:23,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 15:09:23,512 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:23,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:23,512 INFO L85 PathProgramCache]: Analyzing trace with hash -852412764, now seen corresponding path program 1 times [2024-11-13 15:09:23,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:23,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982628336] [2024-11-13 15:09:23,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:23,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:23,654 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 15:09:23,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:23,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982628336] [2024-11-13 15:09:23,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982628336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:23,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:23,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:09:23,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890832953] [2024-11-13 15:09:23,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:23,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:09:23,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:23,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:09:23,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:09:23,658 INFO L87 Difference]: Start difference. First operand 357 states and 494 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 15:09:23,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:23,757 INFO L93 Difference]: Finished difference Result 887 states and 1256 transitions. [2024-11-13 15:09:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:09:23,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 15:09:23,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:23,762 INFO L225 Difference]: With dead ends: 887 [2024-11-13 15:09:23,762 INFO L226 Difference]: Without dead ends: 736 [2024-11-13 15:09:23,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:09:23,763 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 290 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:23,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 432 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:09:23,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-13 15:09:23,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 581. [2024-11-13 15:09:23,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 580 states have (on average 1.4068965517241379) internal successors, (816), 580 states have internal predecessors, (816), 0 states have call successors, (0), 0 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 15:09:23,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 816 transitions. [2024-11-13 15:09:23,784 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 816 transitions. Word has length 73 [2024-11-13 15:09:23,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:23,784 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 816 transitions. [2024-11-13 15:09:23,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 15:09:23,785 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 816 transitions. [2024-11-13 15:09:23,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 15:09:23,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:23,788 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] [2024-11-13 15:09:23,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 15:09:23,789 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:23,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:23,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1459706699, now seen corresponding path program 1 times [2024-11-13 15:09:23,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:23,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420977095] [2024-11-13 15:09:23,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:23,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:23,857 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 15:09:23,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:23,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420977095] [2024-11-13 15:09:23,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420977095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:23,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:23,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:09:23,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133234337] [2024-11-13 15:09:23,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:23,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:09:23,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:23,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:09:23,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:09:23,859 INFO L87 Difference]: Start difference. First operand 581 states and 816 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 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 15:09:23,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:23,905 INFO L93 Difference]: Finished difference Result 1285 states and 1832 transitions. [2024-11-13 15:09:23,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:09:23,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-13 15:09:23,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:23,909 INFO L225 Difference]: With dead ends: 1285 [2024-11-13 15:09:23,909 INFO L226 Difference]: Without dead ends: 761 [2024-11-13 15:09:23,910 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 15:09:23,911 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 50 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:23,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 278 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:09:23,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-11-13 15:09:23,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 751. [2024-11-13 15:09:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 750 states have (on average 1.404) internal successors, (1053), 750 states have internal predecessors, (1053), 0 states have call successors, (0), 0 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 15:09:23,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1053 transitions. [2024-11-13 15:09:23,938 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1053 transitions. Word has length 74 [2024-11-13 15:09:23,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:23,938 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1053 transitions. [2024-11-13 15:09:23,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 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 15:09:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1053 transitions. [2024-11-13 15:09:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 15:09:23,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:23,940 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, 1, 1, 1, 1, 1, 1] [2024-11-13 15:09:23,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 15:09:23,941 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:23,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:23,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1468955342, now seen corresponding path program 1 times [2024-11-13 15:09:23,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:23,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228084706] [2024-11-13 15:09:23,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:23,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:24,071 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 15:09:24,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:24,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228084706] [2024-11-13 15:09:24,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228084706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:24,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:24,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:09:24,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249000484] [2024-11-13 15:09:24,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:24,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:09:24,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:24,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:09:24,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:09:24,073 INFO L87 Difference]: Start difference. First operand 751 states and 1053 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 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 15:09:24,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:24,191 INFO L93 Difference]: Finished difference Result 1362 states and 1927 transitions. [2024-11-13 15:09:24,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:09:24,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-13 15:09:24,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:24,197 INFO L225 Difference]: With dead ends: 1362 [2024-11-13 15:09:24,197 INFO L226 Difference]: Without dead ends: 1156 [2024-11-13 15:09:24,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:09:24,199 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 283 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:24,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 467 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:09:24,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2024-11-13 15:09:24,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 946. [2024-11-13 15:09:24,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 945 states have (on average 1.4095238095238096) internal successors, (1332), 945 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:09:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1332 transitions. [2024-11-13 15:09:24,231 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1332 transitions. Word has length 74 [2024-11-13 15:09:24,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:24,231 INFO L471 AbstractCegarLoop]: Abstraction has 946 states and 1332 transitions. [2024-11-13 15:09:24,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 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 15:09:24,232 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1332 transitions. [2024-11-13 15:09:24,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 15:09:24,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:24,233 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] [2024-11-13 15:09:24,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 15:09:24,233 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:24,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:24,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1631844587, now seen corresponding path program 1 times [2024-11-13 15:09:24,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:24,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208440740] [2024-11-13 15:09:24,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:24,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:24,412 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 15:09:24,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:24,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208440740] [2024-11-13 15:09:24,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208440740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:24,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:24,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:09:24,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159355393] [2024-11-13 15:09:24,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:24,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:09:24,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:24,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:09:24,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:09:24,415 INFO L87 Difference]: Start difference. First operand 946 states and 1332 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 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 15:09:24,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:24,457 INFO L93 Difference]: Finished difference Result 2616 states and 3685 transitions. [2024-11-13 15:09:24,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:09:24,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-13 15:09:24,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:24,465 INFO L225 Difference]: With dead ends: 2616 [2024-11-13 15:09:24,465 INFO L226 Difference]: Without dead ends: 1727 [2024-11-13 15:09:24,468 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 15:09:24,473 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 54 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 256 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 15:09:24,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 256 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:09:24,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2024-11-13 15:09:24,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1617. [2024-11-13 15:09:24,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1617 states, 1616 states have (on average 1.3929455445544554) internal successors, (2251), 1616 states have internal predecessors, (2251), 0 states have call successors, (0), 0 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 15:09:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2251 transitions. [2024-11-13 15:09:24,525 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2251 transitions. Word has length 74 [2024-11-13 15:09:24,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:24,526 INFO L471 AbstractCegarLoop]: Abstraction has 1617 states and 2251 transitions. [2024-11-13 15:09:24,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 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 15:09:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2251 transitions. [2024-11-13 15:09:24,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 15:09:24,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:24,528 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] [2024-11-13 15:09:24,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 15:09:24,529 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:24,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:24,531 INFO L85 PathProgramCache]: Analyzing trace with hash -536068422, now seen corresponding path program 1 times [2024-11-13 15:09:24,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:24,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837364525] [2024-11-13 15:09:24,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:24,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:24,657 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 15:09:24,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:24,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837364525] [2024-11-13 15:09:24,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837364525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:24,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:24,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:09:24,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876084553] [2024-11-13 15:09:24,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:24,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:09:24,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:24,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:09:24,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:09:24,660 INFO L87 Difference]: Start difference. First operand 1617 states and 2251 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 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 15:09:24,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:24,716 INFO L93 Difference]: Finished difference Result 4521 states and 6253 transitions. [2024-11-13 15:09:24,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:09:24,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2024-11-13 15:09:24,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:24,730 INFO L225 Difference]: With dead ends: 4521 [2024-11-13 15:09:24,730 INFO L226 Difference]: Without dead ends: 2961 [2024-11-13 15:09:24,733 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 15:09:24,733 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 44 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 255 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 15:09:24,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 255 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:09:24,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2961 states. [2024-11-13 15:09:24,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2961 to 2743. [2024-11-13 15:09:24,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2743 states, 2742 states have (on average 1.363238512035011) internal successors, (3738), 2742 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 15:09:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2743 states and 3738 transitions. [2024-11-13 15:09:24,824 INFO L78 Accepts]: Start accepts. Automaton has 2743 states and 3738 transitions. Word has length 75 [2024-11-13 15:09:24,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:24,825 INFO L471 AbstractCegarLoop]: Abstraction has 2743 states and 3738 transitions. [2024-11-13 15:09:24,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 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 15:09:24,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2743 states and 3738 transitions. [2024-11-13 15:09:24,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 15:09:24,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:24,826 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] [2024-11-13 15:09:24,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 15:09:24,827 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:24,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:24,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1852091383, now seen corresponding path program 1 times [2024-11-13 15:09:24,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:24,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135007545] [2024-11-13 15:09:24,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:24,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:25,095 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 15:09:25,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:25,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135007545] [2024-11-13 15:09:25,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135007545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:25,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:25,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:09:25,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238845535] [2024-11-13 15:09:25,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:25,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:09:25,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:25,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:09:25,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:09:25,097 INFO L87 Difference]: Start difference. First operand 2743 states and 3738 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 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 15:09:25,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:25,147 INFO L93 Difference]: Finished difference Result 2793 states and 3803 transitions. [2024-11-13 15:09:25,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:09:25,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2024-11-13 15:09:25,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:25,158 INFO L225 Difference]: With dead ends: 2793 [2024-11-13 15:09:25,159 INFO L226 Difference]: Without dead ends: 2791 [2024-11-13 15:09:25,160 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 15:09:25,160 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:25,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 594 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:09:25,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2791 states. [2024-11-13 15:09:25,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2791 to 2791. [2024-11-13 15:09:25,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2790 states have (on average 1.349820788530466) internal successors, (3766), 2790 states have internal predecessors, (3766), 0 states have call successors, (0), 0 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 15:09:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3766 transitions. [2024-11-13 15:09:25,241 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3766 transitions. Word has length 76 [2024-11-13 15:09:25,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:25,241 INFO L471 AbstractCegarLoop]: Abstraction has 2791 states and 3766 transitions. [2024-11-13 15:09:25,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 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 15:09:25,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3766 transitions. [2024-11-13 15:09:25,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 15:09:25,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:25,243 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] [2024-11-13 15:09:25,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 15:09:25,243 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:25,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:25,244 INFO L85 PathProgramCache]: Analyzing trace with hash -966335138, now seen corresponding path program 1 times [2024-11-13 15:09:25,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:25,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407682328] [2024-11-13 15:09:25,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:25,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:25,357 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 15:09:25,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:25,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407682328] [2024-11-13 15:09:25,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407682328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:25,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:25,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:09:25,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258141648] [2024-11-13 15:09:25,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:25,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:09:25,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:25,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:09:25,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:09:25,359 INFO L87 Difference]: Start difference. First operand 2791 states and 3766 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 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 15:09:25,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:25,418 INFO L93 Difference]: Finished difference Result 6447 states and 8660 transitions. [2024-11-13 15:09:25,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:09:25,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-11-13 15:09:25,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:25,431 INFO L225 Difference]: With dead ends: 6447 [2024-11-13 15:09:25,432 INFO L226 Difference]: Without dead ends: 3713 [2024-11-13 15:09:25,435 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 15:09:25,435 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 58 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 257 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 15:09:25,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 257 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:09:25,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3713 states. [2024-11-13 15:09:25,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3713 to 3407. [2024-11-13 15:09:25,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3407 states, 3406 states have (on average 1.3206106870229009) internal successors, (4498), 3406 states have internal predecessors, (4498), 0 states have call successors, (0), 0 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 15:09:25,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3407 states and 4498 transitions. [2024-11-13 15:09:25,523 INFO L78 Accepts]: Start accepts. Automaton has 3407 states and 4498 transitions. Word has length 77 [2024-11-13 15:09:25,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:25,523 INFO L471 AbstractCegarLoop]: Abstraction has 3407 states and 4498 transitions. [2024-11-13 15:09:25,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 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 15:09:25,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 4498 transitions. [2024-11-13 15:09:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 15:09:25,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:25,526 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:09:25,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 15:09:25,527 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:25,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:25,527 INFO L85 PathProgramCache]: Analyzing trace with hash 914913403, now seen corresponding path program 1 times [2024-11-13 15:09:25,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:25,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368520252] [2024-11-13 15:09:25,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:25,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:26,139 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:09:26,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:26,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368520252] [2024-11-13 15:09:26,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368520252] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:09:26,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934548862] [2024-11-13 15:09:26,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:26,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:09:26,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:09:26,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:09:26,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:09:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:26,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 15:09:26,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:09:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:09:27,593 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:09:29,845 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:09:29,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934548862] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:09:29,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:09:29,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2024-11-13 15:09:29,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281158050] [2024-11-13 15:09:29,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:09:29,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 15:09:29,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:29,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 15:09:29,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=661, Unknown=0, NotChecked=0, Total=756 [2024-11-13 15:09:29,850 INFO L87 Difference]: Start difference. First operand 3407 states and 4498 transitions. Second operand has 28 states, 28 states have (on average 8.392857142857142) internal successors, (235), 27 states have internal predecessors, (235), 0 states have call successors, (0), 0 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 15:09:36,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:36,804 INFO L93 Difference]: Finished difference Result 32229 states and 42345 transitions. [2024-11-13 15:09:36,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-11-13 15:09:36,805 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 8.392857142857142) internal successors, (235), 27 states have internal predecessors, (235), 0 states have call successors, (0), 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 15:09:36,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:36,896 INFO L225 Difference]: With dead ends: 32229 [2024-11-13 15:09:36,896 INFO L226 Difference]: Without dead ends: 28879 [2024-11-13 15:09:36,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7068 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=3017, Invalid=18153, Unknown=0, NotChecked=0, Total=21170 [2024-11-13 15:09:36,912 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 2172 mSDsluCounter, 1813 mSDsCounter, 0 mSdLazyCounter, 2103 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2172 SdHoareTripleChecker+Valid, 1931 SdHoareTripleChecker+Invalid, 2145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:36,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2172 Valid, 1931 Invalid, 2145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2103 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 15:09:36,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28879 states. [2024-11-13 15:09:37,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28879 to 18041. [2024-11-13 15:09:37,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18041 states, 18040 states have (on average 1.312638580931264) internal successors, (23680), 18040 states have internal predecessors, (23680), 0 states have call successors, (0), 0 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 15:09:37,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18041 states to 18041 states and 23680 transitions. [2024-11-13 15:09:37,441 INFO L78 Accepts]: Start accepts. Automaton has 18041 states and 23680 transitions. Word has length 98 [2024-11-13 15:09:37,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:37,441 INFO L471 AbstractCegarLoop]: Abstraction has 18041 states and 23680 transitions. [2024-11-13 15:09:37,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 8.392857142857142) internal successors, (235), 27 states have internal predecessors, (235), 0 states have call successors, (0), 0 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 15:09:37,442 INFO L276 IsEmpty]: Start isEmpty. Operand 18041 states and 23680 transitions. [2024-11-13 15:09:37,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 15:09:37,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:37,446 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:09:37,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:09:37,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:09:37,652 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:37,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:37,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1809238733, now seen corresponding path program 1 times [2024-11-13 15:09:37,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:37,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530350129] [2024-11-13 15:09:37,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:37,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:37,764 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:09:37,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:37,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530350129] [2024-11-13 15:09:37,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530350129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:37,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:37,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:09:37,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173262364] [2024-11-13 15:09:37,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:37,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:09:37,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:37,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:09:37,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:09:37,766 INFO L87 Difference]: Start difference. First operand 18041 states and 23680 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 15:09:37,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:37,866 INFO L93 Difference]: Finished difference Result 35241 states and 46283 transitions. [2024-11-13 15:09:37,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:09:37,867 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 15:09:37,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:37,911 INFO L225 Difference]: With dead ends: 35241 [2024-11-13 15:09:37,911 INFO L226 Difference]: Without dead ends: 17283 [2024-11-13 15:09:37,927 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 15:09:37,927 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 55 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:37,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 237 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:09:37,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17283 states. [2024-11-13 15:09:38,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17283 to 17156. [2024-11-13 15:09:38,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17156 states, 17155 states have (on average 1.2863305158845817) internal successors, (22067), 17155 states have internal predecessors, (22067), 0 states have call successors, (0), 0 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 15:09:38,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17156 states to 17156 states and 22067 transitions. [2024-11-13 15:09:38,221 INFO L78 Accepts]: Start accepts. Automaton has 17156 states and 22067 transitions. Word has length 98 [2024-11-13 15:09:38,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:38,222 INFO L471 AbstractCegarLoop]: Abstraction has 17156 states and 22067 transitions. [2024-11-13 15:09:38,222 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 15:09:38,222 INFO L276 IsEmpty]: Start isEmpty. Operand 17156 states and 22067 transitions. [2024-11-13 15:09:38,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 15:09:38,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:38,225 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:09:38,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 15:09:38,225 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:38,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:38,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1600083782, now seen corresponding path program 1 times [2024-11-13 15:09:38,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:38,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181850666] [2024-11-13 15:09:38,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:38,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:09:38,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:38,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181850666] [2024-11-13 15:09:38,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181850666] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:09:38,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320476211] [2024-11-13 15:09:38,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:38,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:09:38,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:09:38,847 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:09:38,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:09:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:39,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 15:09:39,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:09:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:09:39,782 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:09:40,675 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:09:40,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320476211] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:09:40,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:09:40,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 28 [2024-11-13 15:09:40,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426873181] [2024-11-13 15:09:40,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:09:40,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 15:09:40,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:40,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 15:09:40,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2024-11-13 15:09:40,679 INFO L87 Difference]: Start difference. First operand 17156 states and 22067 transitions. Second operand has 28 states, 28 states have (on average 9.642857142857142) internal successors, (270), 28 states have internal predecessors, (270), 0 states have call successors, (0), 0 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 15:09:54,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:54,221 INFO L93 Difference]: Finished difference Result 84626 states and 108144 transitions. [2024-11-13 15:09:54,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-11-13 15:09:54,222 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 9.642857142857142) internal successors, (270), 28 states have internal predecessors, (270), 0 states have call successors, (0), 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 15:09:54,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:54,390 INFO L225 Difference]: With dead ends: 84626 [2024-11-13 15:09:54,391 INFO L226 Difference]: Without dead ends: 67553 [2024-11-13 15:09:54,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19498 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=7084, Invalid=41978, Unknown=0, NotChecked=0, Total=49062 [2024-11-13 15:09:54,424 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 4694 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 2679 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4694 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 2807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 2679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:54,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4694 Valid, 1687 Invalid, 2807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 2679 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 15:09:54,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67553 states. [2024-11-13 15:09:55,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67553 to 40938. [2024-11-13 15:09:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40938 states, 40937 states have (on average 1.2821164227960036) internal successors, (52486), 40937 states have internal predecessors, (52486), 0 states have call successors, (0), 0 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 15:09:55,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40938 states to 40938 states and 52486 transitions. [2024-11-13 15:09:55,376 INFO L78 Accepts]: Start accepts. Automaton has 40938 states and 52486 transitions. Word has length 99 [2024-11-13 15:09:55,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:55,376 INFO L471 AbstractCegarLoop]: Abstraction has 40938 states and 52486 transitions. [2024-11-13 15:09:55,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 9.642857142857142) internal successors, (270), 28 states have internal predecessors, (270), 0 states have call successors, (0), 0 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 15:09:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 40938 states and 52486 transitions. [2024-11-13 15:09:55,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 15:09:55,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:55,387 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:09:55,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:09:55,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-13 15:09:55,591 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:55,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:55,591 INFO L85 PathProgramCache]: Analyzing trace with hash 44373165, now seen corresponding path program 1 times [2024-11-13 15:09:55,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:55,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960443311] [2024-11-13 15:09:55,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:55,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:55,687 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 15:09:55,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:55,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960443311] [2024-11-13 15:09:55,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960443311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:55,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:55,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:09:55,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149884486] [2024-11-13 15:09:55,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:55,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:09:55,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:55,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:09:55,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:09:55,690 INFO L87 Difference]: Start difference. First operand 40938 states and 52486 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:09:55,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:55,887 INFO L93 Difference]: Finished difference Result 71920 states and 92537 transitions. [2024-11-13 15:09:55,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:09:55,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-13 15:09:55,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:55,931 INFO L225 Difference]: With dead ends: 71920 [2024-11-13 15:09:55,931 INFO L226 Difference]: Without dead ends: 31098 [2024-11-13 15:09:55,958 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 15:09:55,962 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 82 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:55,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 103 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:09:55,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31098 states. [2024-11-13 15:09:56,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31098 to 30948. [2024-11-13 15:09:56,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30948 states, 30947 states have (on average 1.2739845542378905) internal successors, (39426), 30947 states have internal predecessors, (39426), 0 states have call successors, (0), 0 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 15:09:56,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30948 states to 30948 states and 39426 transitions. [2024-11-13 15:09:56,768 INFO L78 Accepts]: Start accepts. Automaton has 30948 states and 39426 transitions. Word has length 100 [2024-11-13 15:09:56,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:56,769 INFO L471 AbstractCegarLoop]: Abstraction has 30948 states and 39426 transitions. [2024-11-13 15:09:56,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:09:56,769 INFO L276 IsEmpty]: Start isEmpty. Operand 30948 states and 39426 transitions. [2024-11-13 15:09:56,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 15:09:56,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:56,774 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:09:56,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 15:09:56,774 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:56,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:56,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1119659590, now seen corresponding path program 1 times [2024-11-13 15:09:56,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:56,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335948288] [2024-11-13 15:09:56,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:56,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:57,270 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 15:09:57,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:57,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335948288] [2024-11-13 15:09:57,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335948288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:09:57,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:09:57,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 15:09:57,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573445872] [2024-11-13 15:09:57,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:09:57,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:09:57,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:09:57,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:09:57,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:09:57,272 INFO L87 Difference]: Start difference. First operand 30948 states and 39426 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:09:58,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:09:58,203 INFO L93 Difference]: Finished difference Result 80446 states and 101825 transitions. [2024-11-13 15:09:58,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:09:58,203 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-13 15:09:58,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:09:58,283 INFO L225 Difference]: With dead ends: 80446 [2024-11-13 15:09:58,283 INFO L226 Difference]: Without dead ends: 49602 [2024-11-13 15:09:58,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-13 15:09:58,308 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 1122 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1122 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:09:58,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1122 Valid, 493 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:09:58,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49602 states. [2024-11-13 15:09:58,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49602 to 30948. [2024-11-13 15:09:58,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30948 states, 30947 states have (on average 1.2739199276181858) internal successors, (39424), 30947 states have internal predecessors, (39424), 0 states have call successors, (0), 0 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 15:09:59,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30948 states to 30948 states and 39424 transitions. [2024-11-13 15:09:59,044 INFO L78 Accepts]: Start accepts. Automaton has 30948 states and 39424 transitions. Word has length 100 [2024-11-13 15:09:59,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:09:59,044 INFO L471 AbstractCegarLoop]: Abstraction has 30948 states and 39424 transitions. [2024-11-13 15:09:59,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:09:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 30948 states and 39424 transitions. [2024-11-13 15:09:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 15:09:59,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:09:59,051 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:09:59,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 15:09:59,053 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:09:59,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:09:59,054 INFO L85 PathProgramCache]: Analyzing trace with hash 595165645, now seen corresponding path program 1 times [2024-11-13 15:09:59,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:09:59,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820447073] [2024-11-13 15:09:59,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:59,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:09:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:09:59,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:09:59,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820447073] [2024-11-13 15:09:59,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820447073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:09:59,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606196499] [2024-11-13 15:09:59,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:09:59,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:09:59,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:09:59,607 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:09:59,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:09:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:09:59,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 15:09:59,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:10:00,650 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:00,650 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:10:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:01,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606196499] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:10:01,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:10:01,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 24 [2024-11-13 15:10:01,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351747747] [2024-11-13 15:10:01,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:10:01,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-13 15:10:01,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:01,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-13 15:10:01,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-11-13 15:10:01,436 INFO L87 Difference]: Start difference. First operand 30948 states and 39424 transitions. Second operand has 24 states, 24 states have (on average 11.291666666666666) internal successors, (271), 24 states have internal predecessors, (271), 0 states have call successors, (0), 0 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 15:10:06,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:10:06,620 INFO L93 Difference]: Finished difference Result 90437 states and 114490 transitions. [2024-11-13 15:10:06,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-11-13 15:10:06,621 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 11.291666666666666) internal successors, (271), 24 states have internal predecessors, (271), 0 states have call successors, (0), 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 15:10:06,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:10:06,714 INFO L225 Difference]: With dead ends: 90437 [2024-11-13 15:10:06,714 INFO L226 Difference]: Without dead ends: 73240 [2024-11-13 15:10:06,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3975 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=2034, Invalid=11076, Unknown=0, NotChecked=0, Total=13110 [2024-11-13 15:10:06,737 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 1503 mSDsluCounter, 1684 mSDsCounter, 0 mSdLazyCounter, 2421 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 2444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:10:06,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 1810 Invalid, 2444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2421 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 15:10:06,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73240 states. [2024-11-13 15:10:07,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73240 to 38866. [2024-11-13 15:10:07,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38866 states, 38865 states have (on average 1.2750546764441013) internal successors, (49555), 38865 states have internal predecessors, (49555), 0 states have call successors, (0), 0 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 15:10:07,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38866 states to 38866 states and 49555 transitions. [2024-11-13 15:10:07,497 INFO L78 Accepts]: Start accepts. Automaton has 38866 states and 49555 transitions. Word has length 100 [2024-11-13 15:10:07,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:10:07,497 INFO L471 AbstractCegarLoop]: Abstraction has 38866 states and 49555 transitions. [2024-11-13 15:10:07,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.291666666666666) internal successors, (271), 24 states have internal predecessors, (271), 0 states have call successors, (0), 0 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 15:10:07,498 INFO L276 IsEmpty]: Start isEmpty. Operand 38866 states and 49555 transitions. [2024-11-13 15:10:07,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 15:10:07,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:10:07,503 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:10:07,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 15:10:07,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:10:07,704 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:10:07,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:10:07,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1968061963, now seen corresponding path program 1 times [2024-11-13 15:10:07,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:10:07,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428171243] [2024-11-13 15:10:07,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:07,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:10:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:08,652 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:08,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:10:08,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428171243] [2024-11-13 15:10:08,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428171243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:10:08,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268452954] [2024-11-13 15:10:08,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:10:08,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:10:08,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:10:08,655 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:10:08,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:10:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:10:08,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 15:10:08,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:10:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:10,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:10:13,368 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:10:13,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268452954] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:10:13,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:10:13,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17, 17] total 45 [2024-11-13 15:10:13,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582635511] [2024-11-13 15:10:13,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:10:13,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-13 15:10:13,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:10:13,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-13 15:10:13,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1846, Unknown=0, NotChecked=0, Total=1980 [2024-11-13 15:10:13,371 INFO L87 Difference]: Start difference. First operand 38866 states and 49555 transitions. Second operand has 45 states, 45 states have (on average 6.2444444444444445) internal successors, (281), 45 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 15:12:01,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:01,337 INFO L93 Difference]: Finished difference Result 273933 states and 345867 transitions. [2024-11-13 15:12:01,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 646 states. [2024-11-13 15:12:01,339 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 6.2444444444444445) internal successors, (281), 45 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) Word has length 101 [2024-11-13 15:12:01,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:02,133 INFO L225 Difference]: With dead ends: 273933 [2024-11-13 15:12:02,138 INFO L226 Difference]: Without dead ends: 244268 [2024-11-13 15:12:02,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 687 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221094 ImplicationChecksByTransitivity, 99.1s TimeCoverageRelationStatistics Valid=39814, Invalid=434218, Unknown=0, NotChecked=0, Total=474032 [2024-11-13 15:12:02,349 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 14877 mSDsluCounter, 6072 mSDsCounter, 0 mSdLazyCounter, 9106 mSolverCounterSat, 558 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14877 SdHoareTripleChecker+Valid, 6329 SdHoareTripleChecker+Invalid, 9664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 558 IncrementalHoareTripleChecker+Valid, 9106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:02,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14877 Valid, 6329 Invalid, 9664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [558 Valid, 9106 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2024-11-13 15:12:02,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244268 states. [2024-11-13 15:12:07,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244268 to 152244. [2024-11-13 15:12:07,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152244 states, 152243 states have (on average 1.2723277917539724) internal successors, (193703), 152243 states have internal predecessors, (193703), 0 states have call successors, (0), 0 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 15:12:08,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152244 states to 152244 states and 193703 transitions. [2024-11-13 15:12:08,436 INFO L78 Accepts]: Start accepts. Automaton has 152244 states and 193703 transitions. Word has length 101 [2024-11-13 15:12:08,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:08,437 INFO L471 AbstractCegarLoop]: Abstraction has 152244 states and 193703 transitions. [2024-11-13 15:12:08,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 6.2444444444444445) internal successors, (281), 45 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 15:12:08,439 INFO L276 IsEmpty]: Start isEmpty. Operand 152244 states and 193703 transitions. [2024-11-13 15:12:08,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 15:12:08,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:08,459 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:12:08,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 15:12:08,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:08,662 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:12:08,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:08,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1858682910, now seen corresponding path program 1 times [2024-11-13 15:12:08,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:08,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932126235] [2024-11-13 15:12:08,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:08,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 15:12:09,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:09,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932126235] [2024-11-13 15:12:09,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932126235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:09,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:12:09,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:12:09,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015947265] [2024-11-13 15:12:09,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:09,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:12:09,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:09,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:12:09,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:12:09,247 INFO L87 Difference]: Start difference. First operand 152244 states and 193703 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 15:12:10,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:10,194 INFO L93 Difference]: Finished difference Result 256376 states and 325726 transitions. [2024-11-13 15:12:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:12:10,195 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 102 [2024-11-13 15:12:10,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:10,396 INFO L225 Difference]: With dead ends: 256376 [2024-11-13 15:12:10,396 INFO L226 Difference]: Without dead ends: 104255 [2024-11-13 15:12:10,488 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 15:12:10,490 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 82 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:10,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 118 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:11,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104255 states. [2024-11-13 15:12:13,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104255 to 104255. [2024-11-13 15:12:13,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104255 states, 104254 states have (on average 1.2429642987319431) internal successors, (129584), 104254 states have internal predecessors, (129584), 0 states have call successors, (0), 0 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 15:12:14,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104255 states to 104255 states and 129584 transitions. [2024-11-13 15:12:14,126 INFO L78 Accepts]: Start accepts. Automaton has 104255 states and 129584 transitions. Word has length 102 [2024-11-13 15:12:14,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:14,128 INFO L471 AbstractCegarLoop]: Abstraction has 104255 states and 129584 transitions. [2024-11-13 15:12:14,132 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 15:12:14,132 INFO L276 IsEmpty]: Start isEmpty. Operand 104255 states and 129584 transitions. [2024-11-13 15:12:14,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 15:12:14,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:14,148 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:12:14,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 15:12:14,151 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:12:14,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:14,158 INFO L85 PathProgramCache]: Analyzing trace with hash 421146005, now seen corresponding path program 1 times [2024-11-13 15:12:14,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:14,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998218760] [2024-11-13 15:12:14,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:14,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 15:12:16,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:16,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998218760] [2024-11-13 15:12:16,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998218760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:16,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:12:16,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-13 15:12:16,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701992017] [2024-11-13 15:12:16,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:16,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 15:12:16,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:16,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 15:12:16,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:12:16,433 INFO L87 Difference]: Start difference. First operand 104255 states and 129584 transitions. Second operand has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 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 15:12:18,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:18,381 INFO L93 Difference]: Finished difference Result 178103 states and 221664 transitions. [2024-11-13 15:12:18,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 15:12:18,382 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 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 102 [2024-11-13 15:12:18,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:18,620 INFO L225 Difference]: With dead ends: 178103 [2024-11-13 15:12:18,620 INFO L226 Difference]: Without dead ends: 133149 [2024-11-13 15:12:18,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=185, Invalid=685, Unknown=0, NotChecked=0, Total=870 [2024-11-13 15:12:18,681 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 851 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:18,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 1565 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:12:18,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133149 states. [2024-11-13 15:12:20,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133149 to 92624. [2024-11-13 15:12:20,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92624 states, 92623 states have (on average 1.2450255336147609) internal successors, (115318), 92623 states have internal predecessors, (115318), 0 states have call successors, (0), 0 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 15:12:21,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92624 states to 92624 states and 115318 transitions. [2024-11-13 15:12:21,359 INFO L78 Accepts]: Start accepts. Automaton has 92624 states and 115318 transitions. Word has length 102 [2024-11-13 15:12:21,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:21,359 INFO L471 AbstractCegarLoop]: Abstraction has 92624 states and 115318 transitions. [2024-11-13 15:12:21,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 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 15:12:21,359 INFO L276 IsEmpty]: Start isEmpty. Operand 92624 states and 115318 transitions. [2024-11-13 15:12:21,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 15:12:21,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:21,364 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:12:21,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 15:12:21,365 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:12:21,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:21,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1207646048, now seen corresponding path program 1 times [2024-11-13 15:12:21,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:21,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543365830] [2024-11-13 15:12:21,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:21,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 15:12:21,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:21,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543365830] [2024-11-13 15:12:21,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543365830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:21,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:12:21,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:12:21,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848043864] [2024-11-13 15:12:21,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:21,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:12:21,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:21,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:12:21,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:12:21,473 INFO L87 Difference]: Start difference. First operand 92624 states and 115318 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:12:21,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:21,954 INFO L93 Difference]: Finished difference Result 171588 states and 214349 transitions. [2024-11-13 15:12:21,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:12:21,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-13 15:12:21,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:22,085 INFO L225 Difference]: With dead ends: 171588 [2024-11-13 15:12:22,085 INFO L226 Difference]: Without dead ends: 79080 [2024-11-13 15:12:22,136 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 15:12:22,137 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 82 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:22,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 132 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:12:22,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79080 states. [2024-11-13 15:12:23,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79080 to 79080. [2024-11-13 15:12:23,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79080 states, 79079 states have (on average 1.2313888643002566) internal successors, (97377), 79079 states have internal predecessors, (97377), 0 states have call successors, (0), 0 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 15:12:23,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79080 states to 79080 states and 97377 transitions. [2024-11-13 15:12:23,762 INFO L78 Accepts]: Start accepts. Automaton has 79080 states and 97377 transitions. Word has length 102 [2024-11-13 15:12:23,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:23,762 INFO L471 AbstractCegarLoop]: Abstraction has 79080 states and 97377 transitions. [2024-11-13 15:12:23,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:12:23,763 INFO L276 IsEmpty]: Start isEmpty. Operand 79080 states and 97377 transitions. [2024-11-13 15:12:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 15:12:23,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:23,766 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:12:23,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 15:12:23,767 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:12:23,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:23,767 INFO L85 PathProgramCache]: Analyzing trace with hash 628489119, now seen corresponding path program 1 times [2024-11-13 15:12:23,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:23,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280812744] [2024-11-13 15:12:23,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:23,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:24,142 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 15:12:24,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:24,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280812744] [2024-11-13 15:12:24,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280812744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:12:24,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:12:24,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:12:24,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880061440] [2024-11-13 15:12:24,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:12:24,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:12:24,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:24,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:12:24,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:12:24,148 INFO L87 Difference]: Start difference. First operand 79080 states and 97377 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:12:25,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:25,154 INFO L93 Difference]: Finished difference Result 116060 states and 143182 transitions. [2024-11-13 15:12:25,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:12:25,155 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-13 15:12:25,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:25,281 INFO L225 Difference]: With dead ends: 116060 [2024-11-13 15:12:25,281 INFO L226 Difference]: Without dead ends: 79082 [2024-11-13 15:12:25,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:12:25,321 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 360 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:25,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 496 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:12:25,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79082 states. [2024-11-13 15:12:26,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79082 to 79080. [2024-11-13 15:12:26,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79080 states, 79079 states have (on average 1.231363573135725) internal successors, (97375), 79079 states have internal predecessors, (97375), 0 states have call successors, (0), 0 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 15:12:26,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79080 states to 79080 states and 97375 transitions. [2024-11-13 15:12:26,929 INFO L78 Accepts]: Start accepts. Automaton has 79080 states and 97375 transitions. Word has length 102 [2024-11-13 15:12:26,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:26,929 INFO L471 AbstractCegarLoop]: Abstraction has 79080 states and 97375 transitions. [2024-11-13 15:12:26,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:12:26,930 INFO L276 IsEmpty]: Start isEmpty. Operand 79080 states and 97375 transitions. [2024-11-13 15:12:26,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 15:12:26,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:26,934 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:12:26,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 15:12:26,935 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:12:26,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:26,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1853943335, now seen corresponding path program 1 times [2024-11-13 15:12:26,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:26,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648244857] [2024-11-13 15:12:26,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:26,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:28,328 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:12:28,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:28,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648244857] [2024-11-13 15:12:28,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648244857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:28,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470703874] [2024-11-13 15:12:28,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:28,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:28,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:28,331 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:28,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:12:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:28,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 15:12:28,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:31,396 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:12:31,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:12:35,435 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:12:35,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470703874] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:12:35,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:12:35,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15, 16] total 46 [2024-11-13 15:12:35,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142358723] [2024-11-13 15:12:35,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:12:35,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-13 15:12:35,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:35,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-13 15:12:35,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1939, Unknown=0, NotChecked=0, Total=2070 [2024-11-13 15:12:35,437 INFO L87 Difference]: Start difference. First operand 79080 states and 97375 transitions. Second operand has 46 states, 46 states have (on average 6.195652173913044) internal successors, (285), 46 states have internal predecessors, (285), 0 states have call successors, (0), 0 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 15:12:44,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:12:44,026 INFO L93 Difference]: Finished difference Result 179662 states and 221837 transitions. [2024-11-13 15:12:44,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-13 15:12:44,026 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 6.195652173913044) internal successors, (285), 46 states have internal predecessors, (285), 0 states have call successors, (0), 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 15:12:44,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:12:44,216 INFO L225 Difference]: With dead ends: 179662 [2024-11-13 15:12:44,217 INFO L226 Difference]: Without dead ends: 135191 [2024-11-13 15:12:44,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1738 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=1128, Invalid=8972, Unknown=0, NotChecked=0, Total=10100 [2024-11-13 15:12:44,267 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 1674 mSDsluCounter, 6614 mSDsCounter, 0 mSdLazyCounter, 4042 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1674 SdHoareTripleChecker+Valid, 6879 SdHoareTripleChecker+Invalid, 4060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 4042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:12:44,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1674 Valid, 6879 Invalid, 4060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 4042 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-13 15:12:44,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135191 states. [2024-11-13 15:12:45,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135191 to 100588. [2024-11-13 15:12:45,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100588 states, 100587 states have (on average 1.2328332687126566) internal successors, (124007), 100587 states have internal predecessors, (124007), 0 states have call successors, (0), 0 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 15:12:46,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100588 states to 100588 states and 124007 transitions. [2024-11-13 15:12:46,073 INFO L78 Accepts]: Start accepts. Automaton has 100588 states and 124007 transitions. Word has length 103 [2024-11-13 15:12:46,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:12:46,074 INFO L471 AbstractCegarLoop]: Abstraction has 100588 states and 124007 transitions. [2024-11-13 15:12:46,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.195652173913044) internal successors, (285), 46 states have internal predecessors, (285), 0 states have call successors, (0), 0 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 15:12:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 100588 states and 124007 transitions. [2024-11-13 15:12:46,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 15:12:46,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:46,078 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:12:46,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 15:12:46,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:46,283 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:12:46,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:46,284 INFO L85 PathProgramCache]: Analyzing trace with hash 669636933, now seen corresponding path program 1 times [2024-11-13 15:12:46,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:46,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376332677] [2024-11-13 15:12:46,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:46,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:47,356 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:12:47,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:12:47,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376332677] [2024-11-13 15:12:47,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376332677] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:12:47,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988878680] [2024-11-13 15:12:47,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:47,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:12:47,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:47,360 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:12:47,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 15:12:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:12:47,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 15:12:47,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:12:51,473 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:12:51,473 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:12:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:12:55,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988878680] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:12:55,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:12:55,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 23, 20] total 55 [2024-11-13 15:12:55,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881060798] [2024-11-13 15:12:55,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:12:55,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-13 15:12:55,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:12:55,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-13 15:12:55,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=2725, Unknown=0, NotChecked=0, Total=2970 [2024-11-13 15:12:55,522 INFO L87 Difference]: Start difference. First operand 100588 states and 124007 transitions. Second operand has 55 states, 55 states have (on average 5.0) internal successors, (275), 55 states have internal predecessors, (275), 0 states have call successors, (0), 0 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 15:13:15,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:13:15,561 INFO L93 Difference]: Finished difference Result 176553 states and 217185 transitions. [2024-11-13 15:13:15,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-11-13 15:13:15,561 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 5.0) internal successors, (275), 55 states have internal predecessors, (275), 0 states have call successors, (0), 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 15:13:15,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:13:15,771 INFO L225 Difference]: With dead ends: 176553 [2024-11-13 15:13:15,771 INFO L226 Difference]: Without dead ends: 140135 [2024-11-13 15:13:15,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10972 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=3987, Invalid=32685, Unknown=0, NotChecked=0, Total=36672 [2024-11-13 15:13:15,824 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 3205 mSDsluCounter, 9738 mSDsCounter, 0 mSdLazyCounter, 5628 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3205 SdHoareTripleChecker+Valid, 10073 SdHoareTripleChecker+Invalid, 5671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 5628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:13:15,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3205 Valid, 10073 Invalid, 5671 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [43 Valid, 5628 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-13 15:13:15,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140135 states. [2024-11-13 15:13:17,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140135 to 112510. [2024-11-13 15:13:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112510 states, 112509 states have (on average 1.23319912184803) internal successors, (138746), 112509 states have internal predecessors, (138746), 0 states have call successors, (0), 0 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 15:13:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112510 states to 112510 states and 138746 transitions. [2024-11-13 15:13:17,783 INFO L78 Accepts]: Start accepts. Automaton has 112510 states and 138746 transitions. Word has length 103 [2024-11-13 15:13:17,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:13:17,783 INFO L471 AbstractCegarLoop]: Abstraction has 112510 states and 138746 transitions. [2024-11-13 15:13:17,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 5.0) internal successors, (275), 55 states have internal predecessors, (275), 0 states have call successors, (0), 0 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 15:13:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 112510 states and 138746 transitions. [2024-11-13 15:13:17,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 15:13:17,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:13:17,786 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:13:17,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 15:13:17,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-13 15:13:17,987 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:13:17,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:13:17,987 INFO L85 PathProgramCache]: Analyzing trace with hash 592694812, now seen corresponding path program 1 times [2024-11-13 15:13:17,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:13:17,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665919984] [2024-11-13 15:13:17,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:13:17,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:13:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:13:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:13:19,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:13:19,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665919984] [2024-11-13 15:13:19,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665919984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:13:19,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66270535] [2024-11-13 15:13:19,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:13:19,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:13:19,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:13:19,532 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:13:19,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:13:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:13:19,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 15:13:19,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:13:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 15:13:20,112 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:13:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 15:13:20,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66270535] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:13:20,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:13:20,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 7, 5] total 30 [2024-11-13 15:13:20,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910546635] [2024-11-13 15:13:20,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:13:20,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-13 15:13:20,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:13:20,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-13 15:13:20,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2024-11-13 15:13:20,435 INFO L87 Difference]: Start difference. First operand 112510 states and 138746 transitions. Second operand has 30 states, 30 states have (on average 9.766666666666667) internal successors, (293), 30 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:13:33,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:13:33,696 INFO L93 Difference]: Finished difference Result 264346 states and 324257 transitions. [2024-11-13 15:13:33,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-11-13 15:13:33,698 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 9.766666666666667) internal successors, (293), 30 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-11-13 15:13:33,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:13:34,241 INFO L225 Difference]: With dead ends: 264346 [2024-11-13 15:13:34,241 INFO L226 Difference]: Without dead ends: 152026 [2024-11-13 15:13:34,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5683 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=2181, Invalid=15375, Unknown=0, NotChecked=0, Total=17556 [2024-11-13 15:13:34,288 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 2150 mSDsluCounter, 2327 mSDsCounter, 0 mSdLazyCounter, 3940 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2150 SdHoareTripleChecker+Valid, 2479 SdHoareTripleChecker+Invalid, 4042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 3940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:13:34,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2150 Valid, 2479 Invalid, 4042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 3940 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-13 15:13:34,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152026 states. [2024-11-13 15:13:35,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152026 to 121245. [2024-11-13 15:13:35,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121245 states, 121244 states have (on average 1.2319454983339382) internal successors, (149366), 121244 states have internal predecessors, (149366), 0 states have call successors, (0), 0 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 15:13:35,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121245 states to 121245 states and 149366 transitions. [2024-11-13 15:13:35,988 INFO L78 Accepts]: Start accepts. Automaton has 121245 states and 149366 transitions. Word has length 103 [2024-11-13 15:13:35,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:13:35,989 INFO L471 AbstractCegarLoop]: Abstraction has 121245 states and 149366 transitions. [2024-11-13 15:13:35,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.766666666666667) internal successors, (293), 30 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:13:35,989 INFO L276 IsEmpty]: Start isEmpty. Operand 121245 states and 149366 transitions. [2024-11-13 15:13:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 15:13:35,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:13:35,991 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 15:13:36,377 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forcibly destroying the process [2024-11-13 15:13:36,378 WARN L724 oredProcess$PipePump]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] The stream was forcibly closed: stdIn [2024-11-13 15:13:36,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 15:13:36,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-13 15:13:36,381 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:13:36,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:13:36,383 INFO L85 PathProgramCache]: Analyzing trace with hash 524701795, now seen corresponding path program 1 times [2024-11-13 15:13:36,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:13:36,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836365655] [2024-11-13 15:13:36,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:13:36,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:13:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:13:36,978 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:13:36,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:13:36,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836365655] [2024-11-13 15:13:36,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836365655] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:13:36,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730592181] [2024-11-13 15:13:36,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:13:36,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:13:36,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:13:36,981 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:13:36,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 15:13:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:13:37,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 15:13:37,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:13:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:13:38,647 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:13:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:13:40,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730592181] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:13:40,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:13:40,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 15] total 41 [2024-11-13 15:13:40,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957778314] [2024-11-13 15:13:40,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:13:40,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-13 15:13:40,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:13:40,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-13 15:13:40,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=1496, Unknown=0, NotChecked=0, Total=1722 [2024-11-13 15:13:40,293 INFO L87 Difference]: Start difference. First operand 121245 states and 149366 transitions. Second operand has 42 states, 42 states have (on average 6.738095238095238) internal successors, (283), 41 states have internal predecessors, (283), 0 states have call successors, (0), 0 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 15:13:43,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:13:43,960 INFO L93 Difference]: Finished difference Result 260703 states and 321605 transitions. [2024-11-13 15:13:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-13 15:13:43,961 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 6.738095238095238) internal successors, (283), 41 states have internal predecessors, (283), 0 states have call successors, (0), 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 15:13:43,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:13:44,157 INFO L225 Difference]: With dead ends: 260703 [2024-11-13 15:13:44,158 INFO L226 Difference]: Without dead ends: 179976 [2024-11-13 15:13:44,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=948, Invalid=4164, Unknown=0, NotChecked=0, Total=5112 [2024-11-13 15:13:44,208 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 2784 mSDsluCounter, 2164 mSDsCounter, 0 mSdLazyCounter, 2100 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2784 SdHoareTripleChecker+Valid, 2306 SdHoareTripleChecker+Invalid, 2176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:13:44,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2784 Valid, 2306 Invalid, 2176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2100 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 15:13:44,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179976 states. [2024-11-13 15:13:46,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179976 to 122772. [2024-11-13 15:13:46,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122772 states, 122771 states have (on average 1.2291909327121227) internal successors, (150909), 122771 states have internal predecessors, (150909), 0 states have call successors, (0), 0 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 15:13:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122772 states to 122772 states and 150909 transitions. [2024-11-13 15:13:46,318 INFO L78 Accepts]: Start accepts. Automaton has 122772 states and 150909 transitions. Word has length 103 [2024-11-13 15:13:46,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:13:46,319 INFO L471 AbstractCegarLoop]: Abstraction has 122772 states and 150909 transitions. [2024-11-13 15:13:46,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.738095238095238) internal successors, (283), 41 states have internal predecessors, (283), 0 states have call successors, (0), 0 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 15:13:46,319 INFO L276 IsEmpty]: Start isEmpty. Operand 122772 states and 150909 transitions. [2024-11-13 15:13:46,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 15:13:46,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:13:46,322 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:13:46,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 15:13:46,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-13 15:13:46,523 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:13:46,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:13:46,525 INFO L85 PathProgramCache]: Analyzing trace with hash 29897328, now seen corresponding path program 1 times [2024-11-13 15:13:46,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:13:46,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611629053] [2024-11-13 15:13:46,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:13:46,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:13:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:13:47,644 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:13:47,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:13:47,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611629053] [2024-11-13 15:13:47,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611629053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:13:47,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319626344] [2024-11-13 15:13:47,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:13:47,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:13:47,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:13:47,650 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:13:47,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 15:13:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:13:47,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 15:13:47,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:13:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:13:50,669 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:13:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:13:52,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319626344] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:13:52,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:13:52,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 16] total 46 [2024-11-13 15:13:52,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427625892] [2024-11-13 15:13:52,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:13:52,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-13 15:13:52,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:13:52,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-13 15:13:52,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=1843, Unknown=0, NotChecked=0, Total=2070 [2024-11-13 15:13:52,937 INFO L87 Difference]: Start difference. First operand 122772 states and 150909 transitions. Second operand has 46 states, 46 states have (on average 5.434782608695652) internal successors, (250), 46 states have internal predecessors, (250), 0 states have call successors, (0), 0 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 15:13:57,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:13:57,216 INFO L93 Difference]: Finished difference Result 163630 states and 201520 transitions. [2024-11-13 15:13:57,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 15:13:57,216 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 5.434782608695652) internal successors, (250), 46 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-11-13 15:13:57,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:13:57,381 INFO L225 Difference]: With dead ends: 163630 [2024-11-13 15:13:57,382 INFO L226 Difference]: Without dead ends: 146258 [2024-11-13 15:13:57,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 179 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1142 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=724, Invalid=4106, Unknown=0, NotChecked=0, Total=4830 [2024-11-13 15:13:57,420 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1785 mSDsluCounter, 3777 mSDsCounter, 0 mSdLazyCounter, 2357 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1785 SdHoareTripleChecker+Valid, 3975 SdHoareTripleChecker+Invalid, 2383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:13:57,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1785 Valid, 3975 Invalid, 2383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2357 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 15:13:57,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146258 states. [2024-11-13 15:13:58,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146258 to 122740. [2024-11-13 15:13:58,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122740 states, 122739 states have (on average 1.2292018021981603) internal successors, (150871), 122739 states have internal predecessors, (150871), 0 states have call successors, (0), 0 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 15:13:59,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122740 states to 122740 states and 150871 transitions. [2024-11-13 15:13:59,148 INFO L78 Accepts]: Start accepts. Automaton has 122740 states and 150871 transitions. Word has length 104 [2024-11-13 15:13:59,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:13:59,148 INFO L471 AbstractCegarLoop]: Abstraction has 122740 states and 150871 transitions. [2024-11-13 15:13:59,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 5.434782608695652) internal successors, (250), 46 states have internal predecessors, (250), 0 states have call successors, (0), 0 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 15:13:59,148 INFO L276 IsEmpty]: Start isEmpty. Operand 122740 states and 150871 transitions. [2024-11-13 15:13:59,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 15:13:59,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:13:59,152 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:13:59,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 15:13:59,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:13:59,352 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-13 15:13:59,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:13:59,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1591166216, now seen corresponding path program 1 times [2024-11-13 15:13:59,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:13:59,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625837115] [2024-11-13 15:13:59,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:13:59,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:13:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:00,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:14:00,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625837115] [2024-11-13 15:14:00,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625837115] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:14:00,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13350292] [2024-11-13 15:14:00,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:14:00,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:14:00,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:14:00,755 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:14:00,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f19f223-df34-4bcc-83ef-7e5a201a45f4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 15:14:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:14:00,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 15:14:00,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:14:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:03,372 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:14:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:14:08,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13350292] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:14:08,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:14:08,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 24, 23] total 63 [2024-11-13 15:14:08,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315423728] [2024-11-13 15:14:08,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:14:08,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-13 15:14:08,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:14:08,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-13 15:14:08,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=3597, Unknown=0, NotChecked=0, Total=3906 [2024-11-13 15:14:08,507 INFO L87 Difference]: Start difference. First operand 122740 states and 150871 transitions. Second operand has 63 states, 63 states have (on average 4.317460317460317) internal successors, (272), 63 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)